onkyo tx-nr906 service manual

64
BLOCK DIAGRAMS-1 AUDIO SECTION TX-NR906/NA906 A 1 2 3 4 5 B C D SPDIF RX0 RX5 MCH SR RX6 RX7 DAC_FL DAC_SL DAC_SR DAC_SBR DAC_SBL V_OUT_L V_OUT_R DAC_FR DAC FL MIX L MIX R DAC FR DAC_CT DAC_SW MCH C DAC C MCH SW DAC SW MCH SL MAIN L MAIN R DAC SL DAC CT2 DAC SW2 MCH_SBR MCH_SBL MCH_SR MCH_SL MCH_SW MCH_CT VCR/DVR OUT TAPE OUT TAPE VCR/DVR IN CBL/SAT GAME/TV DVD OUT MAIN,SUB IN 1-4 ch3 ch4 ch14 OPTICAL IN 1 DIGITAL IN (FRONT) COAX IN 2 COAX IN 1 HDMI HDMI I/F NET BOARD NALAN-9121 SD-20 to 27 HDMI BOARD NAHDM-9114 SD-15 to 19 FLASH MEMORY SD RAM I2S DSD I2S I2S DSD PHONO OPTICAL IN 2 CD DC,DD Type Only TUNER UNIT HD RADIO: DC,DD Type only AM LOOP ANTENNA FM ANTENNA ADC -6dB -6dB Q3041 CS42516 MAIN B ZONE2 ZONE3 R L Q4305 NJU7313A (DVD audio,etc) 0dB Video REC 0dB -6dB -6dB VIDEO IN AUX 2 AUX 1 Q4029 TC94A46CFG Analog Switch Array Analo Analog Switch An ch13 ch12 ch11 ch10 ch9 ch8 ch2 RIAA XM Sirrus MAIN A DIR NJU7313A ch7 ch6 ch5 Q4 NJU NJU7312A SETUP MIC 3 2 1 OPTICAL OUT COAX IN 3 MULTI CHANNEL INPUT FL FR C SW SL SR SBL SBR L R L R L R L R L R L R L R L R L R L R L R DSP BLOCK SD-10, 11 I2S/DSD MULTIPLEXER TC74VHC157FT Q3001 TC74VHC157FT <Note> Refer to SCHEMATIC DIAGRAM-9 and -29 (SD-9 and SD-29) for digital audio signal flow wave forms. 2nd DSP Q3501 TMS320D788E001BRFP266 (SD-11) 1st DSP Q3401 TMS320D790E001BZDH275 (SD-10) 3rd DSP Q3601 TMS320D707E001BRFP250 (SD-11)

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Page 1: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

BLOCK DIAGRAMS-1AUDIO SECTION

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

SPDIF

RX0

RX5

MCH SR

RX6RX7

DA

C_F

L

DA

C_S

LD

AC

_SR

DA

C_S

BR

DA

C_S

BL

V_O

UT

_LV

_OU

T_R

DA

C_F

R

DAC FLMIX L

MIX RDAC FR

DA

C_C

TD

AC

_SW

MCH CDAC C

MCH SWDAC SW

MCH SL

MAIN L

MAIN R

DAC SL

DA

C C

T2

DA

C S

W2

MC

H_S

BR

MC

H_S

BL

MC

H_S

RM

CH

_SL

MC

H_S

WM

CH

_CT

CENTER

SURR LEFT

SURR RIGHT

ZONE2 RIGHTVCR/DVR OUT

TAPE OUT

SURR BACK

FRONT RIGHT

FRONT LEFT

- F

RO

NT

RIG

HT

(BT

L)

+

- F

RO

NT

LE

FT

(BT

L)

+

TAPE

VCR/DVR IN

CBL/SAT

GAME/TV

DVD

OUTMAIN,SUB

IN 1-4

ch3

ch4

ch14

SURR BACKor Bi-AMP LEFT

or Bi-AMP RIGHT

RS-232TRANCEIVERRS-232

Q3031 ICL3221E

RIRI

Q7001M3087BFKBGP

MAIN MICROPROCESSOR

INTERFACE

IR OUT

IRIR IN

NAVD-9052 SD-6

NADG-9074 SD-9

12V TRIGGEROUT ZONE 2

12V TRIGGERCONTROL

OPTICAL IN 1

DIGITAL IN(FRONT)

COAX IN 2

COAX IN 1

HDMI

REMOTESENSOR

SPEAKER TERMINALS

7 CHPOWER

AMPLIFIERS

C SB

L

HDMII/F

NET BOARDNALAN-9121SD-20 to 27HDMI BOARD

NAHDM-9114SD-15 to 19

FLASH MEMORY

SD RAM

I2S

DSD

FL FR SL

SR

+20dB

SW

2

I2S

I2S

DSD

PHONO

OPTICAL IN 2

+29dB

+29dB

+29dB

+29dB

+29dB

+29dB

+29dB

ZONE2 LEFT

SB

R

LFRONT

SURR

SURRBACK

R

SUBWOOFER

CENTER

L

R

L

R

PRE OUT

CD

DC,DD Type Only

TUNER UNIT

HD RADIO:DC,DD Type only

AM LOOPANTENNA

FMANTENNA

SW

R

L

R

L

ZONE2 PREOUT/LINEOUTTONE

Q4204 R2S15211FPAudio Selector, Volume, Tone

0dB FIX

ZONE3 PREOUT/LINEOUT

ADC

-6dB

-6dB

Q3041CS42516

MAIN B

ZONE2

ZONE3

C2

RL

FL

FR

C

SW

SL

SR

SBL

SBR

Q43

05N

JU73

13A

HEADPHONES

(DVD audio,etc)

Q4306NJU7311A

0dB

Video REC

0dB

-6dB

-6dB

Q4405CS3318

VIDEO INAUX 2

AUX 1

Q4029TC94A46CFG

Analog Switch Array

Analog Switch

Analog Switch

Analog Switch

Volume

ch13

ch12

ch11

ch10

ch9

ch8

ch2

RIAA

XMSirrus

MAIN A

DIR

TONE0dB FIX

NJU7313A

ch7

ch6

ch5

Q4304NJU7312A

NJU7312A

0dB FIX

0dB FIX

123

SETUP MIC

321

OPTICAL OUT

COAX IN 3

MU

LTI C

HA

NN

EL

INP

UT

FL

FR

C

SW

SL

SR

SBL

SBR

LR

L

R

L

R

L

R

L

R

L

R

L

R

L

R

L

R

L

R

L

R

PCM1796DAC

PCM1796DAC

Q3701 Q3721 Q3741 Q3761 Q3781PCM1796

DACPCM1796

DACPCM1796

DAC

TC74VHC157FT MULTIPLEXER. . . .

DSP BLOCKSD-10, 11

I2S/DSD

MULTIPLEXERTC74VHC157FT

Q3001TC74VHC157FT

<Note>Refer to SCHEMATIC DIAGRAM-9 and -29 (SD-9 and SD-29)for digital audio signal flow wave forms.

+6d

B

VLS

C

+6d

B

VLS

C

+6d

B

VLS

C

+6d

B

VLS

C

+6d

B

VLS

C

+6d

B

VLS

C

+6d

B

VLS

C

+6d

B

VLS

C

+6d

B

VLS

C

+6d

B

VLS

C

2nd DSP Q3501 TMS320D788E001BRFP266(SD-11)

1st DSP Q3401 TMS320D790E001BZDH275(SD-10)

3rd DSP Q3601 TMS320D707E001BRFP250(SD-11)

Page 2: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

BLOCK DIAGRAMS-1AUDIO SECTION

A

1

2

3

4

5

B C D E F G H

SPDIF

RX0

RX5

MCH SR

RX6RX7

DA

C_F

L

DA

C_S

LD

AC

_SR

DA

C_S

BR

DA

C_S

BL

V_O

UT

_LV

_OU

T_R

DA

C_F

R

DAC FLMIX L

MIX RDAC FR

DA

C_C

TD

AC

_SW

MCH CDAC C

MCH SWDAC SW

MCH SL

MAIN L

MAIN R

DAC SL

DA

C C

T2

DA

C S

W2

MC

H_S

BR

MC

H_S

BL

MC

H_S

RM

CH

_SL

MC

H_S

WM

CH

_CT

CENTER

SURR LEFT

SURR RIGHT

ZONE2 RIGHTVCR/DVR OUT

TAPE OUT

SURR BACK

FRONT RIGHT

FRONT LEFT

- F

RO

NT

RIG

HT

(BT

L)

+

- F

RO

NT

LE

FT

(BT

L)

+

TAPE

VCR/DVR IN

CBL/SAT

GAME/TV

DVD

OUTMAIN,SUB

IN 1-4

ch3

ch4

ch14

SURR BACKor Bi-AMP LEFT

or Bi-AMP RIGHT

RS-232TRANCEIVERRS-232

Q3031 ICL3221E

RIRI

Q7001M3087BFKBGP

MAIN MICROPROCESSOR

INTERFACE

IR OUT

IRIR IN

NAVD-9052 SD-6

NADG-9074 SD-9

12V TRIGGEROUT ZONE 2

12V TRIGGERCONTROL

OPTICAL IN 1

DIGITAL IN(FRONT)

COAX IN 2

COAX IN 1

HDMI

REMOTESENSOR

SPEAKER TERMINALS

7 CHPOWER

AMPLIFIERS

C SB

L

HDMII/F

NET BOARDNALAN-9121SD-20 to 27HDMI BOARD

NAHDM-9114SD-15 to 19

FLASH MEMORY

SD RAM

I2S

DSD

FL FR SL

SR

+20dB

SW

2

I2S

I2S

DSD

PHONO

OPTICAL IN 2

+29dB

+29dB

+29dB

+29dB

+29dB

+29dB

+29dB

ZONE2 LEFT

SB

R

LFRONT

SURR

SURRBACK

R

SUBWOOFER

CENTER

L

R

L

R

PRE OUT

CD

DC,DD Type Only

TUNER UNIT

HD RADIO:DC,DD Type only

AM LOOPANTENNA

FMANTENNA

SW

R

L

R

L

ZONE2 PREOUT/LINEOUTTONE

Q4204 R2S15211FPAudio Selector, Volume, Tone

0dB FIX

ZONE3 PREOUT/LINEOUT

ADC

-6dB

-6dB

Q3041CS42516

MAIN B

ZONE2

ZONE3

C2

RL

FL

FR

C

SW

SL

SR

SBL

SBR

Q43

05N

JU73

13A

HEADPHONES

(DVD audio,etc)

Q4306NJU7311A

0dB

Video REC

0dB

-6dB

-6dB

Q4405CS3318

VIDEO INAUX 2

AUX 1

Q4029TC94A46CFG

Analog Switch Array

Analog Switch

Analog Switch

Analog Switch

Volume

ch13

ch12

ch11

ch10

ch9

ch8

ch2

RIAA

XMSirrus

MAIN A

DIR

TONE0dB FIX

NJU7313A

ch7

ch6

ch5

Q4304NJU7312A

NJU7312A

0dB FIX

0dB FIX

123

SETUP MIC

321

OPTICAL OUT

COAX IN 3

MU

LTI C

HA

NN

EL

INP

UT

FL

FR

C

SW

SL

SR

SBL

SBR

LR

L

R

L

R

L

R

L

R

L

R

L

R

L

R

L

R

L

R

L

R

PCM1796DAC

PCM1796DAC

Q3701 Q3721 Q3741 Q3761 Q3781PCM1796

DACPCM1796

DACPCM1796

DAC

TC74VHC157FT MULTIPLEXER

. . . .

DSP BLOCKSD-10, 11

I2S/DSD

MULTIPLEXERTC74VHC157FT

Q3001TC74VHC157FT

<Note>Refer to SCHEMATIC DIAGRAM-9 and -29 (SD-9 and SD-29)for digital audio signal flow wave forms.

+6d

B

VLS

C

+6d

B

VLS

C

+6d

B

VLS

C

+6d

B

VLS

C

+6d

B

VLS

C

+6d

B

VLS

C

+6d

B

VLS

C

+6d

B

VLS

C

+6d

B

VLS

C

+6d

B

VLS

C

2nd DSP Q3501 TMS320D788E001BRFP266(SD-11)

1st DSP Q3401 TMS320D790E001BZDH275(SD-10)

3rd DSP Q3601 TMS320D707E001BRFP250(SD-11)

Page 3: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

BLOCK DIAGRAMS-2VIDEO SECTION

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

CBL/SAT

VCR/DVR

AUX 1

DVD

GAME/TV

MONITOR OUT

VCR/DVR OUT

MONITOR OUT

VCR/DVR OUT

S VIDEO OUTPUT

ZONE 2 OUT

AUX 2(FRONT)

CBL/SAT

VCR/DVR

AUX 1

DVD

GAME/TV

AUX 2(FRONT)

C

YC

YC

YC

YC

YC

Y

COMPOSITE VIDEO

COMPOSITE VIDEO

CB1

CR1

Y2

CB2

CR2

CR3

Y3

CB3

Y1

IN 1

IN 2

IN 3

Y

CB

CR

COMPONENT VIDEO

C

CB

CR

Y

Y CB

CR

CVBS

Y

C

HDBSC

Y CV

BS

HD

BP

Y

HD

BP

B

HD

BP

B

24MHz MAX

S VIDEO INPUT

COMPOSITE VIDEO

COMPONENT VIDEO

HDMI BOARD(NAHDM-9114, SD-15 to 19)

VIDEO BOARD (NAVD-9052, SD-6)

C Y

C Y

HDBCV12MHz MAX

HDBSY

MONITOR OUT

C-DET

MAIN

MAIN

Z2

Z2

NOTE MMP is short for MAIN MICROPROCESSOR.

S-DET

Z2 S-DET

Q2027NJU7312AM

VC

LV

DAT

AV

ST

B

Analog switch

LPF(12MHz)

LPF(12MHz)

LPF(12MHz)

LPF(6MHz)

Y

CB

CR

MAIN

Z2

Q2201NJW1321

74HC4051Analog Switch

Video Switch

Video Amp

Video Amp

Video Amp

VM

UT

Q2012,Q2013NJM2587

Q2012,Q2013NJM2587

Q2014MM1512Y/C Mix

BPF(140K-6MHz)

LPF(6MHz)

HDAPY

HDAPB

HDAPR

HD

AC

V

HD

AS

C

HD

AS

Y

Q2206NJM2586A 100MHz -3dB

LPF(12MHz)

LPF(12MHz)

LPF(6MHz)

LPF(6MHz)

LPF(12MHz)

BPF(140K-6MHz)

6dB DRV

DRV

MMP

6dB DRV

6dB DRV

6dB DRV

DRV6dB

6dB DRV

.

6dB

.

6dB

.

.

6dB

6dB

6dB

.

.

6dB

6dB

6dB

6dB

6dB DRV

6dB DRV

75

7575

75 75 75

6dB DRV

6dB DRV

6dB DRV

6dB DRV

6dB

MMP

MMP

MMPV

MMP

<Note>Refer to SCHEMATIC DIAGRAM-6, -17 and -29 (SD-6, SD-17 and SD-29)for video and HDMI signal waveforms.

Page 4: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

BLOCK DIAGRAMS-2VIDEO SECTION

A

1

2

3

4

5

B C D E F G H

CBL/SAT

VCR/DVR

AUX 1

DVD

GAME/TV

MONITOR OUT

VCR/DVR OUT

MONITOR OUT

VCR/DVR OUT

S VIDEO OUTPUT

ZONE 2 OUT

AUX 2(FRONT)

CBL/SAT

VCR/DVR

AUX 1

DVD

GAME/TV

AUX 2(FRONT)

C

YC

YC

YC

YC

YC

Y

COMPOSITE VIDEO

COMPOSITE VIDEO

CB1

CR1

Y2

CB2

CR2

CR3

Y3

CB3

Y1

IN 1

IN 2

IN 3

Y

CB

CR

COMPONENT VIDEO

C

CB

CR

Y

Y CB

CR

CVBS

Y

C

HDBSC

Y CV

BS

HD

BP

Y

HD

BP

B

HD

BP

B

24MHz MAX

S VIDEO INPUT

COMPOSITE VIDEO

COMPONENT VIDEO

HDMI BOARD(NAHDM-9114, SD-15 to 19)

VIDEO BOARD (NAVD-9052, SD-6)

C Y

C Y

HDBCV12MHz MAX

HDBSY

MONITOR OUT

C-DET

MAIN

MAIN

Z2

Z2

NOTE MMP is short for MAIN MICROPROCESSOR.

S-DET

Z2 S-DET

Q2027NJU7312AM

VC

LV

DAT

AV

ST

B

Analog switch

LPF(12MHz)

LPF(12MHz)

LPF(12MHz)

LPF(6MHz)

Y

CB

CR

MAIN

Z2

Q2201NJW1321

74HC4051Analog Switch

Video Switch

Video Amp

Video Amp

Video Amp

VM

UT

Q2012,Q2013NJM2587

Q2012,Q2013NJM2587

Q2014MM1512Y/C Mix

BPF(140K-6MHz)

LPF(6MHz)

HDAPY

HDAPB

HDAPR

HD

AC

V

HD

AS

C

HD

AS

Y

Q2206NJM2586A 100MHz -3dB

LPF(12MHz)

LPF(12MHz)

LPF(6MHz)

LPF(6MHz)

LPF(12MHz)

BPF(140K-6MHz)

6dB DRV

DRV

MMP

6dB DRV

6dB DRV

6dB DRV

DRV6dB

6dB DRV

.

6dB

.

6dB

.

.

6dB

6dB

6dB

.

.

6dB

6dB

6dB

6dB

6dB DRV

6dB DRV

75

7575

75 75 75

6dB DRV

6dB DRV

6dB DRV

6dB DRV

6dB

MMP

MMP

MMPV

MMP

<Note>Refer to SCHEMATIC DIAGRAM-6, -17 and -29 (SD-6, SD-17 and SD-29)for video and HDMI signal waveforms.

Page 5: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

BLOCK DIAGRAMS-3HDMI SECTION

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

HDASY

HDAPRHDAPBHDAPYHDACVHDASC

SD

A_V

DV

ES

CL_

VD

VE

INT

_VD

VD

_RS

T

OERX

VD

OF

F

HDBSYHDBCVHDBSC

HDBPRHDBPBHDBPY

SC

L_V

DV

E

RS

T_V

E

SD

A_V

DV

E

OE

DE

CT

H

VSYNCHSYNCFIELD/DE

Y(P10-19)ITU656

CR(P20-29)CB(P0-09)

LLCRTC

OEDEC

SC

L_R

XS

DA

_RX

RX

_RS

T

MU

TE

OU

T

INT

_RX

SC

DT

DDCSDA1

DDCSCL1VD_SCK

VD_SI

VD_STBVSYSRST

VD_SO

TXMUTERXMUTE

CE

C_I

O

VSYNCVOCLK

HSYNCFIELD/DE

HSYNCVSYNC

CR(P0,9)Y(0,9)CB(0,9)

VICLK

VIFLD1

VIDEN1

27MHz

CR

(O26

-O35

)Y

(O14

-O23

)C

B(O

2-O

11)

CR(O24-O35)CB(O0-O11)

Y(O12-O23)

FIELD/DEHSYNC

MCLK

Y

VSYNCICDK

CRCB

SD0_3LRCK_HDMIBCK_HDMI

SC

L_T

XS

DA

_TX

RS

T_T

XIN

T_T

X

OD

DC

_SD

AO

DD

C_S

CL

HP

LGD

ET

HD

MI_

PO

W

OETX

OE

RX

TH

CRY

CB

TX

DB

RX

DB

RE

SE

T

VS

PR

EQ

/BO

OT

+3.3VHD

+3.3VHD

+3.3VHD

OE444

OEEN

PRODDC1

HPR_R1

VID

EO

BO

AR

DN

AV

D-9

052

Q8701MPD70F3716GC

VIDEO MICROPROCESSOR

TO MAIN MICROPROCESSOR

TO MAIN MICROPROCESSOR

Q8405SN74CB3Q3305

HDMI RECIEVER

Q8501SiI9135

256 Mbit SDRAM X4

EVNODD

TO DSP BOARD

U8001VX-50

IP conversionScaler & OSD

U8031128 Mbit

FLASH MEMORY

HDMI INPUTMULTIPLEX

Q8101AD8196

VIDEO DECODER

R0X2R0X1R0X0R0XC

PR

ES

ET

SC

DT

INT

CS

DA

CS

CL

MU

TE

OU

T

MCLKOUTMCLKIN

SCKWS

SD0-7SPDIF

Y(O12-O23)CB(O0-O11)

CR(O24-035)DE

HSYNCVSYNC

ODCK

W1VICLK1

U5VICNTL0_VS

V3VICNTL1_HS

/RE

SE

T

Y24TXDB/DATA16

Y23RXDB

Y21TXDA

Y22RXDA

Y26TWIBDAT

U21TWIBCLK

Y25TWIADAT

V21TWIACLK

U22VOFIELD

VODAT(20,29)VODAT(10,19)

VODAT(0,9)

V22VOACT

W24VOHS

W23VOVS

W26VOCLK

FLA

SH

_CS

(0,1

)P

CI_

CB

E(1

.3)

PC

I_A

D(0

-31)

GP

IO(1

6,22

)

W2VICNTL3_DEN

V4VICNTL2_FIELDVIDAT(0,9)VIDAT(10,19)VIDAT(20,29)

AB11REFCLK

DSCL0DSDA0

R0PWR5V

R1X2R1X1R1X0R1XC

DSCL1DSDA1

R0PWR5V

Q8901ADV7320

VIDEO ENCODER

1RTC

2LLC

3VSYNC

4HSYNC

5FIELD/DE

8Y(P10-19)

21S

DA

22S

CLK

33R

ES

ET

B

91011

HDBSC

12HDBCV

13HDBSY

14HDBPR

15HDBPB

16HDBPY

Q8800ADV7401

71HDASY75HDASC

73HDACV

76_77HDAPY

74HDAPB

72HDAPR

3IN

TR

EQ

19_8

1S

DA

1_2

16_8

2S

CLK

1_2

78R

ES

ET

Y(P10-19)CB(P0-P9)

CR(P20-29)

98FIELD/DE

4HC/CS

99VS

36LLC

15SFL/SYNCOUT

11OE

11OE

D2+/-D1+/-D0+/-CK+/-

CERemoteDDC CLK

DDC DATA+5V

HP DET

D2+/-D1+/-D0+/-CK+/-

CERemoteDDC CLK

DDC DATA+5V

HP DET

HD

MI I

N 1

HD

MI I

N 2

HD

MI I

N 3

HD

MI I

N 4

D2+/-D1+/-D0+/-CK+/-

CERemoteDDC CLK

DDC DATA+5V

HP DET

D2+/-D1+/-D0+/-CK+/-

CERemoteDDC CLK

DDC DATA+5V

HP DET

1K

47K

Q8175BR24L02FV-W

5S

DA

6S

CL

7W

P8

VC

C1

A0

2A

1

3A

2

4G

ND

0

47K

5.6K

5.6K 0

Q8174

47K

11O

E

R851433

11O

E

+3.3V

Q8401Sil9134

IDCKVSYNCHSYNCDED16-23D0-7D8-15

SD0-3WSSCK

MCLK

SPDIFDSDCLKDSDDA

INT

RE

SE

T#

CS

CL

CS

DA

HPD

DSDADSCL

TXC+/-TX0+/-TX1+/-TX2+/-

HDMI TRANSMITTER

Q8451Sil9134

HDMI TRANSMITTER

4.7K

4.7K

+3.3V

47K

+3.3V

32

1

+13VS

Q83

05S

-812

C50

BU

C 1S

W

2G

ND

3

NC

4

VO

5

VIN

2K 2K

4.7K

104Z

10K

4.7K

10K

10K

4.7K

104Z

10K

10K10K

4.7K

AUX_D0AUX_D1

AUX_D2AUX_D3IN/P_D0IN/P_D1IN/P_D2IN/P_D3

AUX_C0AUX_C1

AUX_C2AUX_C3IN/P_C0IN/P_C1IN/P_C2IN/P_C3

AUX_B0AUX_B1

AUX_B2AUX_B3IN/P_B0IN/P_B1IN/P_B2IN/P_B3

AUX_A0AUX_A1

AUX_A2AUX_A3IN/P_A0IN/P_A1IN/P_A2IN/P_A3

I2C_SCLI2C_SDA

RESET

AUX_COM1AUX_COM0

AUX_COM3AUX_COM2

AUX_COM1AUX_COM0

AUX_COM3AUX_COM2

ON0/OP0

ON1/OP1ON2/OP2

ON3/OP3

ON0/OP0

ON1/OP1ON2/OP2

ON3/OP3

TC74VCX162827FT X2

20 bit BUS BUFFER

TC74VCX162827FT X2

20 bit BUS BUFFER

TC74VCX162827FT X2

20 bit BUS BUFFER

TC

74V

CX

1628

27F

T X

2

20 b

it B

US

BU

FF

ER

16 bit BUS BUFFER

11OE

TC74VCX162244 X21

1OE

HD

MI O

UT

MA

INH

DM

I OU

TS

UB

D2+/-D1+/-D0+/-CK+/-

CERemoteDDC CLKDDC DATA+5VHP DET

SN74CB3T3306DCT

11OE

21A

52A

4 GND 62B

31B

72OE

8VCC

DDCSDA2

DDCSCL2

+3.3VHD

PRODDC2

HPR_R2

1K

47K

Q8155BR24L02FV-W

5S

DA

6S

CL

7W

P8

VC

C1

A0

2A

1

3A

2

4G

ND

0

47K

5.6K

5.6K 0

Q8154

47K

SN74CB3T3306DCT

11OE

21A

52A

4 GND 62B

31B

72OE

8VCC

DDCSDA3

DDCSCL3

+3.3VHD

PRODDC3

HPR_R3

1K

47K

Q8125BR24L02FV-W

5S

DA

6S

CL

7W

P8

VC

C1

A0

2A

1

3A

2

4G

ND

0

47K

5.6K

5.6K 0

Q8124

47K

SN74CB3T3306DCT

11OE

21A

52A

4 GND 62B

31B

72OE

8VCC

DDCSDA4

DDCSCL4

+3.3VHD

PRODDC4

HPR_R4

1K

47K

Q8105BR24L02FV-W2 kbit EEPROM

5S

DA

6S

CL

7W

P8

VC

C1

A0

2A

1

3A

2

4G

ND

0

47K

5.6K

5.6K 0

Q8104

BUS Switch

47K

SN74CB3T3306DCT

11OE

21A

52A

4 GND 62B

31B

72OE

8VCC

Q8151AD8196

I2C_SCLI2C_SDA

RESET

16 b

it B

US

BU

FF

ER

TC

74V

CX

1622

44

HDMI BOARD(NAHDM-9114, SD-15 to 19)

VID

EO

BO

AR

DN

AV

D-9

052

OD

DC

_SD

AO

DD

C_S

CL

HP

LGD

ET

HD

MI_

PO

W

SC

L_T

XS

DA

_TX

RS

T_T

XIN

T_T

X

+3.3V

4.7K

4.7K

+3.3V

47K

+3.3V

32

1

+13VS

Q83

55N

JM28

60F

3-05

1

CO

NT

2

GN

D

3

BY

P

4

VO

5

VIN

2K 2K

IDCKVSYNCHSYNCDED16-23D0-7D8-15

SD0-3WSSCK

MCLK

SPDIFDSDCLKDSDDA

INT

RE

SE

T#

CS

CL

CS

DA

HPD

DSDADSCL

TXC+/-TX0+/-TX1+/-TX2+/-

HDMI Transmitter

D2+/-D1+/-D0+/-CK+/-

CERemoteDDC CLKDDC DATA+5VHP DET

<Note>Refer to SCHEMATIC DIAGRAM-17, -18 and -29(SD-17, SD-18 and SD-29) for HDMI signal waveforms.

2 kbit EEPROM

2 kbit EEPROM

2 kbit EEPROM

BUS Switch

BUS Switch

BUS Switch

BUS Switch

HDMI INPUTMULTIPLEX

Page 6: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

BLOCK DIAGRAMS-3HDMI SECTION

A

1

2

3

4

5

B C D E F G H

HDASY

HDAPRHDAPBHDAPYHDACVHDASC

SD

A_V

DV

ES

CL_

VD

VE

INT

_VD

VD

_RS

T

OERX

VD

OF

F

HDBSYHDBCVHDBSC

HDBPRHDBPBHDBPY

SC

L_V

DV

E

RS

T_V

E

SD

A_V

DV

E

OE

DE

CT

H

VSYNCHSYNCFIELD/DE

Y(P10-19)ITU656

CR(P20-29)CB(P0-09)

LLCRTC

OEDEC

SC

L_R

XS

DA

_RX

RX

_RS

T

MU

TE

OU

T

INT

_RX

SC

DT

DDCSDA1

DDCSCL1VD_SCK

VD_SI

VD_STBVSYSRST

VD_SO

TXMUTERXMUTE

CE

C_I

O

VSYNCVOCLK

HSYNCFIELD/DE

HSYNCVSYNC

CR(P0,9)Y(0,9)CB(0,9)

VICLK

VIFLD1

VIDEN1

27MHz

CR

(O26

-O35

)Y

(O14

-O23

)C

B(O

2-O

11)

CR(O24-O35)CB(O0-O11)

Y(O12-O23)

FIELD/DEHSYNC

MCLK

Y

VSYNCICDK

CRCB

SD0_3LRCK_HDMIBCK_HDMI

SC

L_T

XS

DA

_TX

RS

T_T

XIN

T_T

X

OD

DC

_SD

AO

DD

C_S

CL

HP

LGD

ET

HD

MI_

PO

W

OETX

OE

RX

TH

CRY

CB

TX

DB

RX

DB

RE

SE

T

VS

PR

EQ

/BO

OT

+3.3VHD

+3.3VHD

+3.3VHD

OE444

OEEN

PRODDC1

HPR_R1

VID

EO

BO

AR

DN

AV

D-9

052

Q8701MPD70F3716GC

VIDEO MICROPROCESSOR

TO MAIN MICROPROCESSOR

TO MAIN MICROPROCESSOR

Q8405SN74CB3Q3305

HDMI RECIEVER

Q8501SiI9135

256 Mbit SDRAM X4

EVNODD

TO DSP BOARD

U8001VX-50

IP conversionScaler & OSD

U8031128 Mbit

FLASH MEMORY

HDMI INPUTMULTIPLEX

Q8101AD8196

VIDEO DECODER

R0X2R0X1R0X0R0XC

PR

ES

ET

SC

DT

INT

CS

DA

CS

CL

MU

TE

OU

T

MCLKOUTMCLKIN

SCKWS

SD0-7SPDIF

Y(O12-O23)CB(O0-O11)

CR(O24-035)DE

HSYNCVSYNC

ODCK

W1VICLK1

U5VICNTL0_VS

V3VICNTL1_HS

/RE

SE

T

Y24TXDB/DATA16

Y23RXDB

Y21TXDA

Y22RXDA

Y26TWIBDAT

U21TWIBCLK

Y25TWIADAT

V21TWIACLK

U22VOFIELD

VODAT(20,29)VODAT(10,19)

VODAT(0,9)

V22VOACT

W24VOHS

W23VOVS

W26VOCLK

FLA

SH

_CS

(0,1

)P

CI_

CB

E(1

.3)

PC

I_A

D(0

-31)

GP

IO(1

6,22

)

W2VICNTL3_DEN

V4VICNTL2_FIELDVIDAT(0,9)VIDAT(10,19)VIDAT(20,29)

AB11REFCLK

DSCL0DSDA0

R0PWR5V

R1X2R1X1R1X0R1XC

DSCL1DSDA1

R0PWR5V

Q8901ADV7320

VIDEO ENCODER

1RTC

2LLC

3VSYNC

4HSYNC

5FIELD/DE

8Y(P10-19)

21S

DA

22S

CLK

33R

ES

ET

B

91011

HDBSC

12HDBCV

13HDBSY

14HDBPR

15HDBPB

16HDBPY

Q8800ADV7401

71HDASY75HDASC

73HDACV

76_77HDAPY

74HDAPB

72HDAPR

3IN

TR

EQ

19_8

1S

DA

1_2

16_8

2S

CLK

1_2

78R

ES

ET

Y(P10-19)CB(P0-P9)

CR(P20-29)

98FIELD/DE

4HC/CS

99VS

36LLC

15SFL/SYNCOUT

11OE

11OE

D2+/-D1+/-D0+/-CK+/-

CERemoteDDC CLK

DDC DATA+5V

HP DET

D2+/-D1+/-D0+/-CK+/-

CERemoteDDC CLK

DDC DATA+5V

HP DET

HD

MI I

N 1

HD

MI I

N 2

HD

MI I

N 3

HD

MI I

N 4

D2+/-D1+/-D0+/-CK+/-

CERemoteDDC CLK

DDC DATA+5V

HP DET

D2+/-D1+/-D0+/-CK+/-

CERemoteDDC CLK

DDC DATA+5V

HP DET

1K

47K

Q8175BR24L02FV-W

5S

DA

6S

CL

7W

P8

VC

C1

A0

2A

1

3A

2

4G

ND

0

47K

5.6K

5.6K 0

Q8174

47K

11O

E

R851433

11O

E

+3.3V

Q8401Sil9134

IDCKVSYNCHSYNCDED16-23D0-7D8-15

SD0-3WSSCK

MCLK

SPDIFDSDCLKDSDDA

INT

RE

SE

T#

CS

CL

CS

DA

HPD

DSDADSCL

TXC+/-TX0+/-TX1+/-TX2+/-

HDMI TRANSMITTER

Q8451Sil9134

HDMI TRANSMITTER

4.7K

4.7K

+3.3V

47K

+3.3V

32

1

+13VS

Q83

05S

-812

C50

BU

C 1S

W

2G

ND

3

NC

4

VO

5

VIN

2K 2K

4.7K

104Z

10K

4.7K

10K

10K

4.7K

104Z

10K

10K10K

4.7K

AUX_D0AUX_D1

AUX_D2AUX_D3IN/P_D0IN/P_D1IN/P_D2IN/P_D3

AUX_C0AUX_C1

AUX_C2AUX_C3IN/P_C0IN/P_C1IN/P_C2IN/P_C3

AUX_B0AUX_B1

AUX_B2AUX_B3IN/P_B0IN/P_B1IN/P_B2IN/P_B3

AUX_A0AUX_A1

AUX_A2AUX_A3IN/P_A0IN/P_A1IN/P_A2IN/P_A3

I2C_SCLI2C_SDA

RESET

AUX_COM1AUX_COM0

AUX_COM3AUX_COM2

AUX_COM1AUX_COM0

AUX_COM3AUX_COM2

ON0/OP0

ON1/OP1ON2/OP2

ON3/OP3

ON0/OP0

ON1/OP1ON2/OP2

ON3/OP3

TC74VCX162827FT X2

20 bit BUS BUFFER

TC74VCX162827FT X2

20 bit BUS BUFFER

TC74VCX162827FT X2

20 bit BUS BUFFER

TC

74V

CX

1628

27F

T X

2

20 b

it B

US

BU

FF

ER

16 bit BUS BUFFER

11OE

TC74VCX162244 X21

1OE

HD

MI O

UT

MA

INH

DM

I OU

TS

UB

D2+/-D1+/-D0+/-CK+/-

CERemoteDDC CLKDDC DATA+5VHP DET

SN74CB3T3306DCT

11OE

21A

52A

4 GND 62B

31B

72OE

8VCC

DDCSDA2

DDCSCL2

+3.3VHD

PRODDC2

HPR_R2

1K

47K

Q8155BR24L02FV-W

5S

DA

6S

CL

7W

P8

VC

C1

A0

2A

1

3A

2

4G

ND

0

47K

5.6K

5.6K 0

Q8154

47K

SN74CB3T3306DCT

11OE

21A

52A

4 GND 62B

31B

72OE

8VCC

DDCSDA3

DDCSCL3

+3.3VHD

PRODDC3

HPR_R3

1K

47K

Q8125BR24L02FV-W

5S

DA

6S

CL

7W

P8

VC

C1

A0

2A

1

3A

2

4G

ND

0

47K

5.6K

5.6K 0

Q8124

47K

SN74CB3T3306DCT

11OE

21A

52A

4 GND 62B

31B

72OE

8VCC

DDCSDA4

DDCSCL4

+3.3VHD

PRODDC4

HPR_R4

1K

47K

Q8105BR24L02FV-W2 kbit EEPROM

5S

DA

6S

CL

7W

P8

VC

C1

A0

2A

1

3A

2

4G

ND

0

47K

5.6K

5.6K 0

Q8104

BUS Switch

47K

SN74CB3T3306DCT

11OE

21A

52A

4 GND 62B

31B

72OE

8VCC

Q8151AD8196

I2C_SCLI2C_SDA

RESET

16 b

it B

US

BU

FF

ER

TC

74V

CX

1622

44HDMI BOARD(NAHDM-9114, SD-15 to 19)

VID

EO

BO

AR

DN

AV

D-9

052

OD

DC

_SD

AO

DD

C_S

CL

HP

LGD

ET

HD

MI_

PO

W

SC

L_T

XS

DA

_TX

RS

T_T

XIN

T_T

X

+3.3V

4.7K

4.7K

+3.3V

47K

+3.3V

32

1

+13VS

Q83

55N

JM28

60F

3-05

1

CO

NT

2

GN

D

3

BY

P

4

VO

5

VIN

2K 2K

IDCKVSYNCHSYNCDED16-23D0-7D8-15

SD0-3WSSCK

MCLK

SPDIFDSDCLKDSDDA

INT

RE

SE

T#

CS

CL

CS

DA

HPD

DSDADSCL

TXC+/-TX0+/-TX1+/-TX2+/-

HDMI Transmitter

D2+/-D1+/-D0+/-CK+/-

CERemoteDDC CLKDDC DATA+5VHP DET

<Note>Refer to SCHEMATIC DIAGRAM-17, -18 and -29(SD-17, SD-18 and SD-29) for HDMI signal waveforms.

2 kbit EEPROM

2 kbit EEPROM

2 kbit EEPROM

BUS Switch

BUS Switch

BUS Switch

BUS Switch

HDMI INPUTMULTIPLEX

Page 7: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

BLOCK DIAGRAMS-4NETWORK SECTION

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

PC

I Bus

Control Signal

A0-22

D0-15

A0-11,13,14

D0-31

D32-63

A0-11,13,14

Control Signal

Adress bus

Control Signal

Data bus

25M

Hz

PC

ICLK

(33.

3MH

z)

PCICLK2PCICLK3

48M

Hz

27MHz

25MHz

25MHz

PCICLK2

PCICLK3

PCI

PCI

PC

ICLK

2(33

.3M

Hz)

PC

ICLK

3(33

.3M

Hz)

25M

Hz

SK

DI

DO

CS

RX

DT

XD

XR

ES

ET

ST

AT

US

0R

ES

UM

EX

BO

OT

MO

DE

0

22.5

792M

Hz

SP

DIF

OU

TS

PD

IFIN

SPDIFOUTSPDIFIN

TX

DR

XD

+3.

3V+

7V

SD

A

SC

L

+1.

2V+

3.3V

SD

A

SC

L

49.1

52M

Hz

+2.

5V+

3.3V

+3.3V

+3.

3V

PCI

DP

1D

M1

+5V

MCLKBCLKLRCKSDATA

ZONE2LOUT

ZONE2ROUT

+7V -7V

+7V-7V

+3.3V+5V

P20

0R

J-45

ET

HE

RN

ET

LAN BOARDNALAN-9121SD-20 to 27

Q21

02S

B11

97K

Q211

EtherNet ControllerRTL8100CL-LF

Q206

PCI Audio

ENVY24MT-G

Q20

4

TO

AU

DIO

SE

CT

ION

(SD

-2)

FR

OM

MA

IN M

ICO

M S

EC

TIO

N

(S

D-8

)

TO DAC SECTION(SD-9)TO FRONTUSB TRM DEBUG TRM

D/A

Con

vert

erC

S43

44

LPF

Q202,Q203NE5532APSRVCVF + Buffer

LPF

Q20

5V

olta

ge R

egul

ator

S-8

17A

33A

NB

X20

0

X20

1

Q201

E2P-ROM

IS24C04A

Q200

RISC MICROPROCESSOR

R5S70900BGV

X203

Q21

6

Clo

ck G

ener

ator

CY

2239

3FX

CT

-01Q21

5

Clo

ck D

river

CD

CV

F25

05P

WR

X20

2

Q209E2P-RROM

M93C46-WDW6TP

Q20

7

E2P

-RO

M

IS24

C04

A

Q20

8

DC

-DC

con

vert

er

R12

32D

121B

Q21

2

Fla

sh R

OM

M29

W12

8FL7

0N6E

Q21

4

SD

RA

MK

4M56

3233

G-H

N75

Q21

3

SD

AR

M

K4M

5632

33G

-HN

75

Page 8: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

BLOCK DIAGRAMS-4NETWORK SECTION

A

1

2

3

4

5

B C D E F G H

PC

I Bus

Control Signal

A0-22

D0-15

A0-11,13,14

D0-31

D32-63

A0-11,13,14

Control Signal

Adress bus

Control Signal

Data bus

25M

Hz

PC

ICLK

(33.

3MH

z)

PCICLK2PCICLK3

48M

Hz

27MHz

25MHz

25MHz

PCICLK2

PCICLK3

PCI

PCI

PC

ICLK

2(33

.3M

Hz)

PC

ICLK

3(33

.3M

Hz)

25M

Hz

SK

DI

DO

CS

RX

DT

XD

XR

ES

ET

ST

AT

US

0R

ES

UM

EX

BO

OT

MO

DE

0

22.5

792M

Hz

SP

DIF

OU

TS

PD

IFIN

SPDIFOUTSPDIFIN

TX

DR

XD

+3.

3V+

7V

SD

A

SC

L

+1.

2V+

3.3V

SD

A

SC

L

49.1

52M

Hz

+2.

5V+

3.3V

+3.3V

+3.

3V

PCI

DP

1D

M1

+5V

MCLKBCLKLRCKSDATA

ZONE2LOUT

ZONE2ROUT

+7V -7V

+7V-7V

+3.3V+5V

P20

0R

J-45

ET

HE

RN

ET

LAN BOARDNALAN-9121SD-20 to 27

Q21

02S

B11

97K

Q211

EtherNet ControllerRTL8100CL-LF

Q206

PCI Audio

ENVY24MT-G

Q20

4

TO

AU

DIO

SE

CT

ION

(SD

-2)

FR

OM

MA

IN M

ICO

M S

EC

TIO

N

(S

D-8

)

TO DAC SECTION(SD-9)TO FRONTUSB TRM DEBUG TRM

D/A

Con

vert

erC

S43

44

LPF

Q202,Q203NE5532APSRVCVF + Buffer

LPF

Q20

5V

olta

ge R

egul

ator

S-8

17A

33A

NB

X20

0

X20

1

Q201

E2P-ROM

IS24C04A

Q200

RISC MICROPROCESSOR

R5S70900BGV

X203

Q21

6

Clo

ck G

ener

ator

CY

2239

3FX

CT

-01Q21

5

Clo

ck D

river

CD

CV

F25

05P

WR

X20

2

Q209E2P-RROM

M93C46-WDW6TP

Q20

7

E2P

-RO

M

IS24

C04

A

Q20

8

DC

-DC

con

vert

er

R12

32D

121B

Q21

2

Fla

sh R

OM

M29

W12

8FL7

0N6E

Q21

4

SD

RA

MK

4M56

3233

G-H

N75

Q21

3

SD

AR

M

K4M

5632

33G

-HN

75

Page 9: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-1 (SD-1) AUDIO SECTION-1

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

Z3MUTEZ2MUTE

BTLR

BTLL

MainBR

MainBL

MainAR

SELSTBSELSDOSELCLK

TU_R

XM_RXM_L

TU_L

XM

_RX

M_L

PZ2RPZ2L

Z2VOLCLKZ2VOLSDO

-15V

MainAL

TUMUTE-15VCD

MCH_SBRMCH_SBLMCH_SRMCH_SLMCH_SW

MCH_C

MCH_SRMCH_SBLMCH_SBR

MCH_SWMCH_C

VIDEO5RVIDEO5L

TAPEOUTLTAPEOUTRVIDEOOUTLVIDEOOUTR

GND

SR_RSR_L

+15V

+15V

GND

Z2RZ2L

Z3RZ3L

MCH_SL

SURROUND

SURROUNDBACK

FRONT

MULTI CHINPUT

PH

ON

O

LZONE 2 PRE OUT/LINE OUT

R

LZONE 3 PRE OUT/LINE OUT

R

TAPE

TAPE OUT

CD

AUX1

GAME/TV

DVD

CBL/SAT

VCR/DVR OUT

VCR/DVR IN

TX-NR906 Only

NAASP-9051

R4606

330

R46

16

56K

R4607

330

R46

17

56K

C4614

47/50

R4604

330

R46

14

56K

R46

24 220K

C4615

47/50

R4605

330

R46

15

56K

R46

25

220K

C4624

47/50

R46

34

220K

C4625

47/50 R46

35

220K

R4602

330

R46

12

56K

R46

22

220K

R4603

330

R46

13

56K

R46

23

220K

R46

32

220K

R46

33

220K

R4601

330

R46

11

56K

R46

21

220K

C4043

47/50

R4033

330

R40

35

56K

R40

73

220K

C4044

47/50

R4034

330

R40

36

56K

R40

74

220K

C4039

47/50

R4029

330

R40

31

56K

R40

69

220K

C4040

47/50

R4030

330

R40

32

56K

R40

70

220K

C4089

102J

C4088

102J

C40

1522

1JC

4016

221J

C46

0122

1JC

4602

221J

C46

0322

1JC

4604

221J

C46

0522

1JC

4606

221J

C46

0722

1J

C4019

47/50

R40

37

220K

C4020

47/50

R40

38

220K

C4023

47/50

R4009

330

R40

11

56K

R40

47

220K

C4024

47/50

R4010

330

R40

12

56K

R40

48

220K

C40

0522

1JC

4006

221J

C4087

102J

R40

04

56K

R4006

330

R4041

10R4045220

R4042

10

R4046

220

C40

0322

1J

C4616

47/50

R46

26

220K

C4617

47/50 R46

27

220K

C4626

47/50

R46

36

220K

C4627

47/50 R46

37

220K

R4043

100

R4044100

R41220

Q4026

R4161

10K

R4162

10K

R4164220K

C4112

47/50R4160

10K

C4111

47/50 R4163220K

R4159

10K

R40

07

220K

R40

08

220K

R41

26

220K

R41

25

220K

R4005

330

R40

03

56K

R41210

C4623

47/50

C4613

47/50

C4612

47/50

C4611

47/50

Q4025

R4257 220KR4600

330

C46

0022

1J

C4610

47/50

R46

20

220K

R46

10

56K

C40

1722

1KC

4018

221K

C40

0122

1KC

4002

221K

Q4002BNE5532

5

67

8

Q4002A

NE55322

3

4

1

Q4014BNE5532

5

67

8

Q4014ANE5532

2

3

4

1

Q4015B

NE55325

67

8

Q4015A

NE5532

2

3

4

1

Q4001B

NE55325

67

8

Q4001A

NE5532

2

3

4

1

Q4040B

NE55325

67

8

Q4040A

NE5532

2

3

4

1

Q4041B

NE55325

67

8

Q4041A

NE5532

2

3

4

1

Q4042B

NE55325

67

8

Q4042A

NE5532

2

3

4

1

Q4043B

NE55325

67

8

Q4043A

NE5532

2

3

4

1

R41

58

220K

R41

57

220K

C4108

47/50

C4107

47/50

R41

56

220K

C4106

47/50

R41

55

220K

C4105

47/50

R41

54

220K

R41

53

220K

C4104

47/50

C4103

47/50

C4102

47/50

R41

51

220K

R41

52

220K

C4101

47/50

Q4030B

NE5532AP

6

5

4

7

R40

8056

K

R40

79

56K

C4622

47/50

R4220

220Q4206

RN1441

R42

18

220K

Q4205

RN1441

R4219

220

Q4210

RN1441

C4219

47/50

C4220

47/50

R4221

100

R4222

100

R4224

10Q4208

RN1441

R4223

10Q4207

RN1441

R4236

10

Q4212

RN1441

R4234

100

R4235

10Q4211

RN1441

R4233

100

R42

2622

0K

C42

17

221J

R42

2522

0K

C42

2222

1J

R42

3822

0K

C42

2122

1J

R42

3722

0K

R4239

47

R4240

47

R4227

47

C4243

102J

R4232

220

R4231

220

R42

30

220K

R42

29

220K

R4228

47

R42

17

220K

C4216

47/50

C4215

47/50

C42

1822

1J

Q4209

RN1441

R4258

220K

R41232.2K

R41242.2K

R4166100

R41

6710

0KR

4168

100K

R416947K

R4171100K

R4165100

R4170

100

C411947/50

C4120

47/50

Q4031A

NE5532AP3

21

8

Q4031B

NE5532AP

6

5

4

7

C40

5522

1KC

4056

221K

RN1441

RN1441

P40

30A

987

C40

8110

0/50

C40

83

100/

50

C40

85

100/

50

C40

94

100/

50

C4027

47/50R

4019

56K

R40

57

220K

C4028

47/50

R4018

330 R40

20

56K

R40

58

220K

C40

0922

1JC

4010

221J

Q4011A

NE55322

3

4

1

Q4011B

NE5532

5

67

8R4017

330

C4031

47/50

R4021

330

R40

23

56K

R40

61

220K

C4032

47/50

R4022

330

R40

24

56K

R40

62

220K

C40

1122

1J

C40

1222

1J

Q4012A

NE55322

3

4

1

Q4012B

NE5532

5

67

8

C4035

47/50

R4025

330

R40

27

56K

R40

65

220K

C4036

47/50

R4026

330

R40

28

56K

R40

66

220K

C40

1322

1JC

4014

221J

Q4013B

NE5532

5

67

8

Q4013A

NE55322

3

4

1

R40

15

220K

R40

16

220K

R4051

10

R4053100

R4052

10

R4054

100

C40

0722

1JC

4008

221J

R4056

220

R4055220

R4014

47

R4013

47

C4090

102J

P40

07

P40

01

P40

04P

4005

R4001

330

R4002

330

P4008

P40

33A

12345678910111213

R41

2910

K

R41

3010

KR

4131

10K

R4115

22(1/2W)

R411622(1/2W)

R4118

22(1/2W)

R4119

22(1/2W)

R4120

22(1/2W)

R4128

22(1/2W)

R412722(1/2W)

P40

06P

4003

Q4029

ANALOG SW ARRAY

TC94A46CFG

80

80 S04

79

79 NC

78 S0377 NC76 S0275 NC74 S0173 NC72 NC71 S0170 NC69 S0268 NC67 S0366

66 NC

65

65 S04

64N

C63

S05

62N

C61

S06

60N

C59

S07

58N

C57

S08

56N

C55

S09

54N

C53

S10

52N

C51

S11

50N

C49

S12

48N

C47

S13

46N

C45

S14

44N

C43

CO

M1

42N

C41

CO

M2

40

38 NC

39

39 COM3

3840 NC37VDD

36NC

35CS2

34STB

33DATA

32CK

31GND

30CS1

29NC

28VSS

27

27 NC

26

26 COM3

25

25 NC

24C

OM

2

23N

C

22C

OM

1

21N

C

20S

14

19N

C

18S

13

17N

C

16S

12

15N

C

14S

11

13N

C

12S

10

11N

C

10S

09

9N

C

8S

08

7N

C

6S

07

5N

C

4S

06

3N

C

2S

05

1N

C

R4117

22(1/2W)

P40

32A

12345678

Q4030A

NE5532AP3

21

8

Q4032A

NE5532AP

2

31

8

Q4032B

NE5532AP

5

6

4

7

P40

30A

123456

C40

0422

1J

R4176220

C4176152J

R4175220

Q40182SC2240-BL

Q4017

2SC2240-BL

R40893.3K

Q4023BNE5532

23

1

Q4023A

NE5532

5

6 4

7

8

R40

8422

KR

4083 22

K

R40903.3K

R40923.3K

C40

6047

/50

C40

5947

/50

R40

87

2.7K

R4095470K

R40

97

820

R40913.3K

R40

85

220K

R40

88

2.7K

Q40222SC2712

R4096

470KR4094

39K

R40

98 820

R40

86

220K

Q40212SC2712

D40

02

UDZS5.6B

D40

01

UDZS5.6B

R41

33

220

R41

34

220

R41

3522

0R

4136

220

C4065182J

C4064682J

C4066182J

C40

61

220/

25C

4062

220/

25

C4063

682J

R4099820

C406722/50

R41

02

220K

C40

7022

2J

C40

80

220/

25

R4100

820

C4068

22/50

C40

69

222J

Q4019

2SC2240-BL

Q4020

2SC2240-BL

R4114

100(1/2W)

R40

812.

7K(1

/2W

)R

4082

2.7K

(1/2

W)

P40

30B

789

P40

30B

654321

C40

79

220/

25

R41

01

220K

C4057

47/50

C405847/50

Q42912SC2120

D42

92

UD

ZS

7.5B

D42

91

UD

ZS

7.5B

C42

9122

0/25

R42

94

1.5K

R42

93

1.5K

R4291

47(1/2W)

C42

9222

0/25

C42

9347

/50

C42

9447

/50

R429247(1/2W)

C42

9522

0/25

C42

9622

0/25

C42

1347

/50

C42

4047

/50

C42

14

47/5

0

C42

3347

/50 C42

3647

/50 C42

3547

/50 C

4238

47/5

0 C42

3747

/50

C42

3947

/50

Q42922SA950

P40

33B

12345

-14.4V

6789

10111213

R4256 10KR4255 10K

Q4204

SELECTORVOL, TONE

R2S15211FP

40 MONO39 SUBL38 SUBR37 ADCR36 ADCL35 FRIN234 FLIN233 SRIN232 SLIN231 SWIN230 CIN229 SBRIN228 SBLIN227

27 TRE_R26 BASS_R2

25

25 BASS_R1

24A

VC

C23

TR

E_L

22B

AS

S_L

221 20

BA

SS

_L1

FR

C19

FR

OU

T18

AG

ND

17F

LOU

T16

FLC

156-

C14

6-O

UT

13A

GN

D12

5-O

UT

115-

C10

4-C

94-

OU

T8

AG

ND

73-

OU

T6

3-C

52-

C4

2-O

UT

3A

GN

D2

1-O

UT

11-

C 80

80 SBRIN179

79 SBLIN178SRIN1

77SLIN1

76SWIN1

75CIN1

74FRIN1

73FLIN1

72RECL3

71RECR3

70INL11/RECL5

69

69 INR11/RECR5

68

68 INL10/RECL4

67

67 INR10/RECR4

66

66 INLB/RECL2

65

65 INRB/RECR2

64IN

L9

63IN

R9

62IN

LA/R

EC

L1

61IN

RA

/RE

CR

1

60IN

L8

59IN

R8

58IN

L7

57IN

R7

56IN

L6

55IN

R6

54IN

L5

53IN

R5

52IN

L4

51IN

R4

50IN

L3

49IN

R3

48IN

L2

47IN

R2

46IN

L1

45IN

R1

44A

VE

E

43C

LOC

K

42

42 D

ATA

41

41 D

GN

D

C4206

47/50

Q4202B

NE5532AP

6

5

4

7

Q4202A

NE5532AP3

21

8

Q4201B

NE5532AP

6

5

4

7

Q4201A

NE5532AP3

21

8

C4205

47/50

C4201

47/50

R42

01

220K

C4202

47/50

R42

02

220K

C4203

47/50

C4204

47/50

R42

03

220K

R42

04

220K

R42

05

220K

R42

06

220K

C4207

47/50

C4208

47/50

R42

07

220K

R42

08

220K

P40

32B

87654321

R4078

1K

R40771K

C4175152J

R4093

39K

R41

791.

2K

R41

801.

2K

C40

91

221K

+6.9V

-6.9V

+14.4V

-14.4V

+14.4V

-14.4V

-14.4V

+14.4V

R4113

100(1/2W)

C4232474J

R42541.8K

C4228223J

C4230 823J

C42

2722

3J

C42

2982

3J

C42

3447/5

0

R42

531.

8KC

4231

474J

R41

77 1K

C41

77

221J

R41

781K

C41

78221J

NAASP-9050(1/2) U06 AMPLIFIER PC BOARD

U32 AMPLIFIER PC BOARD

U07 PHONO PC BOARD

NAASP-9080

L

R

L

R

L

R

L

R

L

R

L

R

L

R

L

R

L

R

CENTER

SUB WOOFER

L

R

L

R

L

RL

R

TO N

AA

SP

-905

0(2/

2)S

D-2

TO N

AA

SP

-905

0(2/

2)S

D-2

TO NALAN-9121(SD-27:G2)

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

+14.4V

-14.4V

-14.4V

-14.0V

+14.4V

+14.4V

+14.0V

TUNER

TX-NA906 Only

(TX-NA906 Only)

C407547/50

R41

07

220K

C4076

47/50

R41

08

220K

R41

05

56K

R4104

330

R41

06

56K

R4103330

C40

7322

1JC

4074

221J

Q4016B

NE55325

67

8

Q4016A

NE5532

2

3

4

1

P40

01

L

R

+7V

-7V

GN

DN

ET

NE

T_L

GN

DN

ET

NE

T_R

P202B654321

Page 10: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-1 (SD-1) AUDIO SECTION-1

A

1

2

3

4

5

B C D E F G H

Z3MUTEZ2MUTE

BTLR

BTLL

MainBR

MainBL

MainAR

SELSTBSELSDOSELCLK

TU_R

XM_RXM_L

TU_L

XM

_RX

M_L

PZ2RPZ2L

Z2VOLCLKZ2VOLSDO

-15V

MainAL

TUMUTE-15VCD

MCH_SBRMCH_SBLMCH_SRMCH_SLMCH_SW

MCH_C

MCH_SRMCH_SBLMCH_SBR

MCH_SWMCH_C

VIDEO5RVIDEO5L

TAPEOUTLTAPEOUTRVIDEOOUTLVIDEOOUTR

GND

SR_RSR_L

+15V

+15V

GND

Z2RZ2L

Z3RZ3L

MCH_SL

SURROUND

SURROUNDBACK

FRONT

MULTI CHINPUT

PH

ON

O

LZONE 2 PRE OUT/LINE OUT

R

LZONE 3 PRE OUT/LINE OUT

R

TAPE

TAPE OUT

CD

AUX1

GAME/TV

DVD

CBL/SAT

VCR/DVR OUT

VCR/DVR IN

TX-NR906 Only

NAASP-9051

R4606

330

R46

16

56K

R4607

330

R46

17

56K

C4614

47/50

R4604

330

R46

14

56K

R46

24 220K

C4615

47/50

R4605

330

R46

15

56K

R46

25

220K

C4624

47/50

R46

34

220K

C4625

47/50 R46

35

220K

R4602

330

R46

12

56K

R46

22

220K

R4603

330

R46

13

56K

R46

23

220K

R46

32

220K

R46

33

220K

R4601

330

R46

11

56K

R46

21

220K

C4043

47/50

R4033

330

R40

35

56K

R40

73

220K

C4044

47/50

R4034

330

R40

36

56K

R40

74

220K

C4039

47/50

R4029

330

R40

31

56K

R40

69

220K

C4040

47/50

R4030

330

R40

32

56K

R40

70

220K

C4089

102J

C4088

102J

C40

1522

1JC

4016

221J

C46

0122

1JC

4602

221J

C46

0322

1JC

4604

221J

C46

0522

1JC

4606

221J

C46

0722

1J

C4019

47/50

R40

37

220K

C4020

47/50

R40

38

220K

C4023

47/50

R4009

330

R40

11

56K

R40

47

220K

C4024

47/50

R4010

330

R40

12

56K

R40

48

220K

C40

0522

1JC

4006

221J

C4087

102J

R40

04

56K

R4006

330

R4041

10R4045220

R4042

10

R4046

220

C40

0322

1J

C4616

47/50

R46

26

220K

C4617

47/50 R46

27

220K

C4626

47/50

R46

36

220K

C4627

47/50 R46

37

220K

R4043

100

R4044100

R41220

Q4026

R4161

10K

R4162

10K

R4164220K

C4112

47/50R4160

10K

C4111

47/50 R4163220K

R4159

10K

R40

07

220K

R40

08

220K

R41

26

220K

R41

25

220K

R4005

330

R40

03

56K

R41210

C4623

47/50

C4613

47/50

C4612

47/50

C4611

47/50

Q4025

R4257 220KR4600

330

C46

0022

1J

C4610

47/50

R46

20

220K

R46

10

56K

C40

1722

1KC

4018

221K

C40

0122

1KC

4002

221K

Q4002BNE5532

5

67

8

Q4002A

NE55322

3

4

1

Q4014BNE5532

5

67

8

Q4014ANE5532

2

3

4

1

Q4015B

NE55325

67

8

Q4015A

NE5532

2

3

4

1

Q4001B

NE55325

67

8

Q4001A

NE5532

2

3

4

1

Q4040B

NE55325

67

8

Q4040A

NE5532

2

3

4

1

Q4041B

NE55325

67

8

Q4041A

NE5532

2

3

4

1

Q4042B

NE55325

67

8

Q4042A

NE5532

2

3

4

1

Q4043B

NE55325

67

8

Q4043A

NE5532

2

3

4

1

R41

58

220K

R41

57

220K

C4108

47/50

C4107

47/50

R41

56

220K

C4106

47/50

R41

55

220K

C4105

47/50

R41

54

220K

R41

53

220K

C4104

47/50

C4103

47/50

C4102

47/50

R41

51

220K

R41

52

220K

C4101

47/50

Q4030B

NE5532AP

6

5

4

7

R40

8056

K

R40

79

56K

C4622

47/50

R4220

220Q4206

RN1441

R42

18

220K

Q4205

RN1441

R4219

220

Q4210

RN1441

C4219

47/50

C4220

47/50

R4221

100

R4222

100

R4224

10Q4208

RN1441

R4223

10Q4207

RN1441

R4236

10

Q4212

RN1441

R4234

100

R4235

10Q4211

RN1441

R4233

100

R42

2622

0K

C42

17

221J

R42

2522

0K

C42

2222

1J

R42

3822

0K

C42

2122

1J

R42

3722

0K

R4239

47

R4240

47

R4227

47

C4243

102J

R4232

220

R4231

220

R42

30

220K

R42

29

220K

R4228

47

R42

17

220K

C4216

47/50

C4215

47/50

C42

1822

1J

Q4209

RN1441

R4258

220K

R41232.2K

R41242.2K

R4166100

R41

6710

0KR

4168

100K

R416947K

R4171100K

R4165100

R4170

100

C411947/50

C4120

47/50

Q4031A

NE5532AP3

21

8

Q4031B

NE5532AP

6

5

4

7

C40

5522

1KC

4056

221K

RN1441

RN1441

P40

30A

987

C40

8110

0/50

C40

83

100/

50

C40

85

100/

50

C40

94

100/

50

C4027

47/50

R40

19

56K

R40

57

220K

C4028

47/50

R4018

330 R40

20

56K

R40

58

220K

C40

0922

1JC

4010

221J

Q4011A

NE55322

3

4

1

Q4011B

NE5532

5

67

8R4017

330

C4031

47/50

R4021

330

R40

23

56K

R40

61

220K

C4032

47/50

R4022

330

R40

24

56K

R40

62

220K

C40

1122

1J

C40

1222

1J

Q4012A

NE55322

3

4

1

Q4012B

NE5532

5

67

8

C4035

47/50

R4025

330

R40

27

56K

R40

65

220K

C4036

47/50

R4026

330

R40

28

56K

R40

66

220K

C40

1322

1JC

4014

221J

Q4013B

NE5532

5

67

8

Q4013A

NE55322

3

4

1

R40

15

220K

R40

16

220K

R4051

10

R4053100

R4052

10

R4054

100

C40

0722

1JC

4008

221J

R4056

220

R4055220

R4014

47

R4013

47

C4090

102J

P40

07

P40

01

P40

04P

4005

R4001

330

R4002

330

P4008

P40

33A

12345678910111213

R41

2910

K

R41

3010

KR

4131

10K

R4115

22(1/2W)

R411622(1/2W)

R4118

22(1/2W)

R4119

22(1/2W)

R4120

22(1/2W)

R4128

22(1/2W)

R412722(1/2W)

P40

06P

4003

Q4029

ANALOG SW ARRAY

TC94A46CFG

80

80 S04

79

79 NC

78 S0377 NC76 S0275 NC74 S0173 NC72 NC71 S0170 NC69 S0268 NC67 S0366

66 NC

65

65 S04

64N

C63

S05

62N

C61

S06

60N

C59

S07

58N

C57

S08

56N

C55

S09

54N

C53

S10

52N

C51

S11

50N

C49

S12

48N

C47

S13

46N

C45

S14

44N

C43

CO

M1

42N

C41

CO

M2

40

38 NC

39

39 COM3

3840 NC37VDD

36NC

35CS2

34STB

33DATA

32CK

31GND

30CS1

29NC

28VSS

27

27 NC

26

26 COM3

25

25 NC

24C

OM

2

23N

C

22C

OM

1

21N

C

20S

14

19N

C

18S

13

17N

C

16S

12

15N

C

14S

11

13N

C

12S

10

11N

C

10S

09

9N

C

8S

08

7N

C

6S

07

5N

C

4S

06

3N

C

2S

05

1N

C

R4117

22(1/2W)

P40

32A

12345678

Q4030A

NE5532AP3

21

8

Q4032A

NE5532AP

2

31

8

Q4032B

NE5532AP

5

6

4

7

P40

30A

123456

C40

0422

1J

R4176220

C4176152J

R4175220

Q40182SC2240-BL

Q4017

2SC2240-BL

R40893.3K

Q4023BNE5532

23

1

Q4023A

NE5532

5

6 4

7

8

R40

8422

KR

4083 22

K

R40903.3K

R40923.3K

C40

6047

/50

C40

5947

/50

R40

87

2.7K

R4095470K

R40

97

820

R40913.3K

R40

85

220K

R40

88

2.7K

Q40222SC2712

R4096

470KR4094

39K

R40

98 820

R40

86

220K

Q40212SC2712

D40

02

UDZS5.6B

D40

01

UDZS5.6B

R41

33

220

R41

34

220

R41

3522

0R

4136

220

C4065182J

C4064682J

C4066182J

C40

61

220/

25C

4062

220/

25

C4063

682J

R4099820

C406722/50

R41

02

220K

C40

7022

2J

C40

80

220/

25

R4100

820

C4068

22/50

C40

69

222J

Q4019

2SC2240-BL

Q4020

2SC2240-BL

R4114

100(1/2W)

R40

812.

7K(1

/2W

)R

4082

2.7K

(1/2

W)

P40

30B

789

P40

30B

654321

C40

79

220/

25

R41

01

220K

C4057

47/50

C405847/50

Q42912SC2120

D42

92

UD

ZS

7.5B

D42

91

UD

ZS

7.5B

C42

9122

0/25

R42

94

1.5K

R42

93

1.5K

R4291

47(1/2W)

C42

9222

0/25

C42

9347

/50

C42

9447

/50

R429247(1/2W)

C42

9522

0/25

C42

9622

0/25

C42

1347

/50

C42

4047

/50

C42

14

47/5

0

C42

3347

/50 C42

3647

/50 C42

3547

/50 C

4238

47/5

0 C42

3747

/50

C42

3947

/50

Q42922SA950

P40

33B

12345

-14.4V

6789

10111213

R4256 10KR4255 10K

Q4204

SELECTORVOL, TONE

R2S15211FP

40 MONO39 SUBL38 SUBR37 ADCR36 ADCL35 FRIN234 FLIN233 SRIN232 SLIN231 SWIN230 CIN229 SBRIN228 SBLIN227

27 TRE_R26 BASS_R2

25

25 BASS_R1

24A

VC

C23

TR

E_L

22B

AS

S_L

221 20

BA

SS

_L1

FR

C19

FR

OU

T18

AG

ND

17F

LOU

T16

FLC

156-

C14

6-O

UT

13A

GN

D12

5-O

UT

115-

C10

4-C

94-

OU

T8

AG

ND

73-

OU

T6

3-C

52-

C4

2-O

UT

3A

GN

D2

1-O

UT

11-

C 80

80 SBRIN179

79 SBLIN178SRIN1

77SLIN1

76SWIN1

75CIN1

74FRIN1

73FLIN1

72RECL3

71RECR3

70INL11/RECL5

69

69 INR11/RECR5

68

68 INL10/RECL4

67

67 INR10/RECR4

66

66 INLB/RECL2

65

65 INRB/RECR2

64IN

L9

63IN

R9

62IN

LA/R

EC

L1

61IN

RA

/RE

CR

1

60IN

L8

59IN

R8

58IN

L7

57IN

R7

56IN

L6

55IN

R6

54IN

L5

53IN

R5

52IN

L4

51IN

R4

50IN

L3

49IN

R3

48IN

L2

47IN

R2

46IN

L1

45IN

R1

44A

VE

E

43C

LOC

K

42

42 D

ATA

41

41 D

GN

D

C4206

47/50

Q4202B

NE5532AP

6

5

4

7

Q4202A

NE5532AP3

21

8

Q4201B

NE5532AP

6

5

4

7

Q4201A

NE5532AP3

21

8

C4205

47/50

C4201

47/50

R42

01

220K

C4202

47/50

R42

02

220K

C4203

47/50

C4204

47/50

R42

03

220K

R42

04

220K

R42

05

220K

R42

06

220K

C4207

47/50

C4208

47/50

R42

07

220K

R42

08

220K

P40

32B

87654321

R4078

1K

R40771K

C4175152J

R4093

39K

R41

791.

2K

R41

801.

2K

C40

91

221K

+6.9V

-6.9V

+14.4V

-14.4V

+14.4V

-14.4V

-14.4V

+14.4V

R4113

100(1/2W)

C4232474J

R42541.8K

C4228223J

C4230 823J

C42

2722

3J

C42

2982

3J

C42

3447/5

0

R42

531.

8KC

4231

474J

R41

77 1K

C41

77

221J

R41

781K

C41

78221J

NAASP-9050(1/2) U06 AMPLIFIER PC BOARD

U32 AMPLIFIER PC BOARD

U07 PHONO PC BOARD

NAASP-9080

L

R

L

R

L

R

L

R

L

R

L

R

L

R

L

R

L

R

CENTER

SUB WOOFER

L

R

L

R

L

RL

R

TO N

AA

SP

-905

0(2/

2)S

D-2

TO N

AA

SP

-905

0(2/

2)S

D-2

TO NALAN-9121(SD-27:G2)

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

+14.4V

-14.4V

-14.4V

-14.0V

+14.4V

+14.4V

+14.0V

TUNER

TX-NA906 Only

(TX-NA906 Only)

C407547/50

R41

07

220K

C4076

47/50

R41

08

220K

R41

05

56K

R4104

330

R41

06

56K

R4103330

C40

7322

1JC

4074

221J

Q4016B

NE55325

67

8

Q4016A

NE5532

2

3

4

1

P40

01

L

R

+7V

-7V

GN

DN

ET

NE

T_L

GN

DN

ET

NE

T_R

P202B654321

Page 11: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-2 (SD-2) AUDIO SECTION-2

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

VO

LSD

O

BTLRMCH_SBR

PZ2R

BTLLMCH_SBL

PZ2L

VIDEO5R

MainAR

MainAL

VIDEO5L

-15V

VO

LCS

HPDET

MCH_SW

VIDEOOUTLTAPEOUTL

MCH_SL

MCH_C

GND

GNDDG

MCH_SR

MainBL

MainBR

VIDEOOUTRTAPEOUTR

MIXL

MIXR

C

SR

SBR

R

L

SBL

SL

MIC

AD

RA

DL

GN

DA

UX

2

GN

DA

GN

DA

AU

X2_

LA

UX

2_R

-15V

A+

15V

A

DA

CF

LD

AC

FR

DA

CC

DA

CS

WD

AC

SL

DA

CS

R

DA

CS

BL

DA

CS

BR

DA

CS

WR

DA

CC

RA

SW

ST

B

GN

DA

GN

DD

GH

PD

ET

HP

RL

VO

LCS

VO

LSD

OV

OLC

LK

AM

UT

ES

BZ

2MU

TE

AS

WS

DO

AS

WC

LK

VO

LMU

TE

VO

LRS

T

SE

LST

BS

ELS

DO

SE

LCLK

Z2V

OLC

LKZ

2VO

LSD

O

Z2M

UT

E

TU

_L

SR

_RS

R_L

XM

_LT

U_R

TU

MU

TE

RE

CM

UT

E

Z3M

UT

E

GND

XM

_RG

ND

XM

SP

RLF

SP

RLS

B

+15V

FR

_SL

_SBL

FL

_FL

_FR

_C

_SW

_SBR

_SR

HP_R

HP_L

VO

LMU

TE

VO

LCLK

VO

LRS

T

Down Mix

HEADPHONE AMP

PR

E O

UT

TO N

ATR

M-9

055

SD

-7:C

2

+12VRLGND

GND+15V

+14.4V

-15V

-14.4V

TO N

AA

F-9

039

SD

-5:A

1TO

NA

DIS

-908

8(JL

4103

B)

SD

-13:

G2

TO NAAR-9075SD-8:F4

TO NAAR-9075SD-8:G4

C431647/50

R43

30

220K

R4324

10K

R4321

10K

R4322

10KR4328

10K

R4306 1.5KR4304180

R4303180

Q43

06N

JU73

11A

AN

ALO

G S

W

1V

EE L1 L2

L-C

OM

1L3 L4

L-C

OM

2 L5 L6L-

CO

M3

L7L-

CO

M4

NC

ST

VS

SC

KD

ATA

NC

R-C

OM

4R

7

R-C

OM

3R

6R

5

R-C

OM

2R

4R

3

R-C

OC

1R

2R

1V

DD

R4327

10K R4323

10KC431547/50

R46

41

220K

R46

42

220K

R46

43

220K

R46

44

220K

R46

45

220K

Q4621RN1441

R4661

100

R4651

220 Q4611

RN1441

Q4622RN1441

R4662

100Q4612

RN1441

Q4623RN1441

R4663

100

R4653

220

R4652

220

Q4613

RN1441

Q4624RN1441

R4664

100Q4614

RN1441

Q4625RN1441

R4665

100

R4655

220

R4654

220

Q4615

RN1441

R45

0422

0K

D45

04D

4502 1S

S35

2

D45

081S

S35

2

D4506

1SS

352

R4502

1.8K

C4502

47/50

R45

03

220K

D45

03

1SS

352

D45

07

D4505

1SS

352

R4507

5.6K

C440747/50

R4337 10K

R433910K

R433810K

R4340

10K

R434110K

R434210K

R4344

10K

R434510K

R4319

10K

R4320

10K

R4316

10K

R46

46

220K

R46

47

220K

Q4626RN1441

R4666

100Q4616

RN1441

Q4627RN1441

R4667

100

R4657

220

R4656

220

Q4617

RN1441

R4307 12K

R4308 12K

R45

052.2K

R45

06

2.2K

R4508

5.6K

R44

171.

8K

R4415

220K

C46

53

47/5

0

R44162.2K

C44

20

47/5

0

R4414220K

R4413

220K

R4309 2.2K

R4310 2.2K

R431112K

R431212K

R43132.2K

R4314 2.2K

R4315

10K

R44

1818

K

Q44032SC2712

Q44042SA1162

D4403

UD

Z3.

3B

R4501

1.8KC4501

47/50

D45

01

C4505104

D4509

1SS352

R46

40

220K

R4650

220

R4660

100Q4610

RN1441 Q4620RN1441

R43051.5K

Q44

06A

NE

5532

AP

4

1

8

32

Q44

06B

NE

5532

AP

765

C441510/50

C44

1410

/50

C441310/50

C440347/50

C440447/50

Q43

04N

JU73

12A

VS

SS

TN

CL-

CO

M3

L8L7L-

CO

M2

L6L5L4L-

CO

M1

L3L2L1

1V

EE

VD

DR

1R

2R

3R

-CO

M1

R4

R5

R6

R-C

OM

2

R7

R8

R-C

OM

3

NC

DAT

AC

K

Q4506

2SC2712

Q43

05N

JU73

13A

VS

SS

TN

C

L-C

OM

3L8L7

L-C

OM

2L6L5

L-C

OM

1L4L3L2L1

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15161718192021222324252627282930

VE

EV

DD

R1

R2

R3

R4

R-C

OM

1R

5R

6R

-CO

M2

R7

R8

R-C

OM

3N

CD

ATA

CK

Q4505BNE5532AP

6

57

Q4505A

NE5532AP3

2

4

1

8

R4335

10K

C432147/50

R4331

10K

R4336

10KC432247/50

R4332

10K

R43

47

220K

R43

48

220K

C46

31

221J

R46

8222

0KR

4683

220K

C46

3222

1JC

4633

221J

R46

8422

0KR

4685

220K

C46

3422

1JC

4635

221J

R46

8122

0KR

4686

220K

R46

8722

0K

C46

3622

1JC

4637

221J

R4696

47

R4697

47

R4695

47

R4694

47

R4693

47

R4692

47

R4691

47

C4421

102J

C4423104

C4424104

D4404 1SS352

D4405 1SS352

R46

8022

0K

R4690

47

C46

30

221J

Q44082SC2712

Q44072SC2712

R44

21

1.8K

R44

22

1.8K

C4650

47/50

C4655

47/50

C4651

47/50

C4652

47/50

Q44

012S

A95

0

R45

17

1.8K

Q44

022S

C21

20

R4671

10

R4670

10

R4672

10

R4673

10

R4674

10

R4675

10

R4676

10

R4677

10

C44

1610

/50

C4654

47/50

C4656

47/50

C4657

47/50

R4343

10K

R44032.2K

R44042.2K

R44

0633

0

R44

0533

0

C4405220/25

RL4401128

10

35 4

91

RL4402128

10

35 4

91

RL4403128

10

35 4

91

RL4404

128

10

35 4

91

P50

00

13121110987654321

C4311 102J

C4320102J

C4319 102J

C4503102J

C4504102J

R43

29

220K

R4407

1.2K(1/2W)

C4406220/25

C4401100/25

C4402100/25

C44

1910

2J

C4417

100/50

C43

02

100/

50

Q4302ANE5532AP

1

4 2

3

Q4302BNE5532AP

75

6

8

Q4301ANE5532AP

1

4 2

3

Q4301BNE5532AP

75

6

8

Q4303ANE5532AP

3

2 4

1

Q4303BNE5532AP

6

5

7

8

P4021A

1234567891011121314151617181920212223242526

P4020A

1234567891011121314151617181920212223242526

C4313 102J

D4401

UDZS9.1B

D4402

UDZS9.1B

R430222(1/2W)

P40

09

C4422

102J

P40

10

C4314 102J C4312 102J

P41

00

5

4

1

6

2

7

3

8

P41

01

8

6

7

4

5

3

1

2

JL40

13B

12345

JL40

14B

654321

Q4405CS3318VOLUME

37 OUT338 REFO339 IN340 REFI341 REFI242 IN243 REFO244 OUT245 VA+46 VA-47 OUT148 REFO1

1IN

12

RE

FI1

3R

ES

ET

4M

UT

E5

SC

L/C

CLK

6S

DA

/MO

SI

7A

D0/

CS

8E

NO

ut9

DG

ND

10V

D11

RE

FI8

12IN

8

13REFO8

14OUT8

15VA+

16VA-

17OUT7

18REFO7

19IN7

20REFI7

21REFI6

22IN6

23REFO6

24OUT6

25V

A+

26V

A-

27O

UT

5

28R

EF

O5

29IN

5

30R

EF

I5

31R

EF

I4

32IN

4

33R

EF

O4

34O

UT

4

35V

A+

36V

A-

R442022(1/2W)

RL45012 5

3 4

16

R4518

100K

R45

1939

Q45

032S

A96

5-Y

Q45

042S

A96

5-Y

Q45

01

2SC

2235

-Y

Q45022SC2235-Y

R44

092.

2KR

4410

330

R44

1133

0R

4412

2.2K

C4412 101JC4411 101JC4410 101JC4409 101J

R4419

22(1/2W)

R430122(1/2W)

R45

1347

(1/2

W)

R45

1547

(1/2

W)

R45

1647

(1/2

W)

R45

14

47(1

/2W

)

R44

0833

0

C4408 104Z

R44

0122

(1/2

W)

R44

02

22(1

/2W

)

R45

09

2.7K

R45

11

2.7K

R45

12

2.7K

R45

10

2.7K

-14.4V

+14.4V

+14.4V

-14.4V

+8.5V-8.5V

NAASP-9050(2/2) U06 AMPLIFIER PC BOARD

SURROUND

SURROUNDBACK

FRONTL

R

CENTER

SUB WOOFER

L

R

L

R

P41

10

10987654321

-15V+15V

P41

11

10987654321

TO N

AE

TC

-907

3S

D-1

4:F

2TO

NA

ET

C-9

073

SD

-14:

H2

TO N

AA

SP

-905

0(1/

2) S

D-1

TO N

AA

SP

-905

0(1/

2) S

D-1

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

AN

ALO

G S

WA

NA

LOG

SW

+8.5V

-8.5V

+14.4V

+14.4V

-14.4V

-14.4V

+14.4V

+14.4V

-14.4V

-14.4V

+12.0V

2 3 4 5 6 7 8 9 10 11 12 13 14 15161718192021222324252627282930

Page 12: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-2 (SD-2) AUDIO SECTION-2

A

1

2

3

4

5

B C D E F G H

VO

LSD

O

BTLRMCH_SBR

PZ2R

BTLLMCH_SBL

PZ2L

VIDEO5R

MainAR

MainAL

VIDEO5L

-15VV

OLC

S

HPDET

MCH_SW

VIDEOOUTLTAPEOUTL

MCH_SL

MCH_C

GND

GNDDG

MCH_SR

MainBL

MainBR

VIDEOOUTRTAPEOUTR

MIXL

MIXR

C

SR

SBR

R

L

SBL

SL

MIC

AD

RA

DL

GN

DA

UX

2

GN

DA

GN

DA

AU

X2_

LA

UX

2_R

-15V

A+

15V

A

DA

CF

LD

AC

FR

DA

CC

DA

CS

WD

AC

SL

DA

CS

R

DA

CS

BL

DA

CS

BR

DA

CS

WR

DA

CC

RA

SW

ST

B

GN

DA

GN

DD

GH

PD

ET

HP

RL

VO

LCS

VO

LSD

OV

OLC

LK

AM

UT

ES

BZ

2MU

TE

AS

WS

DO

AS

WC

LK

VO

LMU

TE

VO

LRS

T

SE

LST

BS

ELS

DO

SE

LCLK

Z2V

OLC

LKZ

2VO

LSD

O

Z2M

UT

E

TU

_L

SR

_RS

R_L

XM

_LT

U_R

TU

MU

TE

RE

CM

UT

E

Z3M

UT

E

GND

XM

_RG

ND

XM

SP

RLF

SP

RLS

B

+15V

FR

_SL

_SBL

FL

_FL

_FR

_C

_SW

_SBR

_SR

HP_R

HP_L

VO

LMU

TE

VO

LCLK

VO

LRS

T

Down Mix

HEADPHONE AMP

PR

E O

UT

TO N

ATR

M-9

055

SD

-7:C

2

+12VRLGND

GND+15V

+14.4V

-15V

-14.4V

TO N

AA

F-9

039

SD

-5:A

1TO

NA

DIS

-908

8(JL

4103

B)

SD

-13:

G2

TO NAAR-9075SD-8:F4

TO NAAR-9075SD-8:G4

C431647/50

R43

30

220K

R4324

10K

R4321

10K

R4322

10KR4328

10K

R4306 1.5KR4304180

R4303180

Q43

06N

JU73

11A

AN

ALO

G S

W

1V

EE L1 L2

L-C

OM

1L3 L4

L-C

OM

2 L5 L6L-

CO

M3

L7L-

CO

M4

NC

ST

VS

SC

KD

ATA

NC

R-C

OM

4R

7

R-C

OM

3R

6R

5

R-C

OM

2R

4R

3

R-C

OC

1R

2R

1V

DD

R4327

10K R4323

10KC431547/50

R46

41

220K

R46

42

220K

R46

43

220K

R46

44

220K

R46

45

220K

Q4621RN1441

R4661

100

R4651

220 Q4611

RN1441

Q4622RN1441

R4662

100Q4612

RN1441

Q4623RN1441

R4663

100

R4653

220

R4652

220

Q4613

RN1441

Q4624RN1441

R4664

100Q4614

RN1441

Q4625RN1441

R4665

100

R4655

220

R4654

220

Q4615

RN1441

R45

0422

0K

D45

04D

4502 1S

S35

2

D45

081S

S35

2

D4506

1SS

352

R4502

1.8K

C4502

47/50

R45

03

220K

D45

03

1SS

352

D45

07

D4505

1SS

352

R4507

5.6K

C440747/50

R4337 10K

R433910K

R433810K

R4340

10K

R434110K

R434210K

R4344

10K

R434510K

R4319

10K

R4320

10K

R4316

10K

R46

46

220K

R46

47

220K

Q4626RN1441

R4666

100Q4616

RN1441

Q4627RN1441

R4667

100

R4657

220

R4656

220

Q4617

RN1441

R4307 12K

R4308 12K

R45

052.2K

R45

06

2.2K

R4508

5.6K

R44

171.

8K

R4415

220K

C46

53

47/5

0

R44162.2K

C44

20

47/5

0

R4414220K

R4413

220K

R4309 2.2K

R4310 2.2K

R431112K

R431212K

R43132.2K

R4314 2.2K

R4315

10K

R44

1818

K

Q44032SC2712

Q44042SA1162

D4403

UD

Z3.

3B

R4501

1.8KC4501

47/50

D45

01

C4505104

D4509

1SS352

R46

40

220K

R4650

220

R4660

100Q4610

RN1441 Q4620RN1441

R43051.5K

Q44

06A

NE

5532

AP

4

1

8

32

Q44

06B

NE

5532

AP

765

C441510/50

C44

1410

/50

C441310/50

C440347/50

C440447/50

Q43

04N

JU73

12A

VS

SS

TN

CL-

CO

M3

L8L7L-

CO

M2

L6L5L4L-

CO

M1

L3L2L1

1V

EE

VD

DR

1R

2R

3R

-CO

M1

R4

R5

R6

R-C

OM

2

R7

R8

R-C

OM

3

NC

DAT

AC

K

Q4506

2SC2712

Q43

05N

JU73

13A

VS

SS

TN

C

L-C

OM

3L8L7

L-C

OM

2L6L5

L-C

OM

1L4L3L2L1

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15161718192021222324252627282930

VE

EV

DD

R1

R2

R3

R4

R-C

OM

1R

5R

6R

-CO

M2

R7

R8

R-C

OM

3N

CD

ATA

CK

Q4505BNE5532AP

6

57

Q4505A

NE5532AP3

2

4

1

8

R4335

10K

C432147/50

R4331

10K

R4336

10KC432247/50

R4332

10K

R43

47

220K

R43

48

220K

C46

31

221J

R46

8222

0KR

4683

220K

C46

3222

1JC

4633

221J

R46

8422

0KR

4685

220K

C46

3422

1JC

4635

221J

R46

8122

0KR

4686

220K

R46

8722

0K

C46

3622

1JC

4637

221J

R4696

47

R4697

47

R4695

47

R4694

47

R4693

47

R4692

47

R4691

47

C4421

102J

C4423104

C4424104

D4404 1SS352

D4405 1SS352

R46

8022

0K

R4690

47

C46

30

221J

Q44082SC2712

Q44072SC2712

R44

21

1.8K

R44

22

1.8K

C4650

47/50

C4655

47/50

C4651

47/50

C4652

47/50

Q44

012S

A95

0

R45

17

1.8K

Q44

022S

C21

20

R4671

10

R4670

10

R4672

10

R4673

10

R4674

10

R4675

10

R4676

10

R4677

10

C44

1610

/50

C4654

47/50

C4656

47/50

C4657

47/50

R4343

10K

R44032.2K

R44042.2K

R44

0633

0

R44

0533

0

C4405220/25

RL4401128

10

35 4

91

RL4402128

10

35 4

91

RL4403128

10

35 4

91

RL4404

128

10

35 4

91

P50

00

13121110987654321

C4311 102J

C4320102J

C4319 102J

C4503102J

C4504102J

R43

29

220K

R4407

1.2K(1/2W)

C4406220/25

C4401100/25

C4402100/25

C44

1910

2J

C4417

100/50

C43

02

100/

50

Q4302ANE5532AP

1

4 2

3

Q4302BNE5532AP

75

6

8

Q4301ANE5532AP

1

4 2

3

Q4301BNE5532AP

75

6

8

Q4303ANE5532AP

3

2 4

1

Q4303BNE5532AP

6

5

7

8

P4021A

1234567891011121314151617181920212223242526

P4020A

1234567891011121314151617181920212223242526

C4313 102J

D4401

UDZS9.1B

D4402

UDZS9.1B

R430222(1/2W)

P40

09C4422

102JP

4010

C4314 102J C4312 102J

P41

005

4

1

6

2

7

3

8

P41

01

8

6

7

4

5

3

1

2

JL40

13B

12345

JL40

14B

654321

Q4405CS3318VOLUME

37 OUT338 REFO339 IN340 REFI341 REFI242 IN243 REFO244 OUT245 VA+46 VA-47 OUT148 REFO1

1IN

12

RE

FI1

3R

ES

ET

4M

UT

E5

SC

L/C

CLK

6S

DA

/MO

SI

7A

D0/

CS

8E

NO

ut9

DG

ND

10V

D11

RE

FI8

12IN

8

13REFO8

14OUT8

15VA+

16VA-

17OUT7

18REFO7

19IN7

20REFI7

21REFI6

22IN6

23REFO6

24OUT6

25V

A+

26V

A-

27O

UT

5

28R

EF

O5

29IN

5

30R

EF

I5

31R

EF

I4

32IN

4

33R

EF

O4

34O

UT

4

35V

A+

36V

A-

R442022(1/2W)

RL45012 5

3 4

16

R4518

100K

R45

1939

Q45

032S

A96

5-Y

Q45

042S

A96

5-Y

Q45

01

2SC

2235

-Y

Q45022SC2235-Y

R44

092.

2KR

4410

330

R44

1133

0R

4412

2.2K

C4412 101JC4411 101JC4410 101JC4409 101J

R4419

22(1/2W)

R430122(1/2W)

R45

1347

(1/2

W)

R45

1547

(1/2

W)

R45

1647

(1/2

W)

R45

14

47(1

/2W

)

R44

0833

0

C4408 104Z

R44

0122

(1/2

W)

R44

02

22(1

/2W

)

R45

09

2.7K

R45

11

2.7K

R45

12

2.7K

R45

10

2.7K

-14.4V

+14.4V

+14.4V

-14.4V

+8.5V-8.5V

NAASP-9050(2/2) U06 AMPLIFIER PC BOARD

SURROUND

SURROUNDBACK

FRONTL

R

CENTER

SUB WOOFER

L

R

L

R

P41

10

10987654321

-15V+15V

P41

11

10987654321

TO N

AE

TC

-907

3S

D-1

4:F

2TO

NA

ET

C-9

073

SD

-14:

H2

TO N

AA

SP

-905

0(1/

2) S

D-1

TO N

AA

SP

-905

0(1/

2) S

D-1

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

AN

ALO

G S

WA

NA

LOG

SW

+8.5V

-8.5V

+14.4V

+14.4V

-14.4V

-14.4V

+14.4V

+14.4V

-14.4V

-14.4V

+12.0V

2 3 4 5 6 7 8 9 10 11 12 13 14 15161718192021222324252627282930

Page 13: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-3 (SD-3) POWER AMPLIFIER SECTION-1

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

+BR

-BR

+B1R

-B1R

NFR

+B2R

-B2R

+BSBR

-BSBR

+B1SBR

-B1SBR

NFSBR

+B2SBR

-B2SBR

+BSR

-BSR

+B1SR

-B1SR

NFSR

+B2SR

-B2SR

+BC

-BC

+B1C

-B1C

+B2C

-B2C

+BSL

-BSL

+B1SL

-B1SL

+B2SL

-B2SL

+BSBL

-BSBL

+B1SBL

-B1SBL

+B2SBL

-B2SBL

+BL

-BL

+B1L

-B1L

+B2L

-B2LFRONT L

SURROUNDBACK L

SURROUNDL

SURROUNDBACK R

SURROUNDR

CENTER

FRONT R

NACLA-9063

NACLA-9068

NACLA-9066

NACLA-9064

NACLA-9069

NACLA-9067

NACLA-9065NACLA-9063,66,68are fully compatible with each other.

NACLA-9064,65,67,69are fully compatible with each other.

TO N

AA

F-9

039

SD

-5:H

3

TO N

AA

F-9

039

SD

-5:H

3

TO N

AA

F-9

039

SD

-5:H

4TO

NA

AF

-903

9S

D-5

:H4

TO N

AA

F-9

039

SD

-5:H

5

TO N

AA

MP

-906

2S

D-4

:B1

TO N

AA

F-9

039

SD

-5:H

4TO

NA

AM

P-9

061

SD

-4:F

1TO

NA

AF

-903

9S

D-5

:H4

TO N

AA

MP

-906

1S

D-4

:F2

TO N

AA

F-9

039

SD

-5:H

5TO

NA

AM

P-9

061

SD

-4:F

3

TO N

AA

MP

-906

2S

D-4

:B2

TO N

AA

MP

-906

2S

D-4

:B3

TO N

AA

MP

-906

2S

D-4

:B4

TO N

AA

F-9

039

SD

-5:H

3TO

NA

AF

-903

9S

D-5

:H2

TO N

AA

F-9

039

SD

-5:H

1

TO N

AA

F-9

039

SD

-5:H

2TO

NA

AF

-903

9S

D-5

:H2

TO N

AA

F-9

039

SD

-5:H

1

-59.3V-11.0V

-1.1V

-11.

0V

P60

31B

123456

P60

11A1

234

P60

36B

123456

P60

16A

1234

P60

34B

123456

P60

14A1

234

P60

32B

123456

P60

12A1

234

P50

11A

123

P50

16A

123

P50

14A

123

P50

12A

123

P50

10A 1

23

P50

15A 1

23

P50

13A 1

23

P60

13A

1234

P60

33B

123456

P60

15A

1234

P60

35B

123456

P60

30B

123456

P60

10A

1234

R51

41

(1/4

W)

820

R50

4133

0

R50

11

56K

R52

9110

0K

D50

01M

TZ

J5.6

B

Q50

012S

C22

40-B

L

R50

31

330

R50

71

100K

R50

61

2.7K

Q50

112S

C22

40-B

L

R50

515.

6K

Q50

212S

C22

40-B

L

C5021

221K

R5001

1K

R51

71

(1/4

W)

820

R51

21

2.2K

R51

11

2.2K

Q50

612S

C22

40-B

L

Q50

71

2SC

2240

-BL

Q50

412S

A94

9YC

5081

22/6

3+

R52

21

18K

C51

0110

1K

R5181

(1/4W)33

R51

31

(1/4

W)

820

R51

61

(1/4

W)

1K

R52

11

18K

C51

3110

0/10

0

+

Q50

312S

A94

9Y

C51

21

100/

100

+C50

7110

/100+

R60

51

2.7K

R60

11

4.7K

R60

21

3.3K

R6111

10K C6001102J

R60

31

1.8K

Q60

212S

A93

3

R62

91

(1/4

W)

2.2

R63

01

(1/4

W)

2.2

Q61

012S

A19

30

R62

51

(1/4

W)

120

R62

61

(1/4

W)

120

Q60

412S

A94

9Y

Q60

11

2SC

1740

S_S

R5231

(1/4W)15

R5021

330

Q61

112S

C51

71

Q60

312S

C22

29Y

P50

21A

R5091

1.8K

R53

01

(1/4

W)

82

R53

31

(1/4

W)

82

C5011

47/50+

C50

4122

0/25

+

C50

51

10/5

0+

R62

81

(1/4

W)

18R

6271

(1/4

W)

18

R6311

(1/4W)10

R60

61

(1/4

W)

120

R5241 (1/4W)15

C60

21

47/5

0

R5261270K

R525156K C

6011

47/5

0

R53

6156

0KR

5371

120K C

5111

010D

R52

81

(1/2

W)

10K R51

51

(1/2

W)

10K

R60

41 1K

Q50

51

2SA

1360

Y

Q50

81

2SC

3423

-Y

R60

71

(1/4

W)

82

R51

46

(1/4

W)

820

R50

4633

0

R50

16

56K

R52

9610

0K

D50

06M

TZ

J5.6

B

Q50

062S

C22

40-B

L

R50

36 330

R50

76

100K

R50

66

2.7K

Q50

162S

C22

40-B

L

R50

56

5.6K

Q50

262S

C22

40-B

L

C5026

221K

R5006

1KR

5176

(1/4

W)

820

R51

26

2.2K

R51

16

2.2K

Q50

662S

C22

40-B

L

Q50

762S

C22

40-B

L

Q50

462S

A94

9YC

5086

22/6

3+

R52

2618

K

C51

0610

1K

R5186

(1/4W)33

R51

36

(1/4

W)

820

R51

66

(1/4

W)

1K

R52

16

18K

C51

36

100/

100

+

Q50

362S

A94

9Y

C51

26

100/

100

+C50

7610

/100+

R60

56

2.7K

R60

16

4.7K

R60

26

3.3K

R6116

10K C6006102J

R60

36

1.8K

Q60

262S

A93

3

R62

96

(1/4

W)

2.2

R63

06

(1/4

W)

2.2

Q61

062S

A19

30

R62

56

(1/4

W)

120

R62

66

(1/4

W)

120

Q60

462S

A94

9Y

Q60

162S

C17

40S

_S

R5236

(1/4W)15

R5026

330

Q61

162S

C51

71

Q60

362S

C22

29Y

P50

26A R5096

1.8K

R53

06

(1/4

W)

82

R53

36

(1/4

W)

82

C5016

47/50+

C50

4622

0/25

+

C50

56

10/5

0+

R62

86

(1/4

W)

18

R62

76

(1/4

W)

18

R6316

(1/4W)10

R60

66

(1/4

W)

120

R5246 (1/4W)15

C60

26

47/5

0

R5266270K

R525656K C

6016

47/5

0

R53

6656

0KR

5376

120K C

5116

010D

R52

86 (1/2

W)

10K R51

56

(1/2

W)

10K

R60

46 1K

Q50

56

2SA

1360

Y

Q50

86

2SC

3423

-Y

R60

76

(1/4

W)

82

R51

44

(1/4

W)

820

R50

4433

0

R50

14

56K

R52

9410

0K

D50

04M

TZ

J5.6

B

Q50

042S

C22

40-B

L

R50

3433

0

R50

74

100K

R50

64

2.7K

Q50

142S

C22

40-B

L

R50

54

5.6K

Q50

242S

C22

40-B

L

C5024

221K

R5004

1K

R51

74

(1/4

W)

820

R51

24

2.2K

R51

14

2.2K

Q50

642S

C22

40-B

L

Q50

742S

C22

40-B

L

Q50

442S

A94

9YC

5084

22/6

3+

R52

2418

K

C51

0410

1K

R5184

(1/4W)33

R51

34

(1/4

W)

820

R51

64

(1/4

W)

1K

R52

1418

KC

5134

100/

100

+

Q50

342S

A94

9Y

C51

24

100/

100

+

C50

7410

/100

+

R60

54

2.7K

R60

14

4.7K

R60

24

3.3K

R6114

10K C6004102J

R60

34

1.8K

Q60

24 2SA

933

R62

94

(1/4

W)

2.2

R63

04

(1/4

W)

2.2

Q61

042S

A19

30R62

54

(1/4

W)

120

R62

64

(1/4

W)

120

Q60

442S

A94

9Y

Q60

14

2SC

1740

S_S

R5234

(1/4W)15

R5024

330

Q61

142S

C51

71

Q60

342S

C22

29Y

P50

24A

R5094

1.8K

R53

04

(1/4

W)

82

R53

34

(1/4

W)

82

C5014

47/50+

C50

4422

0/25

+

C50

54

10/5

0+

R62

84

(1/4

W)

18

R62

74(1/4

W)

18

R6314

(1/4W)10

R60

64

(1/4

W)

120

R5244 (1/4W)15

C60

24

47/5

0

R5264270K

R525456K C

6014

47/5

0

R53

6456

0KR

5374

120K

C51

1401

0D

R52

84 (1/2

W)

10K R

5154

(1/2

W)

10K

R60

44

1K

Q50

54

2SA

1360

Y

Q50

84

2SC

3423

-Y

R60

74(1

/4W

)82

R51

42

(1/4

W)

820

R50

4233

0

R50

12

56K

R52

9210

0K

D50

02M

TZ

J5.6

B

Q50

022S

C22

40-B

L

R50

32 330

R50

72

100K

R50

62

2.7K

Q50

122S

C22

40-B

L

R50

52

5.6K

Q50

222S

C22

40-B

L

C5022221K

R5002

1K

R51

72

(1/4

W)

820

R51

22

2.2K

R51

12

2.2K

Q50

622S

C22

40-B

L

Q50

722S

C22

40-B

L

Q50

422S

A94

9YC

5082

22/6

3+

R52

22

18K

C51

0210

1K

R5182

(1/4W)33

R51

32

(1/4

W)

820

R51

62

(1/4

W)

1K

R52

12

18K

C51

3210

0/10

0

+

Q50

322S

A94

9Y

C51

22

100/

100

+

C50

7210

/100

+

R60

52

2.7K

R60

12

4.7K

R60

22

3.3K

R6112

10K C6002102J

R60

32

1.8K

Q60

222S

A93

3

R62

92

(1/4

W)

2.2

R63

02

(1/4

W)

2.2

Q61

022S

A19

30

R62

52

(1/4

W)

120

R62

62

(1/4

W)

120

Q60

422S

A94

9YQ60

122S

C17

40S

_S

R5232

(1/4W)15

R5022

330

Q61

122S

C51

71

Q60

322S

C22

29Y

P50

22A

R5092

1.8K

R53

02

(1/4

W)

82

R53

32

(1/4

W)

82

C5012

47/50+

C50

4222

0/25

+

C50

52

10/5

0+

R62

82

(1/4

W)

18

R62

72(1/4

W)

18

R6312

(1/4W)10

R60

62

(1/4

W)

120

R5242

(1/4W)15

C60

22

47/5

0

R5262270K

R525256K C

6012

47/5

0

R53

6256

0KR

5372

120K

C51

12

010D

R52

82

(1/2

W)

10K R

5152

(1/2

W)

10K

R60

42

1K

Q50

52

2SA

1360

Y

Q50

82

2SC

3423

-Y

R60

72(1

/4W

)82

R51

43

(1/4

W)

820

R50

4333

0

R50

13

56K

R52

9310

0K

D50

03M

TZ

J5.6

B

Q50

032S

C22

40-B

L

R50

33

330

R50

73

100K

R50

63

2.7K

Q50

132S

C22

40-B

L

R50

53

5.6K

Q50

232S

C22

40-B

L

C5023

221K

R5003

1K

R51

73

(1/4

W)

820

R51

23

2.2K

R51

13

2.2K

Q50

632S

C22

40-B

L

Q50

732S

C22

40-B

L

Q50

432S

A94

9YC

5083

22/6

3+

R52

23

18K

C51

0310

1K

R5183

(1/4W)33

R51

33

(1/4

W)

820

R51

63

(1/4

W)

1K

R52

13

18K

C51

33

100/

100

+

Q50

332S

A94

9Y

C51

23

100/

100

+

C50

7310

/100

+

R60

53

2.7K

R60

13

4.7K

R60

23

3.3K

R6113

10K C6003102J

R60

33

1.8K

Q60

23 2SA

933

R62

93

(1/4

W)

2.2

R63

03

(1/4

W)

2.2

Q61

032S

A19

30

R62

53

(1/4

W)

120

R62

63

(1/4

W)

120

Q60

432S

A94

9Y

Q60

132S

C17

40S

_S

R5233

(1/4W)15

R5023

330

Q61

132S

C51

71

Q60

332S

C22

29Y

P50

23A

R5093

1.8K

R53

03

(1/4

W)

82

R53

33

(1/4

W)

82

C5013

47/50+

C50

43

220/

25+

C50

53

10/5

0+

R62

83

(1/4

W)

18

R62

73

(1/4

W)

18

R6313

(1/4W)10

R60

63

(1/4

W)

120

R5243 (1/4W)15

C60

23

47/5

0

R5263270K

R525356K

C60

13

47/5

0

R53

6356

0KR

5373

120K C

5113

010D

R52

83

(1/2

W)

10K R

5153

(1/2

W)

10K

R60

43 1K

Q50

53

2SA

1360

Y

Q50

83

2SC

3423

-Y

R60

73

(1/4

W)

82

R51

45

(1/4

W)

820

R50

4533

0

R50

15

56K

R52

9510

0K

D50

05M

TZ

J5.6

B

Q50

052S

C22

40-B

L

R50

35

330

R50

75

100K

R50

65

2.7K

Q50

152S

C22

40-B

L

R50

555.

6K

Q50

252S

C22

40-B

L

C5025

221K

R5005

1K

R51

75

(1/4

W)

820

R51

25

2.2K

R51

15

2.2K

Q50

652S

C22

40-B

L

Q50

752S

C22

40-B

L

Q50

452S

A94

9YC

5085

22/6

3+

R52

2518

K

C51

0510

1K

R5185

(1/4W)33

R51

35

(1/4

W)

820

R51

65

(1/4

W)

1K

R52

15

18K

C51

35

100/

100

+

Q50

352S

A94

9Y

C51

25

100/

100

+

C50

7510

/100+

R60

55

2.7K

R60

15

4.7K

R60

25

3.3K

R6115

10K C6005102J

R60

35

1.8K

Q60

252S

A93

3

R62

95

(1/4

W)

2.2

R63

05

(1/4

W)

2.2

Q61

052S

A19

30

R62

55

(1/4

W)

120

R62

65

(1/4

W)

120

Q60

452S

A94

9Y

Q60

152S

C17

40S

_S

R5235

(1/4W)15

R5025

330

Q61

152S

C51

71

Q60

352S

C22

29Y

P50

25A R5095

1.8K

R53

05

(1/4

W)

82R

5335

(1/4

W)

82

C5015

47/50+

C50

4522

0/25

+

C50

55

10/5

0+

R62

85

(1/4

W)

18

R62

75

(1/4

W)

18

R6315

(1/4W)10

R60

65

(1/4

W)

120

R5245 (1/4W)15

C60

25

47/5

0

R5265270K

R525556K C

6015

47/5

0

R53

6556

0KR

5375

120K

C51

15

010D

R52

85

(1/2

W)

10K R

5155

(1/2

W)

10K

R60

45 1K

Q50

55

2SA

1360

Y

Q50

85

2SC

3423

-Y

R60

75

(1/4

W)

82

R51

40

(1/4

W)

820

R50

4033

0

R50

10

56K

R52

9010

0K

D50

00M

TZ

J5.6

B

Q50

002S

C22

40-B

L

R50

30

330

R50

70

100K

R50

60

2.7K

Q50

102S

C22

40-B

L

R50

505.

6K

Q50

202S

C22

40-B

L

C5020221K

R5000

1K

R51

70

(1/4

W)

820

R51

20

2.2K

R51

10

2.2K

Q50

602S

C22

40-B

L

Q50

702S

C22

40-B

L

Q50

402S

A94

9YC

5080

22/6

3+

R52

20

18K

C51

0010

1K

R5180

(1/4W)33

R51

30

(1/4

W)

820

R51

60

(1/4

W)

1K

R52

10

18K

C51

3010

0/10

0

+

Q50

302S

A94

9Y

C51

20

100/

100

+

C50

7010

/100

+

R60

50

2.7K

R60

10

4.7K

R60

20

3.3K

R6110

10K C6000102J

R60

30

1.8K

Q60

20 2SA

933

R62

90

(1/4

W)

2.2

R63

00

(1/4

W)

2.2

Q61

002S

A19

30

R62

50

(1/4

W)

120

R62

60

(1/4

W)

120

Q60

402S

A94

9Y

Q60

102S

C17

40S

_S

R5230

(1/4W)15

R5020

330

Q61

102S

C51

71

Q60

302S

C22

29Y

P50

20A

R5090

1.8K

R53

00

(1/4

W)

82

R53

30

(1/4

W)

82

C5010

47/50+

C50

4022

0/25

+

C50

50

10/5

0+

R62

80

(1/4

W)

18

R62

70(1/4

W)

18

R6310

(1/4W)10

R60

60

(1/4

W)

120

R5240(1/4W)

15

C60

20

47/5

0

R5260270K

R525056K C

6010

47/5

0

R53

6056

0KR

5370

120K C

5110

010D

R52

80

(1/2

W)

10K R

5150 (1/2

W)

10K

R60

401K

Q50

50

2SA

1360

Y

Q50

80

2SC

3423

-Y

R60

70(1

/4W

)82

U18 DRIVER AMPPC BOARD

U23 DRIVER AMPPC BOARD

U21 DRIVER AMPPC BOARD

U19 DRIVER AMPPC BOARD

U24 DRIVER AMPPC BOARD

U22 DRIVER AMPPC BOARD

U20 DRIVER AMPPC BOARD

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

+65V

-0.6V

+0.6V

-65V

-1.1V

+1.1V

+64.8V

+62.8V+

53.3

V

+62.8V

+52.7V

-0.6V

-0.9V

+64

.0V

+63.4V

0.0V

-63.3V

-64.8V

+65V

-0.6V

+0.6V

-65V

-1.1V

+1.1V

+64.8V

+62.8V

+53

.3V

+62.8V

+52.7V

-0.6V

-0.9V

+64

.0V

+63.4V

0.0V

-63.3V

-64.8V

+65V

-0.6V

+0.6V

-65V

-1.1V

+1.1V

+64.8V

+62.8V

+53

.3V

+62.8V

+52.7V

-0.6V

-0.9V

+64

.0V

+63.4V

0.0V

-63.3V

-64.8V

-59.3V-11.0V

-59.3V-11.0V

+65V

-0.6V

+0.6V

-65V

-1.1V

+1.1V

+64.8V

+62.8V

+53

.3V

+62.8V

+52.7V

-0.6V

-0.9V

+64

.0V

+63.4V

0.0V

-63.3V

-64.8V

-59.3V-11.0V

+65V

-0.6V

+0.6V

-65V

-1.1V

+1.1V

+64.8V

+62.8V

+53

.3V

+62.8V

+52.7V

-0.6V

-0.9V

+64

.0V

+63.4V

0.0V

-63.3V

-64.8V

-59.3V-11.0V

+65V

-0.6V

+0.6V

-65V

-1.1V

+1.1V

+64.8V

+62.8V

+53

.3V

+62.8V

+52.7V

-0.6V

-0.9V

+64

.0V

+63.4V

0.0V

-63.3V

-64.8V

-59.3V-11.0V

+65V

-0.6V

+0.6V

-65V

-1.1V

+1.1V

+64.8V

+62.8V

+53

.3V

+62.8V

+52.7V

-0.6V

-0.9V

+64

.0V

+63.4V

0.0V

-63.3V

-64.8V

-59.3V-11.0V

IDLINGADJ.

IDLINGADJ.

IDLINGADJ.

IDLINGADJ.

IDLINGADJ.

IDLINGADJ.

IDLINGADJ.

Page 14: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-3 (SD-3) POWER AMPLIFIER SECTION-1

A

1

2

3

4

5

B C D E F G H

+BR

-BR

+B1R

-B1R

NFR

+B2R

-B2R

+BSBR

-BSBR

+B1SBR

-B1SBR

NFSBR

+B2SBR

-B2SBR

+BSR

-BSR

+B1SR

-B1SR

NFSR

+B2SR

-B2SR

+BC

-BC

+B1C

-B1C

+B2C

-B2C

+BSL

-BSL

+B1SL

-B1SL

+B2SL

-B2SL

+BSBL

-BSBL

+B1SBL

-B1SBL

+B2SBL

-B2SBL

+BL

-BL

+B1L

-B1L

+B2L

-B2LFRONT L

SURROUNDBACK L

SURROUNDL

SURROUNDBACK R

SURROUNDR

CENTER

FRONT R

NACLA-9063

NACLA-9068

NACLA-9066

NACLA-9064

NACLA-9069

NACLA-9067

NACLA-9065NACLA-9063,66,68are fully compatible with each other.

NACLA-9064,65,67,69are fully compatible with each other.

TO N

AA

F-9

039

SD

-5:H

3

TO N

AA

F-9

039

SD

-5:H

3

TO N

AA

F-9

039

SD

-5:H

4TO

NA

AF

-903

9S

D-5

:H4

TO N

AA

F-9

039

SD

-5:H

5

TO N

AA

MP

-906

2S

D-4

:B1

TO N

AA

F-9

039

SD

-5:H

4TO

NA

AM

P-9

061

SD

-4:F

1TO

NA

AF

-903

9S

D-5

:H4

TO N

AA

MP

-906

1S

D-4

:F2

TO N

AA

F-9

039

SD

-5:H

5TO

NA

AM

P-9

061

SD

-4:F

3

TO N

AA

MP

-906

2S

D-4

:B2

TO N

AA

MP

-906

2S

D-4

:B3

TO N

AA

MP

-906

2S

D-4

:B4

TO N

AA

F-9

039

SD

-5:H

3TO

NA

AF

-903

9S

D-5

:H2

TO N

AA

F-9

039

SD

-5:H

1

TO N

AA

F-9

039

SD

-5:H

2TO

NA

AF

-903

9S

D-5

:H2

TO N

AA

F-9

039

SD

-5:H

1

-59.3V-11.0V

-1.1V

-11.

0V

P60

31B

123456

P60

11A1

234

P60

36B

123456

P60

16A

1234

P60

34B

123456

P60

14A1

234

P60

32B

123456

P60

12A1

234

P50

11A

123

P50

16A

123

P50

14A

123

P50

12A

123

P50

10A 1

23

P50

15A 1

23

P50

13A 1

23

P60

13A

1234

P60

33B

123456

P60

15A

1234

P60

35B

123456

P60

30B

123456

P60

10A

1234

R51

41

(1/4

W)

820

R50

4133

0

R50

11

56K

R52

9110

0K

D50

01M

TZ

J5.6

B

Q50

012S

C22

40-B

L

R50

31

330

R50

71

100K

R50

61

2.7K

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112S

C22

40-B

L

R50

515.

6K

Q50

212S

C22

40-B

L

C5021

221K

R5001

1K

R51

71

(1/4

W)

820

R51

21

2.2K

R51

11

2.2K

Q50

612S

C22

40-B

L

Q50

71

2SC

2240

-BL

Q50

412S

A94

9YC

5081

22/6

3+

R52

21

18K

C51

0110

1K

R5181

(1/4W)33

R51

31

(1/4

W)

820

R51

61

(1/4

W)

1K

R52

11

18K

C51

3110

0/10

0

+

Q50

312S

A94

9Y

C51

21

100/

100

+C50

7110

/100+

R60

51

2.7K

R60

11

4.7K

R60

21

3.3K

R6111

10K C6001102J

R60

31

1.8K

Q60

212S

A93

3

R62

91

(1/4

W)

2.2

R63

01

(1/4

W)

2.2

Q61

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A19

30

R62

51

(1/4

W)

120

R62

61

(1/4

W)

120

Q60

412S

A94

9Y

Q60

11

2SC

1740

S_S

R5231

(1/4W)15

R5021

330

Q61

112S

C51

71

Q60

312S

C22

29Y

P50

21A

R5091

1.8K

R53

01

(1/4

W)

82

R53

31

(1/4

W)

82

C5011

47/50+

C50

4122

0/25

+

C50

51

10/5

0+

R62

81

(1/4

W)

18R

6271

(1/4

W)

18

R6311

(1/4W)10

R60

61

(1/4

W)

120

R5241 (1/4W)15

C60

21

47/5

0

R5261270K

R525156K C

6011

47/5

0

R53

6156

0KR

5371

120K C

5111

010D

R52

81

(1/2

W)

10K R51

51

(1/2

W)

10K

R60

41 1K

Q50

51

2SA

1360

Y

Q50

81

2SC

3423

-Y

R60

71

(1/4

W)

82

R51

46

(1/4

W)

820

R50

4633

0

R50

16

56K

R52

9610

0K

D50

06M

TZ

J5.6

B

Q50

062S

C22

40-B

L

R50

36 330

R50

76

100K

R50

66

2.7K

Q50

162S

C22

40-B

L

R50

56

5.6K

Q50

262S

C22

40-B

L

C5026

221K

R5006

1K

R51

76

(1/4

W)

820

R51

26

2.2K

R51

16

2.2K

Q50

662S

C22

40-B

L

Q50

762S

C22

40-B

L

Q50

462S

A94

9YC

5086

22/6

3+

R52

2618

K

C51

0610

1K

R5186

(1/4W)33

R51

36

(1/4

W)

820

R51

66

(1/4

W)

1K

R52

16

18K

C51

36

100/

100

+

Q50

362S

A94

9Y

C51

26

100/

100

+C50

7610

/100+

R60

56

2.7K

R60

16

4.7K

R60

26

3.3K

R6116

10K C6006102J

R60

36

1.8K

Q60

262S

A93

3

R62

96

(1/4

W)

2.2

R63

06

(1/4

W)

2.2

Q61

062S

A19

30

R62

56

(1/4

W)

120

R62

66

(1/4

W)

120

Q60

462S

A94

9Y

Q60

162S

C17

40S

_S

R5236

(1/4W)15

R5026

330

Q61

162S

C51

71

Q60

362S

C22

29Y

P50

26A R5096

1.8K

R53

06

(1/4

W)

82

R53

36

(1/4

W)

82

C5016

47/50+

C50

4622

0/25

+

C50

56

10/5

0+

R62

86

(1/4

W)

18

R62

76

(1/4

W)

18

R6316

(1/4W)10

R60

66

(1/4

W)

120

R5246 (1/4W)15

C60

26

47/5

0

R5266270K

R525656K C

6016

47/5

0

R53

6656

0KR

5376

120K C

5116

010D

R52

86 (1/2

W)

10K R51

56

(1/2

W)

10K

R60

46 1K

Q50

56

2SA

1360

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Q50

86

2SC

3423

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R60

76

(1/4

W)

82

R51

44

(1/4

W)

820

R50

4433

0

R50

14

56K

R52

9410

0K

D50

04M

TZ

J5.6

B

Q50

042S

C22

40-B

L

R50

3433

0

R50

74

100K

R50

64

2.7K

Q50

142S

C22

40-B

L

R50

54

5.6K

Q50

242S

C22

40-B

L

C5024

221K

R5004

1K

R51

74

(1/4

W)

820

R51

24

2.2K

R51

14

2.2K

Q50

642S

C22

40-B

L

Q50

742S

C22

40-B

L

Q50

442S

A94

9YC

5084

22/6

3+

R52

2418

K

C51

0410

1K

R5184

(1/4W)33

R51

34

(1/4

W)

820

R51

64

(1/4

W)

1K

R52

1418

KC

5134

100/

100

+

Q50

342S

A94

9Y

C51

24

100/

100

+

C50

7410

/100

+

R60

54

2.7K

R60

14

4.7K

R60

24

3.3K

R6114

10K C6004102J

R60

34

1.8K

Q60

24 2SA

933

R62

94

(1/4

W)

2.2

R63

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(1/4

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2.2

Q61

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30R62

54

(1/4

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R62

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(1/4

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120

Q60

442S

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9Y

Q60

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2SC

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R5234

(1/4W)15

R5024

330

Q61

142S

C51

71

Q60

342S

C22

29Y

P50

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R5094

1.8K

R53

04

(1/4

W)

82

R53

34

(1/4

W)

82

C5014

47/50+

C50

4422

0/25

+

C50

54

10/5

0+

R62

84

(1/4

W)

18

R62

74(1/4

W)

18

R6314

(1/4W)10

R60

64

(1/4

W)

120

R5244 (1/4W)15

C60

24

47/5

0

R5264270K

R525456K C

6014

47/5

0

R53

6456

0KR

5374

120K

C51

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0D

R52

84 (1/2

W)

10K R

5154

(1/2

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10K

R60

44

1K

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Q50

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R60

74(1

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R51

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(1/4

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820

R50

4233

0

R50

12

56K

R52

9210

0K

D50

02M

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J5.6

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Q50

022S

C22

40-B

L

R50

32 330

R50

72

100K

R50

62

2.7K

Q50

122S

C22

40-B

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R50

52

5.6K

Q50

222S

C22

40-B

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C5022221K

R5002

1K

R51

72

(1/4

W)

820

R51

22

2.2K

R51

12

2.2K

Q50

622S

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Q50

722S

C22

40-B

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Q50

422S

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9YC

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22/6

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R52

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18K

C51

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1K

R5182

(1/4W)33

R51

32

(1/4

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R51

62

(1/4

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1K

R52

12

18K

C51

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0/10

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C51

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100/

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R60

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R60

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4.7K

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3.3K

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R62

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R53

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R53

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C50

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R62

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(1/4

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R62

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R6312

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R60

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R5242

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C60

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R5262270K

R525256K C

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120K

C51

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R50

33

330

R50

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100K

R50

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2.7K

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5.6K

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C5023

221K

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R51

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(1/4

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R51

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2.2K

R51

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R51

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100/

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(1/4W)15

R5023

330

Q61

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C51

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Q60

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R5093

1.8K

R53

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(1/4

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82

R53

33

(1/4

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82

C5013

47/50+

C50

43

220/

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C50

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10/5

0+

R62

83

(1/4

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18

R62

73

(1/4

W)

18

R6313

(1/4W)10

R60

63

(1/4

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120

R5243 (1/4W)15

C60

23

47/5

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R5263270K

R525356K

C60

13

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R53

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120K C

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R52

83

(1/2

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10K R

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(1/2

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10K

R60

43 1K

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R60

73

(1/4

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R51

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(1/4

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R50

4533

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R50

15

56K

R52

9510

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05M

TZ

J5.6

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052S

C22

40-B

L

R50

35

330

R50

75

100K

R50

65

2.7K

Q50

152S

C22

40-B

L

R50

555.

6K

Q50

252S

C22

40-B

L

C5025

221K

R5005

1K

R51

75

(1/4

W)

820

R51

25

2.2K

R51

15

2.2K

Q50

652S

C22

40-B

L

Q50

752S

C22

40-B

L

Q50

452S

A94

9YC

5085

22/6

3+

R52

2518

K

C51

0510

1K

R5185

(1/4W)33

R51

35

(1/4

W)

820

R51

65

(1/4

W)

1K

R52

15

18K

C51

35

100/

100

+

Q50

352S

A94

9Y

C51

25

100/

100

+

C50

7510

/100+

R60

55

2.7K

R60

15

4.7K

R60

25

3.3K

R6115

10K C6005102J

R60

35

1.8K

Q60

252S

A93

3

R62

95

(1/4

W)

2.2

R63

05

(1/4

W)

2.2

Q61

052S

A19

30

R62

55

(1/4

W)

120

R62

65

(1/4

W)

120

Q60

452S

A94

9Y

Q60

152S

C17

40S

_S

R5235

(1/4W)15

R5025

330

Q61

152S

C51

71

Q60

352S

C22

29Y

P50

25A R5095

1.8K

R53

05

(1/4

W)

82R

5335

(1/4

W)

82

C5015

47/50+

C50

4522

0/25

+

C50

55

10/5

0+

R62

85

(1/4

W)

18

R62

75

(1/4

W)

18

R6315

(1/4W)10

R60

65

(1/4

W)

120

R5245 (1/4W)15

C60

25

47/5

0

R5265270K

R525556K C

6015

47/5

0

R53

6556

0KR

5375

120K

C51

15

010D

R52

85

(1/2

W)

10K R

5155

(1/2

W)

10K

R60

45 1K

Q50

55

2SA

1360

Y

Q50

85

2SC

3423

-Y

R60

75

(1/4

W)

82

R51

40

(1/4

W)

820

R50

4033

0

R50

10

56K

R52

9010

0K

D50

00M

TZ

J5.6

B

Q50

002S

C22

40-B

L

R50

30

330

R50

70

100K

R50

60

2.7K

Q50

102S

C22

40-B

L

R50

505.

6K

Q50

202S

C22

40-B

L

C5020221K

R5000

1K

R51

70

(1/4

W)

820

R51

20

2.2K

R51

10

2.2K

Q50

602S

C22

40-B

L

Q50

702S

C22

40-B

L

Q50

402S

A94

9YC

5080

22/6

3+

R52

20

18K

C51

0010

1K

R5180

(1/4W)33

R51

30

(1/4

W)

820

R51

60

(1/4

W)

1K

R52

10

18K

C51

3010

0/10

0

+

Q50

302S

A94

9Y

C51

20

100/

100

+

C50

7010

/100

+

R60

50

2.7K

R60

10

4.7K

R60

20

3.3K

R6110

10K C6000102J

R60

30

1.8K

Q60

20 2SA

933

R62

90

(1/4

W)

2.2

R63

00

(1/4

W)

2.2

Q61

002S

A19

30

R62

50

(1/4

W)

120

R62

60

(1/4

W)

120

Q60

402S

A94

9Y

Q60

102S

C17

40S

_S

R5230

(1/4W)15

R5020

330

Q61

102S

C51

71

Q60

302S

C22

29Y

P50

20A

R5090

1.8K

R53

00

(1/4

W)

82

R53

30

(1/4

W)

82

C5010

47/50+

C50

4022

0/25

+

C50

50

10/5

0+

R62

80

(1/4

W)

18

R62

70(1/4

W)

18

R6310

(1/4W)10

R60

60

(1/4

W)

120

R5240(1/4W)

15

C60

20

47/5

0

R5260270K

R525056K C

6010

47/5

0

R53

6056

0KR

5370

120K C

5110

010D

R52

80

(1/2

W)

10K R

5150 (1/2

W)

10K

R60

401K

Q50

50

2SA

1360

Y

Q50

80

2SC

3423

-Y

R60

70(1

/4W

)82

U18 DRIVER AMPPC BOARD

U23 DRIVER AMPPC BOARD

U21 DRIVER AMPPC BOARD

U19 DRIVER AMPPC BOARD

U24 DRIVER AMPPC BOARD

U22 DRIVER AMPPC BOARD

U20 DRIVER AMPPC BOARD

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

+65V

-0.6V

+0.6V

-65V

-1.1V

+1.1V

+64.8V

+62.8V

+53

.3V

+62.8V

+52.7V

-0.6V

-0.9V

+64

.0V

+63.4V

0.0V

-63.3V

-64.8V

+65V

-0.6V

+0.6V

-65V

-1.1V

+1.1V

+64.8V

+62.8V

+53

.3V

+62.8V

+52.7V

-0.6V

-0.9V

+64

.0V

+63.4V

0.0V

-63.3V

-64.8V

+65V

-0.6V

+0.6V

-65V

-1.1V

+1.1V

+64.8V

+62.8V

+53

.3V

+62.8V

+52.7V

-0.6V

-0.9V

+64

.0V

+63.4V

0.0V

-63.3V

-64.8V

-59.3V-11.0V

-59.3V-11.0V

+65V

-0.6V

+0.6V

-65V

-1.1V

+1.1V

+64.8V

+62.8V

+53

.3V

+62.8V

+52.7V

-0.6V

-0.9V

+64

.0V

+63.4V

0.0V

-63.3V

-64.8V

-59.3V-11.0V

+65V

-0.6V

+0.6V

-65V

-1.1V

+1.1V

+64.8V

+62.8V

+53

.3V

+62.8V

+52.7V

-0.6V

-0.9V

+64

.0V

+63.4V

0.0V

-63.3V

-64.8V

-59.3V-11.0V

+65V

-0.6V

+0.6V

-65V

-1.1V

+1.1V

+64.8V

+62.8V

+53

.3V

+62.8V

+52.7V

-0.6V

-0.9V

+64

.0V

+63.4V

0.0V

-63.3V

-64.8V

-59.3V-11.0V

+65V

-0.6V

+0.6V

-65V

-1.1V

+1.1V

+64.8V

+62.8V

+53

.3V

+62.8V

+52.7V

-0.6V

-0.9V

+64

.0V

+63.4V

0.0V

-63.3V

-64.8V

-59.3V-11.0V

IDLINGADJ.

IDLINGADJ.

IDLINGADJ.

IDLINGADJ.

IDLINGADJ.

IDLINGADJ.

IDLINGADJ.

Page 15: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-4 (SD-4) POWER AMPLIFIER SECTION-2

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

+B -B

NFL

-B1L

+B1L

SPL

NFSBL

-B1SBL

+B1SBL

SPSBL

NFSL

-B1SL

+B1SL

SPSL

NFR

-B1R

+B1R

SPR

NFSBR

-B1SBR

+B1SBR

SPSBR

NFSR

-B1SR

+B1SR

SPSR

NFC

-B1C

+B1C

SPC

+B

PO

WE

R S

UP

PLY

-B P

OW

ER

SU

PP

LY

(CO

PP

ER

BU

S P

LAT

E)

+B

PO

WE

R S

UP

PLY

-B P

OW

ER

SU

PP

LY

(CO

PP

ER

BU

S P

LAT

E)

FRONT L

SURROUND BACKL

SURROUND LSURROUND R

SURROUND BACKR

FRONT R

CENTER

VO

LHV

PR

OIP

RO

VO

LHV

PR

OIP

RO

NAAMP-9062 NAAMP-9061

TO N

AC

LA-9

064

SD

-3:D

2

TO N

AC

LA-9

063

SD

-3:H

2TO

NA

CLA

-906

8S

D-3

:H3

TO N

AC

LA-9

066

SD

-3:H

4

TO NAAF-9039SD-5:F3

TO NAAF-9039SD-5:F3

TO N

AC

LA-9

069

SD

-3:D

3TO

NA

CLA

-906

7S

D-3

:D4

TO N

AC

LA-9

065

SD

-3:D

5

TO N

ATR

M-9

055

SD

-7:D

5

TO N

ATR

M-9

055

SD

-7:D

5TO

NAT

RM

-905

5S

D-7

:D5

TO N

ATR

M-9

055

SD

-7:D

5

TO N

ATR

M-9

055

SD

-7:D

5TO

NAT

RM

-905

5S

D-7

:D5

TO N

ATR

M-9

055

SD

-7:D

5

TO NAAF-9039SD-5:E3

ID-ID+

IPRO

VPRO

VOLH

ID-ID+

IPRO

VPRO

VOLH

ID-ID+

IPRO

VPRO

VOLH

ID-ID+

IPRO

VPRO

VOLH

ID-ID+

IPRO

VPRO

VOLH

ID-ID+

IPRO

VPRO

VOLH

ID-ID+

IPRO

VPRO

VOLH

P62

50A

P62

50D

P62

50B

P62

50C

P62

40C

P62

40B

P62

40A

P6042A

321

JL60

42B

123

JL6041B

1 2 3

P63

50B

P63

50C

P63

40B

P63

40C

P60

30A

654321

P60

35A

654321

P60

33A

654321

P60

31A

654321

P60

36A

654321

P60

34A

654321

P60

32A

654321

P6350A

1 2

P6340A

1 2

R6230

47K

R621047K

R61

70

33K

Q60

702S

C22

40

R6660

R6160R6150

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

R6650

C60

4022

3J

R6340

R6360

R6350

R6330

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

P6070

1

R6090

R6180

12K

L6000

L6010

R64

000.

22(5

W)

R64

100.

22(5

W)

D60001SS133

R608010(1/4W)

10(1/4W)

10(1/4W)

10(1/4W)

10(1/4W)

10(1/4W)

R61

90

5.6K

P6050

Q60502SC5242

1

P6080

Q60802SC5242

1

P6060

Q60602SA1962

1

P6090

Q60902SA1962

1

R6235

47K

R621547K

R61

75

33K

Q60

752S

C22

40

R6665

R6165R6155

R6655

C60

4522

3J

R6345

R6365

R6355

R6335

P6075

1

R6095

R6185

12K

L6005

L6015

R64

050.

22(5

W)

R64

150.

22(5

W)

D60051SS133

R6085

R61

95

5.6K

P6055

Q60552SC5242

1

P6085

Q60852SC5242

1

P6065

Q60652SA1962

1

P6095

Q60952SA1962

1

R6233

47K

R621347K

R61

73

33K

Q60

732S

C22

40

R6663

R6163R6153

R6653

C60

4322

3J

R6343

R6363

R6353

R6333

P6073

1

R6093

R6183

12K

L6003

L6013

R64

030.

22(5

W)

R64

130.

22(5

W)

D60031SS133

R6083

R61

93

5.6K

P6053

Q60532SC5242

1

P6083

Q60832SC5242

1

P6063

Q60632SA1962

1

P6093

Q60932SA1962

1

R6231

47K

R621147K

R61

71

33K

Q60

712S

C22

40

R6661

R6161R6151

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

R6651 C60

4122

3J

R6341

R6361

R6351

R6331

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

P6071

1

R6091

R6181

12K

L6001

L6011

R64

010.

22(5

W)

R64

110.

22(5

W)

D60011SS133

R608110(1/4W)

10(1/4W)

10(1/4W)

10(1/4W)

10(1/4W)

10(1/4W)

10(1/4W)

10(1/4W)

R61

91

5.6K

P6051

Q60512SC5242

1

P6081

Q60812SC5242

1

P6061

Q60612SA1962

1

P6091

Q60912SA1962

1

R6236

47K

R621647K

R61

76

33K

Q60

762S

C22

40

R6666

R6166R6156

R6656

C60

4622

3J

R6346

R6366

R6356

R6336

P6076

1

R6096

R6186

12K

L6006

L6016

R64

060.

22(5

W)

R64

160.

22(5

W)

D60061SS133

R6086

R61

96

5.6K

P6056

Q60562SC5242

1

P6086

Q60862SC5242

1

P6066

Q60662SA1962

1

P6096

Q60962SA1962

1

R6234

47K

R621447K

R61

74

33K

Q60

742S

C22

40

R6664

R6164R6154

R6654

C60

4422

3J

R6344

R6364

R6354

R6334

P6074

1

R6094

R6184

12K

L6004

L6014

R64

040.

22(5

W)

R64

140.

22(5

W)

D60041SS133

R6084

R61

94

5.6K

P6054

Q60542SC5242

1

P6084

Q60842SC5242

1

P6064

Q60642SA1962

1

P6094

Q60942SA1962

1

R6232

47K

R621247K

R61

72

33K

Q60

722S

C22

40

R6662

R6162R6152

R6652

C60

4222

3J

R6342

R6362

R6352

R6332

P6072

1

R6092

R6182

12K

L6002

L6012

R64

020.

22(5

W)

R64

120.

22(5

W)

D60021SS133

R6082

R61

92

5.6K

P6052

Q60522SC5242

1

P6082

Q60822SC5242

1

P6062

Q60622SA1962

1

P6092

Q60922SA1962

1

U16 POWER AMPPC BOARD

U17 POWER AMPPC BOARD

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

+65V

-65V

+0.6V

-0.6V

0.0V

+65V

-65V

+0.6V

-0.6V

0.0V

+65V

-65V

+0.6V

-0.6V

0.0V

+65V

-65V

+0.6V

-0.6V

0.0V

+65V

-65V

+0.6V

-0.6V

0.0V

+65V

-65V

+0.6V

-0.6V

0.0V

+65V

-65V

+0.6V

-0.6V

0.0V

Page 16: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-4 (SD-4) POWER AMPLIFIER SECTION-2

A

1

2

3

4

5

B C D E F G H

+B -B

NFL

-B1L

+B1L

SPL

NFSBL

-B1SBL

+B1SBL

SPSBL

NFSL

-B1SL

+B1SL

SPSL

NFR

-B1R

+B1R

SPR

NFSBR

-B1SBR

+B1SBR

SPSBR

NFSR

-B1SR

+B1SR

SPSR

NFC

-B1C

+B1C

SPC

+B

PO

WE

R S

UP

PLY

-B P

OW

ER

SU

PP

LY

(CO

PP

ER

BU

S P

LAT

E)

+B

PO

WE

R S

UP

PLY

-B P

OW

ER

SU

PP

LY

(CO

PP

ER

BU

S P

LAT

E)

FRONT L

SURROUND BACKL

SURROUND LSURROUND R

SURROUND BACKR

FRONT R

CENTER

VO

LHV

PR

OIP

RO

VO

LHV

PR

OIP

RO

NAAMP-9062 NAAMP-9061

TO N

AC

LA-9

064

SD

-3:D

2

TO N

AC

LA-9

063

SD

-3:H

2TO

NA

CLA

-906

8S

D-3

:H3

TO N

AC

LA-9

066

SD

-3:H

4

TO NAAF-9039SD-5:F3

TO NAAF-9039SD-5:F3

TO N

AC

LA-9

069

SD

-3:D

3TO

NA

CLA

-906

7S

D-3

:D4

TO N

AC

LA-9

065

SD

-3:D

5

TO N

ATR

M-9

055

SD

-7:D

5

TO N

ATR

M-9

055

SD

-7:D

5TO

NAT

RM

-905

5S

D-7

:D5

TO N

ATR

M-9

055

SD

-7:D

5

TO N

ATR

M-9

055

SD

-7:D

5TO

NAT

RM

-905

5S

D-7

:D5

TO N

ATR

M-9

055

SD

-7:D

5

TO NAAF-9039SD-5:E3

ID-ID+

IPRO

VPRO

VOLH

ID-ID+

IPRO

VPRO

VOLH

ID-ID+

IPRO

VPRO

VOLH

ID-ID+

IPRO

VPRO

VOLH

ID-ID+

IPRO

VPRO

VOLH

ID-ID+

IPRO

VPRO

VOLH

ID-ID+

IPRO

VPRO

VOLH

P62

50A

P62

50D

P62

50B

P62

50C

P62

40C

P62

40B

P62

40A

P6042A

321

JL60

42B

123

JL6041B

1 2 3

P63

50B

P63

50C

P63

40B

P63

40C

P60

30A

654321

P60

35A

654321

P60

33A

654321

P60

31A

654321

P60

36A

654321

P60

34A

654321

P60

32A

654321

P6350A

1 2

P6340A

1 2

R6230

47K

R621047K

R61

70

33K

Q60

702S

C22

40

R6660

R6160R6150

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

R6650

C60

4022

3J

R6340

R6360

R6350

R6330

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

P6070

1

R6090

R6180

12K

L6000

L6010

R64

000.

22(5

W)

R64

100.

22(5

W)

D60001SS133

R608010(1/4W)

10(1/4W)

10(1/4W)

10(1/4W)

10(1/4W)

10(1/4W)

R61

90

5.6K

P6050

Q60502SC5242

1

P6080

Q60802SC5242

1

P6060

Q60602SA1962

1

P6090

Q60902SA1962

1

R6235

47K

R621547K

R61

75

33K

Q60

752S

C22

40

R6665

R6165R6155

R6655

C60

4522

3J

R6345

R6365

R6355

R6335

P6075

1

R6095

R6185

12K

L6005

L6015

R64

050.

22(5

W)

R64

150.

22(5

W)

D60051SS133

R6085

R61

95

5.6K

P6055

Q60552SC5242

1

P6085

Q60852SC5242

1

P6065

Q60652SA1962

1

P6095

Q60952SA1962

1

R6233

47K

R621347K

R61

73

33K

Q60

732S

C22

40

R6663

R6163R6153

R6653

C60

4322

3J

R6343

R6363

R6353

R6333

P6073

1

R6093

R6183

12K

L6003

L6013

R64

030.

22(5

W)

R64

130.

22(5

W)

D60031SS133

R6083

R61

93

5.6K

P6053

Q60532SC5242

1

P6083

Q60832SC5242

1

P6063

Q60632SA1962

1

P6093

Q60932SA1962

1

R6231

47K

R621147K

R61

71

33K

Q60

712S

C22

40

R6661

R6161R6151

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

100(1/4W)

R6651 C60

4122

3J

R6341

R6361

R6351

R6331

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

0.22(1/2W)

P6071

1

R6091

R6181

12K

L6001

L6011

R64

010.

22(5

W)

R64

110.

22(5

W)

D60011SS133

R608110(1/4W)

10(1/4W)

10(1/4W)

10(1/4W)

10(1/4W)

10(1/4W)

10(1/4W)

10(1/4W)

R61

91

5.6K

P6051

Q60512SC5242

1

P6081

Q60812SC5242

1

P6061

Q60612SA1962

1

P6091

Q60912SA1962

1

R6236

47K

R621647K

R61

76

33K

Q60

762S

C22

40

R6666

R6166R6156

R6656

C60

4622

3J

R6346

R6366

R6356

R6336

P6076

1

R6096

R6186

12K

L6006

L6016

R64

060.

22(5

W)

R64

160.

22(5

W)

D60061SS133

R6086

R61

96

5.6K

P6056

Q60562SC5242

1

P6086

Q60862SC5242

1

P6066

Q60662SA1962

1

P6096

Q60962SA1962

1

R6234

47K

R621447K

R61

74

33K

Q60

742S

C22

40

R6664

R6164R6154

R6654

C60

4422

3J

R6344

R6364

R6354

R6334

P6074

1

R6094

R6184

12K

L6004

L6014

R64

040.

22(5

W)

R64

140.

22(5

W)

D60041SS133

R6084

R61

94

5.6K

P6054

Q60542SC5242

1

P6084

Q60842SC5242

1

P6064

Q60642SA1962

1

P6094

Q60942SA1962

1

R6232

47K

R621247K

R61

72

33K

Q60

722S

C22

40

R6662

R6162R6152

R6652

C60

4222

3J

R6342

R6362

R6352

R6332

P6072

1

R6092

R6182

12K

L6002

L6012

R64

020.

22(5

W)

R64

120.

22(5

W)

D60021SS133

R6082

R61

92

5.6K

P6052

Q60522SC5242

1

P6082

Q60822SC5242

1

P6062

Q60622SA1962

1

P6092

Q60922SA1962

1

U16 POWER AMPPC BOARD

U17 POWER AMPPC BOARD

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

+65V

-65V

+0.6V

-0.6V

0.0V

+65V

-65V

+0.6V

-0.6V

0.0V

+65V

-65V

+0.6V

-0.6V

0.0V

+65V

-65V

+0.6V

-0.6V

0.0V

+65V

-65V

+0.6V

-0.6V

0.0V

+65V

-65V

+0.6V

-0.6V

0.0V

+65V

-65V

+0.6V

-0.6V

0.0V

Page 17: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-5 (SD-5) POWER SUPPLY SECTION-1

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

IPRO

GNDDG+3.3VDGTHERMAL_1THERMAL_2

VOLH

C

S1L-

S1M+S1M-

PROTECT

SEC1MSEC1H

FANCTRL

VPROVOLH

GN

DD

G_2

+3.

3V_2

TH

ER

_2

TH

ER

_1+

3.3V

_1G

ND

DG

_1

S1H+S1H-

S1L+

GND_AMP

+12V

FAN GND

SBL

SL

L

R

SR

SBR

-B1

+B

1

GND_inputLinputL

GND_NFLGND_decupLGND_polaL

GND_inputCinputC

GND_NFCGND_decupCGND_polaC

GND_inputRinputR

GND_NFRGND_decupRGND_polaR

GND_inputSLinputSL

GND_NFSLGND_decupSLGND_polaSL

GND_inputSBRinputSBR

GND_NFSBRGND_decupSBRGND_polaSBR

GND_inputSRinputSR

GND_NFSRGND_decupSRGND_polaSR

GND_inputSBLinputSBL

GND_NFSBLGND_decupSBLGND_polaSBL

COPPERBUS PLATEP6400

+65V

-65V

FAN

FAN

MID-B

HI-B

NAETC-9042NAETC-9043

C

SR

SBR

FR

FL

SBL

SL

LO-B

Trans center tap

20A-UL-250V

20A-UL-250V

20A-UL-250V

20A-UL-250V

NAPS-9041

NAPS-9040

TO N

AA

SP

-905

0(2/

2)S

D-2

:H3

TO N

AA

R-9

075

SD

-8:H

2

TO N

ATR

M-9

055

SD

-7:D

2TO

PO

WE

R T

RA

NS

SD

-14:

D3

TO N

AC

LA-9

065

SD

-3:A

5TO

NA

CLA

-906

7S

D-3

:A4

TO N

AC

LA-9

069

SD

-3:A

3TO

NA

CLA

-906

4S

D-3

:A1

TO N

AC

LA-9

063

SD

-3:E

1TO

NA

CLA

-906

8S

D-3

:E2

TO N

AC

LA-9

066

SD

-3:E

4TO

NA

CLA

-906

6S

D-3

:H3

TO N

AC

LA-9

068

SD

-3:H

2TO

NA

CLA

-906

3S

D-3

:H1

TO N

AC

LA-9

064

SD

-3:D

1TO

NA

CLA

-906

9S

D-3

:D2

TO N

AC

LA-9

067

SD

-3:D

4TO

NA

CLA

-906

5S

D-3

:D5

TO NAAMP-9062SD-4:D1

TO NAAMP-9061SD-4:G1

TO N

AA

MP

-906

2S

D-4

:D5

NAAF-9039

C6701100/25

+

C67

0610

/50+

JL64

02B

123

Q67012SC2240-GR

D67011SS133

D67021SS133

Q6702

2SC2240-GR

D67

04

MT

ZJ3

.3B

JL64

03B

123

P61

40D

(BLU

)P

6140

F(B

RN

)

Q62

262S

B10

68-U

D62

221S

S13

3D

6221

1SS

133

C69

02+

R67

1015

K

R67

09

5.6K

R67

08

33K

Q6381LM61CIZ

1G

2O

3V

Q6380LM61CIZ1

G

2O

3V

P61

40A

(WH

T)

P61

40B

(RE

D)

P61

40C

(GR

N)

P6140A-G(SOCKET AS)TO NATRM-9055

SD-7:D2 (P6140H)

R6613(1/2W)2.2

C66

11

102J

D66

121S

S13

3D

6602

1SS

133

C66

01

102J

R6603(1/2W)2.2

R6602

4.7K

Q66112SC1740S

Q66012SC1740S

RL6602

3

41

2

RL6612

3

4 1

2

C6704

1/50+

C6703223J

D6703

MTZJ3.3B

R6704

33K R6706

22K

R6701

22K

R6702

10K

Q67032SA970-GR

Q65512SA950

Q65602SC1815

R6560

4.7K

C6222

220/25

Q65612SA950

Q65502SC1815

R6550

4.7K

P6601E

P6601F

P6601G

C69

01

1800

0/71

1800

0/71

+

RL6601

4

32

1

P6601H

JL66

02B

1234

F6602

F6601

F6603

F6604

P65

00

7654321

RL6611

4

3 2

1

P6340

P6340BP6350B

1 2

1 2 1 2

3 4

P72

10A

123456789

R62

22(1

W)

JL6403A

321JL6402A 321

R6612

4.7KR6611

1K

R6601

1K

R6223

5.6K

JL66

02A

4321

P61

40G

(YE

W)

P6401JL60

41A

123

P66

01A

P66

01S

OC

KE

T A

S

7654321

P6601D P66

03B

P66

02B

P66

02P

6603

D66

11LN

25X

B60

4

3

1

2D

6621

LN25

XB

60

4

3

1 CONTACT BY SCREW

CONTACT BY SCREW

2

P61

40E

(GR

Y)

D66

01LN

25X

B60

4

3

1

2

JL69

00A

123

P6601C

P66

01I

C66

02

334J

/250

V

C66

12

334J

/100

V

C66

22

334J

/100

V

P65

6012

P65

50

12

R65

64

22K

R6563

1.2K

R65

61

330

R6562

1.8K

R65

54

22K

R6553

1.2K

R6552

1.8K

R65

51

330

P50

00A

12345678910111213

P5020B

C6030

(50V)473J

R6130

(1W)8.2

Q60

002S

C17

40S

-S

P5022B

P60

12B

4321C6032

(50V)473J

R6132

(1W)8.2

Q60

022S

C17

40S

-S

P50

12B

123

P5021B

P60

11B

4321C6031

(50V)473J

R6131

(1W)8.2

Q60

012S

C17

40S

-S

P50

11B

123

P5023B

C6033

(50V)473J

R6133

(1W)8.2

Q60

032S

C17

40S

-S

P5026B

P60

16B

4321C6036

(50V)473J

R6136

(1W)8.2

Q60

062S

C17

40S

-S

P50

16B

123

P5024B

P60

14B

4321C6034

(50V)473J

R6134

(1W)8.2

Q60

042S

C17

40S

-S

P50

14B

123

P5025B

C6035

(50V)473J

R6135

(1W)8.2

Q60

052S

C17

40S

-S

P50

10B1

23

P60

10B

4321

P50

15B1

23

P60

15B

4321

P50

13B1

23

P60

13B

4321

U01 AMPLIFIER PC BOARD

U03 POWER SUPPLYPC BOARD

U04 THERMALSENSORPC BOARD

THERMALSENSORPC BOARD

U05

U02 POWER SUPPLYPC BOARD

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

Page 18: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-5 (SD-5) POWER SUPPLY SECTION-1

A

1

2

3

4

5

B C D E F G H

IPRO

GNDDG+3.3VDGTHERMAL_1THERMAL_2

VOLH

C

S1L-

S1M+S1M-

PROTECT

SEC1MSEC1H

FANCTRL

VPROVOLH

GN

DD

G_2

+3.

3V_2

TH

ER

_2

TH

ER

_1+

3.3V

_1G

ND

DG

_1

S1H+S1H-

S1L+

GND_AMP

+12V

FAN GND

SBL

SL

L

R

SR

SBR

-B1

+B

1

GND_inputLinputL

GND_NFLGND_decupLGND_polaL

GND_inputCinputC

GND_NFCGND_decupCGND_polaC

GND_inputRinputR

GND_NFRGND_decupRGND_polaR

GND_inputSLinputSL

GND_NFSLGND_decupSLGND_polaSL

GND_inputSBRinputSBR

GND_NFSBRGND_decupSBRGND_polaSBR

GND_inputSRinputSR

GND_NFSRGND_decupSRGND_polaSR

GND_inputSBLinputSBL

GND_NFSBLGND_decupSBLGND_polaSBL

COPPERBUS PLATEP6400

+65V

-65V

FAN

FAN

MID-B

HI-B

NAETC-9042NAETC-9043

C

SR

SBR

FR

FL

SBL

SL

LO-B

Trans center tap

20A-UL-250V

20A-UL-250V

20A-UL-250V

20A-UL-250V

NAPS-9041

NAPS-9040

TO N

AA

SP

-905

0(2/

2)S

D-2

:H3

TO N

AA

R-9

075

SD

-8:H

2

TO N

ATR

M-9

055

SD

-7:D

2TO

PO

WE

R T

RA

NS

SD

-14:

D3

TO N

AC

LA-9

065

SD

-3:A

5TO

NA

CLA

-906

7S

D-3

:A4

TO N

AC

LA-9

069

SD

-3:A

3TO

NA

CLA

-906

4S

D-3

:A1

TO N

AC

LA-9

063

SD

-3:E

1TO

NA

CLA

-906

8S

D-3

:E2

TO N

AC

LA-9

066

SD

-3:E

4TO

NA

CLA

-906

6S

D-3

:H3

TO N

AC

LA-9

068

SD

-3:H

2TO

NA

CLA

-906

3S

D-3

:H1

TO N

AC

LA-9

064

SD

-3:D

1TO

NA

CLA

-906

9S

D-3

:D2

TO N

AC

LA-9

067

SD

-3:D

4TO

NA

CLA

-906

5S

D-3

:D5

TO NAAMP-9062SD-4:D1

TO NAAMP-9061SD-4:G1

TO N

AA

MP

-906

2S

D-4

:D5

NAAF-9039

C6701100/25

+

C67

0610

/50+

JL64

02B

123

Q67012SC2240-GR

D67011SS133

D67021SS133

Q6702

2SC2240-GR

D67

04

MT

ZJ3

.3B

JL64

03B

123

P61

40D

(BLU

)P

6140

F(B

RN

)

Q62

262S

B10

68-U

D62

221S

S13

3D

6221

1SS

133

C69

02+

R67

1015

K

R67

09

5.6K

R67

08

33K

Q6381LM61CIZ

1G

2O

3V

Q6380LM61CIZ1

G

2O

3V

P61

40A

(WH

T)

P61

40B

(RE

D)

P61

40C

(GR

N)

P6140A-G(SOCKET AS)TO NATRM-9055

SD-7:D2 (P6140H)

R6613(1/2W)2.2

C66

11

102J

D66

121S

S13

3D

6602

1SS

133

C66

01

102J

R6603(1/2W)2.2

R6602

4.7K

Q66112SC1740S

Q66012SC1740S

RL6602

3

41

2

RL6612

3

4 1

2

C6704

1/50+

C6703223J

D6703

MTZJ3.3B

R6704

33K R6706

22K

R6701

22K

R6702

10K

Q67032SA970-GR

Q65512SA950

Q65602SC1815

R6560

4.7K

C6222

220/25

Q65612SA950

Q65502SC1815

R6550

4.7K

P6601E

P6601F

P6601G

C69

01

1800

0/71

1800

0/71

+

RL6601

4

32

1

P6601H

JL66

02B

1234

F6602

F6601

F6603

F6604

P65

00

7654321

RL6611

4

3 2

1

P6340

P6340BP6350B

1 2

1 2 1 2

3 4

P72

10A

123456789

R62

22(1

W)

JL6403A

321JL6402A 321

R6612

4.7KR6611

1K

R6601

1K

R6223

5.6K

JL66

02A

4321

P61

40G

(YE

W)

P6401JL60

41A

123

P66

01A

P66

01S

OC

KE

T A

S

7654321

P6601D P66

03B

P66

02B

P66

02P

6603

D66

11LN

25X

B60

4

3

1

2D

6621

LN25

XB

60

4

3

1 CONTACT BY SCREW

CONTACT BY SCREW

2

P61

40E

(GR

Y)

D66

01LN

25X

B60

4

3

1

2

JL69

00A

123

P6601C

P66

01I

C66

02

334J

/250

V

C66

12

334J

/100

V

C66

22

334J

/100

V

P65

60

12

P65

50

12

R65

64

22K

R6563

1.2K

R65

61

330

R6562

1.8K

R65

54

22K

R6553

1.2K

R6552

1.8K

R65

51

330

P50

00A

12345678910111213

P5020B

C6030

(50V)473J

R6130

(1W)8.2

Q60

002S

C17

40S

-S

P5022B

P60

12B

4321C6032

(50V)473J

R6132

(1W)8.2

Q60

022S

C17

40S

-S

P50

12B

123

P5021B

P60

11B

4321C6031

(50V)473J

R6131

(1W)8.2

Q60

012S

C17

40S

-S

P50

11B

123

P5023B

C6033

(50V)473J

R6133

(1W)8.2

Q60

032S

C17

40S

-S

P5026B

P60

16B

4321C6036

(50V)473J

R6136

(1W)8.2

Q60

062S

C17

40S

-S

P50

16B

123

P5024B

P60

14B

4321C6034

(50V)473J

R6134

(1W)8.2

Q60

042S

C17

40S

-S

P50

14B

123

P5025B

C6035

(50V)473J

R6135

(1W)8.2

Q60

052S

C17

40S

-S

P50

10B1

23

P60

10B

4321

P50

15B1

23

P60

15B

4321

P50

13B1

23

P60

13B

4321

U01 AMPLIFIER PC BOARD

U03 POWER SUPPLYPC BOARD

U04 THERMALSENSORPC BOARD

THERMALSENSORPC BOARD

U05

U02 POWER SUPPLYPC BOARD

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

Page 19: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-6 (SD-6) VIDEO SECTION

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

Z2S

DE

T

SD

ET

DA

CS

YD

AC

CV

DA

CS

C

V4SC

V4SY

V4CV

V3SY

V3CV

V3SC

V2SC

V2CV

V2SY

V1CV

V1SY

V1SC

DVDSY

DVDCV

DVDSC

CV_M

SC

OU

T_R

CV

OU

T_R

SY

OU

T_R

V1C

VD

VD

CV

V3C

VV

2CV

V4C

VV

5CV

V4S

YV

5SY

V3S

YV

2SY

V1S

YD

VD

SY

V4S

CV

5SC

V3S

CV

2SC

V1S

CD

VD

SC

DA

CS

CO

UT

RS1RS2RS3

RS4RS5RS6

RS7RS8

LS1LS2LS3

LS4LS5LS6

LS7LS8

RS

3R

S2

RS

1

RS

1R

S2

RS

3

RS

1R

S2

RS

3

RS

4R

S5

RS

6

LS1

+5.

6VV

D

DA

CS

YO

UT

DA

CC

VO

UT

-5V

VD

+5V

VD

VP

OW

ER

CVDETSDETPYDET

+12VVD+12VVD

GNDTRG

GNDTRG

MPOWER

VP

OW

ER

VS

WC

LKV

SW

DO

TR

GC

TR

GB

TR

GA

VS

ELS

DA

VS

ELS

CL

IRIN

A1

IRIN

A2

IRIN

B1

IRIN

B2

MP

OW

ER

V5S

C_I

NV

5SY

_IN

+9V

VD

VS

WS

TB

V5CVV5SYV5SC

V5C

V_I

N

PY

OU

T

DACPB

RS7

DACPR

PB

OU

T

DACPY

DACSY

DACSC

ADINSY

ADINCV

ADINPR

ADINSC

ADINPB

DACPY

DACPB

DACPR

DACCV

ADINPY

LS4

LS5

LS6

LS7

GN

DD

G

+9V

SW

-9V

SW

SY_M

CV

_M

SC

_M

SYOUT

SCOUT

CV

DE

T

CVOUT

APOWER1

AP

OW

ER

1

APOWER2

AP

OW

ER

2

POFF

PO

FF

GNDSUB

+S

UB

+SUB

PROUT1PBOUT1PYOUT1

GN

DV

D

GNDVD

GNDVD

GNDVD

GNDVD

GNDVD

GNDVD

GNDVD

GNDVD

GNDVD

GNDVD

GNDVD

GN

DV

D

SEC5+

SEC5-

PR

OU

T

+12VTRG

GNDP

GNDP

+12V

+12

V

Y

Y

Y

Y

Y

Y

Y

C

C

C

C

C

C

C

MAIN C

MAIN Y

MAIN V

DS

GGDS

COMPONENT VIDEO

IN 2

OUT

IN

S VIDEO

COMPOSITE VIDEO

DVD

MONITOROUT

IR OUT

IR IN

12V TRGGEROUT ZONE 2

IN 1

IN 3

VCR/DVR

CBL/SAT

GAME/TV

AUX1

F25014A 125V

4A 125VF2502

TO N

AA

SP

-905

7S

D-1

4:D

2TO

PO

WE

R T

RA

NS

SD

-14:

D4

TO H

DM

-910

7(2/

2)S

D-1

6:H

2TO

NAT

RM

-905

5S

D-7

:C2

TO NAAR-9075SD-8:G3

R2086

220

R22

17100

C22

271/

50

R22

1810

0

C2232

104Z

R20

0175

R20

0275

R20

0375

C200210/50

C2001104Z

C200310/50

C200510/50C200610/50

C2004104Z

R20

0475

R20

0575

R20

0675

C2007

102K

C2011

102K

R20

1975

R20

2075

R20

2175

R2038 100KR2039 100K

R2041100K

R2042100KR2043100K

C20

2710

4ZC

2028

104Z

C20

3110

4ZC

2032

104Z

C20

3510

4ZC

2036

104Z

C200910/50

C201010/50

R20

0775

R20

0875

R20

0975

R2029 100K

R20

3210

K

R20

3110

KR

2030

10K

C2024 104Z

C201310/50

C201410/50

C2017

10/50

C201810/50

R202375

R202475

R2022 75

C2019 102K

C2044104Z

C2047104ZC2048104Z

C2052104Z

C2051104Z C2055

104ZC2056104Z

C20

6910

4ZR

2057

75

R20

5875

R20

5975

R20

6010

0K

R2066100K

R2069100K

R206210K

R206110K

R206310K

R206510K

R206410K

R206710K

R206810K

P2004

42

5

13

C2008104Z

R201075

R201175R201275

C2012104Z

C2016104Z

R20

2510

0KR

2026

100K

R20

2710

0K

R20

1310

0K

R20

1410

0K

R20

15

100K

P2002

12

89

103

1211

54

P2003

12

89

103

1211

54

R20

1675

R20

1775

R20

1875

C2202 104Z

C2204104Z

C2203 1/50

C2208 104Z

C2207 1/50

C2210104Z

C2209 1/50

C2205 1/50

C2206 104Z

R2202

75

R22

0375

R2204

75

R2205

75

R22

0675

C2015

102K

R2207

75

C2211 1/50

C2212 104Z

C22141/50

C2215 104Z

C2216 1/50

C2217104Z

C2218 1/50

C2219 104Z

C2221102K

R2201

75

R2208

75

R22

09

75

C2222104Z

C2223104Z

C2224104Z

R2216 10K

C22

2510

4Z

C22

2610

4Z

C2233

104ZC2234104Z

Q22042SK3019

Q22052SK3019

R22

48

100K

R22

6310

0K

C2201 1/50

C22

3610

4Z

C22

3710

/50

C2043104Z

C2240104ZC224110/50

C224310/50

Q200674HC4051

14

26

3C

OM

47

55

6IN

H7

VE

E8

VS

S9

C

10B

11A

123

130

141

152

16V

DD

Q200874HC4051

14

26

3C

OM

47

55

6IN

H7

VE

E8

VS

S9

C

10B

11A

123

130

141

152

16V

DD

Q201074HC4051

14

26

3C

OM

47

8 C

H M

ULT

IPLE

XE

R

8 C

H M

ULT

IPLE

XE

R

8 C

H M

ULT

IPLE

XE

R

55

6IN

H7

VE

E8

VS

S9

C

10B

11A

123

130

141

152

16V

DD

Q2013

NJM2587

1 SC IN2 NC3 V IN4 GND in5 SY IN6 V+17 V-18 Y IN9 V+2

10 GND in Y11 Cb IN12 GND in Cb13 Cr IN14 V-215 GND in Cr16 PS2 17NC

18GND out Cr

19V-3

20GND out Cb

21Cr OUT

22GND out Y

23Cb OUT

24V+3

25Y OUT

26V-4

27SY OUT

28V+4

29V OUT

30GND out

31SC OUT

32PS1

Q2201NJW1321VIDEO SW

1 V+2 Pb IN23 GND4 Pr IN25 GND6 Y IN17 V+8 Pb IN19 V+

10 Pr IN111 GND12 PORT313 PORT214 ADR

15S

CL

16S

DA

17G

ND

18D

GN

D19

VR

EF

20V

+21

Pr

OU

T2

22P

OR

T1

23P

OR

T0

24P

b O

UT

2 25AUX0

26AUX1

27Y OUT2

28AUX2

29AUX3

30Pr OUT3

31GND

32Pb OUT1

33GND

34Y OUT1

35V+

36Y IN4

37V+

38Pb IN4

39G

ND

40P

r IN

4

41V

+

42Y

IN3

43G

ND

44P

b IN

3

45V

+

46P

r IN

3

47G

ND

48Y

IN2

Q2027NJU7312AM

ANALOG SW

1 VSS23456789

10111213 NC14 STB15 GND 16CLK

17DATA

18NC

19COM3

20S8

21S7

22COM2

23S6

24S5

25S4

26COM1

27S3

28S2

29S1

30VDD

C20

7210

4Z

C2089 104Z

R20821K

R20831K

R20841K

D25

03

1SS

352

D2504

1SS352

D25

05

1SS

352

R2513

4.7(2W)

R2514

4.7(2W)

C25

12

100/

16

D25091SS352

D25

081S

S35

2

C25

111/

50

R25

0610

K

R25

07 0.22

(1/2

W)

R2504

10K

C25

03

104Z

C25

02

223Z

R25

0210

K

D25

01

CR

S09R

2501

10K

Q2503

RN1402

R25

03

820

C25

091/

50

C25

0147

0/16

C25

0447

0/16

C25

15

1/50

C25

07

1000

0/16

Q2501SI8008TM

2 SW4 VADJ

3

GND

5SS

1VIN

Q25

0979

05

3O

2I

1G

L2501BLM21PG221SN1

D2606

1SS352

D2605

1SS352

R2609

3.9

+12V

R26

10

220K

Q26052SB1240

Q2606

RN1402

R2601100

P2604

P2601

P2001

12

89

103

1211

54

P22

01

Y

Cr/Pr

Cb/Pb

Y

Cr/Pr

Cb/Pb

C20

7347

0/6.

3

C20

7510

4ZC

2074

470/

6.3

C20

7647

0/6.

3C

2077

470/

6.3

C20

7047

0/6.

3C

2071

470/

6.3

R2246 2.2

C2248220/6.3

R20

462.

2

C2061470/6.3

C2062470/6.3

R26170

R26160

R26180

R26

20

0

C2025

470/6.3

C2026

470/6.3

C2057104Z

C2058104Z

C2054104Z

C2053104Z

C2046104Z

C2045104Z

C2050104Z

C2049104Z

C22

2810

4Z

C22

29

10/50C2230104Z

C22

3110

/50

R22192.2

R22231K

R2040 100K

JL90

1B

7654321

Q2505NJM2386ADL3-05

5G

ND

4N

C3

Vou

t2

CO

NT

RO

L1

Vin

Q2504NJM2388F09

4C

ON

TR

OL

3G

ND

2V

out

1V

in

P2010A

24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

R222710K

R22

201K

R22

21 1K

R22221K

R2074

10K

R2078

10K

Q25022SC2712-GR

C25

16

100/

16

R25

0947

K

Q25072SD1468S_R

Q2506RN2402

R2505

0.47(1/2W)

R2512

4.7(2W)

C226710/50

C226510/50C2266104Z

C226410/50

C226310/50

C226210/50

C2090 10/50C2091 10/50C2092 104Z

Q2012NJM2587

VIDEO AMP

1 SC IN2 NC3 V IN4 GND in5 SY IN6 V+17 V-18 Y IN9 V+2

10 GND in Y11 Cb IN12 GND in Cb13 Cr IN14 V-215 GND in Cr16 PS2 17

NC

18GND out Cr

19V-3

20GND out Cb

21Cr OUT

22GND out Y

23Cb OUT

24V+3

25Y OUT

26V-4

27SY OUT

28V+4

29V OUT

30GND out

31SC OUT

32PS1

C2245104Z

R227110K

R22301K

C2244104Z

C2242 104Z

L2502NCH-2541_470K

R2247

1K

C2249104Z

Q2206NJM2586AVIDEO AMP

1CH1 IN1

2SW1

3CH1 IN2

4SW2

5CH1 IN3

6GND

7V+1

8CH2 IN1

9GND

10CH2 IN2

11GND

12CH2 IN3

13CH3 IN3

14GND

15CH3 IN2

16V-1

17CH3 IN1

18V-2

19GND

20CH3 OUT

21V+2

22CH2 OUT

23PS

24CH1 OUT

R2231 2.2C2246220/6.3

R223333

R223433

R223533

P22

02

Y

Cr/Pr

Cb/Pb

Cr/Pr

Cb/Pb

Y

P28

01A

TO N

AH

DM

-911

4(5/

5)S

D-1

6:H

3

123456789

10111213141516171819202122232425262728293031

C2235220/16

C25

1010

0/16

C223910/50

R22

2810

K

R22

292.

2KD22

03U

DZ

3.3B

C22

5010

/50

R22

50

270

JL26

01B

321

Q2003RN1444

Q2002

RN1444

Q2001RN1444

Q2015

RN1444Q2016

RN1444

Q2017RN1444

Q2018

RN1444

Q2019RN1444Q2020

RN1444

R2611 1K

D25

06U

DZ

S10

BD

2507

UD

ZS

10B

C25

13

22/5

0

C25

14

22/5

0

Q2512 2SC1162-GR

Q25112SC2712-GR

C2088

104Z

R2085

220

Q2023RN2402

C2082104Z

D20

031S

S35

2

D2004

1SS352

C2083104Z

R207568

R20

762.

2K

Q20

242S

A11

62-G

R

C20

8410

4Z

R2070

10K

R2077

33K

R25

10

0.22

(1W

)

R2515470

+9.3V

R2516470

C25

08

2200

/25

R20

472.

2

C25

0510

4J

P25

02

321

D2510D10XB60H

1

2

4

3

R223775

R224175

R224275

R22383.3R22393.3

R2240

3.3

D2607RL1N4003

D2511

RL1N4003

C26

02

102K

R2508

1K

D2502

1SS352

D2512

1SS352

D25

13

1SS

352

R2511

1.5

R2602100

C26

01

102K

L2603LM182

L2604

LM182

C26

0510

1J

C26

0710

1J

+5.0V

+5.6V

-5.0V

JL80

01A

JL80

02A 4

321

NAVD-9052

U08 VIDEO PC BOARD

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

VIDEO AMP

+9.0V

+9.0V

+5.0V

-5.0V

+5.0V

+5.0V

-5.0V

-5.0V

+9.0V

-9.3V

+9.3V

-9.3V

+5.0V

-5.0V

+5.0V

-5.0V

Z2S

DE

T

LS2

LS3

Z2CVOUT

Z2SCOUT

Z2SYOUT

ZONE 2 OUT R2028

75

R20

34

100K

R20

3510

K

R20

3610

K

R20

3310

0K

R2054150

R2053150

R2055150

R2052150

C20651/50

C2066103Z

C206322/50

C2064100/16

C2067 220/6.3C2068 104Z

R20

56

4.7

C2020

102K

Q2014MM1512 Y/C Mix

1 SAG2 OUT3 VCC 4CIN

5GND

6YIN

C2078 470/6.3

R2078

10K

Q2025RN2402

C2085104Z

D20

051S

S35

2

D2006

1SS352C2086

104Z

R207968 R2080

2.2K

Q20

262S

A11

62-G

R

C20

8710

4Z

Q2004RN1444

Q2005

RN1444

R2081

33K

P20

05

V3C

VV

2CV

V1C

VD

VD

CV

V4S

YV

5SY

V3S

YV

2SY

V1S

YD

VD

SY

V4S

CV

5SC

V3S

CV

2SC

V1S

CD

VD

SC

RS

4R

S5

RS

6

RS

4R

S5

RS

6

Z2 V

Z2 C

C20

2910

4ZC

2030

104Z

C20

3310

4ZC

2034

104Z

C20

3710

4ZC

2038

104Z

Q200774HC4051

14

26

3C

OM

47

55

6IN

H7

VE

E8

VS

S9

C

10B

11A

123

130

141

152

16V

DD

Q200974HC4051

14

26

3C

OM

47

55

6IN

H7

VE

E8

VS

S9

C

10B

11A

123

130

141

152

16V

DD

Q201174HC4051

14

26

3C

OM

47

55

6IN

H7

VE

E8

VS

S9

C

10B

11A

123

130

141

152

16V

DD

MONITOROUT

WF21

WF22

WF23WF21

WF22

WF23

<Note>Refer to SCHEMATIC DIAGRAM-29 (SD-29)for video signal waveforms.

WF24

WF25

WF26

WF24

WF25

WF26

Page 20: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-6 (SD-6) VIDEO SECTION

A

1

2

3

4

5

B C D E F G H

Z2S

DE

T

SD

ET

DA

CS

YD

AC

CV

DA

CS

C

V4SC

V4SY

V4CV

V3SY

V3CV

V3SC

V2SC

V2CV

V2SY

V1CV

V1SY

V1SC

DVDSY

DVDCV

DVDSC

CV_M

SC

OU

T_R

CV

OU

T_R

SY

OU

T_R

V1C

VD

VD

CV

V3C

VV

2CV

V4C

VV

5CV

V4S

YV

5SY

V3S

YV

2SY

V1S

YD

VD

SY

V4S

CV

5SC

V3S

CV

2SC

V1S

CD

VD

SC

DA

CS

CO

UT

RS1RS2RS3

RS4RS5RS6

RS7RS8

LS1LS2LS3

LS4LS5LS6

LS7LS8

RS

3R

S2

RS

1

RS

1R

S2

RS

3

RS

1R

S2

RS

3

RS

4R

S5

RS

6

LS1

+5.

6VV

D

DA

CS

YO

UT

DA

CC

VO

UT

-5V

VD

+5V

VD

VP

OW

ER

CVDETSDETPYDET

+12VVD+12VVD

GNDTRG

GNDTRG

MPOWER

VP

OW

ER

VS

WC

LKV

SW

DO

TR

GC

TR

GB

TR

GA

VS

ELS

DA

VS

ELS

CL

IRIN

A1

IRIN

A2

IRIN

B1

IRIN

B2

MP

OW

ER

V5S

C_I

NV

5SY

_IN

+9V

VD

VS

WS

TB

V5CVV5SYV5SC

V5C

V_I

N

PY

OU

T

DACPB

RS7

DACPR

PB

OU

T

DACPY

DACSY

DACSC

ADINSY

ADINCV

ADINPR

ADINSC

ADINPB

DACPY

DACPB

DACPR

DACCV

ADINPY

LS4

LS5

LS6

LS7

GN

DD

G

+9V

SW

-9V

SW

SY_M

CV

_M

SC

_M

SYOUT

SCOUT

CV

DE

T

CVOUT

APOWER1

AP

OW

ER

1

APOWER2

AP

OW

ER

2

POFF

PO

FF

GNDSUB

+S

UB

+SUB

PROUT1PBOUT1PYOUT1

GN

DV

D

GNDVD

GNDVD

GNDVD

GNDVD

GNDVD

GNDVD

GNDVD

GNDVD

GNDVD

GNDVD

GNDVD

GN

DV

D

SEC5+

SEC5-

PR

OU

T

+12VTRG

GNDP

GNDP

+12V

+12

V

Y

Y

Y

Y

Y

Y

Y

C

C

C

C

C

C

C

MAIN C

MAIN Y

MAIN V

DS

GGDS

COMPONENT VIDEO

IN 2

OUT

IN

S VIDEO

COMPOSITE VIDEO

DVD

MONITOROUT

IR OUT

IR IN

12V TRGGEROUT ZONE 2

IN 1

IN 3

VCR/DVR

CBL/SAT

GAME/TV

AUX1

F25014A 125V

4A 125VF2502

TO N

AA

SP

-905

7S

D-1

4:D

2TO

PO

WE

R T

RA

NS

SD

-14:

D4

TO H

DM

-910

7(2/

2)S

D-1

6:H

2TO

NAT

RM

-905

5S

D-7

:C2

TO NAAR-9075SD-8:G3

R2086

220

R22

17100

C22

271/

50

R22

1810

0

C2232

104Z

R20

0175

R20

0275

R20

0375

C200210/50

C2001104Z

C200310/50

C200510/50C200610/50

C2004104Z

R20

0475

R20

0575

R20

0675

C2007

102K

C2011

102K

R20

1975

R20

2075

R20

2175

R2038 100KR2039 100K

R2041100K

R2042100KR2043100K

C20

2710

4ZC

2028

104Z

C20

3110

4ZC

2032

104Z

C20

3510

4ZC

2036

104Z

C200910/50

C201010/50

R20

0775

R20

0875

R20

0975

R2029 100K

R20

3210

K

R20

3110

KR

2030

10K

C2024 104Z

C201310/50

C201410/50

C2017

10/50

C201810/50

R202375

R202475

R2022 75

C2019 102K

C2044104Z

C2047104ZC2048104Z

C2052104Z

C2051104Z C2055

104ZC2056104Z

C20

6910

4ZR

2057

75

R20

5875

R20

5975

R20

6010

0K

R2066100K

R2069100K

R206210K

R206110K

R206310K

R206510K

R206410K

R206710K

R206810K

P2004

42

5

13

C2008104Z

R201075

R201175R201275

C2012104Z

C2016104Z

R20

2510

0KR

2026

100K

R20

2710

0K

R20

1310

0K

R20

1410

0K

R20

15

100K

P2002

12

89

103

1211

54

P2003

12

89

103

1211

54

R20

1675

R20

1775

R20

1875

C2202 104Z

C2204104Z

C2203 1/50

C2208 104Z

C2207 1/50

C2210104Z

C2209 1/50

C2205 1/50

C2206 104Z

R2202

75

R22

0375

R2204

75

R2205

75

R22

0675

C2015

102K

R2207

75

C2211 1/50

C2212 104Z

C22141/50

C2215 104Z

C2216 1/50

C2217104Z

C2218 1/50

C2219 104Z

C2221102K

R2201

75

R2208

75

R22

09

75

C2222104Z

C2223104Z

C2224104Z

R2216 10K

C22

2510

4Z

C22

2610

4Z

C2233

104ZC2234104Z

Q22042SK3019

Q22052SK3019

R22

48

100K

R22

6310

0K

C2201 1/50

C22

3610

4Z

C22

3710

/50

C2043104Z

C2240104ZC224110/50

C224310/50

Q200674HC4051

14

26

3C

OM

47

55

6IN

H7

VE

E8

VS

S9

C

10B

11A

123

130

141

152

16V

DD

Q200874HC4051

14

26

3C

OM

47

55

6IN

H7

VE

E8

VS

S9

C

10B

11A

123

130

141

152

16V

DD

Q201074HC4051

14

26

3C

OM

47

8 C

H M

ULT

IPLE

XE

R

8 C

H M

ULT

IPLE

XE

R

8 C

H M

ULT

IPLE

XE

R

55

6IN

H7

VE

E8

VS

S9

C

10B

11A

123

130

141

152

16V

DD

Q2013

NJM2587

1 SC IN2 NC3 V IN4 GND in5 SY IN6 V+17 V-18 Y IN9 V+2

10 GND in Y11 Cb IN12 GND in Cb13 Cr IN14 V-215 GND in Cr16 PS2 17NC

18GND out Cr

19V-3

20GND out Cb

21Cr OUT

22GND out Y

23Cb OUT

24V+3

25Y OUT

26V-4

27SY OUT

28V+4

29V OUT

30GND out

31SC OUT

32PS1

Q2201NJW1321VIDEO SW

1 V+2 Pb IN23 GND4 Pr IN25 GND6 Y IN17 V+8 Pb IN19 V+

10 Pr IN111 GND12 PORT313 PORT214 ADR

15S

CL

16S

DA

17G

ND

18D

GN

D19

VR

EF

20V

+21

Pr

OU

T2

22P

OR

T1

23P

OR

T0

24P

b O

UT

2 25AUX0

26AUX1

27Y OUT2

28AUX2

29AUX3

30Pr OUT3

31GND

32Pb OUT1

33GND

34Y OUT1

35V+

36Y IN4

37V+

38Pb IN4

39G

ND

40P

r IN

4

41V

+

42Y

IN3

43G

ND

44P

b IN

3

45V

+

46P

r IN

3

47G

ND

48Y

IN2

Q2027NJU7312AM

ANALOG SW

1 VSS23456789

10111213 NC14 STB15 GND 16CLK

17DATA

18NC

19COM3

20S8

21S7

22COM2

23S6

24S5

25S4

26COM1

27S3

28S2

29S1

30VDD

C20

7210

4Z

C2089 104Z

R20821K

R20831K

R20841K

D25

03

1SS

352

D2504

1SS352

D25

05

1SS

352

R2513

4.7(2W)

R2514

4.7(2W)

C25

12

100/

16

D25091SS352

D25

081S

S35

2

C25

111/

50

R25

0610

K

R25

07 0.22

(1/2

W)

R2504

10K

C25

03

104Z

C25

02

223Z

R25

0210

K

D25

01

CR

S09R

2501

10K

Q2503

RN1402

R25

03

820

C25

091/

50

C25

0147

0/16

C25

0447

0/16

C25

15

1/50

C25

07

1000

0/16

Q2501SI8008TM

2 SW4 VADJ

3

GND

5SS

1VIN

Q25

0979

05

3O

2I

1G

L2501BLM21PG221SN1

D2606

1SS352

D2605

1SS352

R2609

3.9

+12V

R26

10

220K

Q26052SB1240

Q2606

RN1402

R2601100

P2604

P2601

P2001

12

89

103

1211

54

P22

01

Y

Cr/Pr

Cb/Pb

Y

Cr/Pr

Cb/Pb

C20

7347

0/6.

3

C20

7510

4ZC

2074

470/

6.3

C20

7647

0/6.

3C

2077

470/

6.3

C20

7047

0/6.

3C

2071

470/

6.3

R2246 2.2

C2248220/6.3

R20

462.

2

C2061470/6.3

C2062470/6.3

R26170

R26160

R26180

R26

20

0

C2025

470/6.3

C2026

470/6.3

C2057104Z

C2058104Z

C2054104Z

C2053104Z

C2046104Z

C2045104Z

C2050104Z

C2049104Z

C22

2810

4Z

C22

29

10/50C2230104Z

C22

3110

/50

R22192.2

R22231K

R2040 100K

JL90

1B

7654321

Q2505NJM2386ADL3-05

5G

ND

4N

C3

Vou

t2

CO

NT

RO

L1

Vin

Q2504NJM2388F09

4C

ON

TR

OL

3G

ND

2V

out

1V

in

P2010A

24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

R222710K

R22

201K

R22

21 1K

R22221K

R2074

10K

R2078

10K

Q25022SC2712-GR

C25

16

100/

16

R25

0947

K

Q25072SD1468S_R

Q2506RN2402

R2505

0.47(1/2W)

R2512

4.7(2W)

C226710/50

C226510/50C2266104Z

C226410/50

C226310/50

C226210/50

C2090 10/50C2091 10/50C2092 104Z

Q2012NJM2587

VIDEO AMP

1 SC IN2 NC3 V IN4 GND in5 SY IN6 V+17 V-18 Y IN9 V+2

10 GND in Y11 Cb IN12 GND in Cb13 Cr IN14 V-215 GND in Cr16 PS2 17

NC

18GND out Cr

19V-3

20GND out Cb

21Cr OUT

22GND out Y

23Cb OUT

24V+3

25Y OUT

26V-4

27SY OUT

28V+4

29V OUT

30GND out

31SC OUT

32PS1

C2245104Z

R227110K

R22301K

C2244104Z

C2242 104Z

L2502NCH-2541_470K

R2247

1K

C2249104Z

Q2206NJM2586AVIDEO AMP

1CH1 IN1

2SW1

3CH1 IN2

4SW2

5CH1 IN3

6GND

7V+1

8CH2 IN1

9GND

10CH2 IN2

11GND

12CH2 IN3

13CH3 IN3

14GND

15CH3 IN2

16V-1

17CH3 IN1

18V-2

19GND

20CH3 OUT

21V+2

22CH2 OUT

23PS

24CH1 OUT

R2231 2.2C2246220/6.3

R223333

R223433

R223533

P22

02

Y

Cr/Pr

Cb/Pb

Cr/Pr

Cb/Pb

Y

P28

01A

TO N

AH

DM

-911

4(5/

5)S

D-1

6:H

3

123456789

10111213141516171819202122232425262728293031

C2235220/16

C25

1010

0/16

C223910/50

R22

2810

K

R22

292.

2KD22

03U

DZ

3.3B

C22

5010

/50

R22

50

270

JL26

01B

321

Q2003RN1444

Q2002

RN1444

Q2001RN1444

Q2015

RN1444Q2016

RN1444

Q2017RN1444

Q2018

RN1444

Q2019RN1444Q2020

RN1444

R2611 1K

D25

06U

DZ

S10

BD

2507

UD

ZS

10B

C25

13

22/5

0

C25

14

22/5

0

Q2512 2SC1162-GR

Q25112SC2712-GR

C2088

104Z

R2085

220

Q2023RN2402

C2082104Z

D20

031S

S35

2

D2004

1SS352

C2083104Z

R207568

R20

762.

2K

Q20

242S

A11

62-G

R

C20

8410

4Z

R2070

10K

R2077

33K

R25

10

0.22

(1W

)

R2515470

+9.3V

R2516470

C25

08

2200

/25

R20

472.

2

C25

0510

4J

P25

02

321

D2510D10XB60H

1

2

4

3

R223775

R224175

R224275

R22383.3R22393.3

R2240

3.3

D2607RL1N4003

D2511

RL1N4003

C26

02

102K

R2508

1K

D2502

1SS352

D2512

1SS352

D25

13

1SS

352

R2511

1.5

R2602100

C26

01

102K

L2603LM182

L2604

LM182

C26

0510

1J

C26

0710

1J

+5.0V

+5.6V

-5.0V

JL80

01A

JL80

02A 4

321

NAVD-9052

U08 VIDEO PC BOARD

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

VIDEO AMP

+9.0V

+9.0V

+5.0V

-5.0V

+5.0V

+5.0V

-5.0V

-5.0V

+9.0V

-9.3V

+9.3V

-9.3V

+5.0V

-5.0V

+5.0V

-5.0V

Z2S

DE

T

LS2

LS3

Z2CVOUT

Z2SCOUT

Z2SYOUT

ZONE 2 OUT R2028

75

R20

34

100K

R20

3510

K

R20

3610

K

R20

3310

0K

R2054150

R2053150

R2055150

R2052150

C20651/50

C2066103Z

C206322/50

C2064100/16

C2067 220/6.3C2068 104Z

R20

56

4.7

C2020

102K

Q2014MM1512 Y/C Mix

1 SAG2 OUT3 VCC 4CIN

5GND

6YIN

C2078 470/6.3

R2078

10K

Q2025RN2402

C2085104Z

D20

051S

S35

2

D2006

1SS352C2086

104Z

R207968 R2080

2.2K

Q20

262S

A11

62-G

R

C20

8710

4Z

Q2004RN1444

Q2005

RN1444

R2081

33K

P20

05

V3C

VV

2CV

V1C

VD

VD

CV

V4S

YV

5SY

V3S

YV

2SY

V1S

YD

VD

SY

V4S

CV

5SC

V3S

CV

2SC

V1S

CD

VD

SC

RS

4R

S5

RS

6

RS

4R

S5

RS

6

Z2 V

Z2 C

C20

2910

4ZC

2030

104Z

C20

3310

4ZC

2034

104Z

C20

3710

4ZC

2038

104Z

Q200774HC4051

14

26

3C

OM

47

55

6IN

H7

VE

E8

VS

S9

C

10B

11A

123

130

141

152

16V

DD

Q200974HC4051

14

26

3C

OM

47

55

6IN

H7

VE

E8

VS

S9

C

10B

11A

123

130

141

152

16V

DD

Q201174HC4051

14

26

3C

OM

47

55

6IN

H7

VE

E8

VS

S9

C

10B

11A

123

130

141

152

16V

DD

MONITOROUT

WF21

WF22

WF23WF21

WF22

WF23

<Note>Refer to SCHEMATIC DIAGRAM-29 (SD-29)for video signal waveforms.

WF24

WF25

WF26

WF24

WF25

WF26

Page 21: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-7 (SD-7) SP TERMINAL SECTION

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

SP

RLF

SP

RLF

SP

RLS

B

SP

RLS

B

SP

RLC

S

SP

RLC

SS

PR

LZ2

SP

RLZ

2S

PR

LFB

GND_SPSLGND_SPSBLGND_SPLGND_SPR

GND_SPSBRGND_SPSRGND_SPC

GN

D_S

PL

GN

D_S

PS

BL

GN

D_S

PS

L

GN

D_S

PR

GN

D_S

PS

BR

GN

D_S

PS

RG

ND

_SP

C

+12V

GNDTU

+9VTUGNDTU

SPRLZ2

SPRLF

SPRLSBSPRLCS

DIRSWDSDRCSWHDPCMSW+15VDG-15VDGRI

DACSLDACSWDACCDACFR

GNDAADL

DACSRGNDA

MEQMUTSPDIFSWADR

DACFL

DSDDISW

DIRINTDIRRST

DIRCS

DSP1RSTDSP1INT

DSP3RSTDSP3INT

DSP2INTDSP2RST

OPTFFTXDFRXD+3.3VST

SPFOUT

DSP3CSDSP2CSDSP1CS

DSP1NICDSP1DEC

DACSBRDACSBL

DACCRDACSWR

DACRSTDAC1CSDAC2CSDIGCLKDIGSDODIGSDI

NETSPDIF

+5.3VXMGNDDG

POFF2+9V

+9VTU

SPSL

SPSRSPC

SPSBR

SPSBLSPLSPR

GNDTUGNDTUGNDTUGNDTU+9VTU

SP

RLF

SP

RLF

BS

PR

LCS

SP

RLS

BS

PR

LZ2

GNDRLSPRLZ2SPRLSBSPRLCSSPRLFBSPRLF

+12V

GNDTU+9VTU

RLGNDGNDGND-15V+15V

+12VTRGGND

GND

Z2RGND Z2RGND Z2R

Z2R

SURROUND L

SURROUNDBACK L

FRONT L

ZONE2 L

FRONT R

SPEAKER TERMINALS

SURROUNDBACK R

SURROUNDR

CENTER

R

SB

L

SB

R

SL,

SR

C

L

FAN_GND

FAN_GND+12V_FAN

R

SBR

SR

L

SBL

SL

C

ZONE2 R

DC,DD MP NA906MTDT103J103J 103J 103J

C6820-6828

NOType

Rating

JL6808

F9101

4A

F9102

4A

TO N

AA

SP

-905

0(2/

2)S

D-2

:F5

TO N

AA

F-9

039

SD

-5:A

4

TO N

AA

F-9

039

SD

-5:G

1-G

5

TO N

AD

G-9

074

SD

-9:D

5TO

NA

DG

-907

4S

D-9

:E5

TO N

AD

G-9

074

SD

-9:E

5

TO N

AA

R-9

075

SD

-8:F

5TO

NA

AR

-907

5S

D-8

:F5

TO N

AA

R-9

075

SD

-8:E

5

TO N

AA

MP

-906

2S

D-4

:D1-

D4

TO N

AA

MP

-906

1S

D-4

:G1-

G3

TO N

AV

D-9

052

SD

-6:H

3

TO P

OW

ER

TR

AN

SS

D-1

4:D

4

NATRM-9055

C68

0010

3J

C68

0110

3J

D68

001S

S13

3

C68

0510

3J

C68

0610

3J

D68

031S

S13

3

C68

0310

3J

C68

0210

3J

D68

021S

S13

3

D68

051S

S13

3

RL6

801

NR

L-2P

5A-D

C12

-187

6 5 4321

RL6

806

NR

L-2P

5A-D

C12

-187

6 5 4321

RL6

805

NR

L-2P

5A-D

C12

-187

6 5 4321

RL6

803

NR

L-2P

5A-D

C12

-187

6 5 4321

RL6

802

NR

L-2P

5A-D

C12

-187

6 5 4321

C6810

102J

C6811

102J

C6816

102J

C6815

102J

C6813

102J

C6814

102J

C6812

102J

C6817

102J

RL6

800

NR

L-2P

5A-D

C12

-187

6 5 4321

R690015(1W)

R690115(1W)

C68

2710

3J

C68

22

103J

C68

2410

3J

C68

2310

3JC

6825

103J

C68

2610

3JC

6821

103J

C68

2010

3J

C91

18

104J D9103

D10XB60H

C91

0447

00/1

6

+

C91061/50

+13.5V

+J9106

J9108

C91

07

220/

25+

R9112

0.22(1/2W)

J9107

JL69

01A

12345678

Q9103

+9.0V

NJM2388F09

1V

in2

Vou

t3

GN

D4

CO

NT

RO

L

-14.4V

+14.4V

D49

01D

4902MT

ZJ1

5C

C49

0310

0/25

C49

0110

0/25

Q49

03

2SC

1815

-GR

C49

0210

0/25

Q49

04

2SA

1015

-GR

R49

07

330

R49

0833

0

R4901

0.22(1/2W)

Q49052SK365-GR

Q4906 2SK365-GR

C91

02

4700

/25

+

C49

0410

0/25

D9105D3SBA20

C91

17

104J

Q49012SB1565-E

Q4902

2SD2394-E

R49020.22(1/2W)

JL69

01B

87654321

P6800 P6801

P6805 P6806

P6803 P6804

P6802

P6807

JL2601A

123

JL4014A654321

JL69

00B

321

P61

40H

7654321

P6240D

321

P6250E

4321

Q6807RN1226

Q6802RN1226

Q6805RN1226

Q6800

RN1226

P31

03B

12345678910111213141516

P31

02B

1413121110987654321

P31

01B

242322212019181716151413121110987654321

P68

52B

123456789

1011121314151617181920

P68

53B

123456789

1011121314151617181920

R6811 22

L6801 S-1.3C

R6801 22

R6816 22

R6806 22

L6806 S-1.3C

R6814 22

R6804 22

L6804 S-1.3C

R6800 22

R6810 22

L6800 S-1.3C

R6815 22

R6805 22

L6805 S-1.3C

R6813 22

R6803 22

L6803 S-1.3C

R6812 22

R6802 22

L6802 S-1.3C

JL6808A

4321C

6828

103J

C6828DT,MP,MT,NA906 Only

102J

C6218

P68

51B

123456789

1011121314151617181920

1234P6808

C91

03

4700

/25

+

P9104

654321

U11 SP TERMINAL PC BOARD

NAETC-9056

U12 SP TERMINAL PC BOARD

(P61

40A

,B,C

,D,E

,F,G

)

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

+13.5V

NAPS-9059

Q49072SB1565-E

P4902B321

P4902C

321

P4902A

654321

REDRED

RED

BLUEBLUEBLUE

Q49082SD2394-E

+3.5V+3.5V

GNDP4SGNDP4S

+5.2V

+9V_HD

+1.2V_HD

GNDHD+3.3V_HD

470K

TO

NA

LAN

-912

1S

D-2

7:G

3

F92012.5A

F92022.5A

F92032.5A

TO

NA

RF

-911

8S

D-2

8:H

4

TO

PO

WE

R T

RA

NS

SD

-14:

D4

P Type:J6978

C92

05

3300

/25

+C

9206

6800

/16

+

J910

3

J910

4

J910

5

C92

0210

4J

P9201

54321

R92

0882

0

D92

08R

K16 R

9209

2.7KC

9203

104J

C92

04

4700

/16

+

C92

11

220/

25+

P201B

4321

L9200

NCH-2541

D9205D3SBA20

4

31

2

Q9203SI-8008TFE

1V

IN2

SW

OU

T3

GN

D4

AD

J5

SS

C92

13

470/

10+

R92

0410

0KR

9205

100K

C92

07

10/5

0+

R92

1510

K

R92

06

15K

R92

07

27K

R921610(1/2W)

C92

0810

0/10+

Q9201SI-3010KF

1V

c2

Vin

3G

ND

4V

out

5A

DJ

D92071SS133

R92031.5(1/2W)

+5.2V

+3.3V+1.2V

R9212

0.39(1/2W)

R9213

1.5(1W)

R9214

1.5(1W)

R9211

0.39(1/2W)

P5A

1234

D9201D3SBA20

4

3

12

J9111

U15 THERMAL SENSORPC BOARD

C68

0810

3J

C68

0710

3JD

6807

1SS

133

D68

091S

S13

3C

6809

103J

RL6

808

NR

L-2P

5A-D

C12

-187

6 5 4321

RL6

807

NR

L-2P

5A-D

C12

-187

6 5 4321

RL6

809

NR

L-2P

5A-D

C12

-187

6 5 4321

Page 22: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-7 (SD-7) SP TERMINAL SECTION

A

1

2

3

4

5

B C D E F G H

SP

RLF

SP

RLF

SP

RLS

B

SP

RLS

B

SP

RLC

S

SP

RLC

SS

PR

LZ2

SP

RLZ

2S

PR

LFB

GND_SPSLGND_SPSBLGND_SPLGND_SPR

GND_SPSBRGND_SPSRGND_SPC

GN

D_S

PL

GN

D_S

PS

BL

GN

D_S

PS

L

GN

D_S

PR

GN

D_S

PS

BR

GN

D_S

PS

RG

ND

_SP

C

+12V

GNDTU

+9VTUGNDTU

SPRLZ2

SPRLF

SPRLSBSPRLCS

DIRSWDSDRCSWHDPCMSW+15VDG-15VDGRI

DACSLDACSWDACCDACFR

GNDAADL

DACSRGNDA

MEQMUTSPDIFSWADR

DACFL

DSDDISW

DIRINTDIRRST

DIRCS

DSP1RSTDSP1INT

DSP3RSTDSP3INT

DSP2INTDSP2RST

OPTFFTXDFRXD+3.3VST

SPFOUT

DSP3CSDSP2CSDSP1CS

DSP1NICDSP1DEC

DACSBRDACSBL

DACCRDACSWR

DACRSTDAC1CSDAC2CSDIGCLKDIGSDODIGSDI

NETSPDIF

+5.3VXMGNDDG

POFF2+9V

+9VTU

SPSL

SPSRSPC

SPSBR

SPSBLSPLSPR

GNDTUGNDTUGNDTUGNDTU+9VTU

SP

RLF

SP

RLF

BS

PR

LCS

SP

RLS

BS

PR

LZ2

GNDRLSPRLZ2SPRLSBSPRLCSSPRLFBSPRLF

+12V

GNDTU+9VTU

RLGNDGNDGND-15V+15V

+12VTRGGND

GND

Z2RGND Z2RGND Z2R

Z2R

SURROUND L

SURROUNDBACK L

FRONT L

ZONE2 L

FRONT R

SPEAKER TERMINALS

SURROUNDBACK R

SURROUNDR

CENTER

R

SB

L

SB

R

SL,

SR

C

L

FAN_GND

FAN_GND+12V_FAN

R

SBR

SR

L

SBL

SL

C

ZONE2 R

DC,DD MP NA906MTDT103J103J 103J 103J

C6820-6828

NOType

Rating

JL6808

F9101

4A

F9102

4A

TO N

AA

SP

-905

0(2/

2)S

D-2

:F5

TO N

AA

F-9

039

SD

-5:A

4

TO N

AA

F-9

039

SD

-5:G

1-G

5

TO N

AD

G-9

074

SD

-9:D

5TO

NA

DG

-907

4S

D-9

:E5

TO N

AD

G-9

074

SD

-9:E

5

TO N

AA

R-9

075

SD

-8:F

5TO

NA

AR

-907

5S

D-8

:F5

TO N

AA

R-9

075

SD

-8:E

5

TO N

AA

MP

-906

2S

D-4

:D1-

D4

TO N

AA

MP

-906

1S

D-4

:G1-

G3

TO N

AV

D-9

052

SD

-6:H

3

TO P

OW

ER

TR

AN

SS

D-1

4:D

4

NATRM-9055

C68

0010

3J

C68

0110

3J

D68

001S

S13

3

C68

0510

3J

C68

0610

3J

D68

031S

S13

3

C68

0310

3J

C68

0210

3J

D68

021S

S13

3

D68

051S

S13

3

RL6

801

NR

L-2P

5A-D

C12

-187

6 5 4321

RL6

806

NR

L-2P

5A-D

C12

-187

6 5 4321

RL6

805

NR

L-2P

5A-D

C12

-187

6 5 4321

RL6

803

NR

L-2P

5A-D

C12

-187

6 5 4321

RL6

802

NR

L-2P

5A-D

C12

-187

6 5 4321

C6810

102J

C6811

102J

C6816

102J

C6815

102J

C6813

102J

C6814

102J

C6812

102J

C6817

102J

RL6

800

NR

L-2P

5A-D

C12

-187

6 5 4321

R690015(1W)

R690115(1W)

C68

2710

3J

C68

22

103J

C68

2410

3J

C68

2310

3JC

6825

103J

C68

2610

3JC

6821

103J

C68

2010

3J

C91

18

104J D9103

D10XB60H

C91

0447

00/1

6

+

C91061/50

+13.5V

+

J9106

J9108

C91

07

220/

25+

R9112

0.22(1/2W)

J9107

JL69

01A

12345678

Q9103

+9.0V

NJM2388F09

1V

in2

Vou

t3

GN

D4

CO

NT

RO

L

-14.4V

+14.4V

D49

01D

4902MT

ZJ1

5C

C49

0310

0/25

C49

0110

0/25

Q49

03

2SC

1815

-GR

C49

0210

0/25

Q49

04

2SA

1015

-GR

R49

07

330

R49

0833

0

R4901

0.22(1/2W)

Q49052SK365-GR

Q4906 2SK365-GR

C91

02

4700

/25

+

C49

0410

0/25

D9105D3SBA20

C91

17

104J

Q49012SB1565-E

Q4902

2SD2394-E

R49020.22(1/2W)

JL69

01B

87654321

P6800 P6801

P6805 P6806

P6803 P6804

P6802

P6807

JL2601A

123

JL4014A654321

JL69

00B

321

P61

40H

7654321

P6240D

321

P6250E

4321

Q6807RN1226

Q6802RN1226

Q6805RN1226

Q6800

RN1226

P31

03B

12345678910111213141516

P31

02B

1413121110987654321

P31

01B

242322212019181716151413121110987654321

P68

52B

123456789

1011121314151617181920

P68

53B

123456789

1011121314151617181920

R6811 22

L6801 S-1.3C

R6801 22

R6816 22

R6806 22

L6806 S-1.3C

R6814 22

R6804 22

L6804 S-1.3C

R6800 22

R6810 22

L6800 S-1.3C

R6815 22

R6805 22

L6805 S-1.3C

R6813 22

R6803 22

L6803 S-1.3C

R6812 22

R6802 22

L6802 S-1.3C

JL6808A

4321C

6828

103J

C6828DT,MP,MT,NA906 Only

102J

C6218

P68

51B

123456789

1011121314151617181920

1234P6808

C91

03

4700

/25

+

P9104

654321

U11 SP TERMINAL PC BOARD

NAETC-9056

U12 SP TERMINAL PC BOARD

(P61

40A

,B,C

,D,E

,F,G

)

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

+13.5V

NAPS-9059

Q49072SB1565-E

P4902B321

P4902C

321

P4902A

654321

REDRED

RED

BLUEBLUEBLUE

Q49082SD2394-E

+3.5V+3.5V

GNDP4SGNDP4S

+5.2V

+9V_HD

+1.2V_HD

GNDHD+3.3V_HD

470K

TO

NA

LAN

-912

1S

D-2

7:G

3

F92012.5A

F92022.5A

F92032.5A

TO

NA

RF

-911

8S

D-2

8:H

4

TO

PO

WE

R T

RA

NS

SD

-14:

D4

P Type:J6978

C92

05

3300

/25

+C

9206

6800

/16

+

J910

3

J910

4

J910

5

C92

0210

4J

P9201

54321

R92

0882

0

D92

08R

K16 R

9209

2.7KC

9203

104J

C92

04

4700

/16

+

C92

11

220/

25+

P201B

4321

L9200

NCH-2541

D9205D3SBA20

4

31

2

Q9203SI-8008TFE

1V

IN2

SW

OU

T3

GN

D4

AD

J5

SS

C92

13

470/

10+

R92

0410

0KR

9205

100K

C92

07

10/5

0+

R92

1510

K

R92

06

15K

R92

07

27K

R921610(1/2W)

C92

0810

0/10+

Q9201SI-3010KF

1V

c2

Vin

3G

ND

4V

out

5A

DJ

D92071SS133

R92031.5(1/2W)

+5.2V

+3.3V+1.2V

R9212

0.39(1/2W)

R9213

1.5(1W)

R9214

1.5(1W)

R9211

0.39(1/2W)

P5A

1234

D9201D3SBA20

4

3

12

J9111

U15 THERMAL SENSORPC BOARD

C68

0810

3J

C68

0710

3JD

6807

1SS

133

D68

091S

S13

3C

6809

103J

RL6

808

NR

L-2P

5A-D

C12

-187

6 5 4321

RL6

807

NR

L-2P

5A-D

C12

-187

6 5 4321

RL6

809

NR

L-2P

5A-D

C12

-187

6 5 4321

Page 23: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-8 (SD-8) MICROPROCESSOR SECTION

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

FC

LKF

BU

SY

VS

PT

XD

/VS

PS

DA

NE

TR

XD

SP

RLZ

2

SP

RLC

SS

PR

LF

PROTECT

VOLSDOVOLCLKDSP3INT

DSP2RSTDSP1INT

VOLCS

DSP3RST

DIRRSTDIRINT

SYSOUTSYSIN

MICMUTE

VOLH

REMIN

INT

3

INT

1

SP

RLS

B

DSP2INT

DSP1RST

HPRL

FT

XD

FR

XD

SP

RLF

B

KE

Y2

KE

Y1

KE

Y0

VO

LBV

OLA

LED

ST

BY

LED

ST

BY

2

HD

MIC

LK

HD

MIR

ST

FLD

RS

T

KE

Y3

HD

MIS

DO

HD

MIS

TB

HD

MIS

DI

CNVSS

BA

ND

INT

2

Z3M

UT

E_M

Z2M

UT

E_M

SIO

CS

C

SIO

CS

OE

2S

IOC

SO

E1

SIO

CS

BS

IOC

SA

SIOCLK

SIOSDO

SELCLK

SELSDO

SB

Z2M

UT

E_M

DIGSDI

DIGSDODIGCLK

APOWER1APOWER2

TU

MU

TE

_M

ASWSDO

ASWCLK

VSWCLK

SPCLK

VS

WC

SS

PC

S

SE

LCS

AS

WC

S

LEDLATCH

SELSTB

ASWSTB

SIOSTB

SPSTB

RI

SIOCSOE2

SIOCSASIOCSBSIOCSC

CE

CO

UT

CE

CT

RG

DSP1NIC

THERMAL2THERMAL1

MPOWER

DACRST

DS

P1D

EC

+5VMPU

SRTXD

HP

DE

T

+15

VA

-15V

A

GN

DX

M

GN

DD

G

CE

C_I

O

GN

DH

D

Z3M

UT

E

VSWSTB

SPSDO

VSWSDO

+5.

3VX

M

TU

N/V

SE

L/V

C_S

DA

TU

N/V

SE

L/V

C_S

CL

+9V

TU

GN

DD

G

SP

RLS

BS

PR

LCS

SP

RLF

BS

PR

LF

DA

C2C

SD

AC

1CS

DIG

SD

OD

IGC

LK

DIG

SD

I

PO

FF

2

DS

P1I

NT

DS

P1C

SD

SP

2CS

DS

P3C

S

DS

P1N

ICD

SP

1DE

C

VPOWERMEQMUTE

GN

DV

DA

UX

2CV

_IN

AU

X2S

Y_I

N

VS

WS

TB

VS

WC

LKV

PO

WE

RT

RG

A

TR

GC

TR

GB

AU

X2S

C_I

N

VS

WS

DO

IRIN

A2

IRIN

B1

IRIN

B2

IRIN

A1

MP

OW

ER

+S

UB

GN

DD

GP

OF

F+

9VA

PO

WE

R2

AP

OW

ER

1

CE

C_I

O

TX

MU

TE

HD

MIS

DO

HD

MIC

LKH

DM

IRS

TV

SP

RS

T

HD

MIS

DI

RX

MU

TE

HD

MIS

TB

VS

PR

XD

/VS

PS

CL

VS

PT

XD

/VS

PS

DA

VS

PR

EQ

/BO

OT

VS

PR

DY

/VD

LOC

K

+3.

3VM

PU

+3.3VMPU

+3.3VMPU

+9V

DG

Z2M

UT

E

TU

N/V

SE

L/V

C_S

DA

TU

N/V

SE

L/V

C_S

CL

GNDDG

RESETCNVSS

FTXD

FRXDFCLK

FBUSY

MPOWER

NETSTATUSRESET

Z2VOLCLKZ2VOLSDOXMRSV2

VSPRSTVSPREQ/BOOTVSPRXD/VSPSCL

POFF2

XMRST

STEREOSD

SR

RX

D

SP

RLZ

2

+5.

3VX

M

RO

MC

SR

OM

SD

IR

OM

SD

OR

OM

CLK

AM

UT

E

SB

Z2M

UT

E

SRRST_5V

SRRST

MICDET

KEYINT1

CECOUTCECTRG

XMTXD

FANCTRL

SRTXDSRRST

CECIN

XMRXD

XMRSV1

VO

LRS

T

SIO

SD

OS

IOC

LK

VOLMUTE

ST

ER

EO

+9V

TU

NS

D

DA

CR

ST

DA

CC

R

DA

CS

BL

DA

CS

WR

NE

TS

PD

IF

OP

TF

FT

XD

DIR

CS

DIR

INT

DIR

RS

T

DS

P3I

NT

DS

P2I

NT

DS

P2R

ST

DS

P1R

ST

DS

P3R

ST

FR

XD

HD

RD

RS

T

RDSCLKRDSSDI

Z2V

OLC

LKZ

2VO

LSD

OZ

3MU

TE

Z2M

UT

E

TU

_RT

U_L

RE

CM

UT

ET

UM

UT

E

GN

DX

MS

ELS

TB

SE

LSD

OS

ELC

LK

AD

LA

DR

GN

DA

UX

2

AU

X2_

LM

IC

AU

X2_

R-1

5VA

+15

VA

HP

DE

TH

PR

L

VO

LRS

T

VO

LCLK

VO

LSD

OV

OLC

SA

MU

TE

SB

Z2M

UT

EA

SW

SD

OA

SW

CLK

GN

DD

G

VO

LMU

TE

DA

CC

R

DA

CS

LD

AC

SW

DA

CC

DA

CF

RD

AC

FL

DA

CS

BR

DA

CS

BL

DA

CS

WR

AS

WS

TB

DA

CS

RG

ND

A

SP

RLF

SP

RLS

B

GN

DA

GN

DA

SR

_LS

R_R

XM

_L

XM

_R

POFF

SIO

ST

BF

SW

PO

WE

R

SPCLK

DIRSWDSDRCSW

TRGCTRGBTRGA

SPSTB

SEC1MSEC1H

LEDPURELEDZ2LEDZ3

RECMUTE_M

SPSDO+5VST

+5V

ST

+3.

3VM

PU

FLD1CSDAC2CSDAC1CSDSP3CSDSP2CS

SIOCSOE1

DIRCSDSP1CS

FSWPOWER

SPDIFSWHDPCMSWDSDDISW

+15VA-15VA

+3.3VST

+3.3VST

+3.

3VS

T

FLD2CS

RX

MU

TE

TX

MU

TE

VSPRDY/VDLOCK

XM

RX

DX

MT

XD

XM

RS

V2

XM

RS

TT

UN

DA

CR

ST

AM

UT

E_M

RDSCLKRDSSDI

TU

N/V

SE

L/V

C_S

DA

TU

N/V

SE

L/V

C_S

CL

+5V

MP

U

XM

_LX

M_R

SR

_RS

R_L

SRTXD_5V

SR

RS

T_5

V

SR

RX

DS

RT

XD

_5V

XM

RS

V1

SP

FO

UT

GN

DT

U

TU

_L

TU

_RG

ND

TU

GN

DA

GN

DA

SP

DIF

SW

AD

RA

DL

DA

CS

RD

AC

SL

DA

CS

WD

AC

CD

AC

FR

DA

CF

LD

AC

SB

R

RI

ME

QM

UT

E

DS

DD

ISW

DIR

SW

DS

DR

CS

WH

DP

CM

SW

FANCTRL

PROTECTVOLH

GNDDG

SEC1HSEC1M

THERMAL2THERMAL1

+3.3VMPU

GNDAUX2

+15VA-15VA

AUX2_R

MICMUTEMICAUX2_L

MICDET+5VMPUREMIN

AUX2SY_INAUX2CV_INGNDVD

AUX2SC_INIRINA1IRINA2

IRINB2

GNDDG

VOLBVOLA

LEDSTBYLEDSTBY2LEDZ2LEDPUREOPTF

LEDZ3

KEY1KEY2KEY3LEDLATCH

+3.3VMPU

KEYINT1+3.3VST

DIGSDODIGCLK

FLD2CSFLD1CS

FLDRSTKEY0

CE

CIN

IRINB1

TO F

LAS

H W

RIT

ER

DC

Typ

e O

nly

HD

RA

DIO

TU

NE

R

2.7(

1/2W

)2.

7(1/

2W)

2.7(

1/2W

)2.

7(1/

2W)

+5.6V

+9V

NAAR-9075

TO NAETC-9056SD-7:D5

TO NAETC-9056SD-7:D4

TO NAETC-9056SD-7:D3

TO NAASP-9050(2/2)SD-2:C5

TO NAASP-9050(2/2)SD-2:B5

TO NAVD-9052 SD-6:F1

D-TYPE ONLYTO NARF-9077

SD-12:H2

TO TUNER UNIT(DT,MP,MT Type)

TO NARF-9118SD-28:H3(DC Type)

TO N

AA

F-9

039

SD

-5:A

4TO

NA

DIS

-908

5S

D-1

3:B

2

TO NAHDM-9114(5/5)SD-19:H4

R7003 47R7005 47R7006 220R7007 47

R7018

220

R701610K

R7024 10K

R7030 47R7031 47R7032 220R7033 220R7034 47R7035 47

R703647

R70

5410

K

C7005 104ZR

7037

47R

7038

47

R70

4247

R70

4347

R70

4047

R70

4522

0

R70

4847

R70

5047

R70

5147

R70

5347

R70

5547

C70

0910

4Z

R70

6247

R70

6347

R70

7047

R70

7147

R70

7247

R707547

C7011104Z

R707747R707847R7079220R708047R7081220R708247R7083220R708447R708547R7086220

R7088220R708947

R708747

R7092220

R709447R709547

R709747R709847R7099220R7100220R7101220R7102220R7103220R7104220R710547R710647

R7011 1KR7012 1K

R72

7810

KR

7279

10K

R72

8010

K

R728210K

R709047C7012104Z R7281 10K

C70

1010

4Z

R71

09

220

R71

3947

R71

3847

R71

4147R

7144

220 R71

3722

0R

7136

4.7K

R71

354.

7KR

7134

4.7K

R71

334.

7KC

7017

104Z

R71

2247

R71

2147

R71

191K

R71

201K

R71

2347

R71

2422

0R

7125

47R

7126

47R

7127

220

R71

2822

0R

7129

47

R71

3147

R70

2522

0K

R728910K

R721233K10K10K

10K

R7211R7210

R7213 R7213 DC,DD Type only

R72

8522

0K

R72

83

10K

R7272 10K

Q7005DTC114YKA

Q7006DTA114YKA

R7001 47R7002 47

C7003104Z R7286

100

R71

13

R71

13D

C,D

D:3

3KO

TH

ER

:10K

R71

12

10K

R71

11

10K

R71

10

56K

D70

01

1SS

352

R7290

10K

C70

2210

1JR

7298

R72

98D

T,M

P,M

TTy

pe O

nly

4.7K

C70

2310

1J

R726747K

R7107220

R7273 10KR

7064

47R

7065 10

K

R7153 47

Q7151TC74VHCT08AFT

1234567 GND 8

91011121314VCC

C7151 104Z

C7155 104Z

R7154 47

R735110K

Q7356RN2402

R7365 10K

Q7155TC74VHCT08AFT

1234567 GND 8

91011121314VCC

R7156

47

R715147

R715247

R7155

47

C7161 104Z

Q7007DTC114YKA

R7161

47

R7162

47

C7172 104Z

C7171104Z

C7166 100/16

C7152 100/16

C7165 104Z

R7027 4.7K

R707347

Q7001

MAIN MICROPROCESSORM3087BFKBGP

1 P962

2:P95/ANEX0/CLK4/CAN1IN/CAN1WU

3

3:P94/DA1/TB4IN/CTS4/RTS4/SS4

4

4:P93/DA0/TB3IN/CTS3/RTS3/SS3

5 P926 P917 P90/TB0IN/CLK38 P146/INT89 P145/INT7

10 P144/INT611 P143/INPC17/OUTC1712 P142/INPC16/OUTC1613 P141/INPC15/OUTC1514 P140/INPC14/OUTC1415 BYTE16 CNVSS17 P87/XCIN18 P86/XCOUT19 RESET20 XOUT21 VSS22 XIN23 VCC124 P85/NMI25 P84/INT226

26:P83/INT1/CAN1IN/CAN0IN

27

27:P82/INT0/CAN1OUT/CAN0OUT

28 P8129

29:P80/TA4OUT/U/ISRXD0/RXD5

30 P7731 P7632 P7533 P7434 P7335

35:P72/TA1OUT/V/CLK2

36 P71

37P

7038

P67

/TX

D1/

SD

A1/

SR

XD

139

VC

C1

40P

66/R

XD

1/S

CL1

/ST

XD

141

VS

S42

P65

/CLK

143

P64

/CT

S1/

RT

S1/

SS

1/O

UT

C21

/ISC

LK2

44P

63/T

XD

0/S

DA

0/S

RX

D0/

IRD

AO

UT

45P

62/R

XD

0/S

CL0

/ST

XD

0/IR

DA

IN46

P61

/CLK

0/R

TP

0147

P60

/CT

S0/

RT

S0/

SS

0/R

TP

0048

P13

7/O

UT

C27

49P

136/

OU

TC

21/IS

CLK

250

P13

5/O

UT

C22

/ISR

XD

2/IE

IN51

P13

4/O

UT

C20

/IST

XD

2/IE

OU

T52

P57

/RD

Y53

P56

/ALE

54P

55/H

OLD

55P

54/H

LDA

/ALE

56P

133/

OU

TC

2357

VS

S58

P13

2/O

UT

C26

59V

CC

260

P13

1/O

UT

C25

61P

130/

OU

TC

2462

P53

/CLK

OU

T/B

CLK

/ALE

63P

52/R

D64

P51

/WR

H/B

HE

65P

50/W

RL/

WR

66P

127

67P

126

68P

125

69P

47/C

S0/

A23

70P

46/C

S1/

A22

71P

45/C

S2/

A21

72

72:P

44/C

S3/

A20

73P43/A19

74VCC2

75P42/A18

76VSS

77P41/A17

78P40/A16

79P37/A15/(/D15)

80P36/A14/(/D14)

81P35/A13/(/D13)

82P34/A12/(/D12)

83P33/A11/(/D11)

84P32/A10/(/D10)

85P31/A9/(/D9)

86P124

87P123/CTS6/RTS6

88P122/RXD6

89P121/CLK6

90P120/TXD6

91VCC2

92P30/A8/(D8)

93VSS

94P27/A7(/D7)/AN27

95P26/A6(/D6)/AN26

96P25/A5(/D5)/AN25

97P24/A4(/D4)/AN24

98P23/A3(/D3)/AN23

99P22/A2(/D2)/AN22

100P21/A1(/D1)/AN21

101P20/A0(/D0)/AN20

102P17/D15/INT5

103P16/D14/INT4

104P15/D13/INT3

105P14/D12

106P13/D11

107P12/D10

108P11/D9

109

P10

/D8

110

P07

/D7/

AN

07

111

P06

/D6/

AN

06

112

P05

/D5/

AN

05

113

P04

/D4/

AN

04

114

P11

4

115

P11

3/IN

PC

13/O

UT

13

116

P11

2

117

P11

1/IN

PC

11/O

UT

C11

/ISC

LK1

118

P11

0

119

P03

/D3/

AN

03

120

P02

/D2/

AN

02

121

P01

/D1/

AN

01

122

P00

/D0/

AN

00

123

P15

7/A

N15

7/C

TS

6/R

TS

6

124

P15

6/A

N15

6/C

LK6

125

P15

5/A

N15

5/R

XD

6

126

P15

4/A

N15

4/T

XD

6

127

P15

3/A

N15

3/C

TS

5/R

TS

5

128

P15

2/A

N15

2/IS

RX

D0/

RX

D5

129

P15

1/A

N15

1/IS

CLK

0/C

LK5

130

VS

S

131

P15

0/A

N15

0/IS

TX

D0/

TX

D5

132

VC

C1

133

P10

7/A

N7/

KI3

/RT

P33

134

P10

6/A

N6/

KI2

/RT

P32

135

P10

5/A

N5/

KI1

/RT

P31

136

P10

4/A

N4/

KI0

/RT

P30

137

P10

3/A

N3/

RT

P13

138

P10

2/A

N2/

RT

P12

139

P10

1/A

N1/

RT

P11

140

AV

SS

141

P10

0/A

N0/

RT

P10

142

VR

EF

143

AV

CC

144

144:P97/ADTRG/RXD4/SCL4/STXD4

C7352

105K

Q7352RN2402

R72

962.

7K

R72

942.

7K

R72

932.

7K

R74

0222

0R

7401

220

R715847

R715747

R7163

47

R7008220

R7164

47

R7167 47

P70

01

123456789

R710847

C7014 104ZR7288 10K

R72

992.

2KR

7300

10K

R72

9210

KR

7291

10K

R7287

10K

X70018.00MHzR

7266

10K

R72

6427

KR72

6527

K

D70021SS352

D70031SS352

C7013 104Z

Q7161TC74VHCT08AFT

1234567 GND 8

91011121314VCC

Q7165TC74VHCT08AFT

1234567 GND 8

91011121314VCC

R73

0310

K

R7403

0

C7002

4.7/50

Q7351RN1404

Q7355RN1404

R7302 10K

P2010B

123456789101112131415161718192021222324

R730110K

L7165

LBC2518T4R7M

C7027 NC

R73

62 2.2K

R7356

2.2K

R7352

2.2K

R73

571K

R73

531K

C70

0610

4ZC

7007

104Z

C70

0810

2K

C7391 104ZC7392 100/16

R727510K

R70

4947

R7391

10K

C73

83

100/

16+

C73

82

104Z

C73

8147

0/16

+

D7381

1SS352

D73821SS352

R735510K

R7366

2.2K

R73

671K

C73

71

470/

16

Q7362RN2402

C7362

105K

Q7361

RN1404

R73

631K

C73

6610

5K

C73

65

105K

C73

61

105K

C73

51

105K

Q7385S812C33AUA-C3G-T2

2 I

1G

3O

C72

66

100/

16+

C7015 102K

C7016102K

R70

26 220K

Q70

02R

N14

04

R7096220

C70

1810

2K

C70

1910

2K

C70

2010

2KR

7295

2.7K

C70

2110

2K

R70

6947

R7361 10K

R739210K

C72

6510

5K

R74

25

R74

25, C

7401

DT,

MP,

MT

Onl

y

0

R72

30

0

R74

210

P101B

13 12 11 10 9 8 7 6 5 4 3 2 1

P6853A

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

P6851A

2019181716151413121110987654321

P4021B

1234567891011121314151617181920212223242526

P4020B

1234567891011121314151617181920212223242526

C7356

105K

C73

55

105K

R72

5610

K

R72

5510

K

Q7365RN1404

Q7366RN2402

R7190220

R71

8210

0KR

7181

100K

R71

9710

0KR

7196

100K

R71

9510

0K

R7189

220

R71

8810

0KR

7187

100K

R71

8610

0KR

7185

100K

R71

8310

0K

R71

9210

0K

R71

8410

0K

R71

9410

0KR

7193

100K

C7181 104Z

R71

9122

0

C73

86

104Z

D73711SS352

D7383

1SS352

D73841SS352 C

7385

470/

16 +

C73

87

100/

16+

Q7381S812C56AUA-C3G-T2

2 I

1G

3O

D7372

1SS352

R717147

Q71

72T

C74

VH

C13

8FT

1 A2 B3 C

3-8 LINE DECODER

4 G2A5 G2B6 G17 Y78 GND 9Y6

10Y5

11Y4

12Y3

13Y2

14Y1

15Y0

16VCC

R7172 47R7173 47R7174 47R7175 47R7176 47

R7178 47R7177 47

Q7184RN2402

Q7183RN1404

Q71

71T

C74

VH

C23

8FT

1 A2 B3 C4 G2A5 G2B6 G17 Y78 GND 9Y6

10Y5

11Y4

12Y3

13Y2

14Y1

15Y0

16VCC

Q7181NJU7312AM

1 VEE

ANALOG SW

2 L13 L24 L35 L-COM16 L47 L58 L69 L-COM2

10 L711 L812 L-COM313 NC14 ST15 VSS 16

CK

17DATA

18NC

19R-COM3

20R8

21R7

22R-COM2

23R6

24R5

25R4

26R-COM1

27R3

28R2

29R1

30VDD

R7241220(1/2W)Q7262

XC6213B332MR

5 VOUT

4NC

3CE

2VSS

1VIN

Q7261XC6202P502FR

1O

2

G 3I

Q7003DTA114YKA

Q7401RN1402

C70

2510

4ZC

7024

104Z

R72

6810

KR

7269

10K

R7371

47

R7404

2.2K

C72

63

100/

16+

C72

6210

0/16

+

R72

84

100

Q7391R1EX25064ASA00A

64 kbit EEPROM

1 CS2 SO3 WP4 GND 5SI

6SCK

7HOLD

8VCC

C74

0110

0/16

R7198

560

C7183 100/16

D7181 UDZS9.1

Q71822SC2712

R74

183.

9K

R74

173.

9K

R7415

R7411, R7415-R7418TX-NR906 DT, MP, MT

Only

2.2K

ORR7416

R7413, R7414TX-NR906 Only

2.2K

R74

140

R74

130

R72

46

R72

48

R72

45

R72

47

R74

110

R72

6110

K

R72

5110

K

R72

6310

KR

7262

10K

P6852A1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

P10

2B18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

P72

10B

987654321

P75

01A

123456789

10111213141516171819202122232425262728293031323334353637383940

P8002A123456789101112131415

U28 MICROPROCESSOR PC BOARD

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

R70

01, R

7002

R70

05, R

7007

R72

62, R

7263

DC

,DD

Typ

e O

nly

+5.0V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V+3.3V

+3.3V

+5.0V

+5.0V

+5.0V

+5.0V

+5.0V

+5.0V

+9V

TU

MU

TE

_M

TU

MU

TE

FOR HD-RADIO MODEL

Q7342RN2402

Q7341RN1404

C7342

DC,DD Type Only

105K

R7297 10K

R7342

2.2K

C73

41

105KR

7343

220

NE

TR

ST

GN

DP

4S

NE

TR

XD

NE

TT

XD

NE

TS

TA

TU

S

NE

TR

ES

UM

E

SP

FO

UT

NE

TB

OO

T

NE

TS

PD

IF_3

.3V

TO NALAN-9121SD-27:G4

R74

270

P20

5B

987654321

Page 24: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-8 (SD-8) MICROPROCESSOR SECTION

A

1

2

3

4

5

B C D E F G H

FC

LKF

BU

SY

VS

PT

XD

/VS

PS

DA

NE

TR

XD

SP

RLZ

2

SP

RLC

SS

PR

LF

PROTECT

VOLSDOVOLCLKDSP3INT

DSP2RSTDSP1INT

VOLCS

DSP3RST

DIRRSTDIRINT

SYSOUTSYSIN

MICMUTE

VOLH

REMIN

INT

3

INT

1

SP

RLS

B

DSP2INT

DSP1RST

HPRL

FT

XD

FR

XD

SP

RLF

B

KE

Y2

KE

Y1

KE

Y0

VO

LBV

OLA

LED

ST

BY

LED

ST

BY

2

HD

MIC

LK

HD

MIR

ST

FLD

RS

T

KE

Y3

HD

MIS

DO

HD

MIS

TB

HD

MIS

DI

CNVSS

BA

ND

INT

2

Z3M

UT

E_M

Z2M

UT

E_M

SIO

CS

C

SIO

CS

OE

2S

IOC

SO

E1

SIO

CS

BS

IOC

SA

SIOCLK

SIOSDO

SELCLK

SELSDO

SB

Z2M

UT

E_M

DIGSDI

DIGSDODIGCLK

APOWER1APOWER2

TU

MU

TE

_M

ASWSDO

ASWCLK

VSWCLK

SPCLK

VS

WC

SS

PC

S

SE

LCS

AS

WC

S

LEDLATCH

SELSTB

ASWSTB

SIOSTB

SPSTB

RI

SIOCSOE2

SIOCSASIOCSBSIOCSC

CE

CO

UT

CE

CT

RG

DSP1NIC

THERMAL2THERMAL1

MPOWER

DACRST

DS

P1D

EC

+5VMPU

SRTXD

HP

DE

T

+15

VA

-15V

A

GN

DX

M

GN

DD

G

CE

C_I

O

GN

DH

D

Z3M

UT

E

VSWSTB

SPSDO

VSWSDO

+5.

3VX

M

TU

N/V

SE

L/V

C_S

DA

TU

N/V

SE

L/V

C_S

CL

+9V

TU

GN

DD

G

SP

RLS

BS

PR

LCS

SP

RLF

BS

PR

LF

DA

C2C

SD

AC

1CS

DIG

SD

OD

IGC

LK

DIG

SD

I

PO

FF

2

DS

P1I

NT

DS

P1C

SD

SP

2CS

DS

P3C

S

DS

P1N

ICD

SP

1DE

C

VPOWERMEQMUTE

GN

DV

DA

UX

2CV

_IN

AU

X2S

Y_I

N

VS

WS

TB

VS

WC

LKV

PO

WE

RT

RG

A

TR

GC

TR

GB

AU

X2S

C_I

N

VS

WS

DO

IRIN

A2

IRIN

B1

IRIN

B2

IRIN

A1

MP

OW

ER

+S

UB

GN

DD

GP

OF

F+

9VA

PO

WE

R2

AP

OW

ER

1

CE

C_I

O

TX

MU

TE

HD

MIS

DO

HD

MIC

LKH

DM

IRS

TV

SP

RS

T

HD

MIS

DI

RX

MU

TE

HD

MIS

TB

VS

PR

XD

/VS

PS

CL

VS

PT

XD

/VS

PS

DA

VS

PR

EQ

/BO

OT

VS

PR

DY

/VD

LOC

K

+3.

3VM

PU

+3.3VMPU

+3.3VMPU

+9V

DG

Z2M

UT

E

TU

N/V

SE

L/V

C_S

DA

TU

N/V

SE

L/V

C_S

CL

GNDDG

RESETCNVSS

FTXD

FRXDFCLK

FBUSY

MPOWER

NETSTATUSRESET

Z2VOLCLKZ2VOLSDOXMRSV2

VSPRSTVSPREQ/BOOTVSPRXD/VSPSCL

POFF2

XMRST

STEREOSD

SR

RX

D

SP

RLZ

2

+5.

3VX

M

RO

MC

SR

OM

SD

IR

OM

SD

OR

OM

CLK

AM

UT

E

SB

Z2M

UT

E

SRRST_5V

SRRST

MICDET

KEYINT1

CECOUTCECTRG

XMTXD

FANCTRL

SRTXDSRRST

CECIN

XMRXD

XMRSV1

VO

LRS

T

SIO

SD

OS

IOC

LK

VOLMUTE

ST

ER

EO

+9V

TU

NS

D

DA

CR

ST

DA

CC

R

DA

CS

BL

DA

CS

WR

NE

TS

PD

IF

OP

TF

FT

XD

DIR

CS

DIR

INT

DIR

RS

T

DS

P3I

NT

DS

P2I

NT

DS

P2R

ST

DS

P1R

ST

DS

P3R

ST

FR

XD

HD

RD

RS

T

RDSCLKRDSSDI

Z2V

OLC

LKZ

2VO

LSD

OZ

3MU

TE

Z2M

UT

E

TU

_RT

U_L

RE

CM

UT

ET

UM

UT

E

GN

DX

MS

ELS

TB

SE

LSD

OS

ELC

LK

AD

LA

DR

GN

DA

UX

2

AU

X2_

LM

IC

AU

X2_

R-1

5VA

+15

VA

HP

DE

TH

PR

L

VO

LRS

T

VO

LCLK

VO

LSD

OV

OLC

SA

MU

TE

SB

Z2M

UT

EA

SW

SD

OA

SW

CLK

GN

DD

G

VO

LMU

TE

DA

CC

R

DA

CS

LD

AC

SW

DA

CC

DA

CF

RD

AC

FL

DA

CS

BR

DA

CS

BL

DA

CS

WR

AS

WS

TB

DA

CS

RG

ND

A

SP

RLF

SP

RLS

B

GN

DA

GN

DA

SR

_LS

R_R

XM

_L

XM

_R

POFF

SIO

ST

BF

SW

PO

WE

R

SPCLK

DIRSWDSDRCSW

TRGCTRGBTRGA

SPSTB

SEC1MSEC1H

LEDPURELEDZ2LEDZ3

RECMUTE_M

SPSDO+5VST

+5V

ST

+3.

3VM

PU

FLD1CSDAC2CSDAC1CSDSP3CSDSP2CS

SIOCSOE1

DIRCSDSP1CS

FSWPOWER

SPDIFSWHDPCMSWDSDDISW

+15VA-15VA

+3.3VST

+3.3VST

+3.

3VS

T

FLD2CS

RX

MU

TE

TX

MU

TE

VSPRDY/VDLOCK

XM

RX

DX

MT

XD

XM

RS

V2

XM

RS

TT

UN

DA

CR

ST

AM

UT

E_M

RDSCLKRDSSDI

TU

N/V

SE

L/V

C_S

DA

TU

N/V

SE

L/V

C_S

CL

+5V

MP

U

XM

_LX

M_R

SR

_RS

R_L

SRTXD_5V

SR

RS

T_5

V

SR

RX

DS

RT

XD

_5V

XM

RS

V1

SP

FO

UT

GN

DT

U

TU

_L

TU

_RG

ND

TU

GN

DA

GN

DA

SP

DIF

SW

AD

RA

DL

DA

CS

RD

AC

SL

DA

CS

WD

AC

CD

AC

FR

DA

CF

LD

AC

SB

R

RI

ME

QM

UT

E

DS

DD

ISW

DIR

SW

DS

DR

CS

WH

DP

CM

SW

FANCTRL

PROTECTVOLH

GNDDG

SEC1HSEC1M

THERMAL2THERMAL1

+3.3VMPU

GNDAUX2

+15VA-15VA

AUX2_R

MICMUTEMICAUX2_L

MICDET+5VMPUREMIN

AUX2SY_INAUX2CV_INGNDVD

AUX2SC_INIRINA1IRINA2

IRINB2

GNDDG

VOLBVOLA

LEDSTBYLEDSTBY2LEDZ2LEDPUREOPTF

LEDZ3

KEY1KEY2KEY3LEDLATCH

+3.3VMPU

KEYINT1+3.3VST

DIGSDODIGCLK

FLD2CSFLD1CS

FLDRSTKEY0

CE

CIN

IRINB1

TO F

LAS

H W

RIT

ER

DC

Typ

e O

nly

HD

RA

DIO

TU

NE

R

2.7(

1/2W

)2.

7(1/

2W)

2.7(

1/2W

)2.

7(1/

2W)

+5.6V

+9V

NAAR-9075

TO NAETC-9056SD-7:D5

TO NAETC-9056SD-7:D4

TO NAETC-9056SD-7:D3

TO NAASP-9050(2/2)SD-2:C5

TO NAASP-9050(2/2)SD-2:B5

TO NAVD-9052 SD-6:F1

D-TYPE ONLYTO NARF-9077

SD-12:H2

TO TUNER UNIT(DT,MP,MT Type)

TO NARF-9118SD-28:H3(DC Type)

TO N

AA

F-9

039

SD

-5:A

4TO

NA

DIS

-908

5S

D-1

3:B

2

TO NAHDM-9114(5/5)SD-19:H4

R7003 47R7005 47R7006 220R7007 47

R7018

220

R701610K

R7024 10K

R7030 47R7031 47R7032 220R7033 220R7034 47R7035 47

R703647

R70

5410

K

C7005 104Z

R70

3747

R70

3847

R70

4247

R70

4347

R70

4047

R70

4522

0

R70

4847

R70

5047

R70

5147

R70

5347

R70

5547

C70

0910

4Z

R70

6247

R70

6347

R70

7047

R70

7147

R70

7247

R707547

C7011104Z

R707747R707847R7079220R708047R7081220R708247R7083220R708447R708547R7086220

R7088220R708947

R708747

R7092220

R709447R709547

R709747R709847R7099220R7100220R7101220R7102220R7103220R7104220R710547R710647

R7011 1KR7012 1K

R72

7810

KR

7279

10K

R72

8010

K

R728210K

R709047C7012104Z R7281 10K

C70

1010

4Z

R71

09

220

R71

3947

R71

3847

R71

4147R

7144

220 R71

3722

0R

7136

4.7K

R71

354.

7KR

7134

4.7K

R71

334.

7KC

7017

104Z

R71

2247

R71

2147

R71

191K

R71

201K

R71

2347

R71

2422

0R

7125

47R

7126

47R

7127

220

R71

2822

0R

7129

47

R71

3147

R70

2522

0K

R728910K

R721233K10K10K

10K

R7211R7210

R7213 R7213 DC,DD Type only

R72

8522

0K

R72

83

10K

R7272 10K

Q7005DTC114YKA

Q7006DTA114YKA

R7001 47R7002 47

C7003104Z R7286

100

R71

13

R71

13D

C,D

D:3

3KO

TH

ER

:10K

R71

12

10K

R71

11

10K

R71

10

56K

D70

01

1SS

352

R7290

10K

C70

2210

1JR

7298

R72

98D

T,M

P,M

TTy

pe O

nly

4.7K

C70

2310

1J

R726747K

R7107220

R7273 10K

R70

6447

R70

65 10K

R7153 47

Q7151TC74VHCT08AFT

1234567 GND 8

91011121314VCC

C7151 104Z

C7155 104Z

R7154 47

R735110K

Q7356RN2402

R7365 10K

Q7155TC74VHCT08AFT

1234567 GND 8

91011121314VCC

R7156

47

R715147

R715247

R7155

47

C7161 104Z

Q7007DTC114YKA

R7161

47

R7162

47

C7172 104Z

C7171104Z

C7166 100/16

C7152 100/16

C7165 104Z

R7027 4.7K

R707347

Q7001

MAIN MICROPROCESSORM3087BFKBGP

1 P962

2:P95/ANEX0/CLK4/CAN1IN/CAN1WU

3

3:P94/DA1/TB4IN/CTS4/RTS4/SS4

4

4:P93/DA0/TB3IN/CTS3/RTS3/SS3

5 P926 P917 P90/TB0IN/CLK38 P146/INT89 P145/INT7

10 P144/INT611 P143/INPC17/OUTC1712 P142/INPC16/OUTC1613 P141/INPC15/OUTC1514 P140/INPC14/OUTC1415 BYTE16 CNVSS17 P87/XCIN18 P86/XCOUT19 RESET20 XOUT21 VSS22 XIN23 VCC124 P85/NMI25 P84/INT226

26:P83/INT1/CAN1IN/CAN0IN

27

27:P82/INT0/CAN1OUT/CAN0OUT

28 P8129

29:P80/TA4OUT/U/ISRXD0/RXD5

30 P7731 P7632 P7533 P7434 P7335

35:P72/TA1OUT/V/CLK2

36 P71

37P

7038

P67

/TX

D1/

SD

A1/

SR

XD

139

VC

C1

40P

66/R

XD

1/S

CL1

/ST

XD

141

VS

S42

P65

/CLK

143

P64

/CT

S1/

RT

S1/

SS

1/O

UT

C21

/ISC

LK2

44P

63/T

XD

0/S

DA

0/S

RX

D0/

IRD

AO

UT

45P

62/R

XD

0/S

CL0

/ST

XD

0/IR

DA

IN46

P61

/CLK

0/R

TP

0147

P60

/CT

S0/

RT

S0/

SS

0/R

TP

0048

P13

7/O

UT

C27

49P

136/

OU

TC

21/IS

CLK

250

P13

5/O

UT

C22

/ISR

XD

2/IE

IN51

P13

4/O

UT

C20

/IST

XD

2/IE

OU

T52

P57

/RD

Y53

P56

/ALE

54P

55/H

OLD

55P

54/H

LDA

/ALE

56P

133/

OU

TC

2357

VS

S58

P13

2/O

UT

C26

59V

CC

260

P13

1/O

UT

C25

61P

130/

OU

TC

2462

P53

/CLK

OU

T/B

CLK

/ALE

63P

52/R

D64

P51

/WR

H/B

HE

65P

50/W

RL/

WR

66P

127

67P

126

68P

125

69P

47/C

S0/

A23

70P

46/C

S1/

A22

71P

45/C

S2/

A21

72

72:P

44/C

S3/

A20

73P43/A19

74VCC2

75P42/A18

76VSS

77P41/A17

78P40/A16

79P37/A15/(/D15)

80P36/A14/(/D14)

81P35/A13/(/D13)

82P34/A12/(/D12)

83P33/A11/(/D11)

84P32/A10/(/D10)

85P31/A9/(/D9)

86P124

87P123/CTS6/RTS6

88P122/RXD6

89P121/CLK6

90P120/TXD6

91VCC2

92P30/A8/(D8)

93VSS

94P27/A7(/D7)/AN27

95P26/A6(/D6)/AN26

96P25/A5(/D5)/AN25

97P24/A4(/D4)/AN24

98P23/A3(/D3)/AN23

99P22/A2(/D2)/AN22

100P21/A1(/D1)/AN21

101P20/A0(/D0)/AN20

102P17/D15/INT5

103P16/D14/INT4

104P15/D13/INT3

105P14/D12

106P13/D11

107P12/D10

108P11/D9

109

P10

/D8

110

P07

/D7/

AN

07

111

P06

/D6/

AN

06

112

P05

/D5/

AN

05

113

P04

/D4/

AN

04

114

P11

4

115

P11

3/IN

PC

13/O

UT

13

116

P11

2

117

P11

1/IN

PC

11/O

UT

C11

/ISC

LK1

118

P11

0

119

P03

/D3/

AN

03

120

P02

/D2/

AN

02

121

P01

/D1/

AN

01

122

P00

/D0/

AN

00

123

P15

7/A

N15

7/C

TS

6/R

TS

6

124

P15

6/A

N15

6/C

LK6

125

P15

5/A

N15

5/R

XD

6

126

P15

4/A

N15

4/T

XD

6

127

P15

3/A

N15

3/C

TS

5/R

TS

5

128

P15

2/A

N15

2/IS

RX

D0/

RX

D5

129

P15

1/A

N15

1/IS

CLK

0/C

LK5

130

VS

S

131

P15

0/A

N15

0/IS

TX

D0/

TX

D5

132

VC

C1

133

P10

7/A

N7/

KI3

/RT

P33

134

P10

6/A

N6/

KI2

/RT

P32

135

P10

5/A

N5/

KI1

/RT

P31

136

P10

4/A

N4/

KI0

/RT

P30

137

P10

3/A

N3/

RT

P13

138

P10

2/A

N2/

RT

P12

139

P10

1/A

N1/

RT

P11

140

AV

SS

141

P10

0/A

N0/

RT

P10

142

VR

EF

143

AV

CC

144

144:P97/ADTRG/RXD4/SCL4/STXD4

C7352

105K

Q7352RN2402

R72

962.

7K

R72

942.

7K

R72

932.

7K

R74

0222

0R

7401

220

R715847

R715747

R7163

47

R7008220

R7164

47

R7167 47

P70

01

123456789

R710847

C7014 104ZR7288 10K

R72

992.

2KR

7300

10K

R72

9210

KR

7291

10K

R7287

10K

X70018.00MHzR

7266

10K

R72

6427

KR72

6527

K

D70021SS352

D70031SS352

C7013 104Z

Q7161TC74VHCT08AFT

1234567 GND 8

91011121314VCC

Q7165TC74VHCT08AFT

1234567 GND 8

91011121314VCC

R73

0310

K

R7403

0

C7002

4.7/50

Q7351RN1404

Q7355RN1404

R7302 10K

P2010B

123456789101112131415161718192021222324

R730110K

L7165

LBC2518T4R7M

C7027 NC

R73

62 2.2K

R7356

2.2K

R7352

2.2K

R73

571K

R73

531K

C70

0610

4ZC

7007

104Z

C70

0810

2K

C7391 104ZC7392 100/16

R727510K

R70

4947

R7391

10K

C73

83

100/

16+

C73

82

104Z

C73

8147

0/16

+

D7381

1SS352

D73821SS352

R735510K

R7366

2.2K

R73

671K

C73

71

470/

16

Q7362RN2402

C7362

105K

Q7361

RN1404

R73

631K

C73

6610

5K

C73

65

105K

C73

61

105K

C73

51

105K

Q7385S812C33AUA-C3G-T2

2 I

1G

3O

C72

66

100/

16+

C7015 102K

C7016102K

R70

26 220K

Q70

02R

N14

04

R7096220

C70

1810

2K

C70

1910

2K

C70

2010

2KR

7295

2.7K

C70

2110

2K

R70

6947

R7361 10K

R739210K

C72

6510

5K

R74

25

R74

25, C

7401

DT,

MP,

MT

Onl

y

0

R72

30

0

R74

210

P101B

13 12 11 10 9 8 7 6 5 4 3 2 1

P6853A

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

P6851A

2019181716151413121110987654321

P4021B

1234567891011121314151617181920212223242526

P4020B

1234567891011121314151617181920212223242526

C7356

105K

C73

55

105K

R72

5610

K

R72

5510

K

Q7365RN1404

Q7366RN2402

R7190220

R71

8210

0KR

7181

100K

R71

9710

0KR

7196

100K

R71

9510

0K

R7189

220

R71

8810

0KR

7187

100K

R71

8610

0KR

7185

100K

R71

8310

0K

R71

9210

0K

R71

8410

0K

R71

9410

0KR

7193

100K

C7181 104Z

R71

9122

0

C73

86

104Z

D73711SS352

D7383

1SS352

D73841SS352 C

7385

470/

16 +

C73

87

100/

16+

Q7381S812C56AUA-C3G-T2

2 I

1G

3O

D7372

1SS352

R717147

Q71

72T

C74

VH

C13

8FT

1 A2 B3 C

3-8 LINE DECODER

4 G2A5 G2B6 G17 Y78 GND 9Y6

10Y5

11Y4

12Y3

13Y2

14Y1

15Y0

16VCC

R7172 47R7173 47R7174 47R7175 47R7176 47

R7178 47R7177 47

Q7184RN2402

Q7183RN1404

Q71

71T

C74

VH

C23

8FT

1 A2 B3 C4 G2A5 G2B6 G17 Y78 GND 9Y6

10Y5

11Y4

12Y3

13Y2

14Y1

15Y0

16VCC

Q7181NJU7312AM

1 VEE

ANALOG SW

2 L13 L24 L35 L-COM16 L47 L58 L69 L-COM2

10 L711 L812 L-COM313 NC14 ST15 VSS 16

CK

17DATA

18NC

19R-COM3

20R8

21R7

22R-COM2

23R6

24R5

25R4

26R-COM1

27R3

28R2

29R1

30VDD

R7241220(1/2W)Q7262

XC6213B332MR

5 VOUT

4NC

3CE

2VSS

1VIN

Q7261XC6202P502FR

1O

2

G 3I

Q7003DTA114YKA

Q7401RN1402

C70

2510

4ZC

7024

104Z

R72

6810

KR

7269

10K

R7371

47

R7404

2.2K

C72

63

100/

16+

C72

6210

0/16

+

R72

84

100

Q7391R1EX25064ASA00A

64 kbit EEPROM

1 CS2 SO3 WP4 GND 5SI

6SCK

7HOLD

8VCC

C74

0110

0/16

R7198

560

C7183 100/16

D7181 UDZS9.1

Q71822SC2712

R74

183.

9K

R74

173.

9K

R7415

R7411, R7415-R7418TX-NR906 DT, MP, MT

Only

2.2K

ORR7416

R7413, R7414TX-NR906 Only

2.2K

R74

140

R74

130

R72

46

R72

48

R72

45

R72

47

R74

110

R72

6110

K

R72

5110

K

R72

6310

KR

7262

10K

P6852A

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

P10

2B18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

P72

10B

987654321

P75

01A

123456789

10111213141516171819202122232425262728293031323334353637383940

P8002A123456789101112131415

U28 MICROPROCESSOR PC BOARD

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

R70

01, R

7002

R70

05, R

7007

R72

62, R

7263

DC

,DD

Typ

e O

nly

+5.0V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V+3.3V

+3.3V

+5.0V

+5.0V

+5.0V

+5.0V

+5.0V

+5.0V

+9V

TU

MU

TE

_M

TU

MU

TE

FOR HD-RADIO MODEL

Q7342RN2402

Q7341RN1404

C7342

DC,DD Type Only

105K

R7297 10K

R7342

2.2K

C73

41

105KR

7343

220

NE

TR

ST

GN

DP

4S

NE

TR

XD

NE

TT

XD

NE

TS

TA

TU

S

NE

TR

ES

UM

E

SP

FO

UT

NE

TB

OO

T

NE

TS

PD

IF_3

.3V

TO NALAN-9121SD-27:G4

R74

270

P20

5B

987654321

Page 25: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-9 (SD-9) DAC SECTION

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

+5VDAC

+5VDAC

+5VDAC

+5VDAC

+3.3VDG

+5VDAC

+5VDAC

ADL-

ADL+

ADR+

ADR-

+3.3VDSP

DATA_F/DSDFL

MCK/DSDCLKBCK4/GND

LRCK4/DSDFR

MCK/DSDCLKBCK4/GNDDATA_CR/GNDLRCK4/GND

+2.5VDSP1

+2.5VDSP23

DACC

DACSL

DACFL

DACFR

SW

SL

DACSW

DACSR

DACSBR

DACSBL

+OP5

DACSWR

DACCR

OPT2

CO

AX

_3

COAX2

HDMISPF

CO

AX

_2

+9VDGPOFF2

+9VDCGNDDSP

GNDDC

GNDDAC

PO

FF

2

+5.

3VX

M

DA

C2C

SD

IGC

LKD

IGS

DO

DIG

SD

I

DA

C1C

SD

AC

RS

T

DA

CS

BR

DA

CS

BL

DA

CC

RD

AC

SW

R

DA

CF

L

GN

DD

GG

ND

DG

+9V

DG

RI

+15

DG

DA

CS

RG

ND

AG

ND

A

SP

DIF

SW

ME

QM

UT

DA

CS

LD

AC

SW

DA

CC

DA

CF

R

-15D

G

AD

LA

DR

NE

TS

PD

IF

+3.

3VS

T

FT

XD

FR

XD

DIR

INT

DIR

CS

DIR

RS

T

DS

P1R

ST

DS

P2R

ST

DS

P2I

NT

DS

P3I

NT

DS

P1C

S

DS

P1I

NT

DS

P2C

SD

SP

3CS

NIC

DE

C

DS

P3R

ST

DS

DD

ISW

DIR

SW

DS

DR

CS

WH

DP

CM

SW

OP

TF

DACRST

DIGSDO

DIGSDIDIGCLK

DAC1CS

DIGCLK

DACRST

DAC1CS

DIGSDI

DIGSDO

DIGCLK

DACRST

DAC1CS

DIGSDI

DIGSDO

LRCK4/DSDSW

BCK4/GNDMCK/DSDCLK

MCK/DSDCLKBCK4/GND

LRCK4/DSDSR

DIGCLK

DACRST

DAC2CS

DIGSDI

DIGSDO

MCK/DSDCLKBCK4/GND

LRCK4/DSDSBRDATA_SB/DSDSBL

DATA_SUR/DSDSL

DATA_CSW/DSDC

DIGCLK

DACRST

DAC1CS

DIGSDI

DIGSDO

BCK_DIRSDOUT_DIR

MCK_DIR

DATA_CSW/DSDC

LRCK_DIR

LRCK4/GND+2.5VDSP23

GNDDSP2

GNDDSP2

GNDDAC

GNDDACSPFOUT

+3.3VSPA

DSP3INT

DSP2RST

DSP2INT

DSP1RST

DSP1INT

DSDRCSW

DIRSW

DSDDISW

DEC

NIC

DSP2CS

DSP1CS

DSP3CSMEQMUT

DSP3RSTHDPCMSW

HDMISPF

GNDDSP

DATA_SUR/DSDSL

LRCK4/DSDSRGNDDSP

LRCK4/DSDSW

MCK/DSDCLKGNDDSPBCK4/GNDGNDDSP

DATA_F/DSDFL+2.5VDSP1

LRCK4/DSDFR+2.5VDSP1

DATA_SB/DSDSBL+3.3VDSP

DATA_CR/GND

LRCK4/DSDSBR+3.3VDSP

+2.5VDSP23

OM

CK

+3.

3VS

T

CO

AX

1/C

OA

X2

NE

TS

PD

IF/O

PT

F

CO

AX

3/H

DM

ISP

F

+5V

DG

+3.3VDG

+3.3VDG

DIGCLK

DIGSDO

DIGSDIDIRINT

DIGSDIDIGSDODIRCS

DIRRST

DIGCLK

ADR-

ADL-

ADL+ADR+

AD

RA

DL

+OP6

-OP6

MCK_DIRSDOUT_DIR

BCK_DIRLRCK_DIR

SPFOUT

+5VSW

COAX_1

COAX1/COAX2

COAX3/HDMISPF

FTXD

FRXD

RI

OPT1

SPFOUT

NETSPDIF

NE

TS

PD

IFO

PT

1/O

PT

2

OPTF

OP

TF

COAX1COAX3

SPDIFSW

+5VDG

SP

FO

UT

NADG-9074

TO N

AD

SP

-907

2(1/

2)S

D-1

0:E

1TO

NA

DS

P-9

072(

1/2)

SD

-10:

A3

+3.3V

+5V

R3820-R3839

R3860-R3879

560

Resistor/Capacitor Value

10K

C3820-C3839 101J

DC,DD Type Only

TO NAETC-9056SD-7:C5

TO NAETC-9056SD-7:C4

TO NAETC-9056SD-7:C3

TO N

AP

S-9

089

SD

-14:

H4

R3702

R3702-3708:330

R3703R3704

R3705

R370110K

R370947

R3708R3707R3706 R3711 10K

Q37

01P

CM

1796

DB

R

1 ZEROL2 ZEROR3 MSEL4 LRCK5 DATA6 BCK7 SCK8 DGND9 VDD

10 MS11 MDI12 MC13 MDO14 RST 15VCC2R

16AGND3R

17OUTR+

18OUTR-

19AGND1

20IREF

21VCOMR

22VCOML

23VCC1

24AGND2

25OUTL+

26OUTL-

27AGND3L

28VCC2L

L370

1LB

C25

18T

4R7M

R3722R3723R3724R3725

R372947

R3728R3727R3726

R3730 330

R373110KC372547/25

L372

3

R3742R3743R3744R3745

R374947

R3748R3747R3746

R3750 330

R375110KC374547/25

L374

3

R3762

R3762-3768: 330

R3742-3748: 330

R3722-3728: 330

R3763R3764R3765

R376947

R3768R3767R3766

R3770 330

R377110KC376547/25

L376

3

LBC

2518

T4R

7MLB

C25

18T

4R7M

LBC

2518

T4R

7M

R3782

R3782-3788:330

R3783R3784R3785

R378947

R3788R3787R3786

R3790330

R379110K

C378547/25

L378

3LB

C25

18T

4R7M

Q3808:B5

67

R3818 560

C3818 272J

C3819 272J

R3819 560

Q3809:B5

67

R3809 560

C3809 272J

Q3809:A

NE5532APSR

2

3

4

1

8

C3808 272J

R3808 560

Q3805:BNE5532APSR

5

67

R3815 560

C3815 272J

C3816 272JR3816 560

Q3806:B5

67

R3806 560

C3806 272J

Q3806:A

NE5532APSR

2

3

4

1

8

C3805 272J

R3805 560

Q3805:A

2

3

4

1

8

R3813 560

C3813 272J

C3814 272J

R3814 560

Q3804:B5

67

R3804 560

C3804 272J

C3803 272J

R3803 560

Q3802:B5

67

R3812 560

C3812 272J

C3817 272J

R3817 560

Q3807:B5

67

R3807 560

C3807 272J

Q3807:A

NE5532APSR

2

3

4

1

8

C3802 272J

R3802 560

Q3800:B5

67

R3810 560

C3810 272J

C3811 272J

Q3801:B5

67

R3801 560

C3801 272J

Q3801:A

NE5532APSR

2

3

4

1

8

R3800 560

Q3800:ANE5532APSR

2

3

4

1

8

Q3808:ANE5532APSR

2

3

4

1

8

Q3804:A

NE5532APSR

2

3

4

1

8

C38

8822

0/25

C38

8622

0/25

C38

8422

0/25

C38

8222

0/25

R372110K

L372

1LB

C25

18T

4R7M

L374

1LB

C25

18T

4R7M

Q37

41P

CM

1796

DB

R

1 ZEROL2 ZEROR3 MSEL4 LRCK5 DATA6 BCK7 SCK8 DGND9 VDD

10 MS11 MDI12 MC13 MDO14 RST 15

16171819202122232425262728

R374110K

Q37

61P

CM

1796

DB

R

1 ZEROL2 ZEROR3 MSEL4 LRCK5 DATA6 BCK7 SCK8 DGND9 VDD

10 MS11 MDI12 MC13 MDO14 RST 15

16171819202122232425262728

L376

1

LBC

2518

T4R

7M

R376110K

Q37

81P

CM

1796

DB

R

1 ZEROL2 ZEROR3 MSEL4 LRCK5 DATA6 BCK7 SCK8 DGND9 VDD

10 MS11 MDI12 MC13 MDO14 RST 15

16171819202122232425262728

R378110K

L378

1LB

C25

18T

4R7M

Q3802:A

NE5532APSR

2

3

4

1

8

Q3803:A

NE5532APSR

2

3

4

1

8

Q3803:B5

67

Q37

21P

CM

1796

DB

R

1 ZEROL2 ZEROR3 MSEL4 LRCK5 DATA6 BCK7 SCK8 DGND9 VDD

10 MS11 MDI12 MC13 MDO14 RST 15

16171819202122232425262728

C38

8022

0/25

C38

8322

0/25

R3970

22

R3972

22

R3973

22

C38

8522

0/25

R3974

22

R3975

22

C38

8722

0/25

R3976

22

R3977

22

C38

8922

0/25

Q3082:ANE5532APSR

1

4

3

28

Q3081:ANE5532APSR

1

4

3

28

C30

9522

0/25

C38

8122

0/25

Q7242TA48033AF

3 O

2G

1I

C72

43

100/

16 +

C72

42

100/

16 +

C72

41

10/5

0 +

C72

52

100/

16 +

Q7241TA4805AF

3 O

2G

1I

Q7251TA4805AF

3 O

2G

1I

Q7231SI8008TM

2SW

4 VADJ

3

GND

5SS

1VIN

R7235 5.6KR7234 56K

R72

333.

9KR

7232

1K

R7231

0.22(1/2W)

D7231 1SS352

C72

31

470/

16+

D72

32C

RS

09

R72

233.

9K

R72

221K

C72

21

470/

16+

D7221 1SS352

R72

212.

2(1/

2W)

D72

22C

RS

09

C72

23

1000

/6.3

+

Q7221SI8008TM

2 SW4 VADJ

3

GND

5SS

1VIN

R72

033.

9KR

7202

1K

D7201 1SS352

Q7201SI8008TM

2 SW4 VADJ

3

GND

5SS

1VIN

C72

03

1000

/6.3

+

D72

02C

RS

09

C30

96

220/

25

R3979

22

R3978

22

C37

8210

4J C3789 104J

C37

6210

4J C3769 104J

C37

4210

4J C3749 104J

C37

2210

4J C3729 104J

C37

0210

4J C3709 104J

C37

0122

0/10

C3707

220/10

C3708220/10

C370547/25

C3721220/10

C3727

220/10

C3728220/10

C37

4122

0/10

C3747

220/10

C3748220/10

C3761220/10

C3767

220/10

C3768220/10

C3781220/10

C3787

220/10

C3788220/10

L376

2LB

C25

18T

4R7M

LBC

2518

T4R

7MLB

C25

18T

4R7M

L376

4LB

C25

18T

4R7M

C3764 104J

C3763 220/10

L378

2LB

C25

18T

4R7ML3

784

LBC

2518

T4R

7M

C3784104J

C3783220/10

L374

2

L374

4LB

C25

18T

4R7M

C3744104J

C3743 220/10

L370

2LB

C25

18T

4R7M

L370

4LB

C25

18T

4R7M

C3704104J

C37

0322

0/10

L370

3LB

C25

18T

4R7M

L372

2

L372

4LB

C25

18T

4R7M

C3724104J

C3723 220/10

R3086

56

R3087

56

R3097

56

R3096

56

Q3081:BNE5532APSR

5

67

Q3082:B

NE5532APSR

5

67

C72

48

100/

16+

C72

47

10/5

0 +

Q7246TA48033AF

3 O

2G

1I

C72

51

10/5

0 +

C72

33

1000

/6.3 +

C3081

47/25

C3092

47/25

C3091

47/25

R7204 2.7K

R7224 2.7K

C3004

104Z

U3004GP1FAV51TKBF

1GND

2VCC

3IN

C3002

104Z

U3002

GP1FAV51RKF5

1IN

2GND

3VCC

R300147

C3001

104Z

U3001GP1FAV51RKF5

1IN

2GND

3VCC

R3004

220

Q3001TC74VHC157FT

1 SELECT2 1A3 1B4 1Y5 2A6 2B7 2Y8 GND 93Y

103B

113A

124Y

134B

144A

15ST

16VCC

R3015

75

R30

1722

0K

R301610

C3015104K

R3011

75

R30

13

220K

C3012

104KR3012

10

R3019

75 R3021220K

C3018104KR3020

10

R3014 10K

Q3021

TC74HCU04AF14 VCC13 IN612 OUT611 IN510 OUT59 IN48 OUT4 7GND

654321

R301810K

C3016080D

L3013LBC2518T2R2M

Q7232 BD7820

5D

AJ

4O

UT

PU

T3

GN

D2

INP

UT

1_S

HU

T

R72

3627

KR72

3733

0K

D7233

1SS352

C72

3410

/50

+

C72

3510

0/16

+

R72

3833

0K

P30

01

C3800 272J

C30

25

104Z

R7205 4.7K

R7225 4.7K

D7246

RL1N4003

D7245

RL1N4003

R3094

10K

R3084

10K

R3085 10K

R3095 10K

R3091

10K

R308110K

R3082 10K

R3092 10K

R39

80

220K

R39

87

220K

R39

82

220K

R39

84

220K

R39

83

220K

R39

86

220K

R39

85

220K

R39

89

220K

R39

88

220K

Q3810:A

2

3

4

1

8

C3871

47/50

C387047/50

Q3810:B5

67

R3971

22

R39

81

220K

C3877

47/50

C3872

47/50

Q3811:B

NE5532APSR

5

67

Q3811:A

2

3

4

1

8

Q3812:B

NE5532APSR

5

67

C3873

47/50

C3874

47/50

Q3813:B

NE5532APSR

5

67

Q3813:ANE5532APSR

2

3

4

1

8

C3876

47/50

C3875

47/50

Q3814:B

NE5532APSR

5

67

Q3814:ANE5532APSR

2

3

4

1

8

C3879

47/50

C3878

47/50

R3811 560

R38403.3K

R38503.3K

R3691180R3681180

R38513.3K

R38413.3K

R3690

180

R38573.3K

R3847

3.3K

R3697180

R3687180

R38423.3K

R3852

3.3K

R3682180

R3692180

Q3812:ANE5532APSR

2

3

4

1

8R38433.3K

R3853

3.3K

R3833

R3823

R38543.3K

R3844

3.3K

R3834

R3824

R3683180R

3863 C3823

R3693180R3873

C3833

R3694180

R3684180

R38

64

C38

24

R38

74 C3834

R38453.3K

R3855

3.3K

R3835

R3825

R38563.3K

R3846

3.3K

R3836

R3826

R3685180

R38

65

C38

25

R3695180

R3875 C3835

R3696180

R3686180

R38

66

C38

26

R38

76

C38

36

R38483.3K

R3858

3.3K

R3838

R3828

R38593.3K

R3849

3.3K

R3839

R3829

R3688180

R38

68

C38

28

R3698180

R3878 C3838

R3699180

R3689180

R38

69

C38

29

R38

79

C38

39

R3820

R3831

R3821

R3870

R3871

R38

61

C38

30C

3821

R3680180

R3872

C38

22

C3832

R38

77

R3837

R3827

R38

67

C38

27

C3082

47/25

C3069

104Z

R300247

C37

1110

2K

C38

31

R3083 10K

R3093 10K

L3011LBC2518T2R2M

C3011101J

L3012LBC2518T2R2M

C3014101J

C3017101J

C3019 080DR3022 10K

C72

01

470/

16+R

7201

2.2(

1/2W

)

C72

5547

0/16

+

R72

52

22(1

/2W

)

C3710

102K

C3730

102K

C3750

102K

C3770

102K

C3790

102K

R3710330 2 CH DAC

L7201

470K

L7211

470K

L7221

470K

C3022 100/16L3021LBC2518T470M

C3021 104Z

JL95

01A

123456

P38

02A

302928272625242322212019181716151413121110987654321

P38

01A

302928272625242322212019181716151413121110987654321

P3102A

1413121110987654321

P3103A

16151413121110987654321

P30

03

16

27

38

49

5

P3002

C3054104Z

R3042 47

R3046 47

R30483.9K

R30

493.

9KC30

4810

4Z

R30

60 47

C30

41

470/

10

C30

49100/

16

C30

4747

/25

C3059470/10

R3061 47

R3071 1M

Q3071TC7WU04FU1234 GND

5678

VD

L304

2LB

C25

18T

4R7M

R30

5647

C30

6110

4ZC

3062 10

4ZR

3057

47

L304

4

LBC

2518

T4R

7M

C30

5733

0JC

3056

NC

C30

5533

0J

R30

5433

0R

3053

330

R30

5233

0R

3051

330

C3073 104Z

X307124.576MHz

L304

6H

S10

2

C30

7106

0D

C30

7206

0D

C30

5110

4ZR

3059 22

0

C3045

222J

C30

5047

0/10

C30

4622

2J

L304

1

C30

6410

2K

C30

42

470/

10

L304

5LM

182

C3052102KC3053223K

L3071LBC2518T470M

L3072LM182

R30

5847

R3045 1KR3043 1K

R3041 1K

R3047 220

C30

5833

0J

C3043104Z

C3044 104Z

C3065104Z

R3098

390

R3099

390

Q3041CS42516-CQ

DIR & CODEC

33 AOUTA2-34 AOUTB1-35 AOUTB1+36 AOUTA1+37 AOUTA1-38 MUTEC39 LPFLT40 AGND241 VARX42 RXP7/GP743 RXP6/GP644 RXP5/GP545 RXP4/GP446 RXP3/GP347 RXP2/GP248 RXP1/GP1

49

49:R

XP

0

50

50:T

XP

51V

D2

52D

GN

D2

53V

LS54

SA

I_S

DO

UT

55R

MC

K56

CX

_SD

OU

T57

AD

CIN

258

AD

CIN

159

OM

CK

60S

AI_

LRC

K61

SA

I_S

LCK

62

62:C

X_S

DIN

4

63

63:C

X_S

DIN

3

64

64:C

X_S

DIN

2

1CX_SDIN1

2CX_SCLK

3CX_LRCK

4VD1

5DGND1

6VLC

7CCLK/SCL

8CDOUT/SAD

9CDIN/AD1

10CS/AD0

11INT1

12_RST

13AINR-

14AINR+

15AINL+

16AINL-

17V

Q

18F

LT+

19R

EF

GN

D

20A

OU

TB

4-

21A

OU

TB

4+

22A

OU

TA4+

23A

OU

TA4-

24V

A

25A

GN

D1

26A

OU

TB

3-

27A

OU

TB

3+

28A

OU

TA3+

29A

OU

TA3-

30

30:A

OU

TB

2-

31

31:A

OU

TB

2+

32

32:A

OU

TA2+

R3050

1.5K

L3043

LBC2518T4R7M

L3001

LBC2518T470M

C3013 080D

C3034 1/50

C3033 1/50

R3034330

C30

36

104Z

R3035

10K

R3031 10K

C3032 1/50

R303710K

Q3031ICL3221E

RS232 TRANCEIVER

1 EN2 C1+3 V+4 C1-5 C2+6 C2-7 V-8 R1IN 9R1OUT

10INVALID

11T1IN

12FORCEON

13T1OUT

14GND

15VCC

16FORCEOFF L3031LBC2518T470M

C30

3510

0/16

R3033330

C3031 1/50R3032330

R3036

330RS232

RI

COAXIAL

IN 1

IN 2

IN 1

IN 2

OUT

OPTICAL

IN 3

R3025

220

C3037

104Z

C3006

100/16

R30

2347

C30

08

100/

16

C30

0710

4Z

L3002LBC2518T470M

R3830

R38

62

R3822

R3832

C38

20

R38

60

C38

37

R30

0710

K

P3101A

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

R30

76

0

U27 DAC PC BOARD

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

VCC2RAGND3R

OUTR+OUTR-AGND1

IREFVCOMRVCOML

VCC1AGND2OUTL+OUTL-

AGND3LVCC2L

2 CH DAC

VCC2RAGND3R

OUTR+OUTR-AGND1

IREFVCOMRVCOML

VCC1AGND2OUTL+OUTL-

AGND3LVCC2L

2 CH DAC

VCC2RAGND3R

OUTR+OUTR-AGND1

IREFVCOMRVCOML

VCC1AGND2OUTL+OUTL-

AGND3LVCC2L

2 CH DAC

VCC2RAGND3R

OUTR+OUTR-AGND1

IREFVCOMRVCOML

VCC1AGND2OUTL+OUTL-

AGND3LVCC2L

2 CH DAC

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+14.4V

-14.4V

+14.4V

-14.4V

+14.4V

-14.4V

+14.4V

-14.4V

+14.4V

-14.4V

+14.4V

-14.4V

+5.0V

+5.0V

+5.0V

+5.0V

+5.0V

+5.0V

+5.0V

+5.0V

+5.0V

+5.0V

+2.4V

+2.4V

+5.9V

+5.9V

+4.5V

WF01

WF02

WF03 WF04 WF05

WF07

WF06

WF08

WF09

WF10

<Note>1. Refer to SCHEMATIC DIAGRAM-29 (SD-29) for digital audio signal flow wave forms.

WF01 is short for WaveForm01 .2.

R3880

10K

R39

1022

K

R3920

22K

R3930

22K

R3940

22K

Q3840:A

2

3

4

1

8

Q3830:A

2

3

4

1

8

Q3820:A

2

3

4

1

8

Q3840:B5

67

R39

501.

5K

R39

60

1.5K

C38

50

122J

C3860

471J

R3890

10K

R3900

1.5K

Q3820:B

5

67

R389110K

R3901

1.5K

R3881

10K

R39

11

22K

R3921

22K

R3931

22K

R3941

22K

Q3830:B

5

67

R39

51

1.5K

R39

61

1.5K

R3887

10K

C38

57

122J

R39

571.

5KR

3967

1.5K

R3927

22K

R39

1722

K

C38

67

471J

R3937

22K

R3947 22K

R3882

10K

R39

12

22K

R3922

22K

R3932

22K

R3942

22K

Q3841:A

2

3

4

1

8

Q3831:A

2

3

4

1

8

Q3821:A

2

3

4

1

8

Q3821:B

5

67

Q3831:B

5

67

Q3841:B5

67

R39

521.

5K

R39

62

1.5K

C38

5212

2J

C3862

471J

R3892

10K

R3897

10K

R3907

1.5K

R3902

1.5K

R3884

10K

C38

54

122J

R39

541.

5KR

3964

1.5K

R3924

22K

R39

1422

K

C3864

471J

R3934

22K

R3944

22K

R3883

10K

R39

13

22K

R3923

22K

R3933

22K

R394322K

Q3842:A

2

3

4

1

8

Q3832:A

2

3

4

1

8

Q3822:A

2

3

4

1

8

Q3822:B

5

67

Q3832:B

5

67

Q3842:B5

67

R39

531.

5KR

3963

1.5K

C38

53

122J

C3863

471J

R3893

10K

R3894

10K

R3904

1.5K

R3903

1.5K

R3886

10K

C38

5612

2J

R39

561.

5KR

3966

1.5K

R3926

22K

R39

16

22K

C3866

471J

R3936

22K

R3946

22K

R3885

10K

R39

1522

K

R3925

22K

R3935

22K

R3945

22K

Q3843:A

2

3

4

1

8

Q3833:A

2

3

4

1

8

Q3823:A

2

3

4

1

8

Q3823:B

5

67

Q3833:B

5

67

Q3843:B5

67

R39

551.

5KR

3965

1.5K

C38

55

122J

C3865

471J

R3895

10K

R3896

10K

R3906

1.5K

R3905

1.5K

R3889

10K

C38

5912

2J

R39

591.

5KR

3969

1.5K

R3929

22K

R39

1922

K

C3869

471J

R3939

22K

R394922K

R3888

10K

R39

18

22K

R3928

22K

R3938

22K

R3948

22K

Q3844:A

2

3

4

1

8

Q3834:A

2

3

4

1

8

Q3824:A

2

3

4

1

8

Q3824:B

5

67

Q3834:B

5

67

Q3844:B5

67

R39

581.

5KR

3968

1.5KC3858

122J

C3868

471J

R3898

10K

R389910K

R39091.5K

R3908

1.5K

C3861

471JC38

51

122J

Page 26: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-9 (SD-9) DAC SECTION

A

1

2

3

4

5

B C D E F G H

+5VDAC

+5VDAC

+5VDAC

+5VDAC

+3.3VDG

+5VDAC

+5VDAC

ADL-

ADL+

ADR+

ADR-

+3.3VDSP

DATA_F/DSDFL

MCK/DSDCLKBCK4/GND

LRCK4/DSDFR

MCK/DSDCLKBCK4/GNDDATA_CR/GNDLRCK4/GND

+2.5VDSP1

+2.5VDSP23

DACC

DACSL

DACFL

DACFR

SW

SL

DACSW

DACSR

DACSBR

DACSBL

+OP5

DACSWR

DACCR

OPT2

CO

AX

_3

COAX2

HDMISPF

CO

AX

_2

+9VDGPOFF2

+9VDCGNDDSP

GNDDC

GNDDAC

PO

FF

2

+5.

3VX

M

DA

C2C

SD

IGC

LKD

IGS

DO

DIG

SD

I

DA

C1C

SD

AC

RS

T

DA

CS

BR

DA

CS

BL

DA

CC

RD

AC

SW

R

DA

CF

L

GN

DD

GG

ND

DG

+9V

DG

RI

+15

DG

DA

CS

RG

ND

AG

ND

A

SP

DIF

SW

ME

QM

UT

DA

CS

LD

AC

SW

DA

CC

DA

CF

R

-15D

G

AD

LA

DR

NE

TS

PD

IF

+3.

3VS

T

FT

XD

FR

XD

DIR

INT

DIR

CS

DIR

RS

T

DS

P1R

ST

DS

P2R

ST

DS

P2I

NT

DS

P3I

NT

DS

P1C

S

DS

P1I

NT

DS

P2C

SD

SP

3CS

NIC

DE

C

DS

P3R

ST

DS

DD

ISW

DIR

SW

DS

DR

CS

WH

DP

CM

SW

OP

TF

DACRST

DIGSDO

DIGSDIDIGCLK

DAC1CS

DIGCLK

DACRST

DAC1CS

DIGSDI

DIGSDO

DIGCLK

DACRST

DAC1CS

DIGSDI

DIGSDO

LRCK4/DSDSW

BCK4/GNDMCK/DSDCLK

MCK/DSDCLKBCK4/GND

LRCK4/DSDSR

DIGCLK

DACRST

DAC2CS

DIGSDI

DIGSDO

MCK/DSDCLKBCK4/GND

LRCK4/DSDSBRDATA_SB/DSDSBL

DATA_SUR/DSDSL

DATA_CSW/DSDC

DIGCLK

DACRST

DAC1CS

DIGSDI

DIGSDO

BCK_DIRSDOUT_DIR

MCK_DIR

DATA_CSW/DSDC

LRCK_DIR

LRCK4/GND+2.5VDSP23

GNDDSP2

GNDDSP2

GNDDAC

GNDDACSPFOUT

+3.3VSPA

DSP3INT

DSP2RST

DSP2INT

DSP1RST

DSP1INT

DSDRCSW

DIRSW

DSDDISW

DEC

NIC

DSP2CS

DSP1CS

DSP3CSMEQMUT

DSP3RSTHDPCMSW

HDMISPF

GNDDSP

DATA_SUR/DSDSL

LRCK4/DSDSRGNDDSP

LRCK4/DSDSW

MCK/DSDCLKGNDDSPBCK4/GNDGNDDSP

DATA_F/DSDFL+2.5VDSP1

LRCK4/DSDFR+2.5VDSP1

DATA_SB/DSDSBL+3.3VDSP

DATA_CR/GND

LRCK4/DSDSBR+3.3VDSP

+2.5VDSP23

OM

CK

+3.

3VS

T

CO

AX

1/C

OA

X2

NE

TS

PD

IF/O

PT

F

CO

AX

3/H

DM

ISP

F

+5V

DG

+3.3VDG

+3.3VDG

DIGCLK

DIGSDO

DIGSDIDIRINT

DIGSDIDIGSDODIRCS

DIRRST

DIGCLK

ADR-

ADL-

ADL+ADR+

AD

RA

DL

+OP6

-OP6

MCK_DIRSDOUT_DIR

BCK_DIRLRCK_DIR

SPFOUT

+5VSW

COAX_1

COAX1/COAX2

COAX3/HDMISPF

FTXD

FRXD

RI

OPT1

SPFOUT

NETSPDIF

NE

TS

PD

IFO

PT

1/O

PT

2

OPTF

OP

TF

COAX1COAX3

SPDIFSW

+5VDG

SP

FO

UT

NADG-9074

TO N

AD

SP

-907

2(1/

2)S

D-1

0:E

1TO

NA

DS

P-9

072(

1/2)

SD

-10:

A3

+3.3V

+5V

R3820-R3839

R3860-R3879

560

Resistor/Capacitor Value

10K

C3820-C3839 101J

DC,DD Type Only

TO NAETC-9056SD-7:C5

TO NAETC-9056SD-7:C4

TO NAETC-9056SD-7:C3

TO N

AP

S-9

089

SD

-14:

H4

R3702

R3702-3708:330

R3703R3704

R3705

R370110K

R370947

R3708R3707R3706 R3711 10K

Q37

01P

CM

1796

DB

R

1 ZEROL2 ZEROR3 MSEL4 LRCK5 DATA6 BCK7 SCK8 DGND9 VDD

10 MS11 MDI12 MC13 MDO14 RST 15VCC2R

16AGND3R

17OUTR+

18OUTR-

19AGND1

20IREF

21VCOMR

22VCOML

23VCC1

24AGND2

25OUTL+

26OUTL-

27AGND3L

28VCC2L

L370

1LB

C25

18T

4R7M

R3722R3723R3724R3725

R372947

R3728R3727R3726

R3730 330

R373110KC372547/25

L372

3

R3742R3743R3744R3745

R374947

R3748R3747R3746

R3750 330

R375110KC374547/25

L374

3

R3762

R3762-3768: 330

R3742-3748: 330

R3722-3728: 330

R3763R3764R3765

R376947

R3768R3767R3766

R3770 330

R377110KC376547/25

L376

3

LBC

2518

T4R

7MLB

C25

18T

4R7M

LBC

2518

T4R

7M

R3782

R3782-3788:330

R3783R3784R3785

R378947

R3788R3787R3786

R3790330

R379110K

C378547/25

L378

3LB

C25

18T

4R7M

Q3808:B5

67

R3818 560

C3818 272J

C3819 272J

R3819 560

Q3809:B5

67

R3809 560

C3809 272J

Q3809:A

NE5532APSR

2

3

4

1

8C3808 272J

R3808 560

Q3805:BNE5532APSR

5

67

R3815 560

C3815 272J

C3816 272JR3816 560

Q3806:B5

67

R3806 560

C3806 272J

Q3806:A

NE5532APSR

2

3

4

1

8

C3805 272J

R3805 560

Q3805:A

2

3

4

1

8

R3813 560

C3813 272J

C3814 272J

R3814 560

Q3804:B5

67

R3804 560

C3804 272J

C3803 272J

R3803 560

Q3802:B5

67

R3812 560

C3812 272J

C3817 272J

R3817 560

Q3807:B5

67

R3807 560

C3807 272J

Q3807:A

NE5532APSR

2

3

4

1

8

C3802 272J

R3802 560

Q3800:B5

67

R3810 560

C3810 272J

C3811 272J

Q3801:B5

67

R3801 560

C3801 272J

Q3801:A

NE5532APSR

2

3

4

1

8

R3800 560

Q3800:ANE5532APSR

2

3

4

1

8

Q3808:ANE5532APSR

2

34

18

Q3804:A

NE5532APSR

2

3

4

1

8

C38

8822

0/25

C38

8622

0/25

C38

8422

0/25

C38

8222

0/25

R372110K

L372

1LB

C25

18T

4R7M

L374

1LB

C25

18T

4R7M

Q37

41P

CM

1796

DB

R

1 ZEROL2 ZEROR3 MSEL4 LRCK5 DATA6 BCK7 SCK8 DGND9 VDD

10 MS11 MDI12 MC13 MDO14 RST 15

16171819202122232425262728

R374110K

Q37

61P

CM

1796

DB

R

1 ZEROL2 ZEROR3 MSEL4 LRCK5 DATA6 BCK7 SCK8 DGND9 VDD

10 MS11 MDI12 MC13 MDO14 RST 15

16171819202122232425262728

L376

1

LBC

2518

T4R

7M

R376110K

Q37

81P

CM

1796

DB

R

1 ZEROL2 ZEROR3 MSEL4 LRCK5 DATA6 BCK7 SCK8 DGND9 VDD

10 MS11 MDI12 MC13 MDO14 RST 15

16171819202122232425262728

R378110K

L378

1LB

C25

18T

4R7M

Q3802:A

NE5532APSR

2

3

4

1

8

Q3803:A

NE5532APSR

2

3

4

1

8

Q3803:B5

67

Q37

21P

CM

1796

DB

R

1 ZEROL2 ZEROR3 MSEL4 LRCK5 DATA6 BCK7 SCK8 DGND9 VDD

10 MS11 MDI12 MC13 MDO14 RST 15

16171819202122232425262728

C38

8022

0/25

C38

8322

0/25

R3970

22

R3972

22

R3973

22

C38

8522

0/25

R3974

22

R3975

22

C38

8722

0/25

R3976

22

R3977

22

C38

8922

0/25

Q3082:ANE5532APSR

1

4

3

28

Q3081:ANE5532APSR

1

4

3

28

C30

9522

0/25

C38

8122

0/25

Q7242TA48033AF

3 O

2G

1I

C72

43

100/

16 +

C72

42

100/

16 +

C72

41

10/5

0 +

C72

52

100/

16 +

Q7241TA4805AF

3 O

2G

1I

Q7251TA4805AF

3 O

2G

1I

Q7231SI8008TM

2SW

4 VADJ

3

GND

5SS

1VIN

R7235 5.6KR7234 56K

R72

333.

9KR

7232

1K

R7231

0.22(1/2W)

D7231 1SS352

C72

31

470/

16+

D72

32C

RS

09

R72

233.

9K

R72

221K

C72

21

470/

16+

D7221 1SS352

R72

212.

2(1/

2W)

D72

22C

RS

09

C72

23

1000

/6.3

+

Q7221SI8008TM

2 SW4 VADJ

3

GND

5SS

1VIN

R72

033.

9KR

7202

1K

D7201 1SS352

Q7201SI8008TM

2 SW4 VADJ

3

GND

5SS

1VIN

C72

03

1000

/6.3

+

D72

02C

RS

09

C30

96

220/

25

R3979

22

R3978

22

C37

8210

4J C3789 104J

C37

6210

4J C3769 104J

C37

4210

4J C3749 104J

C37

2210

4J C3729 104J

C37

0210

4J C3709 104J

C37

0122

0/10

C3707

220/10

C3708220/10

C370547/25

C3721220/10

C3727

220/10

C3728220/10

C37

4122

0/10

C3747

220/10

C3748220/10

C3761220/10

C3767

220/10

C3768220/10

C3781220/10

C3787

220/10

C3788220/10

L376

2LB

C25

18T

4R7M

LBC

2518

T4R

7MLB

C25

18T

4R7M

L376

4LB

C25

18T

4R7M

C3764 104J

C3763 220/10

L378

2LB

C25

18T

4R7ML3

784

LBC

2518

T4R

7M

C3784104J

C3783220/10

L374

2

L374

4LB

C25

18T

4R7M

C3744104J

C3743 220/10

L370

2LB

C25

18T

4R7M

L370

4LB

C25

18T

4R7M

C3704104J

C37

0322

0/10

L370

3LB

C25

18T

4R7M

L372

2

L372

4LB

C25

18T

4R7M

C3724104J

C3723 220/10

R3086

56

R3087

56

R3097

56

R3096

56

Q3081:BNE5532APSR

5

67

Q3082:B

NE5532APSR

5

67

C72

48

100/

16+

C72

47

10/5

0 +

Q7246TA48033AF

3 O

2G

1I

C72

51

10/5

0 +

C72

33

1000

/6.3 +

C3081

47/25

C3092

47/25

C3091

47/25

R7204 2.7K

R7224 2.7K

C3004

104Z

U3004GP1FAV51TKBF

1GND

2VCC

3IN

C3002

104Z

U3002

GP1FAV51RKF5

1IN

2GND

3VCC

R300147

C3001

104Z

U3001GP1FAV51RKF5

1IN

2GND

3VCC

R3004

220

Q3001TC74VHC157FT

1 SELECT2 1A3 1B4 1Y5 2A6 2B7 2Y8 GND 93Y

103B

113A

124Y

134B

144A

15ST

16VCC

R3015

75

R30

1722

0K

R301610

C3015104K

R3011

75

R30

13

220K

C3012

104KR3012

10

R3019

75 R3021220K

C3018104KR3020

10

R3014 10K

Q3021

TC74HCU04AF14 VCC13 IN612 OUT611 IN510 OUT59 IN48 OUT4 7GND

654321

R301810K

C3016080D

L3013LBC2518T2R2M

Q7232 BD7820

5D

AJ

4O

UT

PU

T3

GN

D2

INP

UT

1_S

HU

T

R72

3627

KR72

3733

0K

D7233

1SS352

C72

3410

/50

+

C72

3510

0/16

+

R72

3833

0K

P30

01

C3800 272J

C30

25

104Z

R7205 4.7K

R7225 4.7K

D7246

RL1N4003

D7245

RL1N4003

R3094

10K

R3084

10K

R3085 10K

R3095 10K

R3091

10K

R308110K

R3082 10K

R3092 10K

R39

80

220K

R39

87

220K

R39

82

220K

R39

84

220K

R39

83

220K

R39

86

220K

R39

85

220K

R39

89

220K

R39

88

220K

Q3810:A

2

3

4

1

8

C3871

47/50

C387047/50

Q3810:B5

67

R3971

22

R39

81

220K

C3877

47/50

C3872

47/50

Q3811:B

NE5532APSR

5

67

Q3811:A

2

3

4

1

8

Q3812:B

NE5532APSR

5

67

C3873

47/50

C3874

47/50

Q3813:B

NE5532APSR

5

67

Q3813:ANE5532APSR

2

3

4

1

8

C3876

47/50

C3875

47/50

Q3814:B

NE5532APSR

5

67

Q3814:ANE5532APSR

2

3

4

1

8

C3879

47/50

C3878

47/50

R3811 560

R38403.3K

R38503.3K

R3691180R3681180

R38513.3K

R38413.3K

R3690

180

R38573.3K

R3847

3.3K

R3697180

R3687180

R38423.3K

R3852

3.3K

R3682180

R3692180

Q3812:ANE5532APSR

2

3

4

1

8R38433.3K

R3853

3.3K

R3833

R3823

R38543.3K

R3844

3.3K

R3834

R3824

R3683180R

3863 C3823

R3693180R3873

C3833

R3694180

R3684180

R38

64

C38

24

R38

74 C3834

R38453.3K

R3855

3.3K

R3835

R3825

R38563.3K

R3846

3.3K

R3836

R3826

R3685180

R38

65

C38

25

R3695180

R3875 C3835

R3696180

R3686180

R38

66

C38

26

R38

76

C38

36

R38483.3K

R3858

3.3K

R3838

R3828

R38593.3K

R3849

3.3K

R3839

R3829

R3688180

R38

68

C38

28

R3698180

R3878 C3838

R3699180

R3689180

R38

69

C38

29

R38

79

C38

39

R3820

R3831

R3821

R3870

R3871

R38

61

C38

30C

3821

R3680180

R3872

C38

22

C3832

R38

77

R3837

R3827

R38

67

C38

27

C3082

47/25

C3069

104Z

R300247

C37

1110

2K

C38

31

R3083 10K

R3093 10K

L3011LBC2518T2R2M

C3011101J

L3012LBC2518T2R2M

C3014101J

C3017101J

C3019 080DR3022 10K

C72

01

470/

16+R

7201

2.2(

1/2W

)

C72

5547

0/16

+

R72

52

22(1

/2W

)

C3710

102K

C3730

102K

C3750

102K

C3770

102K

C3790

102K

R3710330 2 CH DAC

L7201

470K

L7211

470K

L7221

470K

C3022 100/16L3021LBC2518T470M

C3021 104Z

JL95

01A

123456

P38

02A

302928272625242322212019181716151413121110987654321

P38

01A

302928272625242322212019181716151413121110987654321

P3102A

1413121110987654321

P3103A

16151413121110987654321

P30

03

16

27

38

49

5

P3002

C3054104Z

R3042 47

R3046 47

R30483.9K

R30

493.

9KC30

4810

4Z

R30

60 47

C30

41

470/

10

C30

49100/

16

C30

4747

/25

C3059470/10

R3061 47

R3071 1M

Q3071TC7WU04FU1234 GND

5678

VD

L304

2LB

C25

18T

4R7M

R30

5647

C30

6110

4ZC

3062 10

4ZR

3057

47

L304

4

LBC

2518

T4R

7M

C30

5733

0JC

3056

NC

C30

5533

0J

R30

5433

0R

3053

330

R30

5233

0R

3051

330

C3073 104Z

X307124.576MHz

L304

6H

S10

2

C30

7106

0D

C30

7206

0D

C30

5110

4ZR

3059 22

0

C3045

222J

C30

5047

0/10

C30

4622

2J

L304

1

C30

6410

2K

C30

42

470/

10

L304

5LM

182

C3052102KC3053223K

L3071LBC2518T470M

L3072LM182

R30

5847

R3045 1KR3043 1K

R3041 1K

R3047 220

C30

5833

0J

C3043104Z

C3044 104Z

C3065104Z

R3098

390

R3099

390

Q3041CS42516-CQ

DIR & CODEC

33 AOUTA2-34 AOUTB1-35 AOUTB1+36 AOUTA1+37 AOUTA1-38 MUTEC39 LPFLT40 AGND241 VARX42 RXP7/GP743 RXP6/GP644 RXP5/GP545 RXP4/GP446 RXP3/GP347 RXP2/GP248 RXP1/GP1

49

49:R

XP

0

50

50:T

XP

51V

D2

52D

GN

D2

53V

LS54

SA

I_S

DO

UT

55R

MC

K56

CX

_SD

OU

T57

AD

CIN

258

AD

CIN

159

OM

CK

60S

AI_

LRC

K61

SA

I_S

LCK

62

62:C

X_S

DIN

4

63

63:C

X_S

DIN

3

64

64:C

X_S

DIN

2

1CX_SDIN1

2CX_SCLK

3CX_LRCK

4VD1

5DGND1

6VLC

7CCLK/SCL

8CDOUT/SAD

9CDIN/AD1

10CS/AD0

11INT1

12_RST

13AINR-

14AINR+

15AINL+

16AINL-

17V

Q

18F

LT+

19R

EF

GN

D

20A

OU

TB

4-

21A

OU

TB

4+

22A

OU

TA4+

23A

OU

TA4-

24V

A

25A

GN

D1

26A

OU

TB

3-

27A

OU

TB

3+

28A

OU

TA3+

29A

OU

TA3-

30

30:A

OU

TB

2-

31

31:A

OU

TB

2+

32

32:A

OU

TA2+

R3050

1.5K

L3043

LBC2518T4R7M

L3001

LBC2518T470M

C3013 080D

C3034 1/50

C3033 1/50

R3034330

C30

36

104Z

R3035

10K

R3031 10K

C3032 1/50

R303710K

Q3031ICL3221E

RS232 TRANCEIVER

1 EN2 C1+3 V+4 C1-5 C2+6 C2-7 V-8 R1IN 9R1OUT

10INVALID

11T1IN

12FORCEON

13T1OUT

14GND

15VCC

16FORCEOFF L3031LBC2518T470M

C30

3510

0/16

R3033330

C3031 1/50R3032330

R3036

330RS232

RI

COAXIAL

IN 1

IN 2

IN 1

IN 2

OUT

OPTICAL

IN 3

R3025

220

C3037

104Z

C3006

100/16

R30

2347

C30

08

100/

16

C30

0710

4Z

L3002LBC2518T470M

R3830

R38

62

R3822

R3832

C38

20

R38

60

C38

37

R30

0710

K

P3101A

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

R30

76

0

U27 DAC PC BOARD

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

VCC2RAGND3R

OUTR+OUTR-AGND1

IREFVCOMRVCOML

VCC1AGND2OUTL+OUTL-

AGND3LVCC2L

2 CH DAC

VCC2RAGND3R

OUTR+OUTR-AGND1

IREFVCOMRVCOML

VCC1AGND2OUTL+OUTL-

AGND3LVCC2L

2 CH DAC

VCC2RAGND3R

OUTR+OUTR-AGND1

IREFVCOMRVCOML

VCC1AGND2OUTL+OUTL-

AGND3LVCC2L

2 CH DAC

VCC2RAGND3R

OUTR+OUTR-AGND1

IREFVCOMRVCOML

VCC1AGND2OUTL+OUTL-

AGND3LVCC2L

2 CH DAC

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+14.4V

-14.4V

+14.4V

-14.4V

+14.4V

-14.4V

+14.4V

-14.4V

+14.4V

-14.4V

+14.4V

-14.4V

+5.0V

+5.0V

+5.0V

+5.0V

+5.0V

+5.0V

+5.0V

+5.0V

+5.0V

+5.0V

+2.4V

+2.4V

+5.9V

+5.9V

+4.5V

WF01

WF02

WF03 WF04 WF05

WF07

WF06

WF08

WF09

WF10

<Note>1. Refer to SCHEMATIC DIAGRAM-29 (SD-29) for digital audio signal flow wave forms.

WF01 is short for WaveForm01 .2.

R3880

10K

R39

1022

K

R3920

22K

R3930

22K

R3940

22K

Q3840:A

2

3

4

1

8

Q3830:A

2

3

4

1

8

Q3820:A

2

3

4

1

8

Q3840:B5

67

R39

501.

5K

R39

60

1.5K

C38

50

122J

C3860

471J

R3890

10K

R3900

1.5K

Q3820:B

5

67

R389110K

R3901

1.5K

R3881

10K

R39

11

22K

R3921

22K

R3931

22K

R3941

22K

Q3830:B

5

67

R39

51

1.5K

R39

61

1.5K

R3887

10K

C38

57

122J

R39

571.

5KR

3967

1.5K

R3927

22K

R39

1722

K

C38

67

471J

R3937

22K

R3947 22K

R3882

10K

R39

12

22K

R3922

22K

R3932

22K

R3942

22K

Q3841:A

2

34

18

Q3831:A

2

3

4

1

8Q3821:A

2

3

4

1

8

Q3821:B

5

67

Q3831:B

5

67

Q3841:B5

67

R39

521.

5K

R39

62

1.5K

C38

5212

2J

C3862

471J

R3892

10K

R3897

10K

R3907

1.5K

R3902

1.5K

R3884

10K

C38

54

122J

R39

541.

5KR

3964

1.5K

R3924

22K

R39

1422

K

C3864

471J

R393422

K

R3944

22K

R3883

10K

R39

13

22K

R3923

22K

R3933

22K

R394322K

Q3842:A

2

3

4

1

8

Q3832:A

2

3

4

1

8

Q3822:A

2

34

18

Q3822:B

5

67

Q3832:B

5

67

Q3842:B5

67

R39

531.

5KR

3963

1.5K

C38

53

122J

C3863

471J

R3893

10K

R3894

10K

R3904

1.5K

R3903

1.5K

R3886

10K

C38

5612

2J

R39

561.

5KR

3966

1.5K

R3926

22K

R39

16

22K

C3866

471J

R3936

22K

R3946

22K

R3885

10K

R39

1522

K

R3925

22K

R3935

22K

R3945

22K

Q3843:A

2

3

4

1

8

Q3833:A

2

3

4

1

8

Q3823:A

2

3

4

1

8

Q3823:B

5

67

Q3833:B

5

67

Q3843:B5

67

R39

551.

5KR

3965

1.5K

C38

55

122J

C3865

471J

R3895

10K

R3896

10K

R3906

1.5K

R3905

1.5K

R3889

10K

C38

5912

2J

R39

591.

5KR

3969

1.5K

R3929

22K

R39

1922

K

C3869

471J

R3939

22K

R394922K

R3888

10K

R39

18

22K

R3928

22K

R3938

22K

R3948

22K

Q3844:A

2

3

4

1

8

Q3834:A

2

3

4

1

8

Q3824:A

2

3

4

1

8

Q3824:B

5

67

Q3834:B

5

67

Q3844:B5

67

R39

581.

5KR

3968

1.5KC3858

122J

C3868

471J

R3898

10K

R389910K

R39091.5K

R3908

1.5K

C3861

471JC38

51

122J

Page 27: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-10 (SD-10) DSP SECTION-1

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

DSP1RST

DIGSDIDIGSDODIGCLKDSP1CSDSP1INT

DSP1RST

NICDEC

CLKIN3

CLK_ACKE_A

A9AA8AA7A

A4AA5AA6A

WE_ACAS_A

SDCS_A

A3A

A0AA1AA2A

D16AD17A

D18AD19A

D20AD21A

D22AD23A D24A

D25A

D26AD27A

D28AD29A

D30AD31A

BA0AA10A

DQM2_ADQM3_A

PCMCSW4

PCMF4

DSDC LRCK4

LRCK4

PCMSUR4

PCMSB4

DSDSL LRCK4

DSDCLK

LRCK4/GND2

LRCK4/DSDSR/RC

PCMSUR4/DSDSL

LRCK4/DSDFRLRCK4/DSDSW

PCMCSW4/DSDC

PCMF4/DSDFLDSDFL

DSDFL LRCK4

LRCK4/DSDFR2

PCMSB4/DSDFL

D17AD18AD19AD20AD21AD22A

D28AD29AD30AD31A

D23AD24AD25AD26AD27A

D5AD6AD7AD8AD9AD10AD11AD12AD13AD14AD15AD16A

D0AD1AD2AD3AD4A

GPIO2AGPIO3AGPIO4AGPIO5AGPIO6AGPIO7A

A0AA1AA2AA3AA4AA5AA6AA7AA8AA9AA10AA11AA12A

TDI_2

EMU0_DSPEMU1_DSP

TRST

TDI_1TMS_DSP

BA1ABA0A

SDCS_AFLCS_ACAS_A

OE_A

WE_ACKE_ACLK_ADQM0_ADQM1_ADQM2_ADQM3_A

+3.3VS1

PC

MB

CK

/DS

DC

LK

BC

K_D

IR

LRC

K_D

IR

SDOUT_DIRMCK_DIR

RAS_A

RAS_A

PCMLRCK

BCK4/DSDCLK

LRCK4

PCMCR4/GND

PCMCR4

GN

DH

D

GN

DH

D

PC

MB

CK

/DS

DC

LK

BCK4/GND

BCK4

+3.

3L1

TCK_DSP

LRCK2MCK

BCK2

PCMSB1/DSDSR

PCMF1/DSDFL

LRCK1BCK1

BCK1LRCK1

PCMSUR2PCMCSW2PCMSB2

PCMF2

DIRSW

MCK

PCMCSW1/DSDSWPCMSUR1/DSDC

DSDSL

MCK

DSDFR

DSDSLDSDC

DSDSW

DSDSR/RC

MCK

DSDFR

DSDFR

DSDSR/RC

+2.

4VD

SP

23

MC

K_H

D

PC

MF

PCMSB1/DSDSR

PCMF1/DSDFL

MC

K_H

DM

I

PC

MC

SW

/DS

DS

W

PC

MS

BLR

/DS

DS

RP

CM

SLR

/DS

DC

PCMSUR1/DSDCPCMCSW1/DSDSW

PC

MLR

/DS

DF

L

PC

MLR

CK

/DS

DF

R

DSDFR

HD

SP

DIF

DS

DC

LK

HD

PC

MS

W

DSDSL

HDMISPF_3.3V

BA0AA10A

A3A

A0AA1AA2A

A9AA8AA7A

A4AA5AA6A

D0AD1A

D2AD3A

D4AD5A

D6AD7A

D15AD14A

D12A

D11AD10A

D9AD8A

D13A

CLK_ACKE_A

WE_ACAS_A

SDCS_A

DQM0_ADQM1_A

RAS_A

WE_A

A7AA8AA9AA10AA11A

FLCS_ABA1A

D0A

D2A

D3A

D4A

D5A

D6A

D7A

A12AGPIO2A

GPIO7A

GPIO4AGPIO3A

OE_A

A1AA2AA3AA4AA5AA6A

GPIO6AGPIO5A

A0A

D1AD8A

D9A

D10A

D11A

D12A

D13A

D14A

D15A

+3.

3VD

SP

GN

DD

G

TRST

PD

TMSTDI

TCKEMU0

TCK_RETTDO

EMU1

TRST

EMU1_DSPEMU0_DSPTDI_4

TDI_1TMS_DSP

TCK_DSP

PC

MF

4P

CM

CR

4P

CM

SU

R4

PC

MS

B4

PC

MC

SW

4

BC

K4

LRC

K4

GNDDG+3.3VDSP

+2.4VDSP23

LRCK4/DSDSR/RC

PCMCSW4/DSDC

LRCK4/DSDSW

BCK4/DSDCLK

BCK4/GND

PCMF4/DSDFL

LRCK4/DSDFR

LRCK4/GND2

PCMSB4/DSDFL

PCMCR4/GND

LRCK4/DSDFR2

GNDDG

GNDDG

PCMSUR4/DSDSLDIGSDO

DIGCLK

DIGSDI

MCK_DIRBCK_DIRSDOUT_DIR

GNDDGLRCK_DIR

+2.4VDSP23

+2.4VDSP23

+2.4VDSP1

+2.4VDSP1

+3.3VDSP

+3.3VDSP

GNDDG

+3.3VDG

DS

P3C

S

DS

P2C

S

DS

P1I

NT

DS

P1R

ST

DS

P2I

NT

DS

P2R

ST

NIC

DE

C

ME

QM

UT

DS

P3R

ST

DS

P3I

NT

HD

PC

MS

W

DIR

SW

DS

DR

CS

W

DS

DD

ISW

HD

MIS

PF

DS

P1C

S

GN

DD

G

GN

DD

G+

3.3V

DG

GN

DD

AC

GN

DD

AC

SP

FO

UT

+5V

SW

JTAG

I2S_SIGNAL

CPU_CONTROL

+3.

3V

NADSP-9072(1/2) TO NADSP-9072(2/2)SD-11:A4

TO NADSP-9072(2/2)SD-11:A1,A4

TO N

AD

G-9

074

SD

-9:C

3

TO NADG-9074SD-9:C2TO NAHDM-9114(5/5)

SD-19:H4

R3336 47

R3333 47R334047

R333747

R335747

R3377 47

Q3331

TC74VHC157FT

1 SELECT2 1A3 1B4 1Y5 2A6 2B7 2Y8 GND 93Y

103B

113A

124Y

134B

144A

15ST

16VCC

R336047

C3371 104Z

Q3371

TC74VHC157FT

1 SELECT2 1A3 1B4 1Y5 2A6 2B7 2Y8 GND 93Y

103B

113A

124Y

134B

144A

15ST

16VCC

C3465

104Z

C3475

104Z

C3476104Z

C3466104Z

R3405 47

C3452104Z

R3407 47R3408 47R3409 47R3410 47R3411 10K

R3414 10KR3415 10KR3416 10K

R3427 47R3428 47

R34

57

10K

R3483 1M

C34

81

060D

C34

8206

0D

R34

5210

KR

3451

10K

R34

5310

K

R34

55

10K

R34

56

10K

C3453

220/4

C3464

104Z

C3463

104Z

C3462

104Z

C3474

104Z

C3473

104Z

C3472104Z

C3471

104Z

C3461

104Z

Q3481

TC7WU04FU

1234

GND5678VD

C3403

104Z

L340

1A

CF

4518

32-3

33

C3402100/4

C3477

220/4

C3351 104Z

R3356 47

R3332 330

R3334 330R3335 330

R3342330R3341330

R3339330R3338330

R3351 330R3352 330R3353 47

R3362330R3361330

R3371 330R3382 330

R3379 330

R3412 330R3413 330

R3417 330R3418 330R3419 330R3420 330R3421 330R3422 330

R3423 10KR3424 330R3425 330R3426 330

R3331 330

Q3351

TC74VHC157FT

1 SELECT2 1A3 1B4 1Y5 2A6 2B7 2Y8 GND 93Y

103B

113A

124Y

134B

144A

15ST

16VCC

R3354 330R3355 330 R3359330

R3358330

B14 SPIO_SOMI/I2C0_SDAB15 SPIO_SIMOC16 SPIO_CLK/I2C0_SCLC15 SPIO_SCS/I2C1_SCLD16 SPIO_ENA/I2C1_SDAG2 RESET

A14 AXR0[0]B13 AXR0[1]A13 AXR0[2]B12 AXR0[3]A12 AXR0[4]B11 AXR0[5]/SPI1_SCSA11 AXR0[6]/SPI1_ENA]B10 AXR0[7]/SPI1_CLKB9 AXR0[8]/AXR1[5]/SPI1_SOMIA9 AXR0[9]/AXR1[4]/SPI1_SIMOB8 AXR0[10]/AXR1[3]A8 AXR0[11]/AXR1[2]B7 AXR0[12]/AXR1[1]B6 AXR0[13]/AXR1[0]A6 AXR0[14]/AXR2[1]B5 AXR0[15]/AXR2[0]

B3 AHCLKR0/AHCLKR1A5 ACLKR0B4 AFSR0C2 AHCLKX0/AHCLKX2A4 ACLKX0A3 AFSX0

J2 OSCINJ3 OSCOUTJ4 OSCVDDJ1 OSCVSSH2 CLKINK2 PLLHV

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

C10 UHPI_HCNTL[1]C9 UHPI_HASD8 UHPI_HRWD7 UHPI_HDS[1]C7 UHPI_HDS[2]C8 UHPI_HCSD6 UHPI_HRDY

D10AMUTE2/HINT

C11AFSX2

D11ACLKX2

C12AFSR2

C13ACLKR2

C14AHCLKR2

N1EMU[1]

M1EMU[0]

K4TRST

M2TDO

L1TDI

K3TMS

P1TCK

D14EM_WAIT

E16EM_RW

D15EM_OE

R15EM_WE_DQM[3]

P13EM_WE_DQM[2]

T13EM_WE_DQM[1]

R4EM_WE_DQM[0]

R14EM_CLK

T14EM_CKE

T3EM_WE

F16EM_RAS

R3EM_CAS

E15EM_CS[2]

F15EM_CS[0]

H16EM_BA[1]

G15EM_BA[0]

P7EM_D[31]/UHPI_HA[15]

N8EM_D[30]/UHPI_HA[14]

N9EM_D[29]/UHPI_HA[13]

P9EM_D[28]/UHPI_HA[12]

N10EM_D[27]/UHPI_HA[11]

P10EM_D[26]/UHPI_HA[10]

N11EM_D[25]/UHPI_HA[9]

P11EM_D[24]/UHPI_HA[8]

R2EM_D[23]/UHPI_HA[7]

N4EM_D[22]/UHPI_HA[6]

P3EM_D[21]/UHPI_HA[5]

P4EM_D[20]/UHPI_HA[4]

P5EM_D[19]/UHPI_HA[3]

N6EM_D[18]/UHPI_HA[2]

P6EM_D[17]/UHPI_HA[1]

N7EM_D[16]/UHPI_HA[0]

R9EM_D[15]

T9EM_D[14]

R10EM_D[13]

R11EM_D[12]

T11EM_D[11]

R12EM_D[10]

T12EM_D[9]

R13EM_D[8]

T4EM_D[7]

R5EM_D[6]

T5EM_D[5]

R6EM_D[4]

T6EM_D[3]

R7EM_D[2]

R8EM_D[1]

T8EM_D[0]

C1AMUTE0

D2AMUTE1

D1AHCLKX1

E2ACLKX1

E1ACLKR1

F2AFSX1

F1AFSR1

P12EM_A[12]

P15EM_A[11]

H15EM_A[10]

P16EM_A[9]

N15EM_A[8]

N16EM_A[7]

M15EM_A[6]

M16EM_A[5]

L15EM_A[4]

L16EM_A[3]

K15EM_A[2]

J15EM_A[1]

J16EM_A[0]

R3429 330

R3430 10K

R3431 10K

C3467

220/4

C3484 100/4

X348125.00MHz

L3451BLM21PG221SN1

R33

2147

R33

2733

0

R33

1447

R33

1747

R33

1633

0

Q33

11T

C74

VH

C15

7FT

1S

ELE

CT

21A

31B

41Y

52A

62B

72Y

8G

ND

93Y

103B

113A

124Y

134B

144A

15S

T

16V

CC

C33

1110

4Z

R33

2833

0

R33

2647

R33

1133

0R

3312

330

R33

1333

0

R33

1533

0R

3320

330

R33

2533

0

C3483 104Z

R3482

220R72

08N

C

D7205

1SS352

Q7202 BD7820

5D

AJ

4O

UT

PU

T

3G

ND

2IN

PU

T

1_S

HU

T

C72

05

104Z

R72

0715

K

C72

0410

0/4 +

R72

0622

K

C72

0622

0/4

+

C3331 104Z

R33

2233

0R

3323

330

C3451101J

C3401 101J

L3483LBC2518T470M

R33

3033

0

L331

1H

S10

2

R33

1933

0

R33

1847

R338047

P3805A10 9 8 7 6 5 4 3 2 1

Q33

25T

C74

VH

C15

7FT

1S

ELE

CT

21A

31B

41Y

52A

62B

72Y

8G

ND

93Y

103B

113A

124Y

134B

144A

15S

T

16V

CC

L3372

HS102

R3373 47R3374 330

R3376

47

L3481LM182

L3482LM182

L331

2

LM18

2

R3381 330L3371 LM182

C33

2510

4Z

C33

1510

4Z

L3301LBC2518T470M

Q33

01T

C74

VH

C15

7FT

1S

ELE

CT

21A

31B

41Y

52A

62B

72Y

8G

ND

93Y

103B

113A

124Y

134B

144A

15S

T

16V

CC

R33

0133

0

R33

0233

0R

3305

330

R33

0733

0

R33

0347

R33

0447

C33

0110

4Z

R33

0647 Q3391

TC74VHCT08AFT

1234567

GND 89

1011121314VCC

C33

0210

0/4

R33

91

47

C3391 104Z

R3401 47R3402 1KR3403 1KR3404 2.2K

R3406 1K

1 VCC02 DQ03 DQ14 GNDQ15 DQ26 DQ37 VCCQ18 DQ49 DQ5

10 GNDQ211 DQ612 DQ713 VCCQ214 LDQM15 _WE16 _CAS17 _RAS18 _CS19 A1120 A1021 A022 A123 A224 A325 VCC1 26

GND1

27A4

28A5

29A6

30A7

31A8

32A9

33NC1

34CKE

35CLK

36UDQM

37NC2

38VCCQ3

39DQ8

40DQ9

41GNDQ3

42DQ10

43DQ11

44VCCQ4

45DQ12

46DQ13

47GNDQ4

48DQ14

49DQ15

50GND2

1 VCC02 DQ03 DQ14 GNDQ15 DQ26 DQ37 VCCQ18 DQ49 DQ5

10 GNDQ211 DQ612 DQ713 VCCQ214 LDQM15 _WE16 _CAS17 _RAS18 _CS19 A1120 A1021 A022 A123 A224 A325 VCC1 26GND1

27A4

28A5

29A6

30A7

31A8

32A9

33NC1

34CKE

35CLK

36UDQM

37NC2

38VCCQ3

39DQ8

40DQ9

41GNDQ3

42DQ10

43DQ11

44VCCQ4

45DQ12

46DQ13

47GNDQ4

48DQ14

49DQ15

50GND2

1 A152 A143 A134 A125 A116 A107 A98 A89 A19

10 A2011 WE12 RESET13 NC14 WP/ACC15 RY/BY16 A1817 A1718 A719 A620 A521 A422 A323 A224 A1 25A0

26CE

27GND

28OE

29Q0

30Q8

31Q1

32Q9

33Q2

34Q10

35Q3

36Q11

37VCC

38Q4

39Q12

40Q5

41Q13

42Q6

43Q14

44Q7

45Q15/A-1

46GND

47BYTE

48A16

R3454 1K

C3405

220/4

L3403

LBC2518T4R7M

C3413104ZC3412104Z

C3414104ZC3415104ZC3416104ZC3417104ZC3418104ZC3419104ZC3420104ZC3421104Z

C3426104ZC3427104ZC3428104ZC3429104ZC3430104ZC3431104ZC3432104ZC3433104ZC3434104ZC3435104Z

C3411104Z

C3425104Z A2 DVDDA15 DVDDB1 DVDD

B16 DVDDD4 DVDDD5 DVDD

D12 DVDDD13 DVDDE4 DVDD

E13 DVDDJ14 DVDDM4 DVDD

M13 DVDDN5 DVDD

N12 DVDDP8 DVDDR1 DVDD

R16 DVDDT2 DVDD

T15 DVDD

E6 CVDDE7 CVDDE8 CVDDE9 CVDD

E10 CVDDE11 CVDDG5 CVDD

G12 CVDDH5 CVDD

H12 CVDDJ5 CVDD

J12 CVDDK5 CVDD

K12 CVDDM6 CVDDM7 CVDDM8 CVDDM9 CVDD

M10 CVDDM11 CVDD

T16VSS

T10VSS

T7VSS

T1VSS

M12VSS

M5VSS

L12VSS

L11VSS

L10VSS

L9VSS

L8VSS

L7VSS

L6VSS

L5VSS

K16VSS

K11VSS

K10VSS

K9VSS

K8VSS

K7VSS

K6VSS

K1VSS

J11VSS

J10VSS

J9VSS

J8VSS

J7VSS

J6VSS

H11VSS

H10VSS

H9VSS

H8VSS

H7VSS

H6VSS

H3VSS

G16VSS

G11VSS

G10VSS

G9VSS

G8VSS

G7VSS

G6VSS

G1VSS

F12VSS

F11VSS

F10VSS

F9VSS

F8VSS

F7VSS

F6VSS

F5VSS

E12VSS

E5VSS

A16VSS

A10VSS

A7VSS

A1VSS

L3402BLM21PG221SN1

C34

9110

4ZR34

924.

7KR

3493

4.7K

R34

914.

7K

R349610K

R34

954.

7KR

3494

4.7K

Q3491 TC74VHC541FT

20V

CC

19G

218

Y1

17Y

216

Y3

15Y

414

Y5

13Y

612

Y7

11Y

810

GN

D

9A

8

8A

7

7A

6

6A

5

5A

4

4A

3

3A

2

2A

1

1G

1

P3491

JTAG

2468

101214 13

1197531

L349

1

LBC

2518

T47

0M

P38

01B 1

23456789101112131415161718192021222324252627282930

P3802B

30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

U25 DSP PC BOARD

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

+5.0V

+3.3V+3.3V

+3.3V

+3.3V +1.2V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+2.4V

+3.3V

+3.3V

+3.3V

+3.3V

+2.4V

+2.4V

Q34

01:B

1st D

SP

Q34

01:A

TM

S32

0D79

0E00

1BZ

DH

275

TM

S32

0D79

0E00

1BZ

DH

275

1st D

SP

or E

S29

LV16

0ET-

70T

Gor

IC42

S16

100

or R

MS

116T

(LF

)

16 M

bit S

DR

AM

or IC

42S

1610

0or

RM

S11

6T(L

F)

Q34

7116

Mbi

t SD

RA

M

M12

L161

61A

-7T

G

Q34

61

M12

L161

61A

-7T

G

Q34

5116

Mbi

t FLA

SH

ME

MO

RY

S29

ALV

160E

T-70

TG

Page 28: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-10 (SD-10) DSP SECTION-1

A

1

2

3

4

5

B C D E F G H

DSP1RST

DIGSDIDIGSDODIGCLKDSP1CSDSP1INT

DSP1RST

NICDEC

CLKIN3

CLK_ACKE_A

A9AA8AA7A

A4AA5AA6A

WE_ACAS_A

SDCS_A

A3A

A0AA1AA2A

D16AD17A

D18AD19A

D20AD21A

D22AD23A D24A

D25A

D26AD27A

D28AD29A

D30AD31A

BA0AA10A

DQM2_ADQM3_A

PCMCSW4

PCMF4

DSDC LRCK4

LRCK4

PCMSUR4

PCMSB4

DSDSL LRCK4

DSDCLK

LRCK4/GND2

LRCK4/DSDSR/RC

PCMSUR4/DSDSL

LRCK4/DSDFRLRCK4/DSDSW

PCMCSW4/DSDC

PCMF4/DSDFLDSDFL

DSDFL LRCK4

LRCK4/DSDFR2

PCMSB4/DSDFL

D17AD18AD19AD20AD21AD22A

D28AD29AD30AD31A

D23AD24AD25AD26AD27A

D5AD6AD7AD8AD9AD10AD11AD12AD13AD14AD15AD16A

D0AD1AD2AD3AD4A

GPIO2AGPIO3AGPIO4AGPIO5AGPIO6AGPIO7A

A0AA1AA2AA3AA4AA5AA6AA7AA8AA9AA10AA11AA12A

TDI_2

EMU0_DSPEMU1_DSP

TRST

TDI_1TMS_DSP

BA1ABA0A

SDCS_AFLCS_ACAS_A

OE_A

WE_ACKE_ACLK_ADQM0_ADQM1_ADQM2_ADQM3_A

+3.3VS1

PC

MB

CK

/DS

DC

LK

BC

K_D

IR

LRC

K_D

IR

SDOUT_DIRMCK_DIR

RAS_A

RAS_A

PCMLRCK

BCK4/DSDCLK

LRCK4

PCMCR4/GND

PCMCR4

GN

DH

D

GN

DH

D

PC

MB

CK

/DS

DC

LK

BCK4/GND

BCK4

+3.

3L1

TCK_DSP

LRCK2MCK

BCK2

PCMSB1/DSDSR

PCMF1/DSDFL

LRCK1BCK1

BCK1LRCK1

PCMSUR2PCMCSW2PCMSB2

PCMF2

DIRSW

MCK

PCMCSW1/DSDSWPCMSUR1/DSDC

DSDSL

MCK

DSDFR

DSDSLDSDC

DSDSW

DSDSR/RC

MCK

DSDFR

DSDFR

DSDSR/RC

+2.

4VD

SP

23

MC

K_H

D

PC

MF

PCMSB1/DSDSR

PCMF1/DSDFL

MC

K_H

DM

I

PC

MC

SW

/DS

DS

W

PC

MS

BLR

/DS

DS

RP

CM

SLR

/DS

DC

PCMSUR1/DSDCPCMCSW1/DSDSW

PC

MLR

/DS

DF

L

PC

MLR

CK

/DS

DF

R

DSDFR

HD

SP

DIF

DS

DC

LK

HD

PC

MS

W

DSDSL

HDMISPF_3.3V

BA0AA10A

A3A

A0AA1AA2A

A9AA8AA7A

A4AA5AA6A

D0AD1A

D2AD3A

D4AD5A

D6AD7A

D15AD14A

D12A

D11AD10A

D9AD8A

D13A

CLK_ACKE_A

WE_ACAS_A

SDCS_A

DQM0_ADQM1_A

RAS_A

WE_A

A7AA8AA9AA10AA11A

FLCS_ABA1A

D0A

D2A

D3A

D4A

D5A

D6A

D7A

A12AGPIO2A

GPIO7A

GPIO4AGPIO3A

OE_A

A1AA2AA3AA4AA5AA6A

GPIO6AGPIO5A

A0A

D1AD8A

D9A

D10A

D11A

D12A

D13A

D14A

D15A

+3.

3VD

SP

GN

DD

G

TRST

PD

TMSTDI

TCKEMU0

TCK_RETTDO

EMU1

TRST

EMU1_DSPEMU0_DSPTDI_4

TDI_1TMS_DSP

TCK_DSP

PC

MF

4P

CM

CR

4P

CM

SU

R4

PC

MS

B4

PC

MC

SW

4

BC

K4

LRC

K4

GNDDG+3.3VDSP

+2.4VDSP23

LRCK4/DSDSR/RC

PCMCSW4/DSDC

LRCK4/DSDSW

BCK4/DSDCLK

BCK4/GND

PCMF4/DSDFL

LRCK4/DSDFR

LRCK4/GND2

PCMSB4/DSDFL

PCMCR4/GND

LRCK4/DSDFR2

GNDDG

GNDDG

PCMSUR4/DSDSLDIGSDO

DIGCLK

DIGSDI

MCK_DIRBCK_DIRSDOUT_DIR

GNDDGLRCK_DIR

+2.4VDSP23

+2.4VDSP23

+2.4VDSP1

+2.4VDSP1

+3.3VDSP

+3.3VDSP

GNDDG

+3.3VDG

DS

P3C

S

DS

P2C

S

DS

P1I

NT

DS

P1R

ST

DS

P2I

NT

DS

P2R

ST

NIC

DE

C

ME

QM

UT

DS

P3R

ST

DS

P3I

NT

HD

PC

MS

W

DIR

SW

DS

DR

CS

W

DS

DD

ISW

HD

MIS

PF

DS

P1C

S

GN

DD

G

GN

DD

G+

3.3V

DG

GN

DD

AC

GN

DD

AC

SP

FO

UT

+5V

SW

JTAG

I2S_SIGNAL

CPU_CONTROL

+3.

3V

NADSP-9072(1/2) TO NADSP-9072(2/2)SD-11:A4

TO NADSP-9072(2/2)SD-11:A1,A4

TO N

AD

G-9

074

SD

-9:C

3

TO NADG-9074SD-9:C2TO NAHDM-9114(5/5)

SD-19:H4

R3336 47

R3333 47R334047

R333747

R335747

R3377 47

Q3331

TC74VHC157FT

1 SELECT2 1A3 1B4 1Y5 2A6 2B7 2Y8 GND 93Y

103B

113A

124Y

134B

144A

15ST

16VCC

R336047

C3371 104Z

Q3371

TC74VHC157FT

1 SELECT2 1A3 1B4 1Y5 2A6 2B7 2Y8 GND 93Y

103B

113A

124Y

134B

144A

15ST

16VCC

C3465

104Z

C3475

104Z

C3476104Z

C3466104Z

R3405 47

C3452104Z

R3407 47R3408 47R3409 47R3410 47R3411 10K

R3414 10KR3415 10KR3416 10K

R3427 47R3428 47

R34

57

10K

R3483 1M

C34

81

060D

C34

8206

0D

R34

5210

KR

3451

10K

R34

5310

K

R34

55

10K

R34

56

10K

C3453

220/4

C3464

104Z

C3463

104Z

C3462

104Z

C3474

104Z

C3473

104Z

C3472104Z

C3471

104Z

C3461

104Z

Q3481

TC7WU04FU

1234

GND5678VD

C3403

104Z

L340

1A

CF

4518

32-3

33

C3402100/4

C3477

220/4

C3351 104Z

R3356 47

R3332 330

R3334 330R3335 330

R3342330R3341330

R3339330R3338330

R3351 330R3352 330R3353 47

R3362330R3361330

R3371 330R3382 330

R3379 330

R3412 330R3413 330

R3417 330R3418 330R3419 330R3420 330R3421 330R3422 330

R3423 10KR3424 330R3425 330R3426 330

R3331 330

Q3351

TC74VHC157FT

1 SELECT2 1A3 1B4 1Y5 2A6 2B7 2Y8 GND 93Y

103B

113A

124Y

134B

144A

15ST

16VCC

R3354 330R3355 330 R3359330

R3358330

B14 SPIO_SOMI/I2C0_SDAB15 SPIO_SIMOC16 SPIO_CLK/I2C0_SCLC15 SPIO_SCS/I2C1_SCLD16 SPIO_ENA/I2C1_SDAG2 RESET

A14 AXR0[0]B13 AXR0[1]A13 AXR0[2]B12 AXR0[3]A12 AXR0[4]B11 AXR0[5]/SPI1_SCSA11 AXR0[6]/SPI1_ENA]B10 AXR0[7]/SPI1_CLKB9 AXR0[8]/AXR1[5]/SPI1_SOMIA9 AXR0[9]/AXR1[4]/SPI1_SIMOB8 AXR0[10]/AXR1[3]A8 AXR0[11]/AXR1[2]B7 AXR0[12]/AXR1[1]B6 AXR0[13]/AXR1[0]A6 AXR0[14]/AXR2[1]B5 AXR0[15]/AXR2[0]

B3 AHCLKR0/AHCLKR1A5 ACLKR0B4 AFSR0C2 AHCLKX0/AHCLKX2A4 ACLKX0A3 AFSX0

J2 OSCINJ3 OSCOUTJ4 OSCVDDJ1 OSCVSSH2 CLKINK2 PLLHV

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

C10 UHPI_HCNTL[1]C9 UHPI_HASD8 UHPI_HRWD7 UHPI_HDS[1]C7 UHPI_HDS[2]C8 UHPI_HCSD6 UHPI_HRDY

D10AMUTE2/HINT

C11AFSX2

D11ACLKX2

C12AFSR2

C13ACLKR2

C14AHCLKR2

N1EMU[1]

M1EMU[0]

K4TRST

M2TDO

L1TDI

K3TMS

P1TCK

D14EM_WAIT

E16EM_RW

D15EM_OE

R15EM_WE_DQM[3]

P13EM_WE_DQM[2]

T13EM_WE_DQM[1]

R4EM_WE_DQM[0]

R14EM_CLK

T14EM_CKE

T3EM_WE

F16EM_RAS

R3EM_CAS

E15EM_CS[2]

F15EM_CS[0]

H16EM_BA[1]

G15EM_BA[0]

P7EM_D[31]/UHPI_HA[15]

N8EM_D[30]/UHPI_HA[14]

N9EM_D[29]/UHPI_HA[13]

P9EM_D[28]/UHPI_HA[12]

N10EM_D[27]/UHPI_HA[11]

P10EM_D[26]/UHPI_HA[10]

N11EM_D[25]/UHPI_HA[9]

P11EM_D[24]/UHPI_HA[8]

R2EM_D[23]/UHPI_HA[7]

N4EM_D[22]/UHPI_HA[6]

P3EM_D[21]/UHPI_HA[5]

P4EM_D[20]/UHPI_HA[4]

P5EM_D[19]/UHPI_HA[3]

N6EM_D[18]/UHPI_HA[2]

P6EM_D[17]/UHPI_HA[1]

N7EM_D[16]/UHPI_HA[0]

R9EM_D[15]

T9EM_D[14]

R10EM_D[13]

R11EM_D[12]

T11EM_D[11]

R12EM_D[10]

T12EM_D[9]

R13EM_D[8]

T4EM_D[7]

R5EM_D[6]

T5EM_D[5]

R6EM_D[4]

T6EM_D[3]

R7EM_D[2]

R8EM_D[1]

T8EM_D[0]

C1AMUTE0

D2AMUTE1

D1AHCLKX1

E2ACLKX1

E1ACLKR1

F2AFSX1

F1AFSR1

P12EM_A[12]

P15EM_A[11]

H15EM_A[10]

P16EM_A[9]

N15EM_A[8]

N16EM_A[7]

M15EM_A[6]

M16EM_A[5]

L15EM_A[4]

L16EM_A[3]

K15EM_A[2]

J15EM_A[1]

J16EM_A[0]

R3429 330

R3430 10K

R3431 10K

C3467

220/4

C3484 100/4

X348125.00MHz

L3451BLM21PG221SN1

R33

2147

R33

2733

0

R33

1447

R33

1747

R33

1633

0

Q33

11T

C74

VH

C15

7FT

1S

ELE

CT

21A

31B

41Y

52A

62B

72Y

8G

ND

93Y

103B

113A

124Y

134B

144A

15S

T

16V

CC

C33

1110

4Z

R33

2833

0

R33

2647

R33

1133

0R

3312

330

R33

1333

0

R33

1533

0R

3320

330

R33

2533

0

C3483 104Z

R3482

220R72

08N

C

D7205

1SS352

Q7202 BD7820

5D

AJ

4O

UT

PU

T

3G

ND

2IN

PU

T

1_S

HU

T

C72

05

104Z

R72

0715

K

C72

0410

0/4 +

R72

0622

K

C72

0622

0/4

+

C3331 104Z

R33

2233

0R

3323

330

C3451101J

C3401 101J

L3483LBC2518T470M

R33

3033

0

L331

1H

S10

2

R33

1933

0

R33

1847

R338047

P3805A10 9 8 7 6 5 4 3 2 1

Q33

25T

C74

VH

C15

7FT

1S

ELE

CT

21A

31B

41Y

52A

62B

72Y

8G

ND

93Y

103B

113A

124Y

134B

144A

15S

T

16V

CC

L3372

HS102

R3373 47R3374 330

R3376

47

L3481LM182

L3482LM182

L331

2

LM18

2

R3381 330L3371 LM182

C33

2510

4Z

C33

1510

4Z

L3301LBC2518T470M

Q33

01T

C74

VH

C15

7FT

1S

ELE

CT

21A

31B

41Y

52A

62B

72Y

8G

ND

93Y

103B

113A

124Y

134B

144A

15S

T

16V

CC

R33

0133

0

R33

0233

0R

3305

330

R33

0733

0

R33

0347

R33

0447

C33

0110

4Z

R33

0647 Q3391

TC74VHCT08AFT

1234567

GND 89

1011121314VCC

C33

0210

0/4

R33

91

47

C3391 104Z

R3401 47R3402 1KR3403 1KR3404 2.2K

R3406 1K

1 VCC02 DQ03 DQ14 GNDQ15 DQ26 DQ37 VCCQ18 DQ49 DQ5

10 GNDQ211 DQ612 DQ713 VCCQ214 LDQM15 _WE16 _CAS17 _RAS18 _CS19 A1120 A1021 A022 A123 A224 A325 VCC1 26

GND1

27A4

28A5

29A6

30A7

31A8

32A9

33NC1

34CKE

35CLK

36UDQM

37NC2

38VCCQ3

39DQ8

40DQ9

41GNDQ3

42DQ10

43DQ11

44VCCQ4

45DQ12

46DQ13

47GNDQ4

48DQ14

49DQ15

50GND2

1 VCC02 DQ03 DQ14 GNDQ15 DQ26 DQ37 VCCQ18 DQ49 DQ5

10 GNDQ211 DQ612 DQ713 VCCQ214 LDQM15 _WE16 _CAS17 _RAS18 _CS19 A1120 A1021 A022 A123 A224 A325 VCC1 26GND1

27A4

28A5

29A6

30A7

31A8

32A9

33NC1

34CKE

35CLK

36UDQM

37NC2

38VCCQ3

39DQ8

40DQ9

41GNDQ3

42DQ10

43DQ11

44VCCQ4

45DQ12

46DQ13

47GNDQ4

48DQ14

49DQ15

50GND2

1 A152 A143 A134 A125 A116 A107 A98 A89 A19

10 A2011 WE12 RESET13 NC14 WP/ACC15 RY/BY16 A1817 A1718 A719 A620 A521 A422 A323 A224 A1 25A0

26CE

27GND

28OE

29Q0

30Q8

31Q1

32Q9

33Q2

34Q10

35Q3

36Q11

37VCC

38Q4

39Q12

40Q5

41Q13

42Q6

43Q14

44Q7

45Q15/A-1

46GND

47BYTE

48A16

R3454 1K

C3405

220/4

L3403

LBC2518T4R7M

C3413104ZC3412104Z

C3414104ZC3415104ZC3416104ZC3417104ZC3418104ZC3419104ZC3420104ZC3421104Z

C3426104ZC3427104ZC3428104ZC3429104ZC3430104ZC3431104ZC3432104ZC3433104ZC3434104ZC3435104Z

C3411104Z

C3425104Z A2 DVDDA15 DVDDB1 DVDD

B16 DVDDD4 DVDDD5 DVDD

D12 DVDDD13 DVDDE4 DVDD

E13 DVDDJ14 DVDDM4 DVDD

M13 DVDDN5 DVDD

N12 DVDDP8 DVDDR1 DVDD

R16 DVDDT2 DVDD

T15 DVDD

E6 CVDDE7 CVDDE8 CVDDE9 CVDD

E10 CVDDE11 CVDDG5 CVDD

G12 CVDDH5 CVDD

H12 CVDDJ5 CVDD

J12 CVDDK5 CVDD

K12 CVDDM6 CVDDM7 CVDDM8 CVDDM9 CVDD

M10 CVDDM11 CVDD

T16VSS

T10VSS

T7VSS

T1VSS

M12VSS

M5VSS

L12VSS

L11VSS

L10VSS

L9VSS

L8VSS

L7VSS

L6VSS

L5VSS

K16VSS

K11VSS

K10VSS

K9VSS

K8VSS

K7VSS

K6VSS

K1VSS

J11VSS

J10VSS

J9VSS

J8VSS

J7VSS

J6VSS

H11VSS

H10VSS

H9VSS

H8VSS

H7VSS

H6VSS

H3VSS

G16VSS

G11VSS

G10VSS

G9VSS

G8VSS

G7VSS

G6VSS

G1VSS

F12VSS

F11VSS

F10VSS

F9VSS

F8VSS

F7VSS

F6VSS

F5VSS

E12VSS

E5VSS

A16VSS

A10VSS

A7VSS

A1VSS

L3402BLM21PG221SN1

C34

9110

4ZR34

924.

7KR

3493

4.7K

R34

914.

7K

R349610K

R34

954.

7KR

3494

4.7K

Q3491 TC74VHC541FT

20V

CC

19G

218

Y1

17Y

216

Y3

15Y

414

Y5

13Y

612

Y7

11Y

810

GN

D

9A

8

8A

7

7A

6

6A

5

5A

4

4A

3

3A

2

2A

1

1G

1

P3491

JTAG

2468

101214 13

1197531

L349

1

LBC

2518

T47

0M

P38

01B 1

23456789101112131415161718192021222324252627282930

P3802B

30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

U25 DSP PC BOARD

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

+5.0V

+3.3V+3.3V

+3.3V

+3.3V +1.2V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+2.4V

+3.3V

+3.3V

+3.3V

+3.3V

+2.4V

+2.4V

Q34

01:B

1st D

SP

Q34

01:A

TM

S32

0D79

0E00

1BZ

DH

275

TM

S32

0D79

0E00

1BZ

DH

275

1st D

SP

or E

S29

LV16

0ET-

70T

Gor

IC42

S16

100

or R

MS

116T

(LF

)

16 M

bit S

DR

AM

or IC

42S

1610

0or

RM

S11

6T(L

F)

Q34

7116

Mbi

t SD

RA

M

M12

L161

61A

-7T

G

Q34

61

M12

L161

61A

-7T

G

Q34

5116

Mbi

t FLA

SH

ME

MO

RY

S29

ALV

160E

T-70

TG

Page 29: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-11 (SD-11) DSP SECTION-2

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

DIGSDIDIGSDO

DIG

CLK

MCK

CLK_C

CLKIN3

LRCK4

LRCK3

BCK3

PCMSB3

PCMCSW3PCMSUR3

PCMF3

DS

P3C

S

DS

P3I

NT

DSP3RST

DIGSDIDIGSDO

DS

P2C

SD

IGC

LK

DS

P2I

NT

DSP2RST

BCK2

PCMCSW2PCMSUR2

PCMSB2

LRCK2BCK3

PCMSUR3

PCMSB3PCMCSW3

PCMF3

MCK

LRCK3

FLC

S_B

SD

CS

_BB

A0B

BA

1BA

10B

A0B

A1B

A2B

A4B

A5B

A6B

A7B

A8B

A9B

A11

B

RA

S_B

OE

_B

CKE_B

LDQM_B

UDQM_BD8B

D9BD10B

D11B

D12BD13B

D14BD15B

D0BD1B

D2BD3B

D4BD5B

D7B

WE_BCAS_B

GP

IO1B

GP

IO5B

GP

IO6B

GP

IO4B

GP

IO3B

GP

IO2B

D6B

A3B

DSP2RST

TR

ST

TD

I_2

TD

I_3

EM

U1_

DS

P

TM

S_D

SP

EM

U0_

DS

P

TR

ST

PCMF2

CLK

IN2

+3.3VDSPGNDDG

+3.

3V2

+1.

2V2

+3.

3V3

+1.

2V3

+3.3VS2

+3.3VS3

DSP3RST

+1.2VDSP23

MEQMUT

PCMCR4

PCMCSW4PCMSUR4

PCMF4

PCMSB4

+2.4VDSP23

BCK4

OE

_C

FLC

S_C

RA

S_C

SD

CS

_CB

A0C

BA

1CA

10C

A1C

A0C

A2C

A3C

A4C

A5C

A6C

A7C

A8C

A9C

A11

C

CKE_C

UDQM_CD8C

D9CD10C

D11C

D12CD13C

D14CD15C

D0CD1C

D2CD3C

D4CD5C

D6C

D7C

LDQM_C

CAS_C

GP

IO5C

GP

IO4C

GP

IO3C

GP

IO2C

GP

IO1C

GP

IO6C

GP

IO7C

WE_C

EM

U0_

DS

P

EM

U1_

DS

P

TM

S_D

SP

TD

I_3

TD

I_4

CLK_B

TC

K_D

SP

TC

K_D

SP

LDQM_BWE_BCAS_BRAS_BSDCS_BBA0BA10BA0BA1BA2BA3B

D0BD1B

D2BD3B

D4BD5B

D6BD7B

UDQM_BCLK_BCKE_B

A6BA5BA4B

A9BA8BA7B

D9BD8B

D11BD10B

D13BD12B

D14BD15B

D0C

D1CD2C

D3CD4C

D5CD6C

D7C

LDQM_C

CAS_CRAS_CSDCS_C

BA0CBA1CA10C

A1CA2CA3C A4C

A5CA6CA7CA8CA9CA11C

CKE_CCLK_CUDQM_C

D8C

D9CD10C

D11CD12C

D13CD14C

D15C

WE_C

A0C

FLCS_BBA1B

GPIO4B

OE_B

D3BD10BD2BD9BD1BD8BD0B

D12BD4B

D5B

D6BD13B

D14BD7BD15B

WE_B

A11BA10BA9BA8BA7B

D11B

A6BA5BA4BA3BA2BA1BA0B

GPIO1BGPIO2BGPIO3B

GPIO5B

D7C

D6C

D5C

D4C

D3C

D2C

D0COE_C

FLCS_CBA1C

D1CD8C

D9C

D10C

D12C

D13C

D14C

D15C

A7CA8CA9C

A10CA11C

GPIO2CGPIO3C GPIO4C

GPIO6C

GPIO1C

D11C

A0CA1CA2CA3CA4CA5CA6C

GPIO5C

WE_C

CPU_CONTROL

JTAG

I2S_SIGNAL

NADSP-9072(2/2)

TO NADSP-9072(1/2)SD-10:H1

TO NADSP-9072(1/2)SD-10:H1,H5

C3663

104Z

C3667

104Z

C3666

104Z

C3662

104Z

C3665

104Z

R360447

C36

09

104Z

C36

10

104Z

C36

02

104Z

C36

0310

1J

C36

0410

4Z

C36

0510

4Z

C36

06

104Z

C3611

104Z

C3612

104Z

C3613

104Z

C3614

104Z

C3615

104Z

C3616

104Z

C3617

104Z

C3618

104Z

C36

19

104Z

C36

20

104Z

C36

21

104Z

C36

22

104Z

C36

23

104Z

C36

24

104Z

C36

25

104Z

R3609 47

R3610 47

R3611 47R3612 47R3613 47

C3627 104Z

R3619 10KR3618 10K

R3620 10K

C3628 104Z

C3629 104Z

R36

0547

R3630 47

C3642220/4

C3641220/4

C3608104Z

C3607220/4

C36

01

104Z

C3652101J

C3661104Z

C3664

104Z

R36

5110

KR

3652

10K

R36

5310

K

C3651

104Z

R36

59

10K

R36

5810

K

R36

57

10K

C3565

104Z

C3564

104Z

C3561

104Z

C3562

104Z

C3563

104Z

C3566

104Z

C35

0910

4Z

C35

1010

4Z

C35

01

104Z

C35

02

104Z

C35

0310

1J

C35

06

104Z

C3511

104Z

C3512104Z

C3513

104Z

C3514

104Z

C3515

104Z

C3516

104Z

C3517

104Z

C3518

104Z

C35

1910

4ZC35

20

104Z

C35

21

104Z

C35

22

104Z

C35

23

104Z

C35

24

104Z

R3509 47

R3510 47

R3511 47R3512 47R3513 47

C3527 104Z

R3519 10KR3518 10K

R3520 10K

C3528 104Z

C3529 104Z

R35

0547

R3528 47R3529 10KR3530 47

C3541

220/4

C3508

104Z

C3507220/4

C3551104Z

C3567

220/4

R3616 10KR3517 10KR3516 10KR3515 10KR3514 10K

C3668

220/4

C35

0510

4Z

C35

0410

4Z

C3574 100/4C3573 104Z

Q3571

TC

7WU

04F

U

1234 GND 5

678VD

R3571 1M

R3615 10KR3614 47

R3629 10K

L365

1B

LM21

PG

221S

N1

R3521 330

R3522 330R3523 330

R3524 330R3525 10KR3526 330

R3527 330

R3617 330

R3621 330

R3622 330R3623 330

R3624 330

R3626 330

R3627 330

R3625 10K

R3603 330

R3601 330

R3501 330 R35

0333

0

R3572

220

C3653

220/4

R35

5110

KR

3552

10K

R35

5310

K

R35

5710

K

R35

58

10K

X3571

17.734MHz

C35

25

104Z

C3526 104Z C3626 104Z

L3501ACF451832-333

L3601ACF451832-333

L364

2B

LM21

PG

221S

N1

L354

1LB

C25

18T

4R7M

L354

2B

LM21

PG

221S

N1

L355

1B

LM21

PG

221S

N1

L364

1

LBC

2518

T4R

7M

C3542

220/4

C3553

220/4

C35

71

100D

R362847 L3603

C35

72

100DC

7225

104Z

C72

2610

0/4

+

D7225

1SS352

R72

2627

K

C72

24

100/

4+

R72

2727

K

R72

2839

K

L3571LBC2518T470M

C72

28

104Z

R72

2927

KR

7230

27K

R72

3939

K

C72

2710

0/4

+

C72

2910

0/4

+

D7226

1SS352

Q7223

BD7820

1_S

HU

T2

INP

UT

3G

ND

4O

UT

PU

T5

DA

J

109VSS

110SPIO_SIMO

111 SPIO_SOMI/I2C0_SDA112

DVDD113 AXR0[0]114 VSS115 AXR0[1]116 AXR0[2]117 AXR0[3]118 VSS119 AXR0[4]120 AXR0[5]/SPI1_SCS121 AXR0[6]/SPI1_ENA]122 AXR0[7]/SPI1_CLK123 CVDD124 VSS125 DVDD126 AXR0[8]/AXR1[5]/SPI1_SOMI127 AXR0[9]/AXR1[4]/SPI1_SIMO128 CVDD129 VSS130 AXR0[10]/AXR1[3]131 AXR0[11]/AXR1[2]132 CVDD133 VSS134 AXR0[12]/AXR1[1]135 AXR0[13]/AXR1[0]136 DVDD137 AXR0[14]/AXR2[1]138 AXR0[15]/AXR2[0]139 ACLKR0140 VSS141 AFSR0142 ACLKX0143 AHCLKR0/AHCLKR1144 AFSX0

1 2 3 4 5 6V

SS

7A

CLK

X1

8C

VD

D9

AC

LKR

110

DV

DD

11A

FS

X1

12A

FS

R1

13V

SS

14R

ES

ET

15V

SS

16C

VD

D17

CLK

IN18

VS

S19

TM

S20

CV

DD

21T

RS

T22

OS

CV

SS

23O

SC

IN24

OS

CO

UT

25O

SC

VD

D26

VS

S27

PLL

HV

28T

DI

29T

DO

30V

SS

31D

VD

D32

EM

U[0

]33

CV

DD

34E

MU

[1]

35T

CK

36V

SS

37EM_CAS

38EM_WE

39EM_WE_DQM[0]

40VSS

41EM_D[7]

42DVDD

43EM_D[6]

44CVDD

45EM_D[5]

46EM_D[4]

47VSS

48EM_D[3]

49EM_D[2]

50DVDD

51EM_D[1]

52EM_D[0]

53CVDD

54VSS

55EM_D[15]

56EM_D[14]

57CVDD

58EM_D[13]

59EM_D[12]

60DVDD

61EM_D[11]

62VSS

63EM_D[10]

64EM_D[9]

65CVDD

66EM_D[8]

67EM_WE_DQM[1]

68DVDD

69VSS

70EM_CLK

71EM_CKE

72VSS

73D

VD

D

74E

M_A

[11]

75E

M_A

[9]

76E

M_A

[8]

77C

VD

D

78V

SS

79E

M_A

[7]

80E

M_A

[6]

81D

VD

D

82V

SS

83E

M_A

[5]

84E

M_A

[4]

85C

VD

D

86E

M_A

[3]

87V

SS

88E

M_A

[2]

89E

M_A

[1]

90C

VD

D

91E

M_A

[0]

92D

VD

D

93E

M_A

[10]

94E

M_B

A[1

]

95V

SS

96E

M_B

A[0

]

97E

M_C

S[0

]

98E

M_R

AS

99V

SS

100

EM

_CS

[2]

101

CV

DD

102

EM

_RW

103

DV

DD

104

EM

_OE

105

106

107

108

L3572

LM182

R3504

47

L3602

LL241

R3602 1K

R3608 1K

R36

071K

R36

062.

2K

R35

071K

R35

062.

2K

R3508 1K

R3502 1K

1VCC0

2DQ0

3DQ1

4GNDQ1

5DQ2

6DQ3

7VCCQ1

8DQ4

9DQ5

10GNDQ2

11DQ6

12DQ7

13VCCQ2

14LDQM

15_WE

16_CAS

17_RAS

18_CS

19A11

20A10

21A0

22A1

23A2

24A3

25VCC1 26

GND1

27A4

28A5

29A6

30A7

31A8

32A9

33NC1

34CKE

35CLK

36UDQM

37NC2

38VCCQ3

39DQ8

40DQ9

41GNDQ3

42DQ10

43DQ11

44VCCQ4

45DQ12

46DQ13

47GNDQ4

48DQ14

49DQ15

50GND2 1 VDD

2 DQ03 VDDQ4 DQ15 DQ26 VSSQ7 DQ38 DQ49 VDDQ

10 DQ511 DQ612 VSSQ13 DQ714 VDD15 LDQM16 WE17 CAS18 RAS19 CS20 BA021 BA122 A1023 A024 A125 A226 A327 VDD 28VSS

29A4

30A5

31A6

32A7

33A8

34A9

35A11

36NC

37CKE

38CLK

39UDQM

40NC

41VSS

42DQ8

43VDDQ

44DQ9

45DQ10

46VSSQ

47DQ11

48DQ12

49VDDQ

50DQ13

51DQ14

52VSSQ

53DQ15

54VSS

1 A152 A143 A134 A125 A116 A107 A98 A89 NC

10 NC11 WE#12 RESET#13 NC14 NC15 RY/BY#16 NC17 A1718 A719 A620 A521 A422 A323 A224 A1 25A0

26CE#

27GND

28OE#

29Q0

30Q8

31Q1

32Q9

33Q2

34Q10

35Q3

36Q11

37VCC

38Q4

39Q12

40Q5

41Q13

42Q6

43Q14

44Q7

45Q15

46GND

47BYTE#

48A16 1 A152 A143 A134 A125 A116 A107 A98 A89 NC

10 NC11 WE12 RESET13 NC14 NC15 RY/BY16 A1817 A1718 A719 A620 A521 A422 A323 A224 A1 25A0

26CE

27GND

28OE

29Q0

30Q8

31Q1

32Q9

33Q2

34Q10

35Q3

36Q11

37VCC

38Q4

39Q12

40Q5

41Q13

42Q6

43Q14

44Q7

45Q15/A-1

46GND

47BYTE

48A16

R36561K

C3552

101J

R35541K

109VSS

110SPIO_SIMO

111SPIO_SOMI/I2C0_SDA

112 DVDD113 AXR0[0]114 VSS115 AXR0[1]116 AXR0[2]117 AXR0[3]118 VSS119 AXR0[4]120 AXR0[5]/SPI1_SCS121 AXR0[6]/SPI1_ENA]122 AXR0[7]/SPI1_CLK123 CVDD124 VSS125 DVDD126 AXR0[8]/AXR1[5]/SPI1_SOMI127 AXR0[9]/AXR1[4]/SPI1_SIMO128 CVDD129 VSS130 AXR0[10]/AXR1[3]131 AXR0[11]/AXR1[2]132 CVDD133 VSS134 AXR0[12]/AXR1[1]135 AXR0[13]/AXR1[0]136 DVDD137 AXR0[14]/AXR2[1]138 AXR0[15]/AXR2[0]139 ACLKR0140 VSS141 AFSR0142 ACLKX0143 AHCLKR0/AHCLKR1144 AFSX0

1

1:V

SS

2

2:A

HC

LKX

0/A

HC

LKX

2

3

3:A

MU

TE

0

4

4:A

MU

TE

1

5

5:A

HC

LKX

1

6V

SS

7A

CLK

X1

8C

VD

D9

AC

LKR

110

DV

DD

11A

FS

X1

12A

FS

R1

13V

SS

14R

ES

ET

15V

SS

16C

VD

D17

CLK

IN18

VS

S19

TM

S20

CV

DD

21T

RS

T22

OS

CV

SS

23O

SC

IN24

OS

CO

UT

25O

SC

VD

D26

VS

S27

PLL

HV

28T

DI

29T

DO

30V

SS

31D

VD

D32

EM

U[0

]33

CV

DD

34E

MU

[1]

35T

CK

36V

SS

37EM_CAS

38EM_WE

39EM_WE_DQM[0]

40VSS

41EM_D[7]

42DVDD

43EM_D[6]

44CVDD

45EM_D[5]

46EM_D[4]

47VSS

48EM_D[3]

49EM_D[2]

50DVDD

51EM_D[1]

52EM_D[0]

53CVDD

54VSS

55EM_D[15]

56EM_D[14]

57CVDD

58EM_D[13]

59EM_D[12]

60DVDD

61EM_D[11]

62VSS

63EM_D[10]

64EM_D[9]

65CVDD

66EM_D[8]

67EM_WE_DQM[1]

68DVDD

69VSS

70EM_CLK

71EM_CKE

72VSS

73D

VD

D

74E

M_A

[11]

75E

M_A

[9]

76E

M_A

[8]

77C

VD

D

78V

SS

79E

M_A

[7]

80E

M_A

[6]

81D

VD

D

82V

SS

83E

M_A

[5]

84E

M_A

[4]

85C

VD

D

86E

M_A

[3]

87V

SS

88E

M_A

[2]

89E

M_A

[1]

90C

VD

D

91E

M_A

[0]

92D

VD

D

93E

M_A

[10]

94E

M_B

A[1

]

95V

SS

96E

M_B

A[0

]

97E

M_C

S[0

]

98E

M_R

AS

99V

SS

100

EM

_CS

[2]

101

CV

DD

102

EM

_RW

103

DV

DD

104

EM

_OE

105

105:

SP

IO_E

NA

/I2C

1_S

DA

106

106:

VS

S

107

107:

SP

IO_S

CS

/I2C

1_S

CL

108

108:

SP

IO_C

LK/I2

C0_

SC

L

Q7222BD7820

5D

AJ

4O

UT

PU

T

3G

ND

2IN

PU

T

1_S

HU

T

U25 DSP PC BOARD

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

+1.2V

+3.3V

+1.2V

+3.3V

+1.2V

+3.3V

+1.2V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+1.2V

+1.2V

105:

SP

IO_E

NA

/I2C

1_S

DA

106:

VS

S10

7:S

PIO

_SC

S/I2

C1_

SC

L10

8:S

PIO

_CLK

/I2C

0_S

CL

1:V

SS

2:A

HC

LKX

0/A

HC

LKX

23:

AM

UT

E0

4:A

MU

TE

15:

AH

CLK

X1

Q3601TMS320D707E001BRFP250

3rd DSP

Q3501TMS320D788E001BRFP266

2nd DSP

ES

29LV

400E

T-70

TG

or

S29

AL0

04D

70T

FI0

10

Q35

61

RM

S11

6T o

rIC

42S

1610

0 or

M12

L161

61A

-7T

G

16 M

bit S

DR

AM

Q35

514

Mbi

t FLA

SH

RO

M

ES

29LV

800E

T-70

TG

or

S29

AL0

08D

70T

FI0

10

8 M

bit F

LAS

H R

OM

Q36

61

IS42

S16

400D

-7T

L or

K4S

6416

32K

-UC

60 o

rM

12L6

4164

A-7

TG

64 M

bit S

DR

AM

Q36

51

Page 30: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-11 (SD-11) DSP SECTION-2

A

1

2

3

4

5

B C D E F G H

DIGSDIDIGSDO

DIG

CLK

MCK

CLK_C

CLKIN3

LRCK4

LRCK3

BCK3

PCMSB3

PCMCSW3PCMSUR3

PCMF3

DS

P3C

S

DS

P3I

NT

DSP3RST

DIGSDIDIGSDO

DS

P2C

SD

IGC

LK

DS

P2I

NT

DSP2RST

BCK2

PCMCSW2PCMSUR2

PCMSB2

LRCK2BCK3

PCMSUR3

PCMSB3PCMCSW3

PCMF3

MCK

LRCK3

FLC

S_B

SD

CS

_BB

A0B

BA

1BA

10B

A0B

A1B

A2B

A4B

A5B

A6B

A7B

A8B

A9B

A11

B

RA

S_B

OE

_B

CKE_B

LDQM_B

UDQM_BD8B

D9BD10B

D11B

D12BD13B

D14BD15B

D0BD1B

D2BD3B

D4BD5B

D7B

WE_BCAS_B

GP

IO1B

GP

IO5B

GP

IO6B

GP

IO4B

GP

IO3B

GP

IO2B

D6B

A3B

DSP2RST

TR

ST

TD

I_2

TD

I_3

EM

U1_

DS

P

TM

S_D

SP

EM

U0_

DS

P

TR

ST

PCMF2

CLK

IN2

+3.3VDSPGNDDG

+3.

3V2

+1.

2V2

+3.

3V3

+1.

2V3

+3.3VS2

+3.3VS3

DSP3RST

+1.2VDSP23

MEQMUT

PCMCR4

PCMCSW4PCMSUR4

PCMF4

PCMSB4

+2.4VDSP23

BCK4

OE

_C

FLC

S_C

RA

S_C

SD

CS

_CB

A0C

BA

1CA

10C

A1C

A0C

A2C

A3C

A4C

A5C

A6C

A7C

A8C

A9C

A11

C

CKE_C

UDQM_CD8C

D9CD10C

D11C

D12CD13C

D14CD15C

D0CD1C

D2CD3C

D4CD5C

D6C

D7C

LDQM_C

CAS_C

GP

IO5C

GP

IO4C

GP

IO3C

GP

IO2C

GP

IO1C

GP

IO6C

GP

IO7C

WE_C

EM

U0_

DS

P

EM

U1_

DS

P

TM

S_D

SP

TD

I_3

TD

I_4

CLK_B

TC

K_D

SP

TC

K_D

SP

LDQM_BWE_BCAS_BRAS_BSDCS_BBA0BA10BA0BA1BA2BA3B

D0BD1B

D2BD3B

D4BD5B

D6BD7B

UDQM_BCLK_BCKE_B

A6BA5BA4B

A9BA8BA7B

D9BD8B

D11BD10B

D13BD12B

D14BD15B

D0C

D1CD2C

D3CD4C

D5CD6C

D7C

LDQM_C

CAS_CRAS_CSDCS_C

BA0CBA1CA10C

A1CA2CA3C A4C

A5CA6CA7CA8CA9CA11C

CKE_CCLK_CUDQM_C

D8C

D9CD10C

D11CD12C

D13CD14C

D15C

WE_C

A0C

FLCS_BBA1B

GPIO4B

OE_B

D3BD10BD2BD9BD1BD8BD0B

D12BD4B

D5B

D6BD13B

D14BD7BD15B

WE_B

A11BA10BA9BA8BA7B

D11B

A6BA5BA4BA3BA2BA1BA0B

GPIO1BGPIO2BGPIO3B

GPIO5B

D7C

D6C

D5C

D4C

D3C

D2C

D0COE_C

FLCS_CBA1C

D1CD8C

D9C

D10C

D12C

D13C

D14C

D15C

A7CA8CA9C

A10CA11C

GPIO2CGPIO3C GPIO4C

GPIO6C

GPIO1C

D11C

A0CA1CA2CA3CA4CA5CA6C

GPIO5C

WE_C

CPU_CONTROL

JTAG

I2S_SIGNAL

NADSP-9072(2/2)

TO NADSP-9072(1/2)SD-10:H1

TO NADSP-9072(1/2)SD-10:H1,H5

C3663

104Z

C3667

104Z

C3666

104Z

C3662

104Z

C3665

104Z

R360447

C36

09

104Z

C36

10

104Z

C36

02

104Z

C36

0310

1J

C36

0410

4Z

C36

0510

4Z

C36

06

104Z

C3611

104Z

C3612

104Z

C3613

104Z

C3614

104Z

C3615

104Z

C3616

104Z

C3617

104Z

C3618

104Z

C36

19

104Z

C36

20

104Z

C36

21

104Z

C36

22

104Z

C36

23

104Z

C36

24

104Z

C36

25

104Z

R3609 47

R3610 47

R3611 47R3612 47R3613 47

C3627 104Z

R3619 10KR3618 10K

R3620 10K

C3628 104Z

C3629 104Z

R36

0547

R3630 47

C3642220/4

C3641220/4

C3608104Z

C3607220/4

C36

01

104Z

C3652101J

C3661104Z

C3664

104Z

R36

5110

KR

3652

10K

R36

5310

K

C3651

104Z

R36

59

10K

R36

5810

K

R36

57

10K

C3565

104Z

C3564

104Z

C3561

104Z

C3562

104Z

C3563

104Z

C3566

104Z

C35

0910

4Z

C35

1010

4Z

C35

01

104Z

C35

02

104Z

C35

0310

1J

C35

06

104Z

C3511

104Z

C3512104Z

C3513

104Z

C3514

104Z

C3515

104Z

C3516

104Z

C3517

104Z

C3518

104Z

C35

1910

4ZC35

20

104Z

C35

21

104Z

C35

22

104Z

C35

23

104Z

C35

24

104Z

R3509 47

R3510 47

R3511 47R3512 47R3513 47

C3527 104Z

R3519 10KR3518 10K

R3520 10K

C3528 104Z

C3529 104Z

R35

0547

R3528 47R3529 10KR3530 47

C3541

220/4

C3508

104Z

C3507220/4

C3551104Z

C3567

220/4

R3616 10KR3517 10KR3516 10KR3515 10KR3514 10K

C3668

220/4

C35

0510

4Z

C35

0410

4Z

C3574 100/4C3573 104Z

Q3571

TC

7WU

04F

U

1234 GND 5

678VD

R3571 1M

R3615 10KR3614 47

R3629 10K

L365

1B

LM21

PG

221S

N1

R3521 330

R3522 330R3523 330

R3524 330R3525 10KR3526 330

R3527 330

R3617 330

R3621 330

R3622 330R3623 330

R3624 330

R3626 330

R3627 330

R3625 10K

R3603 330

R3601 330

R3501 330 R35

0333

0

R3572

220

C3653

220/4

R35

5110

KR

3552

10K

R35

5310

K

R35

5710

K

R35

58

10K

X3571

17.734MHz

C35

25

104Z

C3526 104Z C3626 104Z

L3501ACF451832-333

L3601ACF451832-333

L364

2B

LM21

PG

221S

N1

L354

1LB

C25

18T

4R7M

L354

2B

LM21

PG

221S

N1

L355

1B

LM21

PG

221S

N1

L364

1

LBC

2518

T4R

7M

C3542

220/4

C3553

220/4

C35

71

100D

R362847 L3603

C35

72

100DC

7225

104Z

C72

2610

0/4

+

D7225

1SS352

R72

2627

K

C72

24

100/

4+

R72

2727

K

R72

2839

K

L3571LBC2518T470M

C72

28

104Z

R72

2927

KR

7230

27K

R72

3939

K

C72

2710

0/4

+

C72

2910

0/4

+

D7226

1SS352

Q7223

BD7820

1_S

HU

T2

INP

UT

3G

ND

4O

UT

PU

T5

DA

J

109VSS

110SPIO_SIMO

111 SPIO_SOMI/I2C0_SDA112

DVDD113 AXR0[0]114 VSS115 AXR0[1]116 AXR0[2]117 AXR0[3]118 VSS119 AXR0[4]120 AXR0[5]/SPI1_SCS121 AXR0[6]/SPI1_ENA]122 AXR0[7]/SPI1_CLK123 CVDD124 VSS125 DVDD126 AXR0[8]/AXR1[5]/SPI1_SOMI127 AXR0[9]/AXR1[4]/SPI1_SIMO128 CVDD129 VSS130 AXR0[10]/AXR1[3]131 AXR0[11]/AXR1[2]132 CVDD133 VSS134 AXR0[12]/AXR1[1]135 AXR0[13]/AXR1[0]136 DVDD137 AXR0[14]/AXR2[1]138 AXR0[15]/AXR2[0]139 ACLKR0140 VSS141 AFSR0142 ACLKX0143 AHCLKR0/AHCLKR1144 AFSX0

1 2 3 4 5 6V

SS

7A

CLK

X1

8C

VD

D9

AC

LKR

110

DV

DD

11A

FS

X1

12A

FS

R1

13V

SS

14R

ES

ET

15V

SS

16C

VD

D17

CLK

IN18

VS

S19

TM

S20

CV

DD

21T

RS

T22

OS

CV

SS

23O

SC

IN24

OS

CO

UT

25O

SC

VD

D26

VS

S27

PLL

HV

28T

DI

29T

DO

30V

SS

31D

VD

D32

EM

U[0

]33

CV

DD

34E

MU

[1]

35T

CK

36V

SS

37EM_CAS

38EM_WE

39EM_WE_DQM[0]

40VSS

41EM_D[7]

42DVDD

43EM_D[6]

44CVDD

45EM_D[5]

46EM_D[4]

47VSS

48EM_D[3]

49EM_D[2]

50DVDD

51EM_D[1]

52EM_D[0]

53CVDD

54VSS

55EM_D[15]

56EM_D[14]

57CVDD

58EM_D[13]

59EM_D[12]

60DVDD

61EM_D[11]

62VSS

63EM_D[10]

64EM_D[9]

65CVDD

66EM_D[8]

67EM_WE_DQM[1]

68DVDD

69VSS

70EM_CLK

71EM_CKE

72VSS

73D

VD

D

74E

M_A

[11]

75E

M_A

[9]

76E

M_A

[8]

77C

VD

D

78V

SS

79E

M_A

[7]

80E

M_A

[6]

81D

VD

D

82V

SS

83E

M_A

[5]

84E

M_A

[4]

85C

VD

D

86E

M_A

[3]

87V

SS

88E

M_A

[2]

89E

M_A

[1]

90C

VD

D

91E

M_A

[0]

92D

VD

D

93E

M_A

[10]

94E

M_B

A[1

]

95V

SS

96E

M_B

A[0

]

97E

M_C

S[0

]

98E

M_R

AS

99V

SS

100

EM

_CS

[2]

101

CV

DD

102

EM

_RW

103

DV

DD

104

EM

_OE

105

106

107

108

L3572

LM182

R3504

47

L3602

LL241

R3602 1K

R3608 1K

R36

071K

R36

062.

2K

R35

071K

R35

062.

2K

R3508 1K

R3502 1K

1VCC0

2DQ0

3DQ1

4GNDQ1

5DQ2

6DQ3

7VCCQ1

8DQ4

9DQ5

10GNDQ2

11DQ6

12DQ7

13VCCQ2

14LDQM

15_WE

16_CAS

17_RAS

18_CS

19A11

20A10

21A0

22A1

23A2

24A3

25VCC1 26

GND1

27A4

28A5

29A6

30A7

31A8

32A9

33NC1

34CKE

35CLK

36UDQM

37NC2

38VCCQ3

39DQ8

40DQ9

41GNDQ3

42DQ10

43DQ11

44VCCQ4

45DQ12

46DQ13

47GNDQ4

48DQ14

49DQ15

50GND2 1 VDD

2 DQ03 VDDQ4 DQ15 DQ26 VSSQ7 DQ38 DQ49 VDDQ

10 DQ511 DQ612 VSSQ13 DQ714 VDD15 LDQM16 WE17 CAS18 RAS19 CS20 BA021 BA122 A1023 A024 A125 A226 A327 VDD 28VSS

29A4

30A5

31A6

32A7

33A8

34A9

35A11

36NC

37CKE

38CLK

39UDQM

40NC

41VSS

42DQ8

43VDDQ

44DQ9

45DQ10

46VSSQ

47DQ11

48DQ12

49VDDQ

50DQ13

51DQ14

52VSSQ

53DQ15

54VSS

1 A152 A143 A134 A125 A116 A107 A98 A89 NC

10 NC11 WE#12 RESET#13 NC14 NC15 RY/BY#16 NC17 A1718 A719 A620 A521 A422 A323 A224 A1 25A0

26CE#

27GND

28OE#

29Q0

30Q8

31Q1

32Q9

33Q2

34Q10

35Q3

36Q11

37VCC

38Q4

39Q12

40Q5

41Q13

42Q6

43Q14

44Q7

45Q15

46GND

47BYTE#

48A16 1 A152 A143 A134 A125 A116 A107 A98 A89 NC

10 NC11 WE12 RESET13 NC14 NC15 RY/BY16 A1817 A1718 A719 A620 A521 A422 A323 A224 A1 25A0

26CE

27GND

28OE

29Q0

30Q8

31Q1

32Q9

33Q2

34Q10

35Q3

36Q11

37VCC

38Q4

39Q12

40Q5

41Q13

42Q6

43Q14

44Q7

45Q15/A-1

46GND

47BYTE

48A16

R36561K

C3552

101J

R35541K

109VSS

110SPIO_SIMO

111SPIO_SOMI/I2C0_SDA

112 DVDD113 AXR0[0]114 VSS115 AXR0[1]116 AXR0[2]117 AXR0[3]118 VSS119 AXR0[4]120 AXR0[5]/SPI1_SCS121 AXR0[6]/SPI1_ENA]122 AXR0[7]/SPI1_CLK123 CVDD124 VSS125 DVDD126 AXR0[8]/AXR1[5]/SPI1_SOMI127 AXR0[9]/AXR1[4]/SPI1_SIMO128 CVDD129 VSS130 AXR0[10]/AXR1[3]131 AXR0[11]/AXR1[2]132 CVDD133 VSS134 AXR0[12]/AXR1[1]135 AXR0[13]/AXR1[0]136 DVDD137 AXR0[14]/AXR2[1]138 AXR0[15]/AXR2[0]139 ACLKR0140 VSS141 AFSR0142 ACLKX0143 AHCLKR0/AHCLKR1144 AFSX0

1

1:V

SS

2

2:A

HC

LKX

0/A

HC

LKX

2

3

3:A

MU

TE

0

4

4:A

MU

TE

1

5

5:A

HC

LKX

1

6V

SS

7A

CLK

X1

8C

VD

D9

AC

LKR

110

DV

DD

11A

FS

X1

12A

FS

R1

13V

SS

14R

ES

ET

15V

SS

16C

VD

D17

CLK

IN18

VS

S19

TM

S20

CV

DD

21T

RS

T22

OS

CV

SS

23O

SC

IN24

OS

CO

UT

25O

SC

VD

D26

VS

S27

PLL

HV

28T

DI

29T

DO

30V

SS

31D

VD

D32

EM

U[0

]33

CV

DD

34E

MU

[1]

35T

CK

36V

SS

37EM_CAS

38EM_WE

39EM_WE_DQM[0]

40VSS

41EM_D[7]

42DVDD

43EM_D[6]

44CVDD

45EM_D[5]

46EM_D[4]

47VSS

48EM_D[3]

49EM_D[2]

50DVDD

51EM_D[1]

52EM_D[0]

53CVDD

54VSS

55EM_D[15]

56EM_D[14]

57CVDD

58EM_D[13]

59EM_D[12]

60DVDD

61EM_D[11]

62VSS

63EM_D[10]

64EM_D[9]

65CVDD

66EM_D[8]

67EM_WE_DQM[1]

68DVDD

69VSS

70EM_CLK

71EM_CKE

72VSS

73D

VD

D

74E

M_A

[11]

75E

M_A

[9]

76E

M_A

[8]

77C

VD

D

78V

SS

79E

M_A

[7]

80E

M_A

[6]

81D

VD

D

82V

SS

83E

M_A

[5]

84E

M_A

[4]

85C

VD

D

86E

M_A

[3]

87V

SS

88E

M_A

[2]

89E

M_A

[1]

90C

VD

D

91E

M_A

[0]

92D

VD

D

93E

M_A

[10]

94E

M_B

A[1

]

95V

SS

96E

M_B

A[0

]

97E

M_C

S[0

]

98E

M_R

AS

99V

SS

100

EM

_CS

[2]

101

CV

DD

102

EM

_RW

103

DV

DD

104

EM

_OE

105

105:

SP

IO_E

NA

/I2C

1_S

DA

106

106:

VS

S

107

107:

SP

IO_S

CS

/I2C

1_S

CL

108

108:

SP

IO_C

LK/I2

C0_

SC

L

Q7222BD7820

5D

AJ

4O

UT

PU

T

3G

ND

2IN

PU

T

1_S

HU

T

U25 DSP PC BOARD

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

+1.2V

+3.3V

+1.2V

+3.3V

+1.2V

+3.3V

+1.2V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+1.2V

+1.2V

105:

SP

IO_E

NA

/I2C

1_S

DA

106:

VS

S10

7:S

PIO

_SC

S/I2

C1_

SC

L10

8:S

PIO

_CLK

/I2C

0_S

CL

1:V

SS

2:A

HC

LKX

0/A

HC

LKX

23:

AM

UT

E0

4:A

MU

TE

15:

AH

CLK

X1

Q3601TMS320D707E001BRFP250

3rd DSP

Q3501TMS320D788E001BRFP266

2nd DSP

ES

29LV

400E

T-70

TG

or

S29

AL0

04D

70T

FI0

10

Q35

61

RM

S11

6T o

rIC

42S

1610

0 or

M12

L161

61A

-7T

G

16 M

bit S

DR

AM

Q35

514

Mbi

t FLA

SH

RO

M

ES

29LV

800E

T-70

TG

or

S29

AL0

08D

70T

FI0

10

8 M

bit F

LAS

H R

OM

Q36

61

IS42

S16

400D

-7T

L or

K4S

6416

32K

-UC

60 o

rM

12L6

4164

A-7

TG

64 M

bit S

DR

AM

Q36

51

Page 31: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-12 (SD-12) XM/SIRIUS SECTION

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

XM_SDO_LXM_RESET

I2S_SCLK

I2S_SDO

I2S_LRCLKI2S_OCLK

XMRXD

TUNDACRST

SRTXD_5VSRRST_5V

XMRSV1

+5.3VXM

XM_RXM_L

-15VA+15VA

XMRST

XMTXD

GNDDGSR_RSR_L

XM_SDI_L

GNDXM

SRRXD_5V

XM_RESET

XM_SDO_L

XM_SDI_L

XM_ERR_IRQ

+3.3V_XM

XMRSV2

TO N

AA

R-9

075

SD

-8:F

2

NARF-9077

R11

7

100K

C12

0

104Z

C12

4

100/

16C

123

104Z

L105BLM21PG221SN1

R121 22

R123 22

L106BLM21PG221SN1

C11

8

470/

6.3

R116

22

L103

BLM21PG221SN1

Q104TA48033AF

3O

2G

1I

R120 100

R122100

C126 104Z

C127 104Z

C11

7

100/

16

C111

104Z

C10

8

104Z

C10

7

104Z

L101

BK

1608

LM18

2

C11

9

100/

16

C116

104Z

C122

104Z

C110

104Z

C115

102K

R11

3

100K

R11

4

100K

R11

5

100K

C102

104Z

C101 470/6.3

C104

10/50

Q102TA48033AF

3O

2G 1

I

C10

9

104Z

C10

6

104Z

R127

2.2K

R126

2.2K

R12

4

100K

R129

2.2K

R128

2.2K

C13

1

821J

C13

0

821J

C133

821J

C132

821J

R13

1

3.3K

R13

0

3.3K

R132

4.7K

R133

4.7K

Q101CS4344

DAC

1SDIN

2DEM/SCLK

3LRCK

4MCLK

5VQ

6FILT+

7AOUTL

8GND

9VA

10AOUTR

L102

022K

R106

22

R103 330

R102 330

R104 330

R105 100

C10

5

10/5

0

P10

2A

123456789

101112131415161718

R101

22

R107

22

Q105A

NE5532APSR

3

21

8

Q105B

NE5532APSR

6

5

4

7

R12

5

100K

R13

6

100K

C129

10/50

C128

10/50

C12

1

104Z

Q107TC74VHCT08AFT

89

1011121314

VCC1234567

GND

C139

104Z

R13

5

100K

R13

7

47

C13

510

0/25

C13

610

0/25

Q103F2628E-01 orBU9450KV-E2

XM

1LSDP

2VSS

3SC_TX_OUT

4VDD

5SC_RX_IN

6 I2C_SCL7

I2C_SDA8

VDD9

ANT_REV10

VSS11

RST12

12:SLAVE_SEL

13I2

S_R

ATE

14LI

NK

AC

TIV

E15

CO

MM

_TX

_EN

16V

SS

17V

DD

18C

OM

M_R

X_P

19C

OM

M_R

X_M

20V

DD

21V

SS

22C

OM

M_T

X_M

23C

OM

M_T

X_P

24V

SS

25VSS

26OSC_OUT

27VDD

28OSC_IN

29SC_RATE

30TEST

31VSS

32HSDP_DA

33VDD

34HSDP_CLK

35DT4_MODE

36HSDP_EN

37I2

S_D

A

38V

SS

39I2

S_C

LK

40V

DD

41I2

S_L

RC

LK

42V

SS

43I2

S_O

CLK

44M

UT

E

45S

AII_

CLK

46V

DD

47S

AII_

DA

48S

AII_

EN

R110 100K

C12

510

4Z

R11

91K

R141 100K

R11

81K

L104

022K

X10

1

45.1

584M

Hz

R112 680

C114040C

C112

080D

R11

1

1M

C113

104Z

R142 10K

R145

100K

E10

2

Q106B

NE5532APSR

6

5

4

7

Q106A

NE5532APSR

3

21

8

C137

10/50

C138

10/50R109

22

R108

22

P121

11GND

10SHIELD

9SHIELD

8L_OUT

7AGND

6TX

5R_OUT

4GND

3RX

2ACCY

1VBATT

P122

4321

D-D+

+V

GND

U30 XM PC BOARD

XM

SIRIUS

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

+14.4V

-14.4V

+3.3V

+3.3V

+3.3V

+3.3V

Page 32: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-12 (SD-12) XM/SIRIUS SECTION

A

1

2

3

4

5

B C D E F G H

XM_SDO_LXM_RESET

I2S_SCLK

I2S_SDO

I2S_LRCLKI2S_OCLK

XMRXD

TUNDACRST

SRTXD_5VSRRST_5V

XMRSV1

+5.3VXM

XM_RXM_L

-15VA+15VA

XMRST

XMTXD

GNDDGSR_RSR_L

XM_SDI_L

GNDXM

SRRXD_5V

XM_RESET

XM_SDO_L

XM_SDI_L

XM_ERR_IRQ

+3.3V_XM

XMRSV2

TO N

AA

R-9

075

SD

-8:F

2

NARF-9077

R11

7

100K

C12

0

104Z

C12

4

100/

16C

123

104Z

L105BLM21PG221SN1

R121 22

R123 22

L106BLM21PG221SN1

C11

8

470/

6.3

R116

22

L103

BLM21PG221SN1

Q104TA48033AF

3O

2G

1I

R120 100

R122100

C126 104Z

C127 104Z

C11

7

100/

16

C111

104Z

C10

8

104Z

C10

7

104Z

L101

BK

1608

LM18

2

C11

9

100/

16

C116

104Z

C122

104Z

C110

104Z

C115

102K

R11

3

100K

R11

4

100K

R11

5

100K

C102

104Z

C101 470/6.3

C104

10/50

Q102TA48033AF

3O

2G 1

I

C10

9

104Z

C10

6

104Z

R127

2.2K

R126

2.2K

R12

4

100K

R129

2.2K

R128

2.2K

C13

1

821J

C13

0

821J

C133

821J

C132

821J

R13

1

3.3K

R13

0

3.3K

R132

4.7K

R133

4.7K

Q101CS4344

DAC

1SDIN

2DEM/SCLK

3LRCK

4MCLK

5VQ

6FILT+

7AOUTL

8GND

9VA

10AOUTR

L102

022K

R106

22

R103 330

R102 330

R104 330

R105 100

C10

5

10/5

0

P10

2A

123456789

101112131415161718

R101

22

R107

22

Q105A

NE5532APSR

3

21

8

Q105B

NE5532APSR

6

5

4

7

R12

5

100K

R13

6

100K

C129

10/50

C128

10/50

C12

1

104Z

Q107TC74VHCT08AFT

89

1011121314

VCC1234567

GND

C139

104Z

R13

5

100K

R13

7

47

C13

510

0/25

C13

610

0/25

Q103F2628E-01 orBU9450KV-E2

XM

1LSDP

2VSS

3SC_TX_OUT

4VDD

5SC_RX_IN

6 I2C_SCL7

I2C_SDA8

VDD9

ANT_REV10

VSS11

RST12

12:SLAVE_SEL

13I2

S_R

ATE

14LI

NK

AC

TIV

E15

CO

MM

_TX

_EN

16V

SS

17V

DD

18C

OM

M_R

X_P

19C

OM

M_R

X_M

20V

DD

21V

SS

22C

OM

M_T

X_M

23C

OM

M_T

X_P

24V

SS

25VSS

26OSC_OUT

27VDD

28OSC_IN

29SC_RATE

30TEST

31VSS

32HSDP_DA

33VDD

34HSDP_CLK

35DT4_MODE

36HSDP_EN

37I2

S_D

A

38V

SS

39I2

S_C

LK

40V

DD

41I2

S_L

RC

LK

42V

SS

43I2

S_O

CLK

44M

UT

E

45S

AII_

CLK

46V

DD

47S

AII_

DA

48S

AII_

EN

R110 100K

C12

510

4Z

R11

91K

R141 100K

R11

81K

L104

022K

X10

1

45.1

584M

Hz

R112 680

C114040C

C112

080D

R11

1

1M

C113

104Z

R142 10K

R145

100K

E10

2

Q106B

NE5532APSR

6

5

4

7

Q106A

NE5532APSR

3

21

8

C137

10/50

C138

10/50R109

22

R108

22

P121

11GND

10SHIELD

9SHIELD

8L_OUT

7AGND

6TX

5R_OUT

4GND

3RX

2ACCY

1VBATT

P122

4321

D-D+

+V

GND

U30 XM PC BOARD

XM

SIRIUS

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

+14.4V

-14.4V

+3.3V

+3.3V

+3.3V

+3.3V

Page 33: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-13 (SD-13) DISPLAY SECTION

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

MIC

+15

VA

-15V

A

MIC

DE

T

RE

MIN

IRIN

A2

IRIN

A1

GN

DV

D

AU

X2_

RA

UX

2_L

GN

DA

UX

2

AU

X2C

V_I

N

AU

X2S

Y_I

N

AU

X2S

C_I

N

+3.

3VS

T

MIC

MU

TE

GNDDG

KEY3

GNDDG

GNDDG

GNDDG

KEY0_1

KEY1

KEY2

KEYINT1+3.3VST

FLD

RS

T

DIG

CLK

FLD

RS

TF

LD2C

SD

IGC

LKD

IGS

DO

DIG

SD

O

FLA

C1

FLA

C1P3

P5

P7

P9

P2

P4

P6

P8

P1

P11 P10

P12

2G3G4G

P0

P35

+3.3VMPU

5G6G7G8G9G10G11G12G13G14G15G

P36

P38P37

P46

P50

P49

P48

P47

P51

P45

P54

P53

P52

P44

P43

P42P41

P40

P39

P69

-VPP63

P62

P68P67P66P65P64

P61P60P59P58P57P56P55

+3.3VMPU

P18

P19

P16

P17

P14

P15

P13

P19

P18

P17

P16

P15

P14

P13

P12

P11

P10

P1

-VP

P34

P32

P30

P28

P26

P24

P22

P35

P33

P31

P29

P27

P25

P23

P21

P20

P67 P66

P64

P62

P56

P54

P52

P50

P48

P46

P44

P42

P40

P38

P36

P65

P63

P61

P57

P55

P53

P51

P49

P47

P45

P43

P41

P39

P37P60

P58P59

P70

P68

P69

16G

14G

12G

15G

13G

11G

10G

9G 8G 7G 6G 5G 4G 3G 2G 1G

FLA

C2

FLA

C2

-VPP27

P34P33P32P31P30P29P28

P26P25P24P23P22P21P20

P9

P8

P7

P6

P5

P4

P3P2

16G

P70G

ND

DG

GNDDG

+3.

3VM

PU

FLD

1CS

+3.

3VM

PU

GN

DD

G

1G

FLAC2

+3.3VMPU

IRINA1IRINA2

KEY1KEY2KEY3

+3.3VMPUGNDDG

KEYINT1LEDLATCH

FLD2CSFLD1CS

FLDRST

DIGSDODIGCLK

REMIN

MICDETMICMUTE

OPTF

+15VA-15VA

VOLBVOLA

LEDPURE

LEDSTBYLEDZ3

LEDZ2

+5VMPU

MIC

AUX2_R

AUX2_LGNDAUX2

-VP

GNDVD

AUX2SY_INAUX2CV_IN

AUX2SC_IN

FLAC1

+3.3VST

KEY0

IRINB1IRINB2

LEDREADY

OP

TF

+5V

MP

U

GN

DD

G

GNDDG

+3.3VMPU

P0

VOLAVOLB

+5VMPU

GNDDGHPDET

GNDHP_R

HP_L

LEDSTBY

KEY0_1

LEDZ3LEDZ2

LEDPURE

+5VMPUKEY0

GNDDG

LEDREADYLEDSTBYLEDREADYLEDZ2LEDZ3LEDPUREKEY0+5VMPUGNDDGKEY0_1

P0

+5VMPU

VOLA+3.3VMPU

VOLBGNDDG

VOLAVOLB

GNDDG

P0+5VMPU

+3.3VMPU

SE

TU

P

TH

X

ST

ER

EO

HD

MI O

UT

DIG

ITA

L IN

LE

VE

L

TON

E

PR

ES

ET

R

PR

ES

ET

UP

PR

ES

ET

DO

WN

TU

NIN

GM

OD

E

ZO

NE

3

ZO

NE

2

AU

DIO

SE

L

ZO

NE

OF

FP

RE

SE

T L

DIM

ME

R

LIS

TE

NIN

GM

OD

E R

LIS

TE

NIN

GM

OD

E L

DV

D

AU

X2

VC

R/D

VR

CB

L/S

AT

DIS

PL

AY

NE

T/U

SB

EN

TE

R

RE

TU

RN

ZO

NE

LE

FT

AU

X1

GA

ME

/TV

TAP

E

CD

TU

NE

R

ME

MO

RY

ZO

NE

RIG

HT

PH

ON

O

FL DRIVER(MASTER)

FL DRIVER(SLAVE)

TON

E(J

APA

N)

*

TO N

AA

R-9

075

SD

-8:H

2

VOLUME

MASTERVOLUME

NAETC-9091

TO N

AA

SP

-905

0(2/

2)(J

L401

3B)

SD

-2:H

1

STA

ND

BY

PUREAUDIO

ZONE3

PU

RE

AU

DIO

STANDBYZONE2 READY

NADIS-9086

DC, DD

DT, MK, MTNA905

J7592 J7593 J7594 J7595 D7595R7598

150

R7599

150220

Q7594

YES YES YES

YES YESNO NO NO NO

YES

NO

NO NO

TO N

AP

S-9

089

SD

-14:

H5

NAETC-9090

NADIS-9085

NAETC-9088

Q75

32R

N14

41

R753733K

R7538220

R7539220

C7537330J

C75

30

102K

C75

3110

2K

R7531100

L7530

022K

C75

3347

/35

R75

25

75R

752475

R752375

Q7520:B

Q7520:A

NE5532APSR

6

5

3

2

8

1

7

4

C753910/35R7521

330

R7522

330

C75

2222

1J

R75

2722

KR

7526

22K

C754010/35

R75

28

220K

R75

29

220K

C75

2322

1J

D75

23

1SS

355

D75

221S

S35

5

C75

4310

2K

D75

61

1SS

355

C75

6210

2K

D75

311S

S35

5

D75

32

1SS

355

D75

601S

S35

5

C75

34

47/3

5D

7530

UD

ZS

5.1B

R75

33

330

R75

30

4.7K

R75

351K

R75

3622

0K

R75

3410

0K

C75

3610

1J

R7532330

C753810/35

C753510/35

Q7530:B

Q7530:A

NJM4580M-D

2

3

5

6

4

7

1

8

D75

20

1SS

355

D75

211S

S35

5

C75

2410

2K

P7530

1873245

P75

22Y

CC

OM

PL

R

S76

13S

7623

S76

21

S76

25

S76

44S

7634

S76

33S

7643

S76

42S

7632

S76

31S

7641

S76

35S

7645

S76

16S

7626

S76

46S

7636

S76

18

S76

19

S76

37S

7647

S76

38

S76

39

S76

40

S76

49

S76

50S

7630

S76

29

S76

27

S76

22

S76

15

R7612330

R7613

SELECTOR KEYS

R7614560

R7615820

R7621270

R7622330

R7623470

R7624560

R7631270

R7632330

R7633470

R7634560

R7635820

R7645820

R7644560

R7643470

R7642330

R7641270

R7625820

S76

14S

7624

R76183.9K

R76172.2K

R76161.2K

R76261.2K

R76272.2K

R76283.9K

R762912K

R76361.2K

R76372.2K

R76383.9K

R763912K

R764912K

R76483.9K

R76472.2K

R76461.2K

S76

28S

7648

S76

17

C7511104Z

C79

0010

4Z

R75

0227

K

Q7502M66005-0001AHP

49

49:SEG250 SEG151 SEG052 VCC253 DIG15/SEG3954 DIG14/SEG3855 DIG13/SEG3756 DIG12/SEG3657 DIG1158 DIG1059 DIG960 DIG861 DIG762 DIG663 DIG564

64:DIG4

1D

IG03

2D

IG02

3D

IG01

4D

IG00

5_R

ES

ET

6_C

S7

SC

K8

SD

ATA

9P

110

P0

11V

CC

112

XO

UT

13X

IN14

VS

S15

SE

G35

16

16:S

EG

34

17SEG33

18SEG32

19SEG31

20SEG30

21SEG29

22SEG28

23SEG27

24-VP

25SEG26

26SEG25

27SEG24

28SEG23

29SEG22

30SEG21

31SEG20

32

32:SEG19

33S

EG

18

34S

EG

17

35S

EG

16

36S

EG

15

37S

EG

14

38S

EG

13

39S

EG

12

40S

EG

11

41S

EG

10

42S

EG

9

43S

EG

8

44S

EG

7

45S

EG

6

46S

EG

5

47S

EG

4

48S

EG

3

Q7501M66005-0001AHP

49

49:SEG250 SEG151 SEG052 VCC253 DIG15/SEG3954 DIG14/SEG3855 DIG13/SEG3756 DIG12/SEG3657 DIG1158 DIG1059 DIG960 DIG861 DIG762 DIG663 DIG564

64:DIG4

1D

IG03

2D

IG02

3D

IG01

4D

IG00

5_R

ES

ET

6_C

S7

SC

K8

SD

ATA

9P

110

P0

11V

CC

112

XO

UT

13X

IN14

VS

S15

SE

G35

16

16:S

EG

34

17SEG33

18SEG32

19SEG31

20SEG30

21SEG29

22SEG28

23SEG27

24-VP

25SEG26

26SEG25

27SEG24

28SEG23

29SEG22

30SEG21

31SEG20

32

32:SEG19

33S

EG

18

34S

EG

17

35S

EG

16

36S

EG

15

37S

EG

14

38S

EG

13

39S

EG

12

40S

EG

11

41S

EG

10

42S

EG

9

43S

EG

8

44S

EG

7

45S

EG

6

46S

EG

5

47S

EG

4

48S

EG

3

Q7500FL TUBEHNA-16SL04T

1F

1

2F

1

4P

1

5P

2

6P

3

7P

4

8P

5

9P

6

10P

7

11P

8

12P

9

13P

10

14P

11

15P

12

16P

13

17P

14

18P

15

19P

16

20P

17

21P

18

22P

19

23P

20

24P

21

25P

22

26P

23

27P

24

28P

25

29P

26

30P

27

31P

28

32P

29

33P

30

34P

31

35P

32

36P

33

37P

34

38P

35

391G

402G

413G

424G

435G

446G

457G

468G

479G

4810

G

4911

G

5012

G

5113

G

5214

G

5315

G

5416

G

55P

36

56P

37

57P

38

58P

39

59P

40

60P

41

61P

42

62P

43

63P

44

64P

45

65P

46

66P

47

67P

48

68P

49

69P

50

70P

51

71P

52

72P

53

73P

54

74P

55

75P

56

76P

57

77P

58

78P

59

79P

60

80P

61

81P

62

82P

63

83P

64

84P

65

85P

66

86P

67

87P

68

88P

69

89P

70

91F

2

92F

2

C75

1810

4Z

C7519104Z

R75

062.

2KR

7505

2.2K

R75

042.

2K

R75

10R

7509

C7514

104Z

R75

08

R75

032.

2K

R75

072.

2K2.

2K2.

2K2.

2K

C75

1310

4Z

Q75

042S

C27

12-G

R

Q75

032S

C27

12-G

R

C75

1218

0J

Q7611TC74VHC08F

1 1A2 1B3 1Y4 2A5 2B6 2Y7 GND 83Y

93A

103B

114Y

124A

134B

14VCC

X4

AND

C75

0122

3ZC

7502

104Z

R75

00

220

C75

03

104Z

C75

0447

3Z

R75

0122

0

C75

0547

3ZD

7500

UD

ZS

10B

C75

06

33/5

0

R7520

220

C75

2022

3Z

L7520

022K

C75

2110

0/10

+

JL7560A

123

U7520

TORX177L

2GND

3VCC

1IN

U7560

123

R7561100

R7560 1K

C75

61

102KC

7560

220/

6.3

D75

70S

IR-3

4ST

3F

JL7591A123456

C75

9110

3Z

C75

9010

3Z

R75

9010

K

R75

9110

K

D7590SDPB3DD0C

S7590

1

3

5

2

4

R759310K

R7592 10K

JL7591B

654321

C75

8110

2K

C75

8310

2KL7582022K

D75

801S

S35

5D

7581

1SS

355

C75

8010

2K

C75

8210

2KD

7582

1SS

355

E7580

D75

831S

S35

5

L7580022K

L7581022K

R758133(1W)

R758033(1W)

JL4103B

54321 P7580

5423781

JL7590A123456789

D7591

Q7594DTC123JKAQ7593

DTC123JKA

Q7591

DTC123JKA

S76

12

S76

11

R7611270

D7595

R75

9915

0

Q7592

DTC123JKA

J759

0

J7592

J759

5

R75

9618

0

R75

9718

0

R75

9539

0

R75

9822

0

D7594D7593D7592

J7594J7593

JL7590B

987654321

Q7597DTC123JKA

R78

0210

K

Q7598DTC123JKA

R7594180

JL9303A

4 +3.3VMPU3 -VP2 FLAC21 FLAC1

P7501B

40393837363534333231302928272625242322212019181716151413121110987654321

JL7560B

321

R79

54

R79

3910

0K

100K

U33 DISPLAY PC BOARD

U38 FRONT OPT PC BOARD

U34 DISPLAY PC BOARD

U39 VOLUME PC BOARD

U36 HEADPHONE PC BOARD

DIGITAL

AUDIO

AUX 2 INPUT(FRONT)

VIDEO

S VIDEO

SETUP MIC

HEADPHONE

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

!THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

NOTE

+5.0V

+5.0V

+3.3V

+3.

3V

+3.

3V

+3.3V

+14.4V

-14.4V

+5.0V

P204SOCKET AS

C75

50

102K

P75

50

US

B

5

1+VBUS

2DATA-

3DATA+

4GND

6

TO

NA

LAN

-912

1S

D-2

7:G

3

P204B

54321

WF63

WF62WF61

WF63

WF62WF61

<Note>Refer to SCHEMATIC DIAGRAM-29 (SD-29)for FL driver IC control waveforms.

Page 34: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-13 (SD-13) DISPLAY SECTION

A

1

2

3

4

5

B C D E F G H

MIC

+15

VA

-15V

A

MIC

DE

T

RE

MIN

IRIN

A2

IRIN

A1

GN

DV

D

AU

X2_

RA

UX

2_L

GN

DA

UX

2

AU

X2C

V_I

N

AU

X2S

Y_I

N

AU

X2S

C_I

N

+3.

3VS

T

MIC

MU

TE

GNDDG

KEY3

GNDDG

GNDDG

GNDDG

KEY0_1

KEY1

KEY2

KEYINT1+3.3VST

FLD

RS

T

DIG

CLK

FLD

RS

TF

LD2C

SD

IGC

LKD

IGS

DO

DIG

SD

O

FLA

C1

FLA

C1P3

P5

P7

P9

P2

P4

P6

P8

P1

P11 P10

P12

2G3G4G

P0

P35

+3.3VMPU

5G6G7G8G9G10G11G12G13G14G15G

P36

P38P37

P46

P50

P49

P48

P47

P51

P45

P54

P53

P52

P44

P43

P42P41

P40

P39

P69

-VPP63

P62

P68P67P66P65P64

P61P60P59P58P57P56P55

+3.3VMPU

P18

P19

P16

P17

P14

P15

P13

P19

P18

P17

P16

P15

P14

P13

P12

P11

P10

P1

-VP

P34

P32

P30

P28

P26

P24

P22

P35

P33

P31

P29

P27

P25

P23

P21

P20

P67 P66

P64

P62

P56

P54

P52

P50

P48

P46

P44

P42

P40

P38

P36

P65

P63

P61

P57

P55

P53

P51

P49

P47

P45

P43

P41

P39

P37P60

P58P59

P70

P68

P69

16G

14G

12G

15G

13G

11G

10G

9G 8G 7G 6G 5G 4G 3G 2G 1G

FLA

C2

FLA

C2

-VPP27

P34P33P32P31P30P29P28

P26P25P24P23P22P21P20

P9

P8

P7

P6

P5

P4

P3P2

16G

P70G

ND

DG

GNDDG

+3.

3VM

PU

FLD

1CS

+3.

3VM

PU

GN

DD

G

1G

FLAC2

+3.3VMPU

IRINA1IRINA2

KEY1KEY2KEY3

+3.3VMPUGNDDG

KEYINT1LEDLATCH

FLD2CSFLD1CS

FLDRST

DIGSDODIGCLK

REMIN

MICDETMICMUTE

OPTF

+15VA-15VA

VOLBVOLA

LEDPURE

LEDSTBYLEDZ3

LEDZ2

+5VMPU

MIC

AUX2_R

AUX2_LGNDAUX2

-VP

GNDVD

AUX2SY_INAUX2CV_IN

AUX2SC_IN

FLAC1

+3.3VST

KEY0

IRINB1IRINB2

LEDREADY

OP

TF

+5V

MP

U

GN

DD

G

GNDDG

+3.3VMPU

P0

VOLAVOLB

+5VMPU

GNDDGHPDET

GNDHP_R

HP_L

LEDSTBY

KEY0_1

LEDZ3LEDZ2

LEDPURE

+5VMPUKEY0

GNDDG

LEDREADYLEDSTBYLEDREADYLEDZ2LEDZ3LEDPUREKEY0+5VMPUGNDDGKEY0_1

P0

+5VMPU

VOLA+3.3VMPU

VOLBGNDDG

VOLAVOLB

GNDDG

P0+5VMPU

+3.3VMPU

SE

TU

P

TH

X

ST

ER

EO

HD

MI O

UT

DIG

ITA

L IN

LE

VE

L

TON

E

PR

ES

ET

R

PR

ES

ET

UP

PR

ES

ET

DO

WN

TU

NIN

GM

OD

E

ZO

NE

3

ZO

NE

2

AU

DIO

SE

L

ZO

NE

OF

FP

RE

SE

T L

DIM

ME

R

LIS

TE

NIN

GM

OD

E R

LIS

TE

NIN

GM

OD

E L

DV

D

AU

X2

VC

R/D

VR

CB

L/S

AT

DIS

PL

AY

NE

T/U

SB

EN

TE

R

RE

TU

RN

ZO

NE

LE

FT

AU

X1

GA

ME

/TV

TAP

E

CD

TU

NE

R

ME

MO

RY

ZO

NE

RIG

HT

PH

ON

O

FL DRIVER(MASTER)

FL DRIVER(SLAVE)

TON

E(J

APA

N)

*

TO N

AA

R-9

075

SD

-8:H

2

VOLUME

MASTERVOLUME

NAETC-9091TO

NA

AS

P-9

050(

2/2)

(JL4

013B

)S

D-2

:H1

STA

ND

BY

PUREAUDIO

ZONE3

PU

RE

AU

DIO

STANDBYZONE2 READY

NADIS-9086

DC, DD

DT, MK, MTNA905

J7592 J7593 J7594 J7595 D7595R7598

150

R7599

150220

Q7594

YES YES YES

YES YESNO NO NO NO

YES

NO

NO NO

TO N

AP

S-9

089

SD

-14:

H5

NAETC-9090

NADIS-9085

NAETC-9088

Q75

32R

N14

41

R753733K

R7538220

R7539220

C7537330J

C75

30

102K

C75

3110

2K

R7531100

L7530

022K

C75

3347

/35

R75

25

75R

752475

R752375

Q7520:B

Q7520:A

NE5532APSR

6

5

3

2

8

1

7

4

C753910/35R7521

330

R7522

330

C75

2222

1J

R75

2722

KR

7526

22K

C754010/35

R75

28

220K

R75

29

220K

C75

2322

1J

D75

23

1SS

355

D75

221S

S35

5

C75

4310

2K

D75

61

1SS

355

C75

6210

2K

D75

311S

S35

5

D75

32

1SS

355

D75

601S

S35

5

C75

34

47/3

5D

7530

UD

ZS

5.1B

R75

33

330

R75

30

4.7K

R75

351K

R75

3622

0K

R75

3410

0K

C75

3610

1J

R7532330

C753810/35

C753510/35

Q7530:B

Q7530:A

NJM4580M-D

2

3

5

6

4

7

1

8

D75

20

1SS

355

D75

211S

S35

5

C75

2410

2K

P7530

1873245

P75

22Y

CC

OM

PL

R

S76

13S

7623

S76

21

S76

25

S76

44S

7634

S76

33S

7643

S76

42S

7632

S76

31S

7641

S76

35S

7645

S76

16S

7626

S76

46S

7636

S76

18

S76

19

S76

37S

7647

S76

38

S76

39

S76

40

S76

49

S76

50S

7630

S76

29

S76

27

S76

22

S76

15

R7612330

R7613

SELECTOR KEYS

R7614560

R7615820

R7621270

R7622330

R7623470

R7624560

R7631270

R7632330

R7633470

R7634560

R7635820

R7645820

R7644560

R7643470

R7642330

R7641270

R7625820

S76

14S

7624

R76183.9K

R76172.2K

R76161.2K

R76261.2K

R76272.2K

R76283.9K

R762912K

R76361.2K

R76372.2K

R76383.9K

R763912K

R764912K

R76483.9K

R76472.2K

R76461.2K

S76

28S

7648

S76

17

C7511104Z

C79

0010

4Z

R75

0227

K

Q7502M66005-0001AHP

49

49:SEG250 SEG151 SEG052 VCC253 DIG15/SEG3954 DIG14/SEG3855 DIG13/SEG3756 DIG12/SEG3657 DIG1158 DIG1059 DIG960 DIG861 DIG762 DIG663 DIG564

64:DIG4

1D

IG03

2D

IG02

3D

IG01

4D

IG00

5_R

ES

ET

6_C

S7

SC

K8

SD

ATA

9P

110

P0

11V

CC

112

XO

UT

13X

IN14

VS

S15

SE

G35

16

16:S

EG

34

17SEG33

18SEG32

19SEG31

20SEG30

21SEG29

22SEG28

23SEG27

24-VP

25SEG26

26SEG25

27SEG24

28SEG23

29SEG22

30SEG21

31SEG20

32

32:SEG19

33S

EG

18

34S

EG

17

35S

EG

16

36S

EG

15

37S

EG

14

38S

EG

13

39S

EG

12

40S

EG

11

41S

EG

10

42S

EG

9

43S

EG

8

44S

EG

7

45S

EG

6

46S

EG

5

47S

EG

4

48S

EG

3

Q7501M66005-0001AHP

49

49:SEG250 SEG151 SEG052 VCC253 DIG15/SEG3954 DIG14/SEG3855 DIG13/SEG3756 DIG12/SEG3657 DIG1158 DIG1059 DIG960 DIG861 DIG762 DIG663 DIG564

64:DIG4

1D

IG03

2D

IG02

3D

IG01

4D

IG00

5_R

ES

ET

6_C

S7

SC

K8

SD

ATA

9P

110

P0

11V

CC

112

XO

UT

13X

IN14

VS

S15

SE

G35

16

16:S

EG

34

17SEG33

18SEG32

19SEG31

20SEG30

21SEG29

22SEG28

23SEG27

24-VP

25SEG26

26SEG25

27SEG24

28SEG23

29SEG22

30SEG21

31SEG20

32

32:SEG19

33S

EG

18

34S

EG

17

35S

EG

16

36S

EG

15

37S

EG

14

38S

EG

13

39S

EG

12

40S

EG

11

41S

EG

10

42S

EG

9

43S

EG

8

44S

EG

7

45S

EG

6

46S

EG

5

47S

EG

4

48S

EG

3

Q7500FL TUBEHNA-16SL04T

1F

1

2F

1

4P

1

5P

2

6P

3

7P

4

8P

5

9P

6

10P

7

11P

8

12P

9

13P

10

14P

11

15P

12

16P

13

17P

14

18P

15

19P

16

20P

17

21P

18

22P

19

23P

20

24P

21

25P

22

26P

23

27P

24

28P

25

29P

26

30P

27

31P

28

32P

29

33P

30

34P

31

35P

32

36P

33

37P

34

38P

35

391G

402G

413G

424G

435G

446G

457G

468G

479G

4810

G

4911

G

5012

G

5113

G

5214

G

5315

G

5416

G

55P

36

56P

37

57P

38

58P

39

59P

40

60P

41

61P

42

62P

43

63P

44

64P

45

65P

46

66P

47

67P

48

68P

49

69P

50

70P

51

71P

52

72P

53

73P

54

74P

55

75P

56

76P

57

77P

58

78P

59

79P

60

80P

61

81P

62

82P

63

83P

64

84P

65

85P

66

86P

67

87P

68

88P

69

89P

70

91F

2

92F

2

C75

1810

4Z

C7519104Z

R75

062.

2KR

7505

2.2K

R75

042.

2K

R75

10R

7509

C7514

104Z

R75

08

R75

032.

2K

R75

072.

2K2.

2K2.

2K2.

2K

C75

1310

4Z

Q75

042S

C27

12-G

R

Q75

032S

C27

12-G

R

C75

1218

0J

Q7611TC74VHC08F

1 1A2 1B3 1Y4 2A5 2B6 2Y7 GND 83Y

93A

103B

114Y

124A

134B

14VCC

X4

AND

C75

0122

3ZC

7502

104Z

R75

00

220

C75

03

104Z

C75

0447

3Z

R75

0122

0

C75

0547

3ZD

7500

UD

ZS

10B

C75

06

33/5

0

R7520

220

C75

2022

3Z

L7520

022K

C75

2110

0/10

+

JL7560A

123

U7520

TORX177L

2GND

3VCC

1IN

U7560

123

R7561100

R7560 1K

C75

61

102KC

7560

220/

6.3

D75

70S

IR-3

4ST

3F

JL7591A123456

C75

9110

3Z

C75

9010

3Z

R75

9010

K

R75

9110

K

D7590SDPB3DD0C

S7590

1

3

5

2

4

R759310K

R7592 10K

JL7591B

654321

C75

8110

2K

C75

8310

2KL7582022K

D75

801S

S35

5D

7581

1SS

355

C75

8010

2K

C75

8210

2KD

7582

1SS

355

E7580

D75

831S

S35

5

L7580022K

L7581022K

R758133(1W)

R758033(1W)

JL4103B

54321 P7580

5423781

JL7590A123456789

D7591

Q7594DTC123JKAQ7593

DTC123JKA

Q7591

DTC123JKA

S76

12

S76

11

R7611270

D7595

R75

9915

0

Q7592

DTC123JKA

J759

0

J7592

J759

5

R75

9618

0

R75

9718

0

R75

9539

0

R75

9822

0

D7594D7593D7592

J7594J7593

JL7590B

987654321

Q7597DTC123JKA

R78

0210

K

Q7598DTC123JKA

R7594180

JL9303A

4 +3.3VMPU3 -VP2 FLAC21 FLAC1

P7501B

40393837363534333231302928272625242322212019181716151413121110987654321

JL7560B

321

R79

54

R79

3910

0K

100K

U33 DISPLAY PC BOARD

U38 FRONT OPT PC BOARD

U34 DISPLAY PC BOARD

U39 VOLUME PC BOARD

U36 HEADPHONE PC BOARD

DIGITAL

AUDIO

AUX 2 INPUT(FRONT)

VIDEO

S VIDEO

SETUP MIC

HEADPHONE

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

!THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

NOTE

+5.0V

+5.0V

+3.3V

+3.

3V

+3.

3V

+3.3V

+14.4V

-14.4V

+5.0V

P204SOCKET AS

C75

50

102K

P75

50

US

B

5

1+VBUS

2DATA-

3DATA+

4GND

6

TO

NA

LAN

-912

1S

D-2

7:G

3

P204B

54321

WF63

WF62WF61

WF63

WF62WF61

<Note>Refer to SCHEMATIC DIAGRAM-29 (SD-29)for FL driver IC control waveforms.

Page 35: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-14 (SD-14) POWER SUPPLY SECTION-2

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

MPOWER

+12V

+12V

GND

APOWER1APOWER2

POFFGNDSUB

+SUB

+12V

MPOWER

F90

00

LIS

T

DC

Typ

e O

nly

MP

Typ

e O

nly

F9100

LIST

TO N

AV

D-9

052

SD

-6:H

2

NAPS-9057

NAETC-9073

TO N

AA

SP

-905

0(2/

2)S

D-2

:A3

TO N

AA

SP

-905

0(2/

2)S

D-2

:A3

NAPS-9058

P901

NASW-9087

Except DC Type

Except DC Type

DC Type Only

250V

R9105

100K

Q91

002S

C18

15-G

R

D91

00

1SS

133

R91

04

1K

J9001

C91

1610

3J

R91

071K

D91

01

1SS

133

R9108100K

C91

1922

3J

E9100

D90061SS133

D90051SS133

D90031SS133

D90011SS133

D90021SS133

D90001SS133

D90091SS133

D90081SS133

C91

1510

3J

Q91

012S

C18

15-G

R

RL9

101

4 321

RL9

101

RL9101:DC Type only

4 321

C90

01

2200

/25

+

C90

0810

0/25+

D9004RL1N4003

JL901A

1234567

J910

2

C90

024.

7/50

R900527

R91

0610

0

R91

09

47

RL9

100

4 321

P90

01A

C O

UT

LET

NR

L-1P

10A

-D

C9-

186

NR

L-1P

10A

-DC

9-18

6

NR

L-1P

10A

-DC

9-18

6

P9008A

CAUTIONF AFIN D'ASSURER UNE PROTECTIONPERMANENTE CONTRE LES RISQUESD'INCENDIE, REMPLACER UNIQUEMENTPAR UN FUSIBLE DE MEME TYPEET CALIBRATION COMME INDIQUE.

ATTENTION

V A

AV

CAUTION

AND RATING INDICATED.ONLY WITH FUSE OF SAME TYPEAGAINST FIRE HAZARD, REPLACEFOR CONTINUED PROTECTION

CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE ESTA LENT, E POUR UNE PROTECTION PERMANENTE,N'UTILISERQUE DES FUSIBLES DE MEME TYPE. CE DARNIER ESTINDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.

THAT THE FUSE USED IS SLOW OPERATING TYPE

RATING REFER TO THE MAKING ADJACENT TO THE SYMBOL.

THIS SYMBOL LOCATED NEAR THE FUSE INDICATES

FOR CONTINUED PROTECTION AGAINST FIRE FUSEHAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE

P9100

P9100

P9200

P9200

P9300

P9300

C90

0022

3J

T9000 LIST

1234

56789

P9006AP9006

(CRIMP AS)

(CRIMP AS) P9007AP9007

D9007MTZJ5.1B

C4720

47/50

C4721

47/50

C4724

47/50

C4725

47/50

R47

20

220K

R47

21

220K

R47

24

220K

R47

25

220K

Q4720A

NE5532AP3

2

1

8

Q4720B

NE5532AP

6

5

4

7

Q4722A

NE5532AP3

2

1

8

Q4722B

6

5

4

7

C4730

47/50

C4731

47/50

C4734

47/50

C4735

47/50

R47

30

220K

R47

31

220K

R47

34

220K

R47

35

220K

P41

11

123456789

10

C4736

47/50

R47

37

220K

R47

36

220K

C4737

47/50Q4723B6

5

4

7

Q4723A

NE5532AP

3

2

1

8

R47

27

220K

R47

26

220K

C4727

47/50

C4726

47/50

R47

33

220K

R47

32

220K

C4733

47/50

C4732

47/50

Q4721BNE5532AP

6

5

4

7

Q4721A3

2

1

8

R47

23

220K

R47

22

220K

C4723

47/50

C4722

47/50

R4740

22(1/2W)

R4741

22(1/2W)

C47

40

100/

25

C47

41

100/

25

P41

10

10987654321 +15V

-15V

P9000

INLET AC CORD

P9006B

P9007B

S9000

P9008B

C91

0810

4M

POWER

+3.3VMPU

-VP

FLAC2

FLAC1

POFF2

+9VDG

GNDDSP

GNDDAC

+9VDC

GNDDC

FLAC2

FLAC1

DSP_AC1

DSP_AC2

-VP_AC1

-VP_AC2

TO N

AD

G-9

074

SD

-9:H

4

NAPS-9089

F93014A

TO N

AD

IS-9

085

SD

-13:

B1

C93

0733

4J

D93071SS133

D93081SS133

D9303D10XB60H

D9311MTZJ5.1B

R93

0910

0K

C93

08

4.7/

50C

9302

1000

0/16+

C93

0622

3J

R93

0733

K

Q93012SC2235-Y

JL9303B

4

3

2

1

C93

0547

/63

R93081(1/2W) D

9310

MT

ZJ2

2C D93

06M

TZ

J22C

R93

05

5.6K

C93

04

470/

63+

J9311

J931

3

P9301A

6

5

4

3

2

1JL9501B

6

5

4

3

2

1

D9314RL1N4003

D9312RL1N4003

D9315RL1N4003

D9313RL1N4003

D9316RL1N4003

J9310

R931010(1/4W)

R9304

12(1/2W)

U35 SWITCH PC BOARD U26 AMPLIFIER PC BOARD

U37 POWER SUPPLY PC BOARD

U14 INLET PC BOARD

U13 POWER SUPPLYPC BOARD

P6500

P9104

P2502

P9201

P9301

NA

AF

-903

9S

D-5

:A5

NAT

RM

-905

5S

D-7

:A2

NA

VD

-905

2S

D-6

:H4

NAT

RM

-905

5S

D-7

:A3

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

F9100 F9000

STBY Trans T9000

TypeDC, DD, DT

MP, MBMK, MT

Volt / Freq.AC Volt / Freq.

220-240V 50/60HZ220-240V 50HZ

120V 60HZ

TypeDC, DDDT

MPMT,NA906

12A 125V12A 125V

6.3A 250V6.3A 250V

5A 125VNO

NO2.5A 250V

Fuse Rating

NPT-1554DRating

Power Trans T902

NPT-1554MNPT-1554M

TypeDC, DD, DT

MPMT, NA906

NPT-1555DRating

Power Trans T903

NPT-1555MNPT-1555M

TypeDC, DD, DT

MPMT, NA906

NPT-1556DRating

Power Trans T904

NPT-1556MNPT-1556M

TypeDC, DD, DT

MPMT, NA906

NPT-1520JQRating

NPT-1520GQNPT-1520GQ

TypeDC, DD, DT

MP, MBMK, MT

+14.4V

-14.4V

+14.0V

-14.0V

11

10

9

8

7

6

12345

123

123

123456

45

6

123456

7

13

56

78

9

4

1

3

2

11

10

98

76

5

41

3

2

12

15

14

16

17

1

3

2

T902

DSP

ASP

T903

T904

Small SizePOWER TRANS

Middle SizePOWER TRANS

Large Size POWER TRANS

S7

S6

S4

FLAC

-VP

TH

ER

MA

L F

US

E

VIDEO,HDMI

S9

S8

S5

HD

GND

PFS

TH

ER

MA

L F

US

E

S2

S3

S1

12VTRIGER,TUNER,FAN

SP RELAY

TH

ER

MA

L F

US

E

R9202

100

RL9

200

4 321

C92

00R

E27

5V-1

03M

C92

0110

3J

D92

001S

S13

3

Q92

002S

C18

15-G

R

R92

00

1K

R9201

100K

R91

00

M3R

014C

R91

02

M3R

014C

R91

01M

3R01

4C

Page 36: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-14 (SD-14) POWER SUPPLY SECTION-2

A

1

2

3

4

5

B C D E F G H

MPOWER

+12V

+12V

GND

APOWER1APOWER2

POFFGNDSUB

+SUB

+12V

MPOWER

F90

00

LIS

T

DC

Typ

e O

nly

MP

Typ

e O

nly

F9100

LIST

TO N

AV

D-9

052

SD

-6:H

2

NAPS-9057

NAETC-9073

TO N

AA

SP

-905

0(2/

2)S

D-2

:A3

TO N

AA

SP

-905

0(2/

2)S

D-2

:A3

NAPS-9058

P901

NASW-9087

Except DC Type

Except DC Type

DC Type Only

250V

R9105

100K

Q91

002S

C18

15-G

R

D91

00

1SS

133

R91

04

1K

J9001

C91

1610

3J

R91

071K

D91

01

1SS

133

R9108100K

C91

1922

3J

E9100

D90061SS133

D90051SS133

D90031SS133

D90011SS133

D90021SS133

D90001SS133

D90091SS133

D90081SS133

C91

1510

3J

Q91

012S

C18

15-G

R

RL9

101

4 321

RL9

101

RL9101:DC Type only

4 321

C90

01

2200

/25

+

C90

0810

0/25+

D9004RL1N4003

JL901A

1234567

J910

2

C90

024.

7/50

R900527

R91

0610

0

R91

09

47

RL9

100

4 321

P90

01A

C O

UT

LET

NR

L-1P

10A

-D

C9-

186

NR

L-1P

10A

-DC

9-18

6

NR

L-1P

10A

-DC

9-18

6

P9008A

CAUTIONF AFIN D'ASSURER UNE PROTECTIONPERMANENTE CONTRE LES RISQUESD'INCENDIE, REMPLACER UNIQUEMENTPAR UN FUSIBLE DE MEME TYPEET CALIBRATION COMME INDIQUE.

ATTENTION

V A

AV

CAUTION

AND RATING INDICATED.ONLY WITH FUSE OF SAME TYPEAGAINST FIRE HAZARD, REPLACEFOR CONTINUED PROTECTION

CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE ESTA LENT, E POUR UNE PROTECTION PERMANENTE,N'UTILISERQUE DES FUSIBLES DE MEME TYPE. CE DARNIER ESTINDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.

THAT THE FUSE USED IS SLOW OPERATING TYPE

RATING REFER TO THE MAKING ADJACENT TO THE SYMBOL.

THIS SYMBOL LOCATED NEAR THE FUSE INDICATES

FOR CONTINUED PROTECTION AGAINST FIRE FUSEHAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE

P9100

P9100

P9200

P9200

P9300

P9300

C90

0022

3J

T9000 LIST

1234

56789

P9006AP9006

(CRIMP AS)

(CRIMP AS) P9007AP9007

D9007MTZJ5.1B

C4720

47/50

C4721

47/50

C4724

47/50

C4725

47/50

R47

20

220K

R47

21

220K

R47

24

220K

R47

25

220K

Q4720A

NE5532AP3

2

1

8

Q4720B

NE5532AP

6

5

4

7

Q4722A

NE5532AP3

2

1

8

Q4722B

6

5

4

7

C4730

47/50

C4731

47/50

C4734

47/50

C4735

47/50

R47

30

220K

R47

31

220K

R47

34

220K

R47

35

220K

P41

11

123456789

10

C4736

47/50

R47

37

220K

R47

36

220K

C4737

47/50Q4723B6

5

4

7

Q4723A

NE5532AP

3

2

1

8

R47

27

220K

R47

26

220K

C4727

47/50

C4726

47/50

R47

33

220K

R47

32

220K

C4733

47/50

C4732

47/50

Q4721BNE5532AP

6

5

4

7

Q4721A3

2

1

8

R47

23

220K

R47

22

220K

C4723

47/50

C4722

47/50

R4740

22(1/2W)

R4741

22(1/2W)

C47

40

100/

25

C47

41

100/

25

P41

10

10987654321 +15V

-15V

P9000

INLET AC CORD

P9006B

P9007B

S9000

P9008B

C91

0810

4M

POWER

+3.3VMPU

-VP

FLAC2

FLAC1

POFF2

+9VDG

GNDDSP

GNDDAC

+9VDC

GNDDC

FLAC2

FLAC1

DSP_AC1

DSP_AC2

-VP_AC1

-VP_AC2

TO N

AD

G-9

074

SD

-9:H

4

NAPS-9089

F93014A

TO N

AD

IS-9

085

SD

-13:

B1

C93

0733

4J

D93071SS133

D93081SS133

D9303D10XB60H

D9311MTZJ5.1B

R93

0910

0K

C93

08

4.7/

50C

9302

1000

0/16+

C93

0622

3J

R93

0733

K

Q93012SC2235-Y

JL9303B

4

3

2

1

C93

0547

/63

R93081(1/2W) D

9310

MT

ZJ2

2C D93

06M

TZ

J22C

R93

05

5.6K

C93

04

470/

63+

J9311

J931

3

P9301A

6

5

4

3

2

1JL9501B

6

5

4

3

2

1

D9314RL1N4003

D9312RL1N4003

D9315RL1N4003

D9313RL1N4003

D9316RL1N4003

J9310

R931010(1/4W)

R9304

12(1/2W)

U35 SWITCH PC BOARD U26 AMPLIFIER PC BOARD

U37 POWER SUPPLY PC BOARD

U14 INLET PC BOARD

U13 POWER SUPPLYPC BOARD

P6500

P9104

P2502

P9201

P9301

NA

AF

-903

9S

D-5

:A5

NAT

RM

-905

5S

D-7

:A2

NA

VD

-905

2S

D-6

:H4

NAT

RM

-905

5S

D-7

:A3

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

F9100 F9000

STBY Trans T9000

TypeDC, DD, DT

MP, MBMK, MT

Volt / Freq.AC Volt / Freq.

220-240V 50/60HZ220-240V 50HZ

120V 60HZ

TypeDC, DDDT

MPMT,NA906

12A 125V12A 125V

6.3A 250V6.3A 250V

5A 125VNO

NO2.5A 250V

Fuse Rating

NPT-1554DRating

Power Trans T902

NPT-1554MNPT-1554M

TypeDC, DD, DT

MPMT, NA906

NPT-1555DRating

Power Trans T903

NPT-1555MNPT-1555M

TypeDC, DD, DT

MPMT, NA906

NPT-1556DRating

Power Trans T904

NPT-1556MNPT-1556M

TypeDC, DD, DT

MPMT, NA906

NPT-1520JQRating

NPT-1520GQNPT-1520GQ

TypeDC, DD, DT

MP, MBMK, MT

+14.4V

-14.4V

+14.0V

-14.0V

11

10

9

8

7

6

12345

123

123

123456

45

6

123456

7

13

56

78

9

4

1

3

2

11

10

98

76

5

41

3

2

12

15

14

16

17

1

3

2

T902

DSP

ASP

T903

T904

Small SizePOWER TRANS

Middle SizePOWER TRANS

Large Size POWER TRANS

S7

S6

S4

FLAC

-VP

TH

ER

MA

L F

US

E

VIDEO,HDMI

S9

S8

S5

HD

GND

PFS

TH

ER

MA

L F

US

E

S2

S3

S1

12VTRIGER,TUNER,FAN

SP RELAY

TH

ER

MA

L F

US

E

R9202

100

RL9

200

4 321

C92

00R

E27

5V-1

03M

C92

0110

3J

D92

001S

S13

3

Q92

002S

C18

15-G

R

R92

00

1K

R9201

100K

R91

00

M3R

014C

R91

02

M3R

014C

R91

01M

3R01

4C

Page 37: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-15 (SD-15) HDMI SECTION-1

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

VD43VD44VD45VD46VD47

VD12VD13VD14VD15VD16VD17VD18VD19VD20VD21

VD7VD8

VD2VD3VD4VD5

VD22VD23

VD27VD26

VD34VD35

VD37VD38VD39VD40VD41VD42

VD30VD31VD32VD33

VD9

VD36

VD6

PCI_AD31

PCI_AD0PCI_AD1PCI_AD2PCI_AD3PCI_AD4PCI_AD5PCI_AD6PCI_AD7PCI_AD8PCI_AD9PCI_AD10PCI_AD11PCI_AD12PCI_AD13PCI_AD14PCI_AD15PCI_AD16PCI_AD17PCI_AD18PCI_AD19PCI_AD20PCI_AD21PCI_AD22PCI_AD23PCI_AD24PCI_AD25PCI_AD26PCI_AD27PCI_AD28PCI_AD29PCI_AD30

VD10VD11

VD24VD25

VD28VD29

VD0VD1

VD7VD6

VODAT7VODAT6

VODAT0VODAT1

VD5VD4VD3VD2

VODAT3VODAT4

VODAT5

VODAT2

VD14VD15 VODAT15

VODAT14VODAT11

VODAT10VD10VD11

VD13

VD9VODAT12

VODAT9

VODAT13

VODAT8

VD12

VD8VD16VD17VD20VD21

VODAT16

VODAT20VODAT21

VODAT17

VD18

VD23VD22VD19 VODAT19

VODAT22VODAT23

VODAT18

VD25VD28VD29

VODAT24

VODAT28VODAT29

VODAT25VD24

VD31VD30 VODAT30

VODAT31

VIDEN2VIFLD2VIHS2VIVS2

VICLK2

VIDAT0VIDAT1VIDAT2VIDAT3VIDAT4

VIDAT5VIDAT6VIDAT8VIDAT9

VIDAT12VIDAT13VIDAT14VIDAT7

VIDAT10VIDAT11VIDAT15VIDAT16

VIDAT17VIDAT18VIDAT21VIDAT19

VIDAT20VIDAT23VIDAT24VIDAT25

VIDAT26VIDAT27VIDAT28

VIDAT30VIDAT31

VIDAT59VIDAT58VIDAT57VIDAT56VIDAT55VIDAT54VIDAT53VIDAT52VIDAT51VIDAT50VIDAT49VIDAT48VIDAT47VIDAT46

VIDAT40VIDAT39VIDAT38VIDAT37VIDAT36VIDAT35VIDAT34VIDAT33VIDAT32

VIDAT42

VIDAT45VIDAT44VIDAT43

VIDAT41

VIDAT22VIDAT29

VIVS1VIHS1VIFLD1VIDEN1

VICLK1

/PCI_TRDY/PCI_IRDY/PCI_STOP/PCI_DEVSEL

PCI_PAR

VD39VD38VD35VD34

VODAT35VODAT38

VODAT34

VODAT39

VD41VD42VD45VD46

VODAT45VODAT46

VODAT41VODAT42

VODAT27VODAT26

VD27VD26VD32VD33VD36VD37

VODAT32VODAT33

VODAT37VODAT36

VD40

VD47VD44VD43

VODAT47

VODAT40VODAT43VODAT44

/PCI_FRAME

TEST6

TEST3TEST5

SKU1

SKU0SKU2

TEST2

VOCLK

VOHSVOVSVOACTVOFIELD

/PCI_REQA/PCI_GNTA/PCI_REQB

/FLASH_CS0/FLASH_CS1

/PCI_GNTB

/PCI_PERR/PCI_SERR

PCI_CBE1PCI_CBE2PCI_CBE3

PCI_CLK2PCI_CLK3

CV3P3

DG

ND

CV3P3 VDDA33

VSPRxD/VSPSCLRXDBVSPTxD/VSPSDATXDB

CV

3P3

DG

ND

CG

ND

VS

SA

33

US

B_V

DD

VSSA33

US

B_V

DDD

GN

D

TXDARXDA

CV

3P3

TWI_SDA_0TWI_SCL_0

TWI_SCL_1TWI_SDA_1

RESET

TEST4

DG

ND

PCI_CBE0

CV

3P3

DG

ND

TX

DA

RX

DA

CV

3P3

RESET

DG

ND

DGND

TEST0TEST1TEST7

CV

3P3

DG

ND

CV1P2

DG

ND

DG

ND

DG

ND

CV

2P5

CV

3P3

CV

2P5

CV3P3

TO SD-16:D4PCI_AD[31:0]

TO SD-16:D4PCI_CBE[3:0]

TO SD-19:C3 SYNC SIGNAL INPUT

TO SD-19:C3DIDAT[59:0]

TO SD-19:C3SYNC SIGAL OUTPUT

TO SD-19:C3VODAT[47:0]

TO SD-19:D3I21C&UART

VX-50 VIDEO SIGNAL I/O PART VX-50 FLASH MEMORY I/O PART

VX-50 OSC&PLL PART

VX-50 MPU I/O PART

VX-50 JTAG PART

VX-50 POWER SUPPLY & GROUND PART

R809933

RN802433x4

RN8025

33x4

RN802333x4

RN802633x4

RN802733x4

RN802833x4

RN802933x4

RN802233x4

RN8020 33x4

RN8019 33x4

RN8015 33x4

RN8016 33x4

RN8017 33x4

RN8018 33x4

RN802133x4

RN801433x4

R8006

33

RN8013

33x4

R810710K

U8001:AVX-50

VIDEOPROCESSOR

W1 VICLK1Y2 VICLK2

U5 VICNTL0_VSV3 VICNTL1_HSV4 VICNTL2_FIELD

W2 VICNTL3_DEN

Y4 VICNTL4_VSW5 VICNTL5_HSY1 VICNTL6_FIELDY3 VICNTL7_DEN

B1 VIDAT0C1 VIDAT1C2 VIDAT2D1 VIDAT3D2 VIDAT4E1 VIDAT5E2 VIDAT6F1 VIDAT8F2 VIDAT9F5 VIDAT12G1 VIDAT13G2 VIDAT14E3 VIDAT7F3 VIDAT10F4 VIDAT11G3 VIDAT15G4 VIDAT16G5 VIDAT17G6 VIDAT18H3 VIDAT21H1 VIDAT19H2 VIDAT20J1 VIDAT23J2 VIDAT24J5 VIDAT25J6 VIDAT26K1 VIDAT27K2 VIDAT28H4 VIDAT22K3 VIDAT29

K4 VIDAT30L1 VIDAT31L2 VIDAT32L5 VIDAT33L6 VIDAT34M1 VIDAT35M2 VIDAT36M3 VIDAT37M4 VIDAT38N1 VIDAT39N2 VIDAT40N5 VIDAT41N6 VIDAT42P1 VIDAT43P2 VIDAT44P3 VIDAT45P4 VIDAT46R1 VIDAT47R2 VIDAT48R5 VIDAT49R6 VIDAT50T1 VIDAT51T2 VIDAT52T3 VIDAT53T4 VIDAT54U1 VIDAT55U2 VIDAT56U6 VIDAT57V1 VIDAT58V2 VIDAT59

W25VODAT47

V25VODAT46

V26VODAT45

U23VODAT44

U24VODAT43

U25VODAT42

U26VODAT41

T21VODAT40

T22VODAT39

T24VODAT38

T25VODAT37

T26VODAT36

R23VODAT35

R24VODAT34

R25VODAT33

R26VODAT32

P21VODAT31

P22VODAT30

P25VODAT29

P26VODAT28

N23VODAT27

N24VODAT26

N25VODAT25

N26VODAT24

M21VODAT23

M22VODAT22

M25VODAT21

M26VODAT20

L21VODAT19

L22VODAT18

L23VODAT17

L24VODAT16

L25VODAT15

L26VODAT14

K21VODAT13

K22VODAT12

K25VODAT11

K26VODAT10

J23VODAT9

J24VODAT8

J25VODAT7

J26VODAT6

H21VODAT5

H22VODAT4

H23VODAT3

H24VODAT2

H25VODAT1

H26VODAT0

U22VOFIELD

V22VOACT

W23VOVS

W24VOHS

W26VOCLK

R810610K

AA20 PICLK

AA26 POCLK1AA24 POCLK2AA25 POCLK3

AE13 CBEN0AB17 CBEN1AE23 CBEN2AB21 CBEN3

AC20 FRAMEAF22 PARAA17 TRDYAF23 IRDYAD21 STOPAD22 DEVSELAE26 IDSEL

AE22 PERRAD20 SERR

AC26 REQAAB25 GNTAAB26 REQBAA23 GNTB

AE4 FLASH_CS0AC8 FLASH_CS1

AA22 ARB_EXT

AD26AD31

AA21AD30

AB23AD29

AB24AD28

AC25AD27

AA19AD26

AC24AD25

AD25AD24

AB20AD23

AF25AD22

AE24AD21

AC22AD20

AC21AD19

AF24AD18

AD23AD17

AB19AD16

AC18AD15

AE15AD14

AC14AD13

AF15AD12

AD14AD11

AE14AD10

AF14AD9

AF13AD8

AA13AD7

AF12AD6

AE12AD5

AF11AD4

AD13AD3

AE11AD2

AD12AD1

AF10AD0

RN803033x4

RN8031NM

RN8032NM

RN8033NM

RN8034NM

R81

36

330

R81

41

330

R81

40

330

U80

01:C

VX

-50

A1 VSS1A23 VSS2A26 VSS3E5 VSS4E7 VSS5E9 VSS6

E11 VSS7E13 VSS8E15 VSS9E17 VSS10E19 VSS11F8 VSS12

F16 VSS13F20 VSS14F22 VSS15F24 VSS16F26 VSS17G22 VSS18H6 VSS19J3 VSS20

J21 VSS21K5 VSS22

K10 VSS23K11 VSS24K12 VSS25K13 VSS26K14 VSS27K15 VSS28K16 VSS29K17 VSS30K24 VSS31

L4 VSS32L10 VSS33L11 VSS34L12 VSS35L13 VSS36L14 VSS37L15 VSS38L16 VSS39L17 VSS40M6 VSS41

M10 VSS42M11 VSS43M12 VSS44M13 VSS45M14 VSS46M15 VSS47M16 VSS48M17 VSS49M23 VSS50

N3 VSS51N10 VSS52N11 VSS53N12 VSS54N13 VSS55N14 VSS56N15 VSS57N16 VSS58N17 VSS59N21 VSS60

P5 VSS61P10 VSS62P11 VSS63

AF26VSS127

AF6VSS126

AF5VSS125

AF1VSS124

AE7VSS123

AE6VSS122

AD24VSS121

AD19VSS120

AD15VSS119

AD11VSS118

AD3VSS117

AC17VSS116

AC13VSS115

AC10VSS114

AC9VSS113

AB22VSS112

AB18VSS111

AB14VSS110

AB10VSS109

AB5VSS108

AA16VSS107

AA12VSS106

Y6VSS105

Y5VSS104

W22VSS103

W6VSS102

W4VSS101

V24VSS100

V5VSS99

U17VSS98

U16VSS97

U15VSS96

U14VSS95

U13VSS94

U12VSS93

U11VSS92

U10VSS91

U3VSS90

T17VSS89

T16VSS88

T15VSS87

T14VSS86

T13VSS85

T12VSS84

T11VSS83

T10VSS82

T6VSS81

R22VSS80

R17VSS79

R16VSS78

R15VSS77

R14VSS76

R13VSS75

R12VSS74

R11VSS73

R10VSS72

R4VSS71

P24VSS70

P17VSS69

P16VSS68

P15VSS67

P14VSS66

P13VSS65

P12VSS64

TP

8005

C81

6718

pF

C81

6818

pF

C89

51

104Z

C89

5010

4Z

R8120

0

L80420ohm

C81

74

104Z

R86

153.

3kR

8618

10k

R86

163.

3k

R86

173.

3k

R8446 0R8447 0

R81220

U8001:FVX-50

V21 TWIACLKY25 TWIADAT

U21 TWIBCLKY26 TWIBDAT

Y22 RXDAY21 TXDA

Y23 RXDBY24 TXDB/DATA16

AD10 RESET

AD16USB_VDD

AE19USB_VDDA33C

AA15USB_VDDA33T

AF20USB_VDDA33T

AF19USB_VSSA33T

AC16USB_VSSA33T

AB15USB_VSSA33T

AD18USB_VSSA33C

AE17USB_VSS

AC12USB_DRVVBUS

AE16USB_VBUS

AE21USB_ATEST

AE18USB_REXT

AF16USB_ID

AF18USB_DM

AF17USB_DP

AF21USB_XI

AE20USB_XO

R81

1610

K

R81

18

10K

R81

19

3.3K C

8173

100/

10

C89

5210

/10

L8023BLM21PG221SN1

J5

4321

P8704

8 7 6 5 4 3 2 1DUBUGER

(P8009)

2 GND24 GND46 GND68 nc8

10 TMS12 GND1214 TRST 13nc9

11TVcc

9RST

7nc7

5TCK

3TDO

1TDI

U8001:EAD6 TCKAF4 TDIAD5 TMSAD7 TRST

AB9 TDO R81

97

4.7K

R8198330

R81

21

330

C8924120J

X800227MHz

C8032105Z

R88

0056

0L8

806

LBC

2518

T2R

2M

R88571M

Q8807

TC7WZU04F

5678

VD1234

GND

C8925120J

L8007BK1608LM182

R811047

C81

66

104Z

C81

6510

0/6.

3

C81

72

104Z

C81

7110

0/6.

3

C81

6910

0/6.

3

R8114100

C81

70

104Z

R8115100

C81

6310

0/6.

3

R8112100

R8111100

C81

64

104Z

U8001:GVX-50

AB11 REFCLK

AE8 AVDD_SYS

F12 AVDD_MIC

AF9 AVDD_AUX

AE9 AVDD_AIX AF8AVSS_VID

AE10AVSS_AUX

F13AVSS_MIC

AF7AVSS_SYS

AE5NC3

AD8NC2

AA11NC1

C82

0410

4ZC

8205

104Z

C82

0610

4ZC

8207

104Z

C82

0810

4ZC

8209

104Z

C82

1010

4ZC

8211

104Z

C82

1210

4ZC

8213

104Z

C82

1410

4Z

C82

0310

/10

C82

62

104Z

C82

6310

4Z

C82

6410

4Z

C82

6510

4Z

C82

6610

4Z

C82

6710

4Z

C82

6810

4Z

C82

6910

4ZC

8270

104Z

C82

7110

4ZC

8272

104Z

C82

7310

4Z

C82

6122

0/10

C82

8410

4ZC

8285

104Z

C82

8610

4ZC

8287

104Z

C82

8810

4ZC

8289

104Z

C82

8210

4Z

C82

8310

4Z

C82

4310

4ZC

8244

104Z

C82

4510

4ZC

8246

104Z

C82

4710

4ZC

8248

104Z

C82

4910

4ZC

8250

104Z

C82

5110

4ZC

8252

104Z

C82

4210

/10

C82

2410

4ZC

8225

104Z

C82

2610

4ZC

8227

104Z

C82

2810

4ZC

8229

104Z

C82

3010

4ZC

8231

104Z

C82

3210

4ZC

8233

104Z

C82

2310

/10

TP

8006

TP

8007

VX-50

U80

01:D

VX

-50

H5 VDDIO1J4 VDDIO2

J22 VDDIO3K6 VDDIO4

K23 VDDIO5L3 VDDIO6M5 VDDIO7

M24 VDDIO8N4 VDDIO9N22 VDDIO10P6 VDDIO11

P23 VDDIO12R3 VDDIO13R21 VDDIO14T5 VDDIO15T23 VDDIO16U4 VDDIO17V6 VDDIO18

AE25VDDIO36

AE2VDDIO35

AD17VDDIO34

AD9VDDIO33

AC23VDDIO32

AC19VDDIO31

AC15VDDIO30

AC11VDDIO29

AC4VDDIO28

AB16VDDIO27

AB13VDDIO26

AB12VDDIO25

AA18VDDIO24

AA14VDDIO23

AA10VDDIO22

W21VDDIO21

W3VDDIO20

V23VDDIO19

A2 DDR_VDDIO1B2 DDR_VDDIO2

B23 DDR_VDDIO3B25 DDR_VDDIO4E4 DDR_VDDIO5E6 DDR_VDDIO6E8 DDR_VDDIO7

E10 DDR_VDDIO8E12 DDR_VDDIO9E14 DDR_VDDIO10E16 DDR_VDDIO11

G21DDR_VDDIO21

F25DDR_VDDIO20

F23DDR_VDDIO19

F21DDR_VDDIO18

F19DDR_VDDIO17

F17DDR_VDDIO16

F15DDR_VDDIO15

F11DDR_VDDIO14

F9DDR_VDDIO13

E18DDR_VDDIO12

J9VDD1

J10VDD2

J11VDD3

J12VDD4

J13VDD5

J14VDD6

J15VDD7

J16VDD8

J17VDD9

J18VDD10

K9VDD11

K18VDD12

L9VDD13

L18VDD14

M9VDD15

M18VDD16

N9VDD17

N18VDD18 V18VDD36

V17VDD35

V16VDD34

V15VDD33

V14VDD32

V13VDD31

V12VDD30

V11VDD29

V10VDD28

V9VDD27

U18VDD26

U9VDD25

T18VDD24

T9VDD23

R18VDD22

R9VDD21

P18VDD20

P9VDD19

U42 HDMI PC BOARDNAHDM-9114(1/5)

CV3P3

GPIO14GPIO15GPIO16GPIO17GPIO18GPIO19GPIO20GPIO21GPIO22GPIO23

GPIO12GPIO13GPIO1

GPIO0

GPIO5GPIO6GPIO7GPIO8GPIO9GPIO10GPIO11

GPIO2GPIO3GPIO4

GPIO24

TO SD-16:F4GPIO[24:0]

TO SYS MPU

R81

13

10K

U8001:BVX-50

AB1 GPIO0AA5 GPIO1AB2 GPIO2AA6 GPIO3AB4 GPIO4AB3 GPIO5AA7 GPIO6AC1 GPIO7AC3 GPIO8AC2 GPIO9AD1 GPIO10AB6 GPIO11

AF3GPIO24

AA9GPIO23

AB8GPIO22

AD4GPIO21

AC7GPIO20

AC6GPIO19

AE3GPIO18

AC5GPIO17

AB7GPIO16

AF2GPIO15

AA8GPIO14

AD2GPIO13

AE1GPIO12

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

+3.3V

+3.3V +3.3V

+1.2V

+2.5V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

Page 38: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-15 (SD-15) HDMI SECTION-1

A

1

2

3

4

5

B C D E F G H

VD43VD44VD45VD46VD47

VD12VD13VD14VD15VD16VD17VD18VD19VD20VD21

VD7VD8

VD2VD3VD4VD5

VD22VD23

VD27VD26

VD34VD35

VD37VD38VD39VD40VD41VD42

VD30VD31VD32VD33

VD9

VD36

VD6

PCI_AD31

PCI_AD0PCI_AD1PCI_AD2PCI_AD3PCI_AD4PCI_AD5PCI_AD6PCI_AD7PCI_AD8PCI_AD9PCI_AD10PCI_AD11PCI_AD12PCI_AD13PCI_AD14PCI_AD15PCI_AD16PCI_AD17PCI_AD18PCI_AD19PCI_AD20PCI_AD21PCI_AD22PCI_AD23PCI_AD24PCI_AD25PCI_AD26PCI_AD27PCI_AD28PCI_AD29PCI_AD30

VD10VD11

VD24VD25

VD28VD29

VD0VD1

VD7VD6

VODAT7VODAT6

VODAT0VODAT1

VD5VD4VD3VD2

VODAT3VODAT4

VODAT5

VODAT2

VD14VD15 VODAT15

VODAT14VODAT11

VODAT10VD10VD11

VD13

VD9VODAT12

VODAT9

VODAT13

VODAT8

VD12

VD8VD16VD17VD20VD21

VODAT16

VODAT20VODAT21

VODAT17

VD18

VD23VD22VD19 VODAT19

VODAT22VODAT23

VODAT18

VD25VD28VD29

VODAT24

VODAT28VODAT29

VODAT25VD24

VD31VD30 VODAT30

VODAT31

VIDEN2VIFLD2VIHS2VIVS2

VICLK2

VIDAT0VIDAT1VIDAT2VIDAT3VIDAT4

VIDAT5VIDAT6VIDAT8VIDAT9

VIDAT12VIDAT13VIDAT14VIDAT7

VIDAT10VIDAT11VIDAT15VIDAT16

VIDAT17VIDAT18VIDAT21VIDAT19

VIDAT20VIDAT23VIDAT24VIDAT25

VIDAT26VIDAT27VIDAT28

VIDAT30VIDAT31

VIDAT59VIDAT58VIDAT57VIDAT56VIDAT55VIDAT54VIDAT53VIDAT52VIDAT51VIDAT50VIDAT49VIDAT48VIDAT47VIDAT46

VIDAT40VIDAT39VIDAT38VIDAT37VIDAT36VIDAT35VIDAT34VIDAT33VIDAT32

VIDAT42

VIDAT45VIDAT44VIDAT43

VIDAT41

VIDAT22VIDAT29

VIVS1VIHS1VIFLD1VIDEN1

VICLK1

/PCI_TRDY/PCI_IRDY/PCI_STOP/PCI_DEVSEL

PCI_PAR

VD39VD38VD35VD34

VODAT35VODAT38

VODAT34

VODAT39

VD41VD42VD45VD46

VODAT45VODAT46

VODAT41VODAT42

VODAT27VODAT26

VD27VD26VD32VD33VD36VD37

VODAT32VODAT33

VODAT37VODAT36

VD40

VD47VD44VD43

VODAT47

VODAT40VODAT43VODAT44

/PCI_FRAME

TEST6

TEST3TEST5

SKU1

SKU0SKU2

TEST2

VOCLK

VOHSVOVSVOACTVOFIELD

/PCI_REQA/PCI_GNTA/PCI_REQB

/FLASH_CS0/FLASH_CS1

/PCI_GNTB

/PCI_PERR/PCI_SERR

PCI_CBE1PCI_CBE2PCI_CBE3

PCI_CLK2PCI_CLK3

CV3P3

DG

ND

CV3P3 VDDA33

VSPRxD/VSPSCLRXDBVSPTxD/VSPSDATXDB

CV

3P3

DG

ND

CG

ND

VS

SA

33

US

B_V

DD

VSSA33

US

B_V

DDD

GN

D

TXDARXDA

CV

3P3

TWI_SDA_0TWI_SCL_0

TWI_SCL_1TWI_SDA_1

RESET

TEST4

DG

ND

PCI_CBE0

CV

3P3

DG

ND

TX

DA

RX

DA

CV

3P3

RESET

DG

ND

DGND

TEST0TEST1TEST7

CV

3P3

DG

ND

CV1P2

DG

ND

DG

ND

DG

ND

CV

2P5

CV

3P3

CV

2P5

CV3P3

TO SD-16:D4PCI_AD[31:0]

TO SD-16:D4PCI_CBE[3:0]

TO SD-19:C3 SYNC SIGNAL INPUT

TO SD-19:C3DIDAT[59:0]

TO SD-19:C3SYNC SIGAL OUTPUT

TO SD-19:C3VODAT[47:0]

TO SD-19:D3I21C&UART

VX-50 VIDEO SIGNAL I/O PART VX-50 FLASH MEMORY I/O PART

VX-50 OSC&PLL PART

VX-50 MPU I/O PART

VX-50 JTAG PART

VX-50 POWER SUPPLY & GROUND PART

R809933

RN802433x4

RN8025

33x4

RN802333x4

RN802633x4

RN802733x4

RN802833x4

RN802933x4

RN802233x4

RN8020 33x4

RN8019 33x4

RN8015 33x4

RN8016 33x4

RN8017 33x4

RN8018 33x4

RN802133x4

RN801433x4

R8006

33

RN8013

33x4

R810710K

U8001:AVX-50

VIDEOPROCESSOR

W1 VICLK1Y2 VICLK2

U5 VICNTL0_VSV3 VICNTL1_HSV4 VICNTL2_FIELD

W2 VICNTL3_DEN

Y4 VICNTL4_VSW5 VICNTL5_HSY1 VICNTL6_FIELDY3 VICNTL7_DEN

B1 VIDAT0C1 VIDAT1C2 VIDAT2D1 VIDAT3D2 VIDAT4E1 VIDAT5E2 VIDAT6F1 VIDAT8F2 VIDAT9F5 VIDAT12G1 VIDAT13G2 VIDAT14E3 VIDAT7F3 VIDAT10F4 VIDAT11G3 VIDAT15G4 VIDAT16G5 VIDAT17G6 VIDAT18H3 VIDAT21H1 VIDAT19H2 VIDAT20J1 VIDAT23J2 VIDAT24J5 VIDAT25J6 VIDAT26K1 VIDAT27K2 VIDAT28H4 VIDAT22K3 VIDAT29

K4 VIDAT30L1 VIDAT31L2 VIDAT32L5 VIDAT33L6 VIDAT34M1 VIDAT35M2 VIDAT36M3 VIDAT37M4 VIDAT38N1 VIDAT39N2 VIDAT40N5 VIDAT41N6 VIDAT42P1 VIDAT43P2 VIDAT44P3 VIDAT45P4 VIDAT46R1 VIDAT47R2 VIDAT48R5 VIDAT49R6 VIDAT50T1 VIDAT51T2 VIDAT52T3 VIDAT53T4 VIDAT54U1 VIDAT55U2 VIDAT56U6 VIDAT57V1 VIDAT58V2 VIDAT59

W25VODAT47

V25VODAT46

V26VODAT45

U23VODAT44

U24VODAT43

U25VODAT42

U26VODAT41

T21VODAT40

T22VODAT39

T24VODAT38

T25VODAT37

T26VODAT36

R23VODAT35

R24VODAT34

R25VODAT33

R26VODAT32

P21VODAT31

P22VODAT30

P25VODAT29

P26VODAT28

N23VODAT27

N24VODAT26

N25VODAT25

N26VODAT24

M21VODAT23

M22VODAT22

M25VODAT21

M26VODAT20

L21VODAT19

L22VODAT18

L23VODAT17

L24VODAT16

L25VODAT15

L26VODAT14

K21VODAT13

K22VODAT12

K25VODAT11

K26VODAT10

J23VODAT9

J24VODAT8

J25VODAT7

J26VODAT6

H21VODAT5

H22VODAT4

H23VODAT3

H24VODAT2

H25VODAT1

H26VODAT0

U22VOFIELD

V22VOACT

W23VOVS

W24VOHS

W26VOCLK

R810610K

AA20 PICLK

AA26 POCLK1AA24 POCLK2AA25 POCLK3

AE13 CBEN0AB17 CBEN1AE23 CBEN2AB21 CBEN3

AC20 FRAMEAF22 PARAA17 TRDYAF23 IRDYAD21 STOPAD22 DEVSELAE26 IDSEL

AE22 PERRAD20 SERR

AC26 REQAAB25 GNTAAB26 REQBAA23 GNTB

AE4 FLASH_CS0AC8 FLASH_CS1

AA22 ARB_EXT

AD26AD31

AA21AD30

AB23AD29

AB24AD28

AC25AD27

AA19AD26

AC24AD25

AD25AD24

AB20AD23

AF25AD22

AE24AD21

AC22AD20

AC21AD19

AF24AD18

AD23AD17

AB19AD16

AC18AD15

AE15AD14

AC14AD13

AF15AD12

AD14AD11

AE14AD10

AF14AD9

AF13AD8

AA13AD7

AF12AD6

AE12AD5

AF11AD4

AD13AD3

AE11AD2

AD12AD1

AF10AD0

RN803033x4

RN8031NM

RN8032NM

RN8033NM

RN8034NM

R81

36

330

R81

41

330

R81

40

330

U80

01:C

VX

-50

A1 VSS1A23 VSS2A26 VSS3E5 VSS4E7 VSS5E9 VSS6

E11 VSS7E13 VSS8E15 VSS9E17 VSS10E19 VSS11F8 VSS12

F16 VSS13F20 VSS14F22 VSS15F24 VSS16F26 VSS17G22 VSS18H6 VSS19J3 VSS20

J21 VSS21K5 VSS22

K10 VSS23K11 VSS24K12 VSS25K13 VSS26K14 VSS27K15 VSS28K16 VSS29K17 VSS30K24 VSS31

L4 VSS32L10 VSS33L11 VSS34L12 VSS35L13 VSS36L14 VSS37L15 VSS38L16 VSS39L17 VSS40M6 VSS41

M10 VSS42M11 VSS43M12 VSS44M13 VSS45M14 VSS46M15 VSS47M16 VSS48M17 VSS49M23 VSS50

N3 VSS51N10 VSS52N11 VSS53N12 VSS54N13 VSS55N14 VSS56N15 VSS57N16 VSS58N17 VSS59N21 VSS60

P5 VSS61P10 VSS62P11 VSS63

AF26VSS127

AF6VSS126

AF5VSS125

AF1VSS124

AE7VSS123

AE6VSS122

AD24VSS121

AD19VSS120

AD15VSS119

AD11VSS118

AD3VSS117

AC17VSS116

AC13VSS115

AC10VSS114

AC9VSS113

AB22VSS112

AB18VSS111

AB14VSS110

AB10VSS109

AB5VSS108

AA16VSS107

AA12VSS106

Y6VSS105

Y5VSS104

W22VSS103

W6VSS102

W4VSS101

V24VSS100

V5VSS99

U17VSS98

U16VSS97

U15VSS96

U14VSS95

U13VSS94

U12VSS93

U11VSS92

U10VSS91

U3VSS90

T17VSS89

T16VSS88

T15VSS87

T14VSS86

T13VSS85

T12VSS84

T11VSS83

T10VSS82

T6VSS81

R22VSS80

R17VSS79

R16VSS78

R15VSS77

R14VSS76

R13VSS75

R12VSS74

R11VSS73

R10VSS72

R4VSS71

P24VSS70

P17VSS69

P16VSS68

P15VSS67

P14VSS66

P13VSS65

P12VSS64

TP

8005

C81

6718

pF

C81

6818

pF

C89

51

104Z

C89

5010

4Z

R8120

0

L80420ohm

C81

74

104Z

R86

153.

3kR

8618

10k

R86

163.

3k

R86

173.

3k

R8446 0R8447 0

R81220

U8001:FVX-50

V21 TWIACLKY25 TWIADAT

U21 TWIBCLKY26 TWIBDAT

Y22 RXDAY21 TXDA

Y23 RXDBY24 TXDB/DATA16

AD10 RESET

AD16USB_VDD

AE19USB_VDDA33C

AA15USB_VDDA33T

AF20USB_VDDA33T

AF19USB_VSSA33T

AC16USB_VSSA33T

AB15USB_VSSA33T

AD18USB_VSSA33C

AE17USB_VSS

AC12USB_DRVVBUS

AE16USB_VBUS

AE21USB_ATEST

AE18USB_REXT

AF16USB_ID

AF18USB_DM

AF17USB_DP

AF21USB_XI

AE20USB_XO

R81

1610

K

R81

18

10K

R81

19

3.3K C

8173

100/

10

C89

5210

/10

L8023BLM21PG221SN1

J5

4321

P8704

8 7 6 5 4 3 2 1

DUBUGER

(P8009)

2 GND24 GND46 GND68 nc8

10 TMS12 GND1214 TRST 13nc9

11TVcc

9RST

7nc7

5TCK

3TDO

1TDI

U8001:EAD6 TCKAF4 TDIAD5 TMSAD7 TRST

AB9 TDO R81

97

4.7K

R8198330

R81

21

330

C8924120J

X800227MHz

C8032105Z

R88

0056

0L8

806

LBC

2518

T2R

2M

R88571M

Q8807

TC7WZU04F

5678

VD1234

GND

C8925120J

L8007BK1608LM182

R811047

C81

66

104Z

C81

6510

0/6.

3

C81

72

104Z

C81

7110

0/6.

3

C81

6910

0/6.

3

R8114100

C81

70

104Z

R8115100

C81

6310

0/6.

3

R8112100

R8111100

C81

64

104Z

U8001:GVX-50

AB11 REFCLK

AE8 AVDD_SYS

F12 AVDD_MIC

AF9 AVDD_AUX

AE9 AVDD_AIX AF8AVSS_VID

AE10AVSS_AUX

F13AVSS_MIC

AF7AVSS_SYS

AE5NC3

AD8NC2

AA11NC1

C82

0410

4ZC

8205

104Z

C82

0610

4ZC

8207

104Z

C82

0810

4ZC

8209

104Z

C82

1010

4ZC

8211

104Z

C82

1210

4ZC

8213

104Z

C82

1410

4Z

C82

0310

/10

C82

62

104Z

C82

6310

4Z

C82

6410

4Z

C82

6510

4Z

C82

6610

4Z

C82

6710

4Z

C82

6810

4Z

C82

6910

4ZC

8270

104Z

C82

7110

4ZC

8272

104Z

C82

7310

4Z

C82

6122

0/10

C82

8410

4ZC

8285

104Z

C82

8610

4ZC

8287

104Z

C82

8810

4ZC

8289

104Z

C82

8210

4Z

C82

8310

4Z

C82

4310

4ZC

8244

104Z

C82

4510

4ZC

8246

104Z

C82

4710

4ZC

8248

104Z

C82

4910

4ZC

8250

104Z

C82

5110

4ZC

8252

104Z

C82

4210

/10

C82

2410

4ZC

8225

104Z

C82

2610

4ZC

8227

104Z

C82

2810

4ZC

8229

104Z

C82

3010

4ZC

8231

104Z

C82

3210

4ZC

8233

104Z

C82

2310

/10

TP

8006

TP

8007

VX-50

U80

01:D

VX

-50

H5 VDDIO1J4 VDDIO2

J22 VDDIO3K6 VDDIO4

K23 VDDIO5L3 VDDIO6M5 VDDIO7

M24 VDDIO8N4 VDDIO9N22 VDDIO10P6 VDDIO11

P23 VDDIO12R3 VDDIO13R21 VDDIO14T5 VDDIO15T23 VDDIO16U4 VDDIO17V6 VDDIO18

AE25VDDIO36

AE2VDDIO35

AD17VDDIO34

AD9VDDIO33

AC23VDDIO32

AC19VDDIO31

AC15VDDIO30

AC11VDDIO29

AC4VDDIO28

AB16VDDIO27

AB13VDDIO26

AB12VDDIO25

AA18VDDIO24

AA14VDDIO23

AA10VDDIO22

W21VDDIO21

W3VDDIO20

V23VDDIO19

A2 DDR_VDDIO1B2 DDR_VDDIO2

B23 DDR_VDDIO3B25 DDR_VDDIO4E4 DDR_VDDIO5E6 DDR_VDDIO6E8 DDR_VDDIO7

E10 DDR_VDDIO8E12 DDR_VDDIO9E14 DDR_VDDIO10E16 DDR_VDDIO11

G21DDR_VDDIO21

F25DDR_VDDIO20

F23DDR_VDDIO19

F21DDR_VDDIO18

F19DDR_VDDIO17

F17DDR_VDDIO16

F15DDR_VDDIO15

F11DDR_VDDIO14

F9DDR_VDDIO13

E18DDR_VDDIO12

J9VDD1

J10VDD2

J11VDD3

J12VDD4

J13VDD5

J14VDD6

J15VDD7

J16VDD8

J17VDD9

J18VDD10

K9VDD11

K18VDD12

L9VDD13

L18VDD14

M9VDD15

M18VDD16

N9VDD17

N18VDD18 V18VDD36

V17VDD35

V16VDD34

V15VDD33

V14VDD32

V13VDD31

V12VDD30

V11VDD29

V10VDD28

V9VDD27

U18VDD26

U9VDD25

T18VDD24

T9VDD23

R18VDD22

R9VDD21

P18VDD20

P9VDD19

U42 HDMI PC BOARDNAHDM-9114(1/5)

CV3P3

GPIO14GPIO15GPIO16GPIO17GPIO18GPIO19GPIO20GPIO21GPIO22GPIO23

GPIO12GPIO13GPIO1

GPIO0

GPIO5GPIO6GPIO7GPIO8GPIO9GPIO10GPIO11

GPIO2GPIO3GPIO4

GPIO24

TO SD-16:F4GPIO[24:0]

TO SYS MPU

R81

13

10K

U8001:BVX-50

AB1 GPIO0AA5 GPIO1AB2 GPIO2AA6 GPIO3AB4 GPIO4AB3 GPIO5AA7 GPIO6AC1 GPIO7AC3 GPIO8AC2 GPIO9AD1 GPIO10AB6 GPIO11

AF3GPIO24

AA9GPIO23

AB8GPIO22

AD4GPIO21

AC7GPIO20

AC6GPIO19

AE3GPIO18

AC5GPIO17

AB7GPIO16

AF2GPIO15

AA8GPIO14

AD2GPIO13

AE1GPIO12

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

+3.3V

+3.3V +3.3V

+1.2V

+2.5V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

Page 39: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-16 (SD-16) HDMI SECTION-2

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

MAD12MAD11MAD10MAD9MAD8MAD7MAD6MAD5MAD4MAD3MAD2MAD1MAD0

MAD12MAD11MAD10MAD9MAD8MAD7MAD6MAD5MAD4MAD3MAD2MAD1MAD0

MAD12MAD11MAD10MAD9MAD8MAD7MAD6MAD5MAD4MAD3MAD2MAD1MAD0MDQS3

MDQS1

MDQ24MDQ25MDQ26MDQ27

MDQ28MDQ29MDQ30MDQ31

MDQ8MDQ9MDQ10MDQ11

MDQ12MDQ13MDQ14MDQ15

MDQS7MDQS5

MDQ56MDQ57MDQ58MDQ59

MDQ60MDQ61MDQ62MDQ63

MDQ40MDQ41MDQ42MDQ43

MDQ44MDQ45MDQ46

MDQS4MDQS6

MDQ36MDQ37MDQ38MDQ39

MDQ32MDQ33MDQ34MDQ35MDQ52MDQ53MDQ54MDQ55

MDQ49MDQ50MDQ51

MDQ7MDQ6MDQ5MDQ4MDQ0MDQ1MDQ2MDQ3MDQ20MDQ21MDQ22MDQ23MDQ19MDQ18MDQ17

MDQS0MDQS2

CLK/CLK

CLKE

/RAS/CAS/WE

AD0AD1AD2AD3

AD5AD6AD7AD8AD9AD10AD11AD12AD13

BA0BA1

ODT

DQ61DQ62DQ63

DQS0DQS1DQS2DQS3DQS4DQS5DQS6DQS7

DQ0DQ1DQ2DQ3DQ4DQ5DQ6

DQ19DQ20DQ21DQ22DQ23DQ24DQ25DQ26DQ27DQ28DQ29DQ30DQ31DQ32DQ33DQ34DQ35DQ36DQ37DQ38DQ39DQ40DQ41DQ42DQ43DQ44DQ45DQ46DQ47DQ48DQ49DQ50DQ51DQ52DQ53DQ54DQ55DQ56DQ57DQ58DQ59DQ60

DQ7DQ8DQ9DQ10DQ11DQ12DQ13DQ14DQ15DQ16DQ17DQ18

/CS

AD4

AD1AD2AD3

AD0

AD10

AD5AD4

AD7AD6

AD8AD9

AD11AD12AD13

BA1BA0

ODT MDQ38MDQ39MDQ48MDQ49

MDQ50MDQ51

MDQ36MDQ37

DM6DQS6DQ51DQ50

DQ49DQ48DQ39DQ38

DQ37DQ36DM4DQS4 MDQS4

MDM4

MDM6MDQS6

MDQ8MDQ9

MDQ10MDQ11DQ11

DQ10DQ9DQ8

MDQ52MDQ53MDQ54MDQ55DQ55

DQ54DQ53DQ52

MDQ63

MDQ0MDQ1MDQ2MDQ3

MDQ40MDQ41MDQ42MDQ43

MDQ4MDQ5MDQ6MDQ7

MDQ8MDQ9MDQ10MDQ11MDQ12MDQ13MDQ14MDQ15

MDQ16MDQ17MDQ18MDQ19MDQ20MDQ21MDQ22MDQ23

MDQ24MDQ25MDQ26MDQ27MDQ28MDQ29MDQ30MDQ31

MDQ32MDQ33MDQ34MDQ35MDQ36MDQ37MDQ38MDQ39

MDQ44MDQ45MDQ46MDQ47

MDQ48MDQ49MDQ50MDQ51MDQ52MDQ53MDQ54MDQ55

MDQ56MDQ57MDQ58MDQ59MDQ60MDQ61MDQ62

/MWE/MCS

MAD2MAD3

MAD1MAD0

MAD10

MAD5MAD4

MAD7MAD6

MAD8MAD9

MAD11MAD12MAD13

MBA0MBA1

MODT

MCLK/MCLKMCLKE

MDQ0

MDQS2

MDM0

MDM2

MDQS0

DQ7DQ16DQ17

DQ6

DQ18DQ19DQS2DM2

DQ20DQ21DQ22DQ23

MDQ6MDQ7

MDQ16MDQ17

MDQ18MDQ19

MDQ20MDQ21MDQ22MDQ23

DQS0DM0DQ4DQ5

MDQ4MDQ5

DQ0DQ1DQ2DQ3

MDQ1MDQ2MDQ3

MDQ32MDQ33MDQ34MDQ35DQ35

DQ34DQ33DQ32

DQ58

MDQ12MDQ13

MDQ14MDQ15MDQ24MDQ25

MDQ26MDQ27

MDQ61MDQ60

MDQ59MDQ58

MDQ57MDQ56MDQ47MDQ46

MDQ45MDQ44

MDQ43MDQ42MDQ41MDQ40

MDQ31MDQ30MDQ29MDQ28

MDQ62MDQ63

DQ62DQ61DQ60

DM7DQS7DQ59

DQ57DQ56DQ47DQ46

DQ45DQ44DM5DQS5

DQ43DQ42DQ41DQ40

DM3DQS3DQ27DQ26

DQ25DQ24DQ15DQ14

DQ31DQ30DQ29DQ28

DQ63

MDQS1MDM1

MDM3

MDM5MDQS5

MDQS3

MDQS7MDM7

DQ13DQ12DM1DQS1

CV

2P5

VR

EF

_V

DGND

MCLK

/MCLK

VT

T

VTT

DD

RV

2P5

DGND

VTT

VTT

VTT

VTT

DG

ND

DG

ND

DG

ND

DG

ND

PCI_AD31PCI_AD30PCI_AD29PCI_AD28PCI_AD27PCI_AD26PCI_AD25

Flash_AD23Flash_AD22Flash_AD21Flash_AD20Flash_AD19Flash_AD18Flash_AD17Flash_AD16Flash_AD15Flash_AD14Flash_AD13Flash_AD12Flash_AD11Flash_AD10Flash_AD9Flash_AD8Flash_AD7Flash_AD6Flash_AD5Flash_AD4Flash_AD3Flash_AD2Flash_AD1Flash_AD0Flash_AD-1

FLASH_AD19FLASH_AD18FLASH_AD17FLASH_AD16FLASH_AD15FLASH_AD14FLASH_AD13FLASH_AD12FLASH_AD11FLASH_AD10FLASH_AD9FLASH_AD8FLASH_AD7FLASH_AD6FLASH_AD5FLASH_AD4FLASH_AD3FLASH_AD2FLASH_AD1FLASH_AD0

FLASH_AD22FLASH_AD21FLASH_AD20

PCI_AD23PCI_AD22PCI_AD21PCI_AD20PCI_AD19PCI_AD18PCI_AD17PCI_AD16PCI_AD15PCI_AD14PCI_AD13PCI_AD12PCI_AD11PCI_AD10PCI_AD9PCI_AD8PCI_AD7PCI_AD6PCI_AD5PCI_AD4PCI_AD3PCI_AD2PCI_AD1PCI_AD0

DG

ND

FLASH_AD23

FLASH_AD-1GPIO23

CV

3P3

PCI_CBE1PCI_CBE3

/FLASH_CS0

/PCI_REQB

/FLASH_CS1

/PCI_REQA

CV

3P3

/PCI_STOP/PCI_SERR/PCI_PERR

/PCI_IRDY/PCI_TRDY/PCI_DEVSEL

/PCI_FRAME

PV3P3

PV

3P3

PCI_AD24

GPIO22GPIO21GPIO20GPIO19GPIO18GPIO17GPIO16

GPIO8GPIO9

GPIO10GPIO11GPIO12GPIO13GPIO14GPIO15

PV

3P3

/MRAS/MCAS

MAD0MAD1MAD2MAD3MAD4MAD5MAD6MAD7MAD8MAD9MAD10MAD11MAD12

MDM2MDM0

MBA1MBA0

MCLKE/MCLKMCLK

/MCS/MWE/MRAS/MCAS

MDM3MDM1

MCLKE/MCLKMCLK

/MCS/MWE/MRAS/MCAS

MBA0MBA1

MAD13

MDQ16

MAD13

MDM7MDM5

MCLKE/MCLKMCLK

/MCS/MWE/MRAS/MCAS

MBA0MBA1

MDM4MDM6

MCLKE/MCLKMCLK

/MCS/MWE/MRAS/MCAS

MBA0MBA1

MAD13

MDQ47

MAD13

MDQ48 VT

T

RESET

CV

3P3

DM0DM1DM2DM3DM4DM5DM6DM7

MAD0MAD1MAD2

MAD3MAD4MAD5MAD6

MAD7MAD8MAD9MAD10

MAD11MAD12MCLKE

MBA0MBA1/MRAS/MCS

/MWE/MCASMAD13MODT

MDQS1MDQS2MDQS3

MDQS7MDQS6MDQS5MDQS4

MDQS0

MDM5MDM6MDM7

MDM4

MDM0MDM1MDM2MDM3

MDQS[7:0]

MDM[7:0]

MDQ[63:0]

MAD[13:0]

FLASH_AD[23:0]

TO

SD

-15:

D2

PC

I_C

BE

[3:0

]

TO SD-15:E1 GPIO[24:0]T

O S

D-1

5:E

2 P

CI_

AD

[0:2

3]

U80

27

256

Mbi

t SD

RA

MH

Y5D

U56

1622

ET

P-4

-C

U80

28

256

Mbi

t SD

RA

MH

Y5D

U56

1622

ET

P-4

-C

29 A030 A131 A232 A335 A436 A537 A638 A739 A840 A928 AP/A1041 A1142 A12/NC26 BA027 BA1

20 LDM47 UDM

22 /CAS23 /RAS21 /WE24 /CS

45 CK46 /CK44 CKE

49 VREF

34V

SS

48V

SS

66V

SS

6V

SS

Q12

VS

SQ

52V

SS

Q58

VS

SQ

64V

SS

Q

53NC

50NC

43NC

25NC

19NC

17NC

14NC

65DQ15

63DQ14

62DQ13

60DQ12

59DQ11

57DQ10

56DQ9

54DQ8

13DQ7

11DQ6

10DQ5

8DQ4

7DQ3

5DQ2

4DQ1

2DQ0

51UDQS

16LDQS

61V

DD

Q

55V

DD

Q

15V

DD

Q

9V

DD

Q

3V

DD

Q

33V

DD

18V

DD

1V

DD

29 A030 A131 A232 A335 A436 A537 A638 A739 A840 A928 AP/A1041 A1142 A12/NC26 BA027 BA1

20 LDM47 UDM

22 /CAS23 /RAS21 /WE24 /CS

45 CK46 /CK44 CKE

49 VREF

34V

SS

48V

SS

66V

SS

6V

SS

Q12

VS

SQ

52V

SS

Q58

VS

SQ

64V

SS

Q

53NC

50NC

43NC

25NC

19NC

17NC

14NC

65DQ15

63DQ14

62DQ13

60DQ12

59DQ11

57DQ10

56DQ9

54DQ8

13DQ7

11DQ6

10DQ5

8DQ4

7DQ3

5DQ2

4DQ1

2DQ0

51UDQS

16LDQS

61V

DD

Q

55V

DD

Q

15V

DD

Q

9V

DD

Q

3V

DD

Q

33V

DD

18V

DD

1V

DD

29 A030 A131 A232 A335 A436 A537 A638 A739 A840 A928 AP/A1041 A1142 A12/NC26 BA027 BA1

20 LDM47 UDM

22 /CAS23 /RAS21 /WE24 /CS

45 CK46 /CK44 CKE

49 VREF

34V

SS

48V

SS

66V

SS

6V

SS

Q12

VS

SQ

52V

SS

Q58

VS

SQ

64V

SS

Q

53NC

50NC

43NC

25NC

19NC

17NC

14NC

65DQ15

63DQ14

62DQ13

60DQ12

59DQ11

57DQ10

56DQ9

54DQ8

13DQ7

11DQ6

10DQ5

8DQ4

7DQ3

5DQ2

4DQ1

2DQ0

51UDQS

16LDQS

61V

DD

Q

55V

DD

Q

15V

DD

Q

9V

DD

Q

3V

DD

Q

33V

DD

18V

DD

1V

DD

29 A030 A131 A232 A335 A436 A537 A638 A739 A840 A928 AP/A1041 A1142 A12/NC26 BA027 BA1

20 LDM47 UDM

22 /CAS23 /RAS21 /WE24 /CS

45 CK46 /CK44 CKE

49 VREF

34V

SS

48V

SS

66V

SS

6V

SS

Q12

VS

SQ

52V

SS

Q58

VS

SQ

64V

SS

Q

53NC

50NC

43NC

25NC

19NC

17NC

14NC

65DQ15

63DQ14

62DQ13

60DQ12

59DQ11

57DQ10

56DQ9

54DQ8

13DQ7

11DQ6

10DQ5

8DQ4

7DQ3

5DQ2

4DQ1

2DQ0

51UDQS

16LDQS

61V

DD

Q

55V

DD

Q

15V

DD

Q

9V

DD

Q

3V

DD

Q

33V

DD

18V

DD

1V

DD

C81

7610

4Z

C81

7510

4Z

R81

24

10K

R81

2510

K

U8001VX-50

B5 MDQS0D5 MDQS1

B10 MDQS2D10 MDQS3B15 MDQS4D15 MDQS5B20 MDQS6D20 MDQS7

B3 MDQ0A3 MDQ1B4 MDQ2A4 MDQ3B6 MDQ4A6 MDQ5B7 MDQ6A7 MDQ7D3 MDQ8C3 MDQ9D4 MDQ10C4 MDQ11D6 MDQ12C6 MDQ13D7 MDQ14C7 MDQ15B8 MDQ16A8 MDQ17B9 MDQ18A9 MDQ19

B11 MDQ20A11 MDQ21B12 MDQ22A12 MDQ23D8 MDQ24C8 MDQ25D9 MDQ26C9 MDQ27

D11 MDQ28C11 MDQ29D12 MDQ30C12 MDQ31B13 MDQ32A13 MDQ33B14 MDQ34A14 MDQ35B16 MDQ36A16 MDQ37B17 MDQ38A17 MDQ39D13 MDQ40C13 MDQ41D14 MDQ42C14 MDQ43D16 MDQ44C16 MDQ45D17 MDQ46C17 MDQ47B18 MDQ48A18 MDQ49B19 MDQ50A19 MDQ51B21 MDQ52A21 MDQ53B22 MDQ54A22 MDQ55D18 MDQ56C18 MDQ57D19 MDQ58C19 MDQ59D21 MDQ60C21 MDQ61D22 MDQ62C22 MDQ63

F7MVREF4

F10MVREF3

F14MVREF2

F18MVREF1

A25MODT

C23MBA1

D24MBA0

E20MAD13

B24MAD12

C24MAD11

C25MAD10

E24MAD9

D23MAD8

D25MAD7

E25MAD6

G23MAD5

G25MAD4

G26MAD3

G24MAD2

E26MAD1

D26MAD0

C20MDM7

A20MDM6

C15MDM5

A15MDM4

C10MDM3

A10MDM2

C5MDM1

A5MDM0

E23MCS

A24MWE

E22MCAS

E21MRAS

F6MCLKE

C26MCLK

B26MCLK

R8123RM7LJ000X04

RN803933X4

RN8048

33X4

RN8053

33X4

RN804533X4

RN807868x4

RN806268x4

RN806468x4

RN806668x4

RN806868x4

RN807068x4

RN807168x4

RN807368x4

RN807568x4

RN807668x4

RN807768x4

RN808068x4

RN808168x4

RN808268x4

RN808368x4

RN807968x4

RN8038

33X4

RN8043

33X4

RN8052

33X4

RN8041

33X4

RN8037

33X4

RN8050

33X4

RN8049

33X4

RN8059

33X4

RN8061

33X4

RN8060

33X4

RN8058

33X4

RN8057

33X4

RN8056

33X4

RN8055

33X4

RN805433X4

RN8051

33X4

RN870668x4

RN870568x4

RN870468x4

RN870368x4

R81

2627

0

R81

28

75

R81

30

75

R88

92

100K

R88

9110

0K

C89

22

104Z

C89

23

104Z

C89

20

104Z

R889310KR

8890

0

C89

19

47/1

0

C89

21

220/

10

U8067

LP2996MX

5 VDDQ6 AVIN7 PVIN2 SD 1GND

8VTT

3VSENS

4VREF

C82

9010

4ZC

8291

104Z

C82

9210

4ZC

8293

104Z

C82

9410

4ZC

8295

104Z

C81

8110

4ZC

8182

104Z

C81

8310

4ZC

8184

104Z

C81

8510

4ZC

8186

104Z

C81

8710

4ZC

8188

104Z

C81

8910

4Z

C81

9010

4ZC

8191

104Z

C81

9410

4Z

C81

9210

4ZC

8193

104Z

C81

9510

4ZC

8196

104Z

C81

9710

4ZC

8198

104Z

C81

9910

4ZC

8200

104Z

C82

0110

4ZC

8202

104Z

U80

3112

8 M

bit F

lash

Mem

ory

S29

GL1

28N

10T

F02

51 DQ15/A-131 A026 A125 A224 A323 A422 A521 A620 A710 A89 A98 A107 A116 A125 A134 A143 A15

54 A1619 A1718 A18 16WP/ACC11 A1912 A20 53/BYTE15 A212 A221 A23

56 NC55 NC

32 CE34 OE13 WE

14 RESET

33G

ND

52G

ND

17RY/BY

30NC

28NC

27NC

49DQ14

47DQ13

45DQ12

42DQ11

40DQ10

38DQ9

36DQ8

50DQ7

48DQ6

46DQ5

44DQ4

41DQ3

39DQ2

37DQ1

35DQ0

29V

IO

43V

CC

R8251

10KR

8150

10K

R81

4910

K

R8147

10K

R81680

R815110K

RN80890X4

RN80910X4

RN80930X4

RN80950X4

RN80970X4

RN80990X4

R8154

0

RN

8087

10kX

4

RN

8088

10kX

4

R81

57

10K

R81

58

10K

C81

5010

4Z

C81

4910

4Z

TP

815

87654321

RN8063 47x4

RN8065 47x4

RN8067 47x4

RN8069 47x4

RN8072 47x4

RN8074 47x4

U80

29

256

Mbi

t SD

RA

MH

Y5D

U56

1622

ET

P-4

-C

U80

30

256

Mbi

t SD

RA

MH

Y5D

U56

1622

ET

P-4

-C

U42 HDMI PC BOARDNAHDM-9114(2/5)

DG

ND

DDRV2P5

DG

ND

DG

ND

DG

ND

C82

1610

4ZC

8217

104Z

C82

1810

4ZC

8219

104Z

C82

2010

4ZC

8221

104Z

C82

2210

4Z

C82

1510

/10

C82

8110

4Z

C82

8010

4Z

C82

7910

4Z

C82

7810

4Z

C82

7710

4Z

C82

7610

4Z

C82

7510

4Z

C82

74

10/1

6

C82

6010

4Z

C82

5910

4Z

C82

5810

4Z

C82

5710

4Z

C82

5610

4Z

C82

5510

4Z

C82

5410

4Z

C82

53

10/1

0

C82

3510

4ZC

8236

104Z

C82

3710

4ZC

8238

104Z

C82

3910

4ZC

8240

104Z

C82

4110

4Z

C82

3410

/10

DD

RV

2P5

C81

78

104Z

C81

79

104Z

C81

7710

4ZC

8180

104Z

R81

27

10K

R81

29

10K

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

+2.

5V

+2.5V

+2.5V

+2.5V

+2.5V

+3.3V

+3.3V

+3.3V

Page 40: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-16 (SD-16) HDMI SECTION-2

A

1

2

3

4

5

B C D E F G H

MAD12MAD11MAD10MAD9MAD8MAD7MAD6MAD5MAD4MAD3MAD2MAD1MAD0

MAD12MAD11MAD10MAD9MAD8MAD7MAD6MAD5MAD4MAD3MAD2MAD1MAD0

MAD12MAD11MAD10MAD9MAD8MAD7MAD6MAD5MAD4MAD3MAD2MAD1MAD0MDQS3

MDQS1

MDQ24MDQ25MDQ26MDQ27

MDQ28MDQ29MDQ30MDQ31

MDQ8MDQ9MDQ10MDQ11

MDQ12MDQ13MDQ14MDQ15

MDQS7MDQS5

MDQ56MDQ57MDQ58MDQ59

MDQ60MDQ61MDQ62MDQ63

MDQ40MDQ41MDQ42MDQ43

MDQ44MDQ45MDQ46

MDQS4MDQS6

MDQ36MDQ37MDQ38MDQ39

MDQ32MDQ33MDQ34MDQ35MDQ52MDQ53MDQ54MDQ55

MDQ49MDQ50MDQ51

MDQ7MDQ6MDQ5MDQ4MDQ0MDQ1MDQ2MDQ3MDQ20MDQ21MDQ22MDQ23MDQ19MDQ18MDQ17

MDQS0MDQS2

CLK/CLK

CLKE

/RAS/CAS/WE

AD0AD1AD2AD3

AD5AD6AD7AD8AD9AD10AD11AD12AD13

BA0BA1

ODT

DQ61DQ62DQ63

DQS0DQS1DQS2DQS3DQS4DQS5DQS6DQS7

DQ0DQ1DQ2DQ3DQ4DQ5DQ6

DQ19DQ20DQ21DQ22DQ23DQ24DQ25DQ26DQ27DQ28DQ29DQ30DQ31DQ32DQ33DQ34DQ35DQ36DQ37DQ38DQ39DQ40DQ41DQ42DQ43DQ44DQ45DQ46DQ47DQ48DQ49DQ50DQ51DQ52DQ53DQ54DQ55DQ56DQ57DQ58DQ59DQ60

DQ7DQ8DQ9DQ10DQ11DQ12DQ13DQ14DQ15DQ16DQ17DQ18

/CS

AD4

AD1AD2AD3

AD0

AD10

AD5AD4

AD7AD6

AD8AD9

AD11AD12AD13

BA1BA0

ODT MDQ38MDQ39MDQ48MDQ49

MDQ50MDQ51

MDQ36MDQ37

DM6DQS6DQ51DQ50

DQ49DQ48DQ39DQ38

DQ37DQ36DM4DQS4 MDQS4

MDM4

MDM6MDQS6

MDQ8MDQ9

MDQ10MDQ11DQ11

DQ10DQ9DQ8

MDQ52MDQ53MDQ54MDQ55DQ55

DQ54DQ53DQ52

MDQ63

MDQ0MDQ1MDQ2MDQ3

MDQ40MDQ41MDQ42MDQ43

MDQ4MDQ5MDQ6MDQ7

MDQ8MDQ9MDQ10MDQ11MDQ12MDQ13MDQ14MDQ15

MDQ16MDQ17MDQ18MDQ19MDQ20MDQ21MDQ22MDQ23

MDQ24MDQ25MDQ26MDQ27MDQ28MDQ29MDQ30MDQ31

MDQ32MDQ33MDQ34MDQ35MDQ36MDQ37MDQ38MDQ39

MDQ44MDQ45MDQ46MDQ47

MDQ48MDQ49MDQ50MDQ51MDQ52MDQ53MDQ54MDQ55

MDQ56MDQ57MDQ58MDQ59MDQ60MDQ61MDQ62

/MWE/MCS

MAD2MAD3

MAD1MAD0

MAD10

MAD5MAD4

MAD7MAD6

MAD8MAD9

MAD11MAD12MAD13

MBA0MBA1

MODT

MCLK/MCLKMCLKE

MDQ0

MDQS2

MDM0

MDM2

MDQS0

DQ7DQ16DQ17

DQ6

DQ18DQ19DQS2DM2

DQ20DQ21DQ22DQ23

MDQ6MDQ7

MDQ16MDQ17

MDQ18MDQ19

MDQ20MDQ21MDQ22MDQ23

DQS0DM0DQ4DQ5

MDQ4MDQ5

DQ0DQ1DQ2DQ3

MDQ1MDQ2MDQ3

MDQ32MDQ33MDQ34MDQ35DQ35

DQ34DQ33DQ32

DQ58

MDQ12MDQ13

MDQ14MDQ15MDQ24MDQ25

MDQ26MDQ27

MDQ61MDQ60

MDQ59MDQ58

MDQ57MDQ56MDQ47MDQ46

MDQ45MDQ44

MDQ43MDQ42MDQ41MDQ40

MDQ31MDQ30MDQ29MDQ28

MDQ62MDQ63

DQ62DQ61DQ60

DM7DQS7DQ59

DQ57DQ56DQ47DQ46

DQ45DQ44DM5DQS5

DQ43DQ42DQ41DQ40

DM3DQS3DQ27DQ26

DQ25DQ24DQ15DQ14

DQ31DQ30DQ29DQ28

DQ63

MDQS1MDM1

MDM3

MDM5MDQS5

MDQS3

MDQS7MDM7

DQ13DQ12DM1DQS1

CV

2P5

VR

EF

_V

DGND

MCLK

/MCLK

VT

T

VTT

DD

RV

2P5

DGND

VTT

VTT

VTT

VTT

DG

ND

DG

ND

DG

ND

DG

ND

PCI_AD31PCI_AD30PCI_AD29PCI_AD28PCI_AD27PCI_AD26PCI_AD25

Flash_AD23Flash_AD22Flash_AD21Flash_AD20Flash_AD19Flash_AD18Flash_AD17Flash_AD16Flash_AD15Flash_AD14Flash_AD13Flash_AD12Flash_AD11Flash_AD10Flash_AD9Flash_AD8Flash_AD7Flash_AD6Flash_AD5Flash_AD4Flash_AD3Flash_AD2Flash_AD1Flash_AD0Flash_AD-1

FLASH_AD19FLASH_AD18FLASH_AD17FLASH_AD16FLASH_AD15FLASH_AD14FLASH_AD13FLASH_AD12FLASH_AD11FLASH_AD10FLASH_AD9FLASH_AD8FLASH_AD7FLASH_AD6FLASH_AD5FLASH_AD4FLASH_AD3FLASH_AD2FLASH_AD1FLASH_AD0

FLASH_AD22FLASH_AD21FLASH_AD20

PCI_AD23PCI_AD22PCI_AD21PCI_AD20PCI_AD19PCI_AD18PCI_AD17PCI_AD16PCI_AD15PCI_AD14PCI_AD13PCI_AD12PCI_AD11PCI_AD10PCI_AD9PCI_AD8PCI_AD7PCI_AD6PCI_AD5PCI_AD4PCI_AD3PCI_AD2PCI_AD1PCI_AD0

DG

ND

FLASH_AD23

FLASH_AD-1GPIO23

CV

3P3

PCI_CBE1PCI_CBE3

/FLASH_CS0

/PCI_REQB

/FLASH_CS1

/PCI_REQA

CV

3P3

/PCI_STOP/PCI_SERR/PCI_PERR

/PCI_IRDY/PCI_TRDY/PCI_DEVSEL

/PCI_FRAME

PV3P3

PV

3P3

PCI_AD24

GPIO22GPIO21GPIO20GPIO19GPIO18GPIO17GPIO16

GPIO8GPIO9

GPIO10GPIO11GPIO12GPIO13GPIO14GPIO15

PV

3P3

/MRAS/MCAS

MAD0MAD1MAD2MAD3MAD4MAD5MAD6MAD7MAD8MAD9MAD10MAD11MAD12

MDM2MDM0

MBA1MBA0

MCLKE/MCLKMCLK

/MCS/MWE/MRAS/MCAS

MDM3MDM1

MCLKE/MCLKMCLK

/MCS/MWE/MRAS/MCAS

MBA0MBA1

MAD13

MDQ16

MAD13

MDM7MDM5

MCLKE/MCLKMCLK

/MCS/MWE/MRAS/MCAS

MBA0MBA1

MDM4MDM6

MCLKE/MCLKMCLK

/MCS/MWE/MRAS/MCAS

MBA0MBA1

MAD13

MDQ47

MAD13

MDQ48 VT

T

RESET

CV

3P3

DM0DM1DM2DM3DM4DM5DM6DM7

MAD0MAD1MAD2

MAD3MAD4MAD5MAD6

MAD7MAD8MAD9MAD10

MAD11MAD12MCLKE

MBA0MBA1/MRAS/MCS

/MWE/MCASMAD13MODT

MDQS1MDQS2MDQS3

MDQS7MDQS6MDQS5MDQS4

MDQS0

MDM5MDM6MDM7

MDM4

MDM0MDM1MDM2MDM3

MDQS[7:0]

MDM[7:0]

MDQ[63:0]

MAD[13:0]

FLASH_AD[23:0]

TO

SD

-15:

D2

PC

I_C

BE

[3:0

]

TO SD-15:E1 GPIO[24:0]

TO

SD

-15:

E2

PC

I_A

D[0

:23]

U80

27

256

Mbi

t SD

RA

MH

Y5D

U56

1622

ET

P-4

-C

U80

28

256

Mbi

t SD

RA

MH

Y5D

U56

1622

ET

P-4

-C

29 A030 A131 A232 A335 A436 A537 A638 A739 A840 A928 AP/A1041 A1142 A12/NC26 BA027 BA1

20 LDM47 UDM

22 /CAS23 /RAS21 /WE24 /CS

45 CK46 /CK44 CKE

49 VREF

34V

SS

48V

SS

66V

SS

6V

SS

Q12

VS

SQ

52V

SS

Q58

VS

SQ

64V

SS

Q

53NC

50NC

43NC

25NC

19NC

17NC

14NC

65DQ15

63DQ14

62DQ13

60DQ12

59DQ11

57DQ10

56DQ9

54DQ8

13DQ7

11DQ6

10DQ5

8DQ4

7DQ3

5DQ2

4DQ1

2DQ0

51UDQS

16LDQS

61V

DD

Q

55V

DD

Q

15V

DD

Q

9V

DD

Q

3V

DD

Q

33V

DD

18V

DD

1V

DD

29 A030 A131 A232 A335 A436 A537 A638 A739 A840 A928 AP/A1041 A1142 A12/NC26 BA027 BA1

20 LDM47 UDM

22 /CAS23 /RAS21 /WE24 /CS

45 CK46 /CK44 CKE

49 VREF

34V

SS

48V

SS

66V

SS

6V

SS

Q12

VS

SQ

52V

SS

Q58

VS

SQ

64V

SS

Q

53NC

50NC

43NC

25NC

19NC

17NC

14NC

65DQ15

63DQ14

62DQ13

60DQ12

59DQ11

57DQ10

56DQ9

54DQ8

13DQ7

11DQ6

10DQ5

8DQ4

7DQ3

5DQ2

4DQ1

2DQ0

51UDQS

16LDQS

61V

DD

Q

55V

DD

Q

15V

DD

Q

9V

DD

Q

3V

DD

Q

33V

DD

18V

DD

1V

DD

29 A030 A131 A232 A335 A436 A537 A638 A739 A840 A928 AP/A1041 A1142 A12/NC26 BA027 BA1

20 LDM47 UDM

22 /CAS23 /RAS21 /WE24 /CS

45 CK46 /CK44 CKE

49 VREF

34V

SS

48V

SS

66V

SS

6V

SS

Q12

VS

SQ

52V

SS

Q58

VS

SQ

64V

SS

Q

53NC

50NC

43NC

25NC

19NC

17NC

14NC

65DQ15

63DQ14

62DQ13

60DQ12

59DQ11

57DQ10

56DQ9

54DQ8

13DQ7

11DQ6

10DQ5

8DQ4

7DQ3

5DQ2

4DQ1

2DQ0

51UDQS

16LDQS

61V

DD

Q

55V

DD

Q

15V

DD

Q

9V

DD

Q

3V

DD

Q

33V

DD

18V

DD

1V

DD

29 A030 A131 A232 A335 A436 A537 A638 A739 A840 A928 AP/A1041 A1142 A12/NC26 BA027 BA1

20 LDM47 UDM

22 /CAS23 /RAS21 /WE24 /CS

45 CK46 /CK44 CKE

49 VREF

34V

SS

48V

SS

66V

SS

6V

SS

Q12

VS

SQ

52V

SS

Q58

VS

SQ

64V

SS

Q

53NC

50NC

43NC

25NC

19NC

17NC

14NC

65DQ15

63DQ14

62DQ13

60DQ12

59DQ11

57DQ10

56DQ9

54DQ8

13DQ7

11DQ6

10DQ5

8DQ4

7DQ3

5DQ2

4DQ1

2DQ0

51UDQS

16LDQS

61V

DD

Q

55V

DD

Q

15V

DD

Q

9V

DD

Q

3V

DD

Q

33V

DD

18V

DD

1V

DD

C81

7610

4Z

C81

7510

4Z

R81

24

10K

R81

2510

K

U8001VX-50

B5 MDQS0D5 MDQS1

B10 MDQS2D10 MDQS3B15 MDQS4D15 MDQS5B20 MDQS6D20 MDQS7

B3 MDQ0A3 MDQ1B4 MDQ2A4 MDQ3B6 MDQ4A6 MDQ5B7 MDQ6A7 MDQ7D3 MDQ8C3 MDQ9D4 MDQ10C4 MDQ11D6 MDQ12C6 MDQ13D7 MDQ14C7 MDQ15B8 MDQ16A8 MDQ17B9 MDQ18A9 MDQ19

B11 MDQ20A11 MDQ21B12 MDQ22A12 MDQ23D8 MDQ24C8 MDQ25D9 MDQ26C9 MDQ27

D11 MDQ28C11 MDQ29D12 MDQ30C12 MDQ31B13 MDQ32A13 MDQ33B14 MDQ34A14 MDQ35B16 MDQ36A16 MDQ37B17 MDQ38A17 MDQ39D13 MDQ40C13 MDQ41D14 MDQ42C14 MDQ43D16 MDQ44C16 MDQ45D17 MDQ46C17 MDQ47B18 MDQ48A18 MDQ49B19 MDQ50A19 MDQ51B21 MDQ52A21 MDQ53B22 MDQ54A22 MDQ55D18 MDQ56C18 MDQ57D19 MDQ58C19 MDQ59D21 MDQ60C21 MDQ61D22 MDQ62C22 MDQ63

F7MVREF4

F10MVREF3

F14MVREF2

F18MVREF1

A25MODT

C23MBA1

D24MBA0

E20MAD13

B24MAD12

C24MAD11

C25MAD10

E24MAD9

D23MAD8

D25MAD7

E25MAD6

G23MAD5

G25MAD4

G26MAD3

G24MAD2

E26MAD1

D26MAD0

C20MDM7

A20MDM6

C15MDM5

A15MDM4

C10MDM3

A10MDM2

C5MDM1

A5MDM0

E23MCS

A24MWE

E22MCAS

E21MRAS

F6MCLKE

C26MCLK

B26MCLK

R8123RM7LJ000X04

RN803933X4

RN8048

33X4

RN8053

33X4

RN804533X4

RN807868x4

RN806268x4

RN806468x4

RN806668x4

RN806868x4

RN807068x4

RN807168x4

RN807368x4

RN807568x4

RN807668x4

RN807768x4

RN808068x4

RN808168x4

RN808268x4

RN808368x4

RN807968x4

RN8038

33X4

RN8043

33X4

RN8052

33X4

RN8041

33X4

RN8037

33X4

RN8050

33X4

RN8049

33X4

RN8059

33X4

RN8061

33X4

RN8060

33X4

RN8058

33X4

RN8057

33X4

RN8056

33X4

RN8055

33X4

RN805433X4

RN8051

33X4

RN870668x4

RN870568x4

RN870468x4

RN870368x4

R81

2627

0

R81

28

75

R81

30

75

R88

92

100K

R88

9110

0K

C89

22

104Z

C89

23

104Z

C89

20

104Z

R889310KR

8890

0

C89

19

47/1

0

C89

21

220/

10

U8067

LP2996MX

5 VDDQ6 AVIN7 PVIN2 SD 1GND

8VTT

3VSENS

4VREF

C82

9010

4ZC

8291

104Z

C82

9210

4ZC

8293

104Z

C82

9410

4ZC

8295

104Z

C81

8110

4ZC

8182

104Z

C81

8310

4ZC

8184

104Z

C81

8510

4ZC

8186

104Z

C81

8710

4ZC

8188

104Z

C81

8910

4Z

C81

9010

4ZC

8191

104Z

C81

9410

4Z

C81

9210

4ZC

8193

104Z

C81

9510

4ZC

8196

104Z

C81

9710

4ZC

8198

104Z

C81

9910

4ZC

8200

104Z

C82

0110

4ZC

8202

104Z

U80

3112

8 M

bit F

lash

Mem

ory

S29

GL1

28N

10T

F02

51 DQ15/A-131 A026 A125 A224 A323 A422 A521 A620 A710 A89 A98 A107 A116 A125 A134 A143 A15

54 A1619 A1718 A18 16WP/ACC11 A1912 A20 53/BYTE15 A212 A221 A23

56 NC55 NC

32 CE34 OE13 WE

14 RESET

33G

ND

52G

ND

17RY/BY

30NC

28NC

27NC

49DQ14

47DQ13

45DQ12

42DQ11

40DQ10

38DQ9

36DQ8

50DQ7

48DQ6

46DQ5

44DQ4

41DQ3

39DQ2

37DQ1

35DQ0

29V

IO

43V

CC

R8251

10K

R81

50

10K

R81

4910

K

R8147

10K

R81680

R815110K

RN80890X4

RN80910X4

RN80930X4

RN80950X4

RN80970X4

RN80990X4

R8154

0

RN

8087

10kX

4

RN

8088

10kX

4

R81

57

10K

R81

58

10K

C81

5010

4Z

C81

4910

4Z

TP

815

87654321

RN8063 47x4

RN8065 47x4

RN8067 47x4

RN8069 47x4

RN8072 47x4

RN8074 47x4U

8029

256

Mbi

t SD

RA

MH

Y5D

U56

1622

ET

P-4

-C

U80

30

256

Mbi

t SD

RA

MH

Y5D

U56

1622

ET

P-4

-C

U42 HDMI PC BOARDNAHDM-9114(2/5)

DG

ND

DDRV2P5

DG

ND

DG

ND

DG

ND

C82

1610

4ZC

8217

104Z

C82

1810

4ZC

8219

104Z

C82

2010

4ZC

8221

104Z

C82

2210

4Z

C82

1510

/10

C82

8110

4Z

C82

8010

4Z

C82

7910

4Z

C82

7810

4Z

C82

7710

4Z

C82

7610

4Z

C82

7510

4Z

C82

74

10/1

6

C82

6010

4Z

C82

5910

4Z

C82

5810

4Z

C82

5710

4Z

C82

5610

4Z

C82

5510

4Z

C82

5410

4Z

C82

53

10/1

0

C82

3510

4ZC

8236

104Z

C82

3710

4ZC

8238

104Z

C82

3910

4ZC

8240

104Z

C82

4110

4Z

C82

3410

/10

DD

RV

2P5

C81

78

104Z

C81

79

104Z

C81

7710

4ZC

8180

104Z

R81

27

10K

R81

29

10K

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

+2.

5V

+2.5V

+2.5V

+2.5V

+2.5V

+3.3V

+3.3V

+3.3V

Page 41: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-17 (SD-17) HDMI SECTION-3

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

GN

D

CEC

R0PWR5V

R1X1P

R1X0P

R1X2P

R1XCNR1XCP

R1X0N

R1X1N

R1X2N

CEC

DSDA0DSCL0

CEC

CEC

CEC

R0XCP

R0X1PR0X1N

R0X2NR0X2P

R0XCN

R4HPR

SDADDC4

SCLDDC4

PRODDC3R3HPR

SDADDC3

SCLDDC3

+3.3VHD1

R1HPRPRODDC1

+3.3VHD1

SDADDC1

SCLDDC1

R2HPRPRODDC2

+3.3VHD1

SDADDC2

SCLDDC2

R0X0NR0X0P

DSDA1DSCL1

R1PWR5V

HDMSDAHDMSCL

RST_RXSW1

CECHDMSDAHDMSCL

RST_RXSW0

+5VHD+3.3VHD1

GND

+5VHD+3.3VHD1

+3.3VHD1

PRODDC4

TO

SD

-18:

B2

TM

DS

/DD

C D

AT

ATO SD-18:H3VIDEO MPU

HD

MI I

N 1

HD

MI I

N 2

HD

MI I

N 4

HD

MI I

N 3

HDMI INPUT MULTIPLEX

HDMI INPUT MULTIPLEX

R80

23

47K

R80

43

47K

R80

04 4.7K

R80

12

47K

R8013

1K

R80

32

47K

R8033

1K

R80

360

C80

4610

0/4

C80

1510

2KC

8016

105Z

C80

1710

2KC

8018

105Z

C8010 105Z

C8011 102K

C8008105Z

C8009 102K

C8019102K

C8031102J C

8036

100/

4

C8041102J

C8030 102J

C80

01

102K

R800110K

C8006105Z

C8007 102K

C8005 102K

C8004105Z

C800322/4

C8012 105Z

C8027

105Z

C8028 102K

C80

2310

5Z

C80

2410

2KC

8025

105Z

C8029

105Z

C8021105Z

C80

1410

5Z

C80

1310

2K

Q8109DTC144EE

Q8129DTC144EE

C80

2610

2K

C8040

102J

R80

660

R80

73

47K

R80

93

47K

R80

544.

7K

R80

62

47K

R8063

1K

R80

82

47K

R8083

1K

R80

860

C80

9610

0/4

C80

6510

2KC

8066

105Z

C80

6710

2KC

8068

105Z

C8060 105Z

C8061 102K

C8058105Z

C8059 102K

C8069 102K

C8081102J C

8086

100/

4

C8091102J

C8080

102J

C8090

102J

C80

5110

2K

R805110K

C8056105Z

C8057 102K

C8055 102K

C8054105Z

C805322/4

C8062 105Z

C8077

105Z

C8078 102K

C80

7310

5ZC

8074

102K

C80

7510

5Z

C8079

105Z

C8071105Z

C80

70

22/4

C80

6410

5Z

C80

6310

2K

Q8159DTC144EE

Q8179

DTC144EE

C80

7610

2K

R8005

10K

R8055

10K

C8093 105Z R80890

C8094 104Z

R80

8847

K

BR24L02FV-W

5 SDA6 SCL7 WP8 VCC 1A0

2A1

3A2

4GND

R80910

R8090 0

C80

9510

5Z

BR24L02FV-W

5 SDA6 SCL7 WP8 VCC 1A0

2A1

3A2

4GND

R8070 0

R80710

R80

6847

K

R80690

C8083 105Z

C80

8510

5ZC8084 104Z

C8043 105Z R80390

C8044 104Z

R80

3847

K

BR24L02FV-W

5 SDA6 SCL7 WP8 VCC 1A0

2A1

3A2

4GND

R80410

R8040 0

C80

4510

5Z

Q8105

BR24L02FV-W

5 SDA6 SCL7 WP8 VCC 1A0

2A1

3A2

4GND

R8020 0

R80210

R80

1847

K

R80190

C8033

105ZC8034 104Z

C80

3510

5Z

L810

2LB

C25

18T

4R7M

LBC

2518

T4R

7M

L815

2LB

C25

18T

4R7M

LBC

2518

T4R

7ML8

151

P80

01

23S

hiel

d

21

1D2+

2D2 Shield

3D2-

4D1+

5D1 Shield

6D1-

7D0+

8D0 Shield

9D0-

10CK+

11CK Shield

12CK-

13CERemote

14NC

15DDC CLK

16DDC DATA

17GND

18+5V

19HP DET

2022S

hiel

d

P80

02

23S

hiel

d

21

1D2+

2D2 Shield

3D2-

4D1+

5D1 Shield

6D1-

7D0+

8D0 Shield

9D0-

10CK+

11CK Shield

12CK-

13CERemote

14NC

15DDC CLK

16DDC DATA

17GND

18+5V

19HP DET

2022S

hiel

d

P80

51

23S

hiel

d

21

1D2+

2D2 Shield

3D2-

4D1+

5D1 Shield

6D1-

7D0+

8D0 Shield

9D0-

10CK+

11CK Shield

12CK-

13CERemote

14NC

15DDC CLK

16DDC DATA

17GND

18+5V

19HP DET

2022S

hiel

dP

8052

23S

hiel

d

21

1D2+

2D2 Shield

3D2-

4D1+

5D1 Shield

6D1-

7D0+

8D0 Shield

9D0-

10CK+

11CK Shield

12CK-

13CERemote

14NC

15DDC CLK

16DDC DATA

17GND

18+5V

19HP DET

2022S

hiel

d

Q8101AD8196

57e_PAD

56 AUX_A055 AUX_A154 AUX_A253 AUX_A352 DVEE51 AUX_COM050 AUX_COM149 AUX_COM248 AUX_COM347 AMUXVCC46 AUX_B045 AUX_B144 AUX_B243 AUX_B3

42A

VC

C41

IP_B

340

IN_B

339

AV

EE

38IP

_B2

37IN

_B2

36V

TT

I35

IP_B

134

IN_B

133

AV

CC

32IP

_BO

31IN

_BO

30V

AV

EE

29I2

C_S

DA 28

28:I2C_SCL27RESET

26OP3

25ON3

24VTTO

23OP2

22ON2

21DVCC

20OP1

19ON1

18VTTO

17OP0

16ON0

15DVCC

1412

C_A

DD

R

13A

VE

E

12IP

_A3

11IN

_A3

10A

VC

C

9IP

_A2

8IN

_A2

7V

TT

I

6IP

_A1

5IN

_A1

4A

VE

E

3IP

_AO

2IN

_AO

1A

VC

C

Q8151AD8196

57e_PAD

56 AUX_A055 AUX_A154 AUX_A253 AUX_A352 DVEE51 AUX_COM050 AUX_COM149 AUX_COM248 AUX_COM347 AMUXVCC46 AUX_B045 AUX_B144 AUX_B243 AUX_B3

42A

VC

C41

IP_B

340

IN_B

339

AV

EE

38IP

_B2

37IN

_B2

36V

TT

I35

IP_B

134

IN_B

133

AV

CC

32IP

_BO

31IN

_BO

30V

AV

EE

29I2

C_S

DA 28

28:I2C_SCL27RESET

26OP3

25ON3

24VTTO

23OP2

22ON2

21DVCC

20OP1

19ON1

18VTTO

17OP0

16ON0

15DVCC14

12C

_AD

DR

13A

VE

E

12IP

_A3

11IN

_A3

10A

VC

C

9IP

_A2

8IN

_A2

7V

TT

I

6IP

_A1

5IN

_A1

4A

VE

E

3IP

_AO

2IN

_AO

1A

VC

C

Q8128

DTA144EE

Q8158

DTA144EE

Q8178

DTA144EE

Q8152

2SK3019

Q8153

2SK3019

Q8103

2SK3019

Q8102

2SK3019

C80

2022

/4

L810

1

R80

160

Q8108

DTA144EE

Q8124

Q8125

SN

74C

B3T

3306

DC

T

52A

62B

72O

E8

VC

C1

1OE

21A

31B

4G

ND

Q8154

Q8155

SN

74C

B3T

3306

DC

T

52A

62B

72O

E8

VC

C1

1OE

21A

31B

4G

ND

Q8174

Q8175SN

74C

B3T

3306

DC

T

52A

62B

72O

E8

VC

C1

1OE

21A

31B

4G

ND

Q8104

SN

74C

B3T

3306

DC

T

52A

62B

72O

E8

VC

C1

1OE

21A

31B

4G

ND R

8014

5.6K R80

155.

6K

R80

34

5.6K R80

355.

6K

R80

64

5.6K R80

655.

6K

R80

84

5.6K R80

855.

6K

U42 HDMI PC BOARDNAHDM-9114(3/5) <Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+5.0V

+5.0V

SDA_TXSCL_TX

+5VHD

PC

MLR

CK

PC

MB

CK

PC

MS

BLR

PC

MS

LRP

CM

CS

W

PC

MLR

HD

MIS

PF

+3.3VHD1

TX

_CR

0T

X_C

R1

TX

_CR

2T

X_C

R3

TX

_CR

4T

X_C

R5

TX

_CR

6T

X_C

R7

TX

_CR

8T

X_C

R9

TX

_CR

10T

X_C

R11

TX

_Y9

TX

_Y10

TX

_Y11

TX_Y8TX_Y7TX_Y6TX_Y5TX_Y4TX_Y3TX_Y2TX_Y1TX_Y0

TX_CB10TX_CB9

TX_CB8TX_CB7TX_CB6TX_CB5TX_CB4TX_CB3TX_CB2TX_CB1TX_CB0

TX_PIXCLK

TX

_HS

YN

CT

X_V

SY

NC

TX_CB11

HPD2

SDAODDC2SCLODDC2

SCLODDC2

SDAODDC2

CEC

HP

D2

INT

_TX

RS

T_T

X2

MC

K_H

DM

I

GND

TX

_BLN

K

CV3P3

+3.

3VH

D1

+5V

HD

HDMI_POW

+12V

TO SD-19:H5DIGITAL_AUDIO_DATA

TO SD-19:E4 DIGITAL_VIDEO_DATA TX[Y,CB,CR0:11]

HD

MI O

UT

SU

B

R83

74 4.7K

C8464105Z

C8463102JC8462105Z

R83842.2K

R83852.2K

C84

60

105Z

C8461102J

R847522

C8474 105Z

C8475

102J

C84

7210

5Z

C84

7310

2J

R847322X4

R847222X4

R847122X4

R847022X4

R84

5522

C84

7610

5Z

C84

7710

2J

R84

52 22

C845822/4

C8466102J

C8469 102J

R84

5422

L8455

C83

7910

5Z

C8380105Z

C8465 102J

L845

3

BLM

21P

G22

1

Q8356TC7SZ08FU

1 INA2 INB3 GND 4

OUTY

5VCC

C84

8110

2J

C84

8210

5Z

C8485

105Z

C84

5410

2JC

8453

105Z

C84

5510

5Z

R847422X4

C8470 105Z

R84

8222

L845

4

BLM21PG221

R84

5322

X4

C84

7910

2J

C8457 100D

C8478 105Z

R83

7547

K

R83

76

47K

R84

6922

X4

R84

6822

X4

R84

6722

X4

R84

6622

X4

C84

8310

2J

C84

8410

5Z

C8398

102J

C84

9110

5Z

C84

9210

5ZC

8493

220/

4

R84

921K

C84

5610

2J

R84

5622

X4

R84

9322

+3.3VHD1

C83

7610

5Z

R83

7310

K

C83

7710

5Z

C83

7822

/16

C8449 102J

R8479 22

L845

8

BLM

21P

G22

1

+3.3VHD1

R8494

0

D8351

1SS226

R84

814.

7K

C84

8010

5Z

R84

61

4.7K

R84

624.

7K

D8352

R84

5722

X4

R84

59

4.7K

D83

53

P83521 D2+2 D2 Shield3 D2-4 D1+5 D1 Shield6 D1-7 D0+8 D0 Shield9 D0-

10 CK+11 CK Shield12 CK-13 CERemote14 NC15 DDC CLK16 DDC DATA17 GND18 +5V19 HP DET

20 22S

hiel

d23

Shi

eld

21

Q83

59

UM6K1N

C8467105Z

C8468TA22/4

R8460680F

C845910/10TA

L845012 3

4

L8459 12 3

4

L8456

MNR12E0APJ000

12 3

4

L8457 12 3

4

C8726

105Z

C8725

100/4

R84

5122

X4

C8471102J

L845

1

BLM

21P

G22

1

L845

2

BLM

21P

G22

1

Q8451Sil9134

76 CVCC1877 D1878 D1679 D1780 D1581 D1482 D1383 D1284 D1185 D1086 D987 GND88 IDCK89 IOVCC3390 D891 D792 D693 D594 D495 D396 D297 D198 D099 CVCC18

100 GND101 Pad

1D

E2

HS

YN

C3

VS

YN

C4

SP

DIF

5M

CLK

6S

D3

7S

D2

8S

D1

9S

D0

10W

S11

SC

K12

CV

CC

1813

GN

D14

IOV

CC

3315

DC

LK16

DR

017

DL0

18D

R1

19D

L120

DR

221

DL2

22D

R3

23D

L324

INT

25R

ES

ET

26AGND

27EXT_SWG

28PVCC1

29AGND

30TXC-

31TXC+

32AVCC18

33TX0-

34TX0+

35AGND

36TX1-

37TX1+

38AVCC18

39TX2-

40TX2+

41AGND

42PVCC2

43AGND

44AVCC33

45DDCPWR5V

46DSCL

47DSDA

48CSCL

49CSDA

50CI2CA

51H

PD

52T

MO

DE

53IO

VC

C33

54G

ND

55V

PP

18

56D

35

57D

34

58D

33

59D

32

60D

31

61D

30

62D

29

63D

28

64C

VC

C18

65G

ND

66IO

VC

C33

67D

27

68D

26

69D

25

70D

24

71D

23

72D

22

73D

21

74D

20

75D

19

Q86

45B

A18

BC

0FP

2 G

1I

3O

C84

5110

/10T

A

C84

5210

/10T

A

Q8454XC6213B182M

1VIN

2VSS

3CE 4NC

5VOUT

Q83

55S

-812

C50

BU

C

5N

C

4S

W3

GN

D

2IN

1O

UT

R8391

47

HDMI TX OUT2

WF41

WF41

WF41

WF42

<Note>Refer to SCHEMATIC DIAGRAM-29 (SD-29)for HDMI signal waveforms.

WF41

WF41

WF41

WF42

SN74CB3T3306DCT

11OE21A31B4GND 5 2A

6 2B

7 2OE

8 VCC

Page 42: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-17 (SD-17) HDMI SECTION-3

A

1

2

3

4

5

B C D E F G H

GN

D

CEC

R0PWR5V

R1X1P

R1X0P

R1X2P

R1XCNR1XCP

R1X0N

R1X1N

R1X2N

CEC

DSDA0DSCL0

CEC

CEC

CEC

R0XCP

R0X1PR0X1N

R0X2NR0X2P

R0XCN

R4HPR

SDADDC4

SCLDDC4

PRODDC3R3HPR

SDADDC3

SCLDDC3

+3.3VHD1

R1HPRPRODDC1

+3.3VHD1

SDADDC1

SCLDDC1

R2HPRPRODDC2

+3.3VHD1

SDADDC2

SCLDDC2

R0X0NR0X0P

DSDA1DSCL1

R1PWR5V

HDMSDAHDMSCL

RST_RXSW1

CECHDMSDAHDMSCL

RST_RXSW0

+5VHD+3.3VHD1

GND

+5VHD+3.3VHD1

+3.3VHD1

PRODDC4

TO

SD

-18:

B2

TM

DS

/DD

C D

AT

A

TO SD-18:H3VIDEO MPU

HD

MI I

N 1

HD

MI I

N 2

HD

MI I

N 4

HD

MI I

N 3

HDMI INPUT MULTIPLEX

HDMI INPUT MULTIPLEX

R80

23

47K

R80

43

47K

R80

04 4.7K

R80

12

47K

R8013

1K

R80

32

47K

R8033

1K

R80

360

C80

4610

0/4

C80

1510

2KC

8016

105Z

C80

1710

2KC

8018

105Z

C8010 105Z

C8011 102K

C8008105Z

C8009 102K

C8019102K

C8031102J C

8036

100/

4

C8041102J

C8030 102J

C80

01

102K

R800110K

C8006105Z

C8007 102K

C8005 102K

C8004105Z

C800322/4

C8012 105Z

C8027

105Z

C8028 102K

C80

2310

5Z

C80

2410

2KC

8025

105Z

C8029

105Z

C8021105Z

C80

1410

5Z

C80

1310

2K

Q8109DTC144EE

Q8129DTC144EE

C80

2610

2K

C8040

102J

R80

660

R80

73

47K

R80

93

47K

R80

544.

7K

R80

62

47K

R8063

1K

R80

82

47K

R8083

1K

R80

860

C80

9610

0/4

C80

6510

2KC

8066

105Z

C80

6710

2KC

8068

105Z

C8060 105Z

C8061 102K

C8058105Z

C8059 102K

C8069 102K

C8081102J C

8086

100/

4

C8091102J

C8080

102J

C8090

102J

C80

5110

2K

R805110K

C8056105Z

C8057 102K

C8055 102K

C8054105Z

C805322/4

C8062 105Z

C8077

105Z

C8078 102K

C80

7310

5ZC

8074

102K

C80

7510

5Z

C8079

105Z

C8071105Z

C80

70

22/4

C80

6410

5Z

C80

6310

2K

Q8159DTC144EE

Q8179

DTC144EE

C80

7610

2K

R8005

10K

R8055

10K

C8093 105Z R80890

C8094 104Z

R80

8847

K

BR24L02FV-W

5 SDA6 SCL7 WP8 VCC 1A0

2A1

3A2

4GND

R80910

R8090 0

C80

9510

5Z

BR24L02FV-W

5 SDA6 SCL7 WP8 VCC 1A0

2A1

3A2

4GND

R8070 0

R80710

R80

6847

K

R80690

C8083 105Z

C80

8510

5ZC8084 104Z

C8043 105Z R80390

C8044 104Z

R80

3847

K

BR24L02FV-W

5 SDA6 SCL7 WP8 VCC 1A0

2A1

3A2

4GND

R80410

R8040 0

C80

4510

5Z

Q8105

BR24L02FV-W

5 SDA6 SCL7 WP8 VCC 1A0

2A1

3A2

4GND

R8020 0

R80210

R80

1847

K

R80190

C8033

105ZC8034 104Z

C80

3510

5Z

L810

2LB

C25

18T

4R7M

LBC

2518

T4R

7M

L815

2LB

C25

18T

4R7M

LBC

2518

T4R

7ML8

151

P80

01

23S

hiel

d

21

1D2+

2D2 Shield

3D2-

4D1+

5D1 Shield

6D1-

7D0+

8D0 Shield

9D0-

10CK+

11CK Shield

12CK-

13CERemote

14NC

15DDC CLK

16DDC DATA

17GND

18+5V

19HP DET

2022S

hiel

d

P80

02

23S

hiel

d

21

1D2+

2D2 Shield

3D2-

4D1+

5D1 Shield

6D1-

7D0+

8D0 Shield

9D0-

10CK+

11CK Shield

12CK-

13CERemote

14NC

15DDC CLK

16DDC DATA

17GND

18+5V

19HP DET

2022S

hiel

d

P80

51

23S

hiel

d

21

1D2+

2D2 Shield

3D2-

4D1+

5D1 Shield

6D1-

7D0+

8D0 Shield

9D0-

10CK+

11CK Shield

12CK-

13CERemote

14NC

15DDC CLK

16DDC DATA

17GND

18+5V

19HP DET

2022S

hiel

dP

8052

23S

hiel

d

21

1D2+

2D2 Shield

3D2-

4D1+

5D1 Shield

6D1-

7D0+

8D0 Shield

9D0-

10CK+

11CK Shield

12CK-

13CERemote

14NC

15DDC CLK

16DDC DATA

17GND

18+5V

19HP DET

2022S

hiel

d

Q8101AD8196

57e_PAD

56 AUX_A055 AUX_A154 AUX_A253 AUX_A352 DVEE51 AUX_COM050 AUX_COM149 AUX_COM248 AUX_COM347 AMUXVCC46 AUX_B045 AUX_B144 AUX_B243 AUX_B3

42A

VC

C41

IP_B

340

IN_B

339

AV

EE

38IP

_B2

37IN

_B2

36V

TT

I35

IP_B

134

IN_B

133

AV

CC

32IP

_BO

31IN

_BO

30V

AV

EE

29I2

C_S

DA 28

28:I2C_SCL27RESET

26OP3

25ON3

24VTTO

23OP2

22ON2

21DVCC

20OP1

19ON1

18VTTO

17OP0

16ON0

15DVCC

1412

C_A

DD

R

13A

VE

E

12IP

_A3

11IN

_A3

10A

VC

C

9IP

_A2

8IN

_A2

7V

TT

I

6IP

_A1

5IN

_A1

4A

VE

E

3IP

_AO

2IN

_AO

1A

VC

C

Q8151AD8196

57e_PAD

56 AUX_A055 AUX_A154 AUX_A253 AUX_A352 DVEE51 AUX_COM050 AUX_COM149 AUX_COM248 AUX_COM347 AMUXVCC46 AUX_B045 AUX_B144 AUX_B243 AUX_B3

42A

VC

C41

IP_B

340

IN_B

339

AV

EE

38IP

_B2

37IN

_B2

36V

TT

I35

IP_B

134

IN_B

133

AV

CC

32IP

_BO

31IN

_BO

30V

AV

EE

29I2

C_S

DA 28

28:I2C_SCL27RESET

26OP3

25ON3

24VTTO

23OP2

22ON2

21DVCC

20OP1

19ON1

18VTTO

17OP0

16ON0

15DVCC

1412

C_A

DD

R

13A

VE

E

12IP

_A3

11IN

_A3

10A

VC

C

9IP

_A2

8IN

_A2

7V

TT

I

6IP

_A1

5IN

_A1

4A

VE

E

3IP

_AO

2IN

_AO

1A

VC

C

Q8128

DTA144EE

Q8158

DTA144EE

Q8178

DTA144EE

Q8152

2SK3019

Q8153

2SK3019

Q8103

2SK3019

Q8102

2SK3019

C80

2022

/4

L810

1

R80

160

Q8108

DTA144EE

Q8124

Q8125

SN

74C

B3T

3306

DC

T

52A

62B

72O

E8

VC

C1

1OE

21A

31B

4G

ND

Q8154

Q8155

SN

74C

B3T

3306

DC

T

52A

62B

72O

E8

VC

C1

1OE

21A

31B

4G

ND

Q8174

Q8175SN

74C

B3T

3306

DC

T

52A

62B

72O

E8

VC

C1

1OE

21A

31B

4G

ND

Q8104

SN

74C

B3T

3306

DC

T

52A

62B

72O

E8

VC

C1

1OE

21A

31B

4G

ND R

8014

5.6K R80

155.

6K

R80

34

5.6K R80

355.

6K

R80

64

5.6K R80

655.

6K

R80

84

5.6K R80

855.

6K

U42 HDMI PC BOARDNAHDM-9114(3/5) <Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+5.0V

+5.0V

SDA_TXSCL_TX

+5VHD

PC

MLR

CK

PC

MB

CK

PC

MS

BLR

PC

MS

LRP

CM

CS

W

PC

MLR

HD

MIS

PF

+3.3VHD1

TX

_CR

0T

X_C

R1

TX

_CR

2T

X_C

R3

TX

_CR

4T

X_C

R5

TX

_CR

6T

X_C

R7

TX

_CR

8T

X_C

R9

TX

_CR

10T

X_C

R11

TX

_Y9

TX

_Y10

TX

_Y11

TX_Y8TX_Y7TX_Y6TX_Y5TX_Y4TX_Y3TX_Y2TX_Y1TX_Y0

TX_CB10TX_CB9

TX_CB8TX_CB7TX_CB6TX_CB5TX_CB4TX_CB3TX_CB2TX_CB1TX_CB0

TX_PIXCLK

TX

_HS

YN

CT

X_V

SY

NC

TX_CB11

HPD2

SDAODDC2SCLODDC2

SCLODDC2

SDAODDC2

CEC

HP

D2

INT

_TX

RS

T_T

X2

MC

K_H

DM

I

GND

TX

_BLN

K

CV3P3

+3.

3VH

D1

+5V

HD

HDMI_POW

+12V

TO SD-19:H5DIGITAL_AUDIO_DATA

TO SD-19:E4 DIGITAL_VIDEO_DATA TX[Y,CB,CR0:11]

HD

MI O

UT

SU

B

R83

74 4.7K

C8464105Z

C8463102JC8462105Z

R83842.2K

R83852.2K

C84

60

105Z

C8461102J

R847522

C8474 105Z

C8475

102J

C84

7210

5Z

C84

7310

2J

R847322X4

R847222X4

R847122X4

R847022X4

R84

5522

C84

7610

5Z

C84

7710

2J

R84

52 22

C845822/4

C8466102J

C8469 102J

R84

5422

L8455

C83

7910

5Z

C8380105Z

C8465 102J

L845

3

BLM

21P

G22

1

Q8356TC7SZ08FU

1 INA2 INB3 GND 4

OUTY

5VCC

C84

8110

2J

C84

8210

5Z

C8485

105Z

C84

5410

2JC

8453

105Z

C84

5510

5Z

R847422X4

C8470 105Z

R84

8222

L845

4

BLM21PG221

R84

5322

X4

C84

7910

2J

C8457 100D

C8478 105Z

R83

7547

K

R83

76

47K

R84

6922

X4

R84

6822

X4

R84

6722

X4

R84

6622

X4

C84

8310

2J

C84

8410

5Z

C8398

102J

C84

9110

5Z

C84

9210

5ZC

8493

220/

4

R84

921K

C84

5610

2J

R84

5622

X4

R84

9322

+3.3VHD1

C83

7610

5Z

R83

7310

K

C83

7710

5Z

C83

7822

/16

C8449 102J

R8479 22

L845

8

BLM

21P

G22

1

+3.3VHD1

R8494

0

D8351

1SS226

R84

814.

7K

C84

8010

5Z

R84

61

4.7K

R84

624.

7K

D8352

R84

5722

X4

R84

59

4.7K

D83

53

P83521 D2+2 D2 Shield3 D2-4 D1+5 D1 Shield6 D1-7 D0+8 D0 Shield9 D0-

10 CK+11 CK Shield12 CK-13 CERemote14 NC15 DDC CLK16 DDC DATA17 GND18 +5V19 HP DET

20 22S

hiel

d23

Shi

eld

21

Q83

59

UM6K1N

C8467105Z

C8468TA22/4

R8460680F

C845910/10TA

L845012 3

4

L8459 12 3

4

L8456

MNR12E0APJ000

12 3

4

L8457 12 3

4

C8726

105Z

C8725

100/4

R84

5122

X4

C8471102J

L845

1

BLM

21P

G22

1

L845

2

BLM

21P

G22

1

Q8451Sil9134

76 CVCC1877 D1878 D1679 D1780 D1581 D1482 D1383 D1284 D1185 D1086 D987 GND88 IDCK89 IOVCC3390 D891 D792 D693 D594 D495 D396 D297 D198 D099 CVCC18

100 GND101 Pad

1D

E2

HS

YN

C3

VS

YN

C4

SP

DIF

5M

CLK

6S

D3

7S

D2

8S

D1

9S

D0

10W

S11

SC

K12

CV

CC

1813

GN

D14

IOV

CC

3315

DC

LK16

DR

017

DL0

18D

R1

19D

L120

DR

221

DL2

22D

R3

23D

L324

INT

25R

ES

ET

26AGND

27EXT_SWG

28PVCC1

29AGND

30TXC-

31TXC+

32AVCC18

33TX0-

34TX0+

35AGND

36TX1-

37TX1+

38AVCC18

39TX2-

40TX2+

41AGND

42PVCC2

43AGND

44AVCC33

45DDCPWR5V

46DSCL

47DSDA

48CSCL

49CSDA

50CI2CA

51H

PD

52T

MO

DE

53IO

VC

C33

54G

ND

55V

PP

18

56D

35

57D

34

58D

33

59D

32

60D

31

61D

30

62D

29

63D

28

64C

VC

C18

65G

ND

66IO

VC

C33

67D

27

68D

26

69D

25

70D

24

71D

23

72D

22

73D

21

74D

20

75D

19

Q86

45B

A18

BC

0FP

2 G

1I

3O

C84

5110

/10T

A

C84

5210

/10T

A

Q8454XC6213B182M

1VIN

2VSS

3CE 4NC

5VOUT

Q83

55S

-812

C50

BU

C

5N

C

4S

W3

GN

D

2IN

1O

UT

R8391

47

HDMI TX OUT2

WF41

WF41

WF41

WF42

<Note>Refer to SCHEMATIC DIAGRAM-29 (SD-29)for HDMI signal waveforms.

WF41

WF41

WF41

WF42

SN74CB3T3306DCT

11OE21A31B4GND 5 2A

6 2B

7 2OE

8 VCC

Page 43: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-18 (SD-18) HDMI SECTION-4

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

INT

_TX

INT

_RX

MU

TE

_RX

VM_STB

+3_3VHD1

MO

DE

TX

MO

DE

RX

SDADDC3

SCLDDC2

SDADDC1

SDAODDC2SCLODDC2

SCLODDC

SCLDDC4SDADDC4

SDADDC2SCLDDC1

SDA_TX

SD

A_R

XS

CK

_RX

RX

MU

TE

SCLDDC3

HS

MO

DE

RX

2

VD

LOC

K

VM

SC

KV

M_S

DI

VM

SD

O

NO

INT

L60

NO

INT

L50

R2HPR

HDMI_POW

R3HPR

R1HPR

R4HPR

FC

LK

RS

T_T

X

SDA_TX

SCL_TX

SCLODDC

+5VHD

TX2+

TX0+

TXC-

TX1-

TX0-TXC+

TX2-

HPD

HP

D

CEC_IO

+1_

8VH

D3

+3_

3VH

D1

HDMI_POW

TX

_CR

0T

X_C

R1

TX

_CR

2T

X_C

R3

TX

_CR

4T

X_C

R5

TX

_CR

6T

X_C

R7

TX

_CR

8T

X_C

R9

TX

_CR

10T

X_C

R11

TX

_Y9

TX

_Y10

TX

_Y11

TX_Y8TX_Y7TX_Y6TX_Y5TX_Y4TX_Y3TX_Y2TX_Y1TX_Y0

TX_CB10TX_CB9

TX_CB8TX_CB7TX_CB6TX_CB5TX_CB4TX_CB3TX_CB2TX_CB1TX_CB0

TX_PIXCLK

TX_CB11

TX

_MU

TE

SDAODDCSCLODDC

OC

_SY

SR

ST

OC_FLMDO

OC_DCKOC_DMS

OC_DDOOC_DDI

PRODDC1

PRODDC2

PRODDC3

PRODDC4

PROEP1

PROEP2

PROEP3

PROEP4

HDMSDAHDMSCL

MU

TE

_RX

2

INPSEL

RST_TX2

HP

D

HP

D2

RS

T_R

XS

W0

RS

T_R

XS

W1

TM

DS

_S3

RST_TX

RST_RXRST_RX2

PC

MLR

CK

PC

MB

CK

PC

MS

BLR

PC

MS

LRP

CM

CS

W

PC

MLR

MC

K_H

DM

IH

DM

ISP

F

TX

_BLN

KT

X_H

SY

NC

TX

_VS

YN

C

CEC

INT

_TX

SDAODDC

DS

CL1

R0P

WR

5VR

1PW

R5V

DS

DA

0D

SC

L0

MC

K_H

DM

I

PC

MB

CK

PC

MLR

PC

MS

LRP

CM

CS

WP

CM

SB

LRP

CM

LRC

K

HD

MIS

PF

MU

TE

_RX

RS

T_R

X

INT

_RX

+5V

HD

R0XCPR0XCN

R0X0NR0X0P

R0X1PR0X1N

R0X2NR0X2P

R1XCNR1XCP

R1X2NR1X2P

R1X1NR1X1P

R1X0NR1X0P

RX

_VS

YN

CR

X_H

SY

NC

RX

_BLN

K

RX

_CB

0R

X_C

B1

RX

_CB

2R

X_C

B3

RX

_CB

4R

X_C

B5

RX

_CB

6R

X_C

B7

RX

_PIX

CLK

RX

_CB

8R

X_C

B9

RX

_CB

10R

X_C

B11

RX_Y0RX_Y1RX_Y2RX_Y3

RX_Y4RX_Y5RX_Y6RX_Y7

RX_Y8RX_Y9RX_Y10RX_Y11

RX_CR0RX_CR1RX_CR2RX_CR3

RX_CR4RX_CR5RX_CR6RX_CR7

RX_CR8RX_CR9RX_CR10RX_CR11

+3_

3VH

D1

AV

CC

18 AV

CC

33 DRST

FS

O/T

XD

FSO/TXD

FSI/RXD

FS

I/RX

D

SCL_TX

TX1+

SD

A_R

XS

CK

_RX

DS

DA

1

+3.3VMPU

FCLK

HS

FWFLMD0

FWRESET

FSI/RXDFSO/TXD

+3_3VHD1

VM

_RS

T

SDAODDC

+12V

TO SD-17:E5TMDS/DDC DATA

TO SD-19:H5DIGITAL_AUDIO_DATA

TO PART25 DIGITAL AUDIO DATA

TO SD-17:F5 SD-19:H5

VIDEO MPU_SYSCPU

TO SD-19:B3DIGITAL VIDEO DATA

RX[Y,CB,CR0:11]

TO SD-19:D4DIGITAL_VIDEO_DATA TX[Y,CB,CR0:11]

HD

MI O

UT

MA

IN

VIDEO MPU

HDMI RX

HDMI TX OUT1

C8706

105Z

C87

07

105Z

C87

01

105Z

C87

09

220/

4

C87

02

105Z

C87

1010

5Z

R87340

R87

1922

R87

2022

R87

2122

R87

0710

K

R87330R873222

R87

6122

R87

5910

K

R87

6010

K

R875222X4

R87

354.

7K

R8738

47K

R877010kX4

R876910kX4

R87

1622

R87

1733

R8747

22

R8741 10KR8748

22

R87

37

4.7K

R8726

2.2KX4

R87

58 22

R8728 22

R87

18

22

R87

6610

kX4

R8745 22

R875322X4

C87

0810

5Z

R87

65

10K

R875010kX4

R83

244.7K

C8414105Z

C8413102J

C8412

105Z

R8334

2.2K

R8335

2.2K

C840122/4

C8410105Z

C8411102J

C840222/4

R842522

C8424105Z

C8425

102J

C84

2210

5Z

C84

2310

2J

R842322X4

R842222X4

R842122X4

R842022X4

R84

0522

C84

2610

5Z

C84

2710

2J

R84

02

22

C840922/4

C840822/4

C8417105Z

C8416102J

C8419102J

R84

0422

L8405

C83

2910

5Z

C8330105Z

C8415

102J

L840

3B

LM21

PG

221

+3_3VHD1

Q8306

TC7SZ08FU orNC7SZ08P5X

1INA

2INB

3GND

4OUTY

5VCC

C8676

105Z

+5VHD

C8675

100/4

C84

3110

2J

C84

3210

5Z

C8435

105Z

L840

8

BLM

21P

G22

1

C84

0410

2JC

8403

105Z

C84

0510

5Z

R842422X4

R84

314.

7K

C841822/4

C8420105Z

R84

3222

L8404

BLM21PG221

BLM21PG221

R84

03

22X

4

C84

2910

2JC

8430

105Z

C8421102J

C8407100D

C8428 105Z

D83011SS226

R83

25

47K R

8326

47K

R84

1922

X4

R84

1822

X4

R84

1722

X4

R84

1622

X4

C84

3310

2JC

8434

105Z

C8348

102J

C84

4110

5Z

C84

4210

5Z

C84

4322

0/4

C84

44

105Z

R84

42 1K

C84

0610

2J R84

0622

X4

R84

4322

Q8405

SN74CB3Q3305PWR

1 1OE2 1A3 1B4

GND 52A

62B

72OE

8VCC

L840

1

Q83

09

UM6K1N

L8402

BLM

21P

G22

1

BLM21PG221

+3_3VHD1

C83

2610

5Z

R83

2310

K

C83

2710

5ZC83

2822

/16

C8399

102J

R8429 22

C87

044.

7/50

C87

0310

5Z

R87

0610

K

C87

05

C8705105Z

R87

080

R8444

0

P83

02

1D2+

2D2 Shield

3D2-

4D1+

5D1 Shield

6D1-

7D0+

8D0 Shield

9D0-

10CK+

11CK Shield

12CK-

13CERemote

14NC

15DDC CLK

16DDC DATA

17GND

18+5V

19HP DET

20 22S

hiel

d23

Shi

eld

21

Q85

95B

A18

BC

0FP

2G

1I

3O

R84

0122

X4

R84

114.

7K

R87

3010

K

R8746

10K

R874922X4

L8701

LBC2518T220M

R87

51

10K

R8762 10K

X87

01

X8701

CSTCR5M00G53-B0

Q8401Sil9134

76CVCC18

77D18

78D16

79D17

80D15

81D14

82D13

83D12

84D11

85D10

86D9

87GND

88IDCK

89IOVCC33

90D8

91D7

92D6

93D5

94D4

95D3

96D2

97D1

98D0

99CVCC18

100GND

101Pad

1D

E2

HS

YN

C3

VS

YN

C4

SP

DIF

5M

CLK

6S

D3

7S

D2

8S

D1

9S

D0

10W

S11

SC

K12

CV

CC

1813

GN

D14

IOV

CC

3315

DC

LK16

DR

017

DL0

18D

R1

19D

L120

DR

221

DL2

22D

R3

23D

L324

INT

25R

ES

ET

26AGND

27EXT_SWG

28PVCC1

29AGND

30TXC-

31TXC+

32AVCC18

33TX0-

34TX0+

35AGND

36TX1-

37TX1+

38AVCC18

39TX2-

40TX2+

41AGND

42PVCC2

43AGND

44AVCC33

45DDCPWR5V

46DSCL

47DSDA

48CSCL

49CSDA

50CI2CA

51H

PD

52T

MO

DE

53IO

VC

C33

54G

ND

55V

PP

18

56D

35

57D

34

58D

33

59D

32

60D

31

61D

30

62D

29

63D

28

64C

VC

C18

65G

ND

66IO

VC

C33

67D

27

68D

26

69D

25

70D

24

71D

23

72D

22

73D

21

74D

20

75D

19

R87

1310

K

R87

1410

K

Q8404XC6213B182M

1VIN

2VSS

3CE 4NC

5VOUT

R87

444.

7K

D8302

R84

0722

X4

R87

1010

K

R87

2210

K

R87

2910

K

R84

094.

7K

D83

03

C8602

100/4

C850222/4

C85

4410

5Z

C85

4210

5Z

C85

4010

5Z

C85

3810

5Z

C85

3610

5Z

C85

3410

5Z

C85

3210

5Z

C85

3010

5Z

C85

3110

2K

C85

3310

2K

C85

3510

2K

C85

3710

2K

C85

4610

5Z

C85

3910

2K

C85

4110

2K

C85

4310

2K

C85

4510

2K

C85

4710

2K

C85

2922

/4

R85

06 12

R85

24

33

C85

7310

5Z

C85

7210

2K

C85

7010

5Z

C85

6822

/4

R85

2333

R85

2033

L860

8

BK

1608

LL24

1

R85

19

47

R85

18

4.7K

R85

1710

0R

8516

100

C85

6710

5Z

C85

6522

/4

R8514 4.7K

C85

7122

/4

C8501105Z

R85

15

4.7K

C8601

105Z

C8503102K

C8506105Z

C850522/4

C8504102K

C8605 220/4

C8604 105Z

C85

6610

2K

R85

0533

X4

R85

0733

X4

R850833X4

R850933X4

R8510

33X4

R851133X4

C85

2210

5Z

C85

2410

5Z

C85

2110

2K

C85

2310

2K

R85

2133

X4

R85

2233

C85

6310

2K

C85

6110

2K

C85

5910

2K

C85

5510

2K

C85

5110

2K

C85

4910

2KC

8548

105Z

C85

5010

5Z

C85

5210

5Z

C85

5410

5Z

C85

5610

5Z

C85

5810

5Z

C85

6010

5Z

C85

6210

5Z

R851233X4

R851333X4

C856422/4

C85

5710

2K

C85

5310

2K

+3_3VHD1

L850

1B

LM21

PG

221

+3_3VHD1

L8504BLM21PG221

C85

69 102K

C8687

105Z

L8503

BLM21PG221L850

2B

LM21

PG

221

Q85

02

XC

6213

B33

2M

1V

IN2

VS

S3

CE

4N

C

5V

OU

T

+1_8VHD2

+5VHD

R86331K

C86

09

100/

4

L8607BLM21PG221

L8604BLM21PG221

L851

0B

LM21

PG

221

C85

0810

5Z

C85

1010

5Z

C85

1210

5Z

C85

0910

2K

C85

1110

2K

C85

1410

5Z

C85

1610

5Z

C85

1310

2K

C85

1510

2K

C85

1710

2KC

8518

105Z

C85

1910

2KC

8520

105Z

C85

0710

2K

R85

0433

X4

R85

0333

X4

R87

36

22X

4

R87

1522

R87

6310

KX

4

Q8501

SII9135

37AVCC18

38AVCC33

39 R0XC-40 R0XC+41 AGND42

AVCC3343 R0X0-44 R0X0+45 AGND46

AVCC3347 R0X1-48 R0X1+49 AGND50

AVCC3351 R0X2-52 R0X2+53 AGND54

AVCC1855

RSVDNC56

AVCC3357

R1XC-58

R1XC+59

AGND60

AVCC3361

R1X0-62

R1X0+63

AGND64

AVCC3365

R1X1-66

R1X1+67

AGND68

AVCC3369

R1X2-70

R1X2+71

AGND72

AVCC18

73IO

GN

D74

IOV

CC

3375

MU

TE

OU

T76

RS

VD

NC

77R

SV

DN

C78

SP

DIF

79C

GN

D80

CV

CC

1881

SD

082

SD

183

SD

284

SD

385

WS

86S

CK

87IO

GN

D88

IOV

CC

3389

MC

LK90

CG

ND

91C

VC

C18

92D

VC

C18

93D

GN

D94

XT

ALO

UT

95X

TA

LIN

96X

TA

LVC

C97

RE

GV

CC

98R

SV

DN

C99

RS

VD

L10

0R

ES

ET

#10

1S

CD

T10

2IN

T10

3IO

GN

D10

4IO

VC

C33

105

CI2

CA

106

CG

ND

107

CV

CC

1810

8Q

35

109Q34

110Q33

111Q32

112IOGND

113IOVCC33

114Q31

115Q30

116Q29

117Q28

118CGND

119CVCC18

120Q27

121Q26

122Q25

123Q24

124IOGND

125IOVCC33

126Q23

127Q22

128Q21

129Q20

130CGND

131CVCC18

132Q19

133Q18

134Q17

135Q16

136IOGND

137IOVCC33

138Q15

139Q14

140Q13

141Q12

142CGND

143CVCC18

144Q11

145ePAD

1Q

10

2Q

9

3Q

8

4IO

GN

D

5O

DC

LK

6IO

VC

C33

7Q

7

8Q

6

9Q

5

10Q

4

11C

GN

D

12C

VC

C18

13Q

3

14Q

2

15Q

1

16Q

0

17IO

GN

D

18IO

VC

C33

19D

E

20H

SY

NC

21V

SY

NC

22E

VN

OD

D

23C

GN

D

24C

VC

C18

25C

VC

C18

26C

SD

A

27C

SC

L

28D

SD

A1

29D

SC

L1

30R

1PW

R5V

31IO

GN

D

32IO

VC

C33

33D

SD

A0

34D

SC

L0

35R

0PW

R5V

36A

GN

D

C85

75

120J

C85

74

120J

R86621M

R86

6356

0

X8501

28.322MHz

R8410680F

L8406

MNR12E0APJ000

L8407MNR12E0APJ000

L8400

MNR12E0APJ000

L8409

MNR12E0APJ000

Q85

96B

A18

BC

0FP

1I

2G

3O

Q8597

BA18BC0FP

3O

2G

1I

Q8701

MPD70F3716GC-8EA

76PDL5/FLMD1

77PDL6/AD6

78PDL7/AD7

79PDL8/AD8

80PDL9/AD9

81PDL10/AD10

82PDL11/AD11

83PDL12/AD12

84PDL13/AD13

85PDL14/AD14

86PDL15/AD15

87PDH0/A16

88PDH1/A17

89P711/ANI11

90P710/ANI10

91P79/ANI9

92P78/ANI8

93P77/ANI7

94P76/ANI6

95P75/ANI5

96P74/ANI4

97P73/ANI3

98P72/ANI2

99P71/ANI1

100P70/ANI0

1

1:A

VR

EF

0

2

2:A

VS

S0

3P

10/A

NO

04

P11

/AN

O1

5A

VR

EF

16

PD

H4/

A20

7P

DH

5/A

218

FLM

D0

9V

DD

010

RE

GC

11V

SS

012

X1

13X

214

RE

SE

T15

XT

116

XT

217

P02

/NM

I18

P04

/INT

P0

19P

04/IN

TP

120

P05

/INT

P2/

_21

P06

/INT

P3

22P

P40

/SD

A01

23P

41/S

CL0

124

P42

25P

30T

XD

A0

26

26:P31/RXDA0

27

27:P32/ASCKA0

28P33

29P34

30P35

31P36

32P37

33EVSS

34EVDD

35P38/SDA00

36P39/SCL00

37P50

38P51

39P52/DDI

40P53/DDO

41P54/DCK

42P55/DMS

43P90/SDA02

44P91/SCL02

45P92/A2

46P93/A3

47P94/A4

48P95/A5

49

49:P96/A6

50

50:P97/SIB1

51P

98/S

OB

1

52P

99/S

CK

B1

53P

910/

SIB

3

54P

911/

SO

B3

55P

912/

_SC

KB

3

56P

913/

INT

P4

57P

914/

INT

P5

58P

915/

INT

P6

59P

DH

12/A

18

60P

HD

3/A

19

61P

CM

0/_W

AIT

62P

CM

1/C

LKO

UT

63P

CM

2/_H

LDA

K

64P

CM

3/_H

LDR

Q

65P

CT

0/_W

RO

66P

CT

1/_W

R1

67P

CT

4/_R

D

68P

CT

6/A

ST

B

69B

VS

S

70B

VD

D

71P

DL0

/AD

0

72P

DL1

/AD

1

73

73:P

DL2

/AD

2

74

74:P

DL3

/AD

3

75

75:P

DL4

/AD

4

R87

014.

7K

R87

034.

7K

C86

08

105Z

P87

02

12345678

FLA

SH

WR

ITE

R

(P87

03)1

23456789

JTA

G

R862947K

R8630

47K

47K

R863147K

R8632

R87

12

2.2K

R87

112.

2K

D87

011S

S35

5

R872710KX4

R87232.2KX4

Q83

05S

-812

C50

BU

C

5N

C

4S

W3

GN

D

2IN

1O

UT

R8341

47

U42 HDMI PC BOARD

NAHDM-9114(4/5)

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

+3.3V

+1.8V

+1.8V

+1.8V

+5.0V

+3.3V

+3.3V+3.3V

+3.3V

+1.8V

+1.8V

+1.8V

+3.3V

+3.3V

+3.3V

+3.

3V

+1.

8V

+3.3V

+3.3V

+3.3V

+3.3V

+1.8V

+3.3V

+5.0V

+1.8V +3.3V

SN74CB3Q3305PWR

11OE21A31B4GND 5 2A

6 2B

7 2OE

8 VCC

WF41

WF41

WF41

WF42

<Note>Refer to SCHEMATIC DIAGRAM-29 (SD-29)for HDMI signal waveforms.

Page 44: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-18 (SD-18) HDMI SECTION-4

A

1

2

3

4

5

B C D E F G H

INT

_TX

INT

_RX

MU

TE

_RX

VM_STB

+3_3VHD1

MO

DE

TX

MO

DE

RX

SDADDC3

SCLDDC2

SDADDC1

SDAODDC2SCLODDC2

SCLODDC

SCLDDC4SDADDC4

SDADDC2SCLDDC1

SDA_TX

SD

A_R

XS

CK

_RX

RX

MU

TE

SCLDDC3

HS

MO

DE

RX

2

VD

LOC

K

VM

SC

KV

M_S

DI

VM

SD

O

NO

INT

L60

NO

INT

L50

R2HPR

HDMI_POW

R3HPR

R1HPR

R4HPR

FC

LK

RS

T_T

X

SDA_TX

SCL_TX

SCLODDC

+5VHD

TX2+

TX0+

TXC-

TX1-

TX0-TXC+

TX2-

HPD

HP

D

CEC_IO

+1_

8VH

D3

+3_

3VH

D1

HDMI_POW

TX

_CR

0T

X_C

R1

TX

_CR

2T

X_C

R3

TX

_CR

4T

X_C

R5

TX

_CR

6T

X_C

R7

TX

_CR

8T

X_C

R9

TX

_CR

10T

X_C

R11

TX

_Y9

TX

_Y10

TX

_Y11

TX_Y8TX_Y7TX_Y6TX_Y5TX_Y4TX_Y3TX_Y2TX_Y1TX_Y0

TX_CB10TX_CB9

TX_CB8TX_CB7TX_CB6TX_CB5TX_CB4TX_CB3TX_CB2TX_CB1TX_CB0

TX_PIXCLK

TX_CB11

TX

_MU

TE

SDAODDCSCLODDC

OC

_SY

SR

ST

OC_FLMDO

OC_DCKOC_DMS

OC_DDOOC_DDI

PRODDC1

PRODDC2

PRODDC3

PRODDC4

PROEP1

PROEP2

PROEP3

PROEP4

HDMSDAHDMSCL

MU

TE

_RX

2

INPSEL

RST_TX2

HP

D

HP

D2

RS

T_R

XS

W0

RS

T_R

XS

W1

TM

DS

_S3

RST_TX

RST_RXRST_RX2

PC

MLR

CK

PC

MB

CK

PC

MS

BLR

PC

MS

LRP

CM

CS

W

PC

MLR

MC

K_H

DM

IH

DM

ISP

F

TX

_BLN

KT

X_H

SY

NC

TX

_VS

YN

C

CEC

INT

_TX

SDAODDC

DS

CL1

R0P

WR

5VR

1PW

R5V

DS

DA

0D

SC

L0

MC

K_H

DM

I

PC

MB

CK

PC

MLR

PC

MS

LRP

CM

CS

WP

CM

SB

LRP

CM

LRC

K

HD

MIS

PF

MU

TE

_RX

RS

T_R

X

INT

_RX

+5V

HD

R0XCPR0XCN

R0X0NR0X0P

R0X1PR0X1N

R0X2NR0X2P

R1XCNR1XCP

R1X2NR1X2P

R1X1NR1X1P

R1X0NR1X0P

RX

_VS

YN

CR

X_H

SY

NC

RX

_BLN

K

RX

_CB

0R

X_C

B1

RX

_CB

2R

X_C

B3

RX

_CB

4R

X_C

B5

RX

_CB

6R

X_C

B7

RX

_PIX

CLK

RX

_CB

8R

X_C

B9

RX

_CB

10R

X_C

B11

RX_Y0RX_Y1RX_Y2RX_Y3

RX_Y4RX_Y5RX_Y6RX_Y7

RX_Y8RX_Y9RX_Y10RX_Y11

RX_CR0RX_CR1RX_CR2RX_CR3

RX_CR4RX_CR5RX_CR6RX_CR7

RX_CR8RX_CR9RX_CR10RX_CR11

+3_

3VH

D1

AV

CC

18 AV

CC

33 DRST

FS

O/T

XD

FSO/TXD

FSI/RXD

FS

I/RX

D

SCL_TX

TX1+

SD

A_R

XS

CK

_RX

DS

DA

1

+3.3VMPU

FCLK

HS

FWFLMD0

FWRESET

FSI/RXDFSO/TXD

+3_3VHD1

VM

_RS

T

SDAODDC

+12V

TO SD-17:E5TMDS/DDC DATA

TO SD-19:H5DIGITAL_AUDIO_DATA

TO PART25 DIGITAL AUDIO DATA

TO SD-17:F5 SD-19:H5

VIDEO MPU_SYSCPU

TO SD-19:B3DIGITAL VIDEO DATA

RX[Y,CB,CR0:11]

TO SD-19:D4DIGITAL_VIDEO_DATA TX[Y,CB,CR0:11]

HD

MI O

UT

MA

IN

VIDEO MPU

HDMI RX

HDMI TX OUT1

C8706

105Z

C87

07

105Z

C87

01

105Z

C87

09

220/

4

C87

02

105Z

C87

1010

5Z

R87340

R87

1922

R87

2022

R87

2122

R87

0710

K

R87330R873222

R87

6122

R87

5910

K

R87

6010

K

R875222X4

R87

354.

7K

R8738

47K

R877010kX4

R876910kX4

R87

1622

R87

1733

R8747

22

R8741 10KR8748

22

R87

37

4.7K

R8726

2.2KX4

R87

58 22

R8728 22

R87

18

22

R87

6610

kX4

R8745 22

R875322X4

C87

0810

5Z

R87

65

10K

R875010kX4

R83

244.7K

C8414105Z

C8413102J

C8412

105Z

R8334

2.2K

R8335

2.2K

C840122/4

C8410105Z

C8411102J

C840222/4

R842522

C8424105Z

C8425

102J

C84

2210

5Z

C84

2310

2J

R842322X4

R842222X4

R842122X4

R842022X4

R84

0522

C84

2610

5Z

C84

2710

2J

R84

02

22

C840922/4

C840822/4

C8417105Z

C8416102J

C8419102J

R84

0422

L8405

C83

2910

5Z

C8330105Z

C8415

102J

L840

3B

LM21

PG

221

+3_3VHD1

Q8306

TC7SZ08FU orNC7SZ08P5X

1INA

2INB

3GND

4OUTY

5VCC

C8676

105Z

+5VHD

C8675

100/4

C84

3110

2J

C84

3210

5Z

C8435

105Z

L840

8

BLM

21P

G22

1

C84

0410

2JC

8403

105Z

C84

0510

5Z

R842422X4

R84

314.

7K

C841822/4

C8420105Z

R84

3222

L8404

BLM21PG221

BLM21PG221

R84

03

22X

4

C84

2910

2JC

8430

105Z

C8421102J

C8407100D

C8428 105Z

D83011SS226

R83

25

47K R

8326

47K

R84

1922

X4

R84

1822

X4

R84

1722

X4

R84

1622

X4

C84

3310

2JC

8434

105Z

C8348

102J

C84

4110

5Z

C84

4210

5Z

C84

4322

0/4

C84

44

105Z

R84

42 1K

C84

0610

2J R84

0622

X4

R84

4322

Q8405

SN74CB3Q3305PWR

1 1OE2 1A3 1B4

GND 52A

62B

72OE

8VCC

L840

1

Q83

09

UM6K1N

L8402

BLM

21P

G22

1

BLM21PG221

+3_3VHD1

C83

2610

5Z

R83

2310

K

C83

2710

5ZC83

2822

/16

C8399

102J

R8429 22

C87

044.

7/50

C87

0310

5Z

R87

0610

K

C87

05

C8705105Z

R87

080

R8444

0

P83

02

1D2+

2D2 Shield

3D2-

4D1+

5D1 Shield

6D1-

7D0+

8D0 Shield

9D0-

10CK+

11CK Shield

12CK-

13CERemote

14NC

15DDC CLK

16DDC DATA

17GND

18+5V

19HP DET

20 22S

hiel

d23

Shi

eld

21

Q85

95B

A18

BC

0FP

2G

1I

3O

R84

0122

X4

R84

114.

7K

R87

3010

KR8746

10K

R874922X4

L8701

LBC2518T220M

R87

51

10K

R8762 10K

X87

01

X8701

CSTCR5M00G53-B0

Q8401Sil9134

76CVCC18

77D18

78D16

79D17

80D15

81D14

82D13

83D12

84D11

85D10

86D9

87GND

88IDCK

89IOVCC33

90D8

91D7

92D6

93D5

94D4

95D3

96D2

97D1

98D0

99CVCC18

100GND

101Pad

1D

E2

HS

YN

C3

VS

YN

C4

SP

DIF

5M

CLK

6S

D3

7S

D2

8S

D1

9S

D0

10W

S11

SC

K12

CV

CC

1813

GN

D14

IOV

CC

3315

DC

LK16

DR

017

DL0

18D

R1

19D

L120

DR

221

DL2

22D

R3

23D

L324

INT

25R

ES

ET

26AGND

27EXT_SWG

28PVCC1

29AGND

30TXC-

31TXC+

32AVCC18

33TX0-

34TX0+

35AGND

36TX1-

37TX1+

38AVCC18

39TX2-

40TX2+

41AGND

42PVCC2

43AGND

44AVCC33

45DDCPWR5V

46DSCL

47DSDA

48CSCL

49CSDA

50CI2CA

51H

PD

52T

MO

DE

53IO

VC

C33

54G

ND

55V

PP

18

56D

35

57D

34

58D

33

59D

32

60D

31

61D

30

62D

29

63D

28

64C

VC

C18

65G

ND

66IO

VC

C33

67D

27

68D

26

69D

25

70D

24

71D

23

72D

22

73D

21

74D

20

75D

19

R87

1310

K

R87

1410

K

Q8404XC6213B182M

1VIN

2VSS

3CE 4NC

5VOUT

R87

444.

7K

D8302

R84

0722

X4

R87

1010

K

R87

2210

K

R87

2910

K

R84

094.

7K

D83

03

C8602

100/4

C850222/4

C85

4410

5Z

C85

4210

5Z

C85

4010

5Z

C85

3810

5Z

C85

3610

5Z

C85

3410

5Z

C85

3210

5Z

C85

3010

5Z

C85

3110

2K

C85

3310

2K

C85

3510

2K

C85

3710

2K

C85

4610

5Z

C85

3910

2K

C85

4110

2K

C85

4310

2K

C85

4510

2K

C85

4710

2K

C85

2922

/4

R85

06 12

R85

24

33

C85

7310

5Z

C85

7210

2K

C85

7010

5Z

C85

6822

/4

R85

2333

R85

2033

L860

8

BK

1608

LL24

1

R85

19

47

R85

18

4.7K

R85

1710

0R

8516

100

C85

6710

5Z

C85

6522

/4

R8514 4.7K

C85

7122

/4

C8501105Z

R85

15

4.7K

C8601

105Z

C8503102K

C8506105Z

C850522/4

C8504102K

C8605 220/4

C8604 105Z

C85

6610

2K

R85

0533

X4

R85

0733

X4

R850833X4

R850933X4

R8510

33X4

R851133X4

C85

2210

5Z

C85

2410

5Z

C85

2110

2K

C85

2310

2K

R85

2133

X4

R85

2233

C85

6310

2K

C85

6110

2K

C85

5910

2K

C85

5510

2K

C85

5110

2K

C85

4910

2KC

8548

105Z

C85

5010

5Z

C85

5210

5Z

C85

5410

5Z

C85

5610

5Z

C85

5810

5Z

C85

6010

5Z

C85

6210

5Z

R851233X4

R851333X4

C856422/4

C85

5710

2K

C85

5310

2K

+3_3VHD1

L850

1B

LM21

PG

221

+3_3VHD1

L8504BLM21PG221

C85

69 102K

C8687

105Z

L8503

BLM21PG221L850

2B

LM21

PG

221

Q85

02

XC

6213

B33

2M

1V

IN2

VS

S3

CE

4N

C

5V

OU

T

+1_8VHD2

+5VHD

R86331K

C86

09

100/

4

L8607BLM21PG221

L8604BLM21PG221

L851

0B

LM21

PG

221

C85

0810

5Z

C85

1010

5Z

C85

1210

5Z

C85

0910

2K

C85

1110

2K

C85

1410

5Z

C85

1610

5Z

C85

1310

2K

C85

1510

2K

C85

1710

2KC

8518

105Z

C85

1910

2KC

8520

105Z

C85

0710

2K

R85

0433

X4

R85

0333

X4

R87

36

22X

4

R87

1522

R87

6310

KX

4

Q8501

SII9135

37AVCC18

38AVCC33

39 R0XC-40 R0XC+41 AGND42

AVCC3343 R0X0-44 R0X0+45 AGND46

AVCC3347 R0X1-48 R0X1+49 AGND50

AVCC3351 R0X2-52 R0X2+53 AGND54

AVCC1855

RSVDNC56

AVCC3357

R1XC-58

R1XC+59

AGND60

AVCC3361

R1X0-62

R1X0+63

AGND64

AVCC3365

R1X1-66

R1X1+67

AGND68

AVCC3369

R1X2-70

R1X2+71

AGND72

AVCC18

73IO

GN

D74

IOV

CC

3375

MU

TE

OU

T76

RS

VD

NC

77R

SV

DN

C78

SP

DIF

79C

GN

D80

CV

CC

1881

SD

082

SD

183

SD

284

SD

385

WS

86S

CK

87IO

GN

D88

IOV

CC

3389

MC

LK90

CG

ND

91C

VC

C18

92D

VC

C18

93D

GN

D94

XT

ALO

UT

95X

TA

LIN

96X

TA

LVC

C97

RE

GV

CC

98R

SV

DN

C99

RS

VD

L10

0R

ES

ET

#10

1S

CD

T10

2IN

T10

3IO

GN

D10

4IO

VC

C33

105

CI2

CA

106

CG

ND

107

CV

CC

1810

8Q

35

109Q34

110Q33

111Q32

112IOGND

113IOVCC33

114Q31

115Q30

116Q29

117Q28

118CGND

119CVCC18

120Q27

121Q26

122Q25

123Q24

124IOGND

125IOVCC33

126Q23

127Q22

128Q21

129Q20

130CGND

131CVCC18

132Q19

133Q18

134Q17

135Q16

136IOGND

137IOVCC33

138Q15

139Q14

140Q13

141Q12

142CGND

143CVCC18

144Q11

145ePAD

1Q

10

2Q

9

3Q

8

4IO

GN

D

5O

DC

LK

6IO

VC

C33

7Q

7

8Q

6

9Q

5

10Q

4

11C

GN

D

12C

VC

C18

13Q

3

14Q

2

15Q

1

16Q

0

17IO

GN

D

18IO

VC

C33

19D

E

20H

SY

NC

21V

SY

NC

22E

VN

OD

D

23C

GN

D

24C

VC

C18

25C

VC

C18

26C

SD

A

27C

SC

L

28D

SD

A1

29D

SC

L1

30R

1PW

R5V

31IO

GN

D

32IO

VC

C33

33D

SD

A0

34D

SC

L0

35R

0PW

R5V

36A

GN

D

C85

75

120J

C85

74

120J

R86621M

R86

6356

0

X8501

28.322MHz

R8410680F

L8406

MNR12E0APJ000

L8407MNR12E0APJ000

L8400

MNR12E0APJ000

L8409

MNR12E0APJ000

Q85

96B

A18

BC

0FP

1I

2G

3O

Q8597

BA18BC0FP

3O

2G

1I

Q8701

MPD70F3716GC-8EA

76PDL5/FLMD1

77PDL6/AD6

78PDL7/AD7

79PDL8/AD8

80PDL9/AD9

81PDL10/AD10

82PDL11/AD11

83PDL12/AD12

84PDL13/AD13

85PDL14/AD14

86PDL15/AD15

87PDH0/A16

88PDH1/A17

89P711/ANI11

90P710/ANI10

91P79/ANI9

92P78/ANI8

93P77/ANI7

94P76/ANI6

95P75/ANI5

96P74/ANI4

97P73/ANI3

98P72/ANI2

99P71/ANI1

100P70/ANI0

1

1:A

VR

EF

0

2

2:A

VS

S0

3P

10/A

NO

04

P11

/AN

O1

5A

VR

EF

16

PD

H4/

A20

7P

DH

5/A

218

FLM

D0

9V

DD

010

RE

GC

11V

SS

012

X1

13X

214

RE

SE

T15

XT

116

XT

217

P02

/NM

I18

P04

/INT

P0

19P

04/IN

TP

120

P05

/INT

P2/

_21

P06

/INT

P3

22P

P40

/SD

A01

23P

41/S

CL0

124

P42

25P

30T

XD

A0

26

26:P31/RXDA0

27

27:P32/ASCKA0

28P33

29P34

30P35

31P36

32P37

33EVSS

34EVDD

35P38/SDA00

36P39/SCL00

37P50

38P51

39P52/DDI

40P53/DDO

41P54/DCK

42P55/DMS

43P90/SDA02

44P91/SCL02

45P92/A2

46P93/A3

47P94/A4

48P95/A5

49

49:P96/A6

50

50:P97/SIB1

51P

98/S

OB

1

52P

99/S

CK

B1

53P

910/

SIB

3

54P

911/

SO

B3

55P

912/

_SC

KB

3

56P

913/

INT

P4

57P

914/

INT

P5

58P

915/

INT

P6

59P

DH

12/A

18

60P

HD

3/A

19

61P

CM

0/_W

AIT

62P

CM

1/C

LKO

UT

63P

CM

2/_H

LDA

K

64P

CM

3/_H

LDR

Q

65P

CT

0/_W

RO

66P

CT

1/_W

R1

67P

CT

4/_R

D

68P

CT

6/A

ST

B

69B

VS

S

70B

VD

D

71P

DL0

/AD

0

72P

DL1

/AD

1

73

73:P

DL2

/AD

2

74

74:P

DL3

/AD

3

75

75:P

DL4

/AD

4

R87

014.

7K

R87

034.

7K

C86

08

105Z

P87

02

12345678

FLA

SH

WR

ITE

R

(P87

03)1

23456789

JTA

G

R862947K

R8630

47K

47K

R863147K

R8632

R87

12

2.2K

R87

112.

2K

D87

011S

S35

5

R872710KX4

R87232.2KX4

Q83

05S

-812

C50

BU

C

5N

C

4S

W3

GN

D

2IN

1O

UT

R8341

47

U42 HDMI PC BOARD

NAHDM-9114(4/5)

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

+3.3V

+1.8V

+1.8V

+1.8V

+5.0V

+3.3V

+3.3V+3.3V

+3.3V

+1.8V

+1.8V

+1.8V

+3.3V

+3.3V

+3.3V

+3.

3V

+1.

8V

+3.3V

+3.3V

+3.3V

+3.3V

+1.8V

+3.3V

+5.0V

+1.8V +3.3V

SN74CB3Q3305PWR

11OE21A31B4GND 5 2A

6 2B

7 2OE

8 VCC

WF41

WF41

WF41

WF42

<Note>Refer to SCHEMATIC DIAGRAM-29 (SD-29)for HDMI signal waveforms.

Page 45: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-19 (SD-19) HDMI SECTION-5

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

VS

VP

17V

P16

VP15VP14

VP13VP12

+1_8VDEC

PV

DD

VP09VP08

VP29

VP10VP11

DVDD

HC/CS

S4

S3

S2

S1

CK

_IN

1

PC

5

PC

2

CV5P0

VP

07V

P06

VP

05

VP

27

VP

03V

P02

VP

01V

P00

LLC

INT

_VS

YN

C

RT

C

OERXTH

OEDEC

VICLK1

VCTL3P3

VCTL2P5

+12V

+12V

+12V

VIV

SV

IHS

2_5V

HD

OERX

VP28

VIDAT19VIDAT18

VP17 VIDAT17VP16

VS

HC/CS

VIDAT16

VIFLD1VIVS1

VIHS1VP15VP14

VIDAT15VIDAT14

VP13 VIDAT13

VIDAT12VP12VP29 VIDAT29

VIDAT28VP28VIDEN1

LLC

VP18

VP19 S9VP18 S8

VP17 S7VP16 S6

FIELD/DEVS VIVS

HC/CS VIHSVP15VP14

S5S4

VP13 S3

VP12 S2

OEDECTH

OETX

VIDEN1

VIDAT0

VIDAT2VIDAT3

VIDAT1

VIDAT4VIDAT5

VIDAT26VIDAT27

VIDAT29

VIDAT21VIDAT22

VIDAT23VIDAT24VIDAT25

VIDAT8VIDAT9

VIDAT10VIDAT11

VIDAT18VIDAT17

VIDAT12VIDAT13

VIDAT14VIDAT15

VIDAT16

VIDAT28

VIDAT19

RX_CB5

RX_CR11RX_CR10

RX_CR9RX_CR8

RX_CR7RX_CR6RX_CR5

RX_CR4RX_CR3RX_CR2RX_CR1RX_CR0RX_Y11

RX_Y10RX_Y9RX_Y8

RX_Y7RX_Y6

RX_CB1

RX_CB0RX_BLNK

RX_CB2RX_CB3

RX_Y5RX_Y4

RX_Y3RX_Y2

RX_Y0

RX_CB11RX_CB10RX_CB9

RX_CB7RX_CB6

RX_CB4

TX_CR11TX_CR10

TX_CR9TX_CR8

TX_CR7TX_CR6TX_CR5

TX_CR4TX_CR3TX_CR2TX_CR1TX_CR0TX_Y11

TX_Y10TX_Y9TX_Y8

TX_Y7TX_Y6

TX_Y5TX_Y4

TX_CB3TX_CB2TX_CB1

TX_CB0TX_BLNK

TX_Y3TX_Y2

TX_Y1TX_Y0

TX_CB11

TX_CB7TX_CB6TX_CB5TX_CB4

TX_CB10TX_CB9

TX_CB8RX_PIXCLKRX_CB8

VIDAT7

VP02 VIDAT2

VP22VP03

VIDAT22VIDAT3

VP24VP23 VIDAT23

VIDAT24

VP26VP25

VIDAT26VIDAT25

VP04VP05 VIDAT5

VIDAT4

VP06VP07

VIDAT6VIDAT7

VP27VP08

VIDAT27VIDAT8

VP09 VIDAT9

S3

VIVS1VIHS1

TX_VSYNCTX_HSYNC

RX_VSYNCRX_HSYNC

RX_Y1

TX_CR5

VODAT23

VOACT

VOHSVOVS

VOCLK

VODAT0VODAT1

VODAT2VODAT3

VODAT5VODAT4

VODAT6

VODAT7

VODAT9VODAT8

VODAT13VODAT12

VODAT11VODAT10

TX_HSYNCTX_VSYNC

TX_PIXCLK

TX_CR2TX_CR3

TX_CR4

TX_CR6TX_CR7TX_CR8

TX_CR9

TX_CR11TX_CR10

TX_Y5TX_Y4

TX_Y3TX_Y2

VODAT0VODAT1

VODAT2VODAT3

VODAT4VODAT5VODAT6

VODAT7VODAT8VODAT9

OEENDC

OE444

VOHSVOVS

VOACTVOCLK

VODAT29VODAT28VODAT27

VODAT26VODAT25VODAT24

VODAT16VODAT17

VODAT14VODAT15

VODAT13VODAT12

VODAT10VODAT11

S1S0

S2

S4

S6S5

S7

S9S8

CK_IN1

PC8PC9

PC7

PC6

PC4PC3

PC5

PC1PC2

PC0

PY6PY7

PY9PY8

PY4PY5

PY3PY2

PY0PY1

VODAT22VODAT21

VODAT20

VODAT18VODAT19

VIFLD1

VODAT27VODAT28VODAT29

VODAT26VODAT25VODAT24

VODAT22VODAT23

VODAT21

VODAT20VODAT19VODAT18

VODAT16VODAT17

VODAT14VODAT15

TX_CB11TX_CB10TX_CB9

TX_CB8TX_CB7TX_CB6TX_CB5TX_CB4TX_CB3

TX_CB2TX_Y11TX_Y10

TX_Y8TX_Y9

TX_Y6TX_Y7

RTCSFL/SYNCOUT

LLC

VIDAT20

CK_IN1

CK

_IN

1

VIVSVIHS

VIBLANK

VIBLANK

VIB

LAN

K

VIH

SV

IVS

VIB

LAN

K

VSWCLKVSWDO

VSWSTB

OEENDCOE444

OETXOERXTH

+9VSW

VDECRSTVCTL3P3

BOOTOERX

OEDECOEDECTH

VENCRSTVCTL5P0

VCTL2P5

VCTL1P2V

P04

VP

26V

P25

VP

24V

P23

VP

22V

P21

CV

3P3

PC

3P

C4

PC1

VDLOCK

GNDVD

DACSC

DACPR

DACPB

DACPY

GNDVD

GNDVD

GNDVD

GNDVD

GNDVD

GNDVD

GNDVD

GNDVD

GNDVD

GNDVD

PCMBCKPCMLR

PCMLRCKPCMCSWPCMSLRPCMSBLR

HDMISPF

MCK_HDMIGND

GND

GNDHD

YSY

OUT_Y/G

OUT_CR/ROUT_CB/C

SC

L_V

DV

ES

DA

_VD

VE

C

VICLK1VIDAT6

VP

19V

P18

VD

EC

RS

T

VE

NC

RS

T

TX_PIXCLK

TX_BLNK

DACSY

DACCV

RX_VSYNCRX_HSYNC

RX_CB7RX_CB6

RX_CB4RX_CB5

RX_CB2RX_CB3

RX_PIXCLKRX_CB8

RX_CB11RX_CB10

RX_CB9

RX_Y11

RX_Y10RX_Y9RX_Y8

RX_Y7RX_Y6

RX_Y5RX_Y4

RX_Y2RX_Y3

RX_CR2

RX_CR11RX_CR10

RX_CR9RX_CR8

RX_CR7

RX_CR3

RX_CR6RX_CR5

RX_CR4

RESET

VCTL5P0

ADINPB

ADINPR

ADINPY

ADINSC

ADINSY

ADINCVGNDVD

SDA_VDVE

PY

SC

PB

CV

PR

SY

S9

S8

S7

S6

PC

6P

C7

PC

8P

C9

S0

S5

VSPRST

VCTL1P2

+12V

CV1P2

PY0PY1PY2PY3PY4PY5PY6PY7

PY8PY9PC0

CV

3P3

CV

3P3

VP19

CEC_IO

SPFOUT

VMSCKVMSDO

VM_SDIRXMUTEVM_STB

VM_RST

TX_MUTE

VCSDAVSWSTBVSWDOVSWCLK+9VSW

VCSCL

VSPTXD/VSPSDAVSPRXD/VSPSCL

VSPREQVSPRDY

VSPTxD/VSPSDAVSPRxD/VSPSCL

VSPREQVSPRDY

BOOT

SCL_VDVESDA_VDVETWI_SDA_0

TWI_SCL_0

GPIO2GPIO3

GPIO1

RXDBTXDB

RESET

PV

3P3

PV

3P3

PV3P3

GND

+5VHD

DDRV2P5

CV2P5

+5VHD

CV5P0

+3_3VHD1

PV3P3

CV3P3

SCL_VDVE

VDECRST

VCSCL

VCSDA

CV

3P3

GN

D

CV

3P3

CV3P3

GN

D GN

D

VSPRST

VD_OFF

RX_BLNKEVNODD

SFL/SYNCOUT

FIE

LD/D

E

FIELD/DE

/DE

SFL/SYNCOUT

SDA_VDVE

SC

L_V

DV

ES

DA

_VD

VE

SCL_VDVE

DV

DD

IO

/SYNCOUT

TO

SD

-18:

G5

DIG

ITA

L_A

UD

IO_D

AT

A

TO SD-15:C1VODAT[47:0]

TO SD-15:A2DIDAT[59:0]

TO SD-15:A1SYNC SIGNAL INPUT

TO SD-15:C1SYNC SIGAL OUTPUT

TO

SD

-18:

D3

DIG

ITA

L V

IDE

O D

AT

A R

X[Y

,CB

,CR

0:11

]

TO SD-17:H5 & SD-18:G5DIGITAL_VIDEO_DATA

TX[Y,CB,CR0:11]

TO

SD

-18:

H3

VID

EO

MP

U_S

YS

CP

U

SII9135

SII9134

Q8501

U8001VX50

Q8401

POWER SUPPLY&RESET CONTROL

VIDEO DECODER

VIDEO ENCODER

R89

05 22 R89

0747

R89

1922

R89122.7KF

C89

0510

2J

R8908680F

C8916

220/4+

C89

1210

5Z

R89

1722

R8914680FR8913680F

C8910 104K

R89112.7KF

C8908104K

C8909105Z

R8909680F

R8910680F

R89

0622

R8848

68

C8843

100/4

L880

7

L880

7B

K16

08H

S60

1

C88

3510

0/4

C8802

C8802-

C88

1310

4Z

C8822 104Z

R8825 22C8803C8804C8805C8806

C8806104K

C8820

101J

C88

2110

4Z

C8812 104Z

C88

3710

0/4

C8801100/4

R882322X4

R88

20

33K

R8813 2.7KF

C8814 104Z

C88

30

104Z

C88

2610

4Z

C8831 104Z

C8815 104Z

C8816 104Z

R88

3822

X4

C8829

104Z

R88

2622

R883522

R8836 22R8828 22

R88

211.

8K

R883722X4

C88

2510

4Z

C8823104Z

R883422X4

C88

2882

3K

C88

07

104K

C88

1110

/16

+

C8817 10/16+

C8818 10/16+

C88

1010

/16

+

C88

2722

3K

C8931 330/6.3+

C8932 330/6.3+

R88

4122

X4

C8833070D

C8834070D

C88

3610

0/4

C8838470J

C8839470J

C8840470J

C88

1910

2J

R88

141K

C8864 104ZC8866 104Z

C8869 104ZC8865 104ZC8863 104Z

C8867 104ZC8862 104Z

C8861 104Z

C8860 104Z

C89

6810

5Z

C89

72

473Z

C89

7610

5Z

C89

8010

5Z

C89

60

682K

C89

84

105Z

C89

6510

2J

C89

6910

5Z

C89

73

473Z

C89

7710

5Z

C89

81 105Z

C89

85

105Z

C89

66

102J

C89

7010

5Z

C89

74

473Z

C89

7810

5Z

C89

8210

5Z C89

62682K

C89

86

105Z

Q8958DTC144EE

Q8957DTC144EE

Q88

14T

C74

VC

X16

2827

FT

29 2OE230 2D1031 2D932 GND33 2D834 2D735 VCC36 2D637 2D538 2D439 GND40 2D341 2D242 2D143 1D1044 1D945 1D846 GND47 1D748 1D649 1D550 VCC51 1D452 1D353 GND54 1D255 1D156 OE2 11OE1

21Q1

31Q2

4GND

51Q3

61Q4

7VCC

81Q5

91Q6

101Q7

11GND

121Q8

131Q9

141Q10

152Q1

162Q2

172Q3

18GND

192Q4

202Q5

212Q6

22VCC

232Q7

242Q8

25GND

262Q9

272Q10

282OE1

Q88

13T

C74

VC

X16

2827

FT

29 2OE230 2D1031 2D932 GND33 2D834 2D735 VCC36 2D637 2D538 2D439 GND40 2D341 2D242 2D143 1D1044 1D945 1D846 GND47 1D748 1D649 1D550 VCC51 1D452 1D353 GND54 1D255 1D156 OE2 11OE1

21Q1

31Q2

4GND

51Q3

61Q4

7VCC

81Q5

91Q6

101Q7

11GND

121Q8

131Q9

141Q10

152Q1

162Q2

172Q3

18GND

192Q4

202Q5

212Q6

22VCC

232Q7

242Q8

25GND

262Q9

272Q10

282OE1

C8872C8873C8874C8875C8876C8877C8878C8879C8880C8881C8882C8883C8884C8885C8886C8887C8888C8889C8890C8891C8892C8893C8894C8895C8896C8897C8898C8899C8856C8857C8858C8859

Q88

08T

C74

VC

X16

2244

FT

25 3OE326 4A427 4A328 GND29 4A230 4A131 VCC32 3A433 3A334 GND35 3A236 3A137 2A438 2A339 GND40 2A241 2A142 VCC43 1A444 1A345 GND46 1A247 1A148 2OE 11OE

21Y1

31Y2

4GND

51Y3

61Y4

7VCC

82Y1

92Y2

10GND

112Y3

122Y4

133Y1

143Y2

15GND

163Y3

173Y4

18VCC

194Y1

204Y2

21GND

224Y3

234Y4

244OE4

C8871

C8856-C8859C8871-C8899

104Z

R88

174.

7K

R8952

47

R8953

47

R8954

47

C89

5647

0/10

C89

5747

0/10

C89

58

470/

10

Q8952SPI-8010A

7 SWOUT

15VREF

16N

.C3

DG

ND

1A

GN

D14

Com

p5

Reg 4CE/SS

11VIN

2N.C

6N.C

8N.C

9N

.C

10N

.C

13N

.C

12B

.S

R89

15 22

C89

18 47/1

6

+

Q8953SPI-8010A

7 SWOUT

15VREF

16N

.C3

DG

ND

1A

GN

D14

Com

p5

Reg 4

CE/SS

11VIN

2N.C

6N.C

8N.C

9N

.C

10N

.C

13N

.C

12B

.S

D89

52

RS

X50

1L-2

0

D89

53

RS

X50

1L-2

0

Q8954SPI-8010A

7 SWOUT

15VREF

16N

.C3

DG

ND

1A

GN

D14

Com

p5

Reg 4CE/SS

11VIN

2N.C

6N.C

8N.C

9N

.C

10N

.C

13N

.C

12B

.S

D89

54

RS

X50

1L-2

0

Q88

16T

C74

VC

X16

2827

FT

29 2OE230 2D1031 2D932 GND33 2D834 2D735 VCC36 2D637 2D538 2D439 GND40 2D341 2D242 2D143 1D1044 1D945 1D846 GND47 1D748 1D649 1D550 VCC51 1D452 1D353 GND54 1D255 1D156 OE2 11OE1

21Q1

31Q2

4GND

51Q3

61Q4

7VCC

81Q5

91Q6

101Q7

11GND

121Q8

131Q9

141Q10

152Q1

162Q2

172Q3

18GND

192Q4

202Q5

212Q6

22VCC

232Q7

242Q8

25GND

262Q9

272Q10

282OE1

Q88

15T

C74

VC

X16

2827

FT

29 2OE230 2D1031 2D932 GND33 2D834 2D735 VCC36 2D637 2D538 2D439 GND40 2D341 2D242 2D143 1D1044 1D945 1D846 GND47 1D748 1D649 1D550 VCC51 1D452 1D353 GND54 1D255 1D1

56 OE2 11OE1

21Q1

31Q2

4GND

51Q3

61Q4

7VCC

81Q5

91Q6

101Q7

11GND

121Q8

131Q9

141Q10

152Q1

162Q2

172Q3

18GND

192Q4

202Q5

212Q6

22VCC

232Q7

242Q8

25GND

262Q9

272Q10

282OE1

C8870 104Z

Q88

10T

C74

VC

X16

2244

FT

11OE

21Y1

31Y2

4GND

51Y3

61Y4

7VCC

82Y1

92Y2

10GND

112Y3

122Y4

133Y1

143Y2

15GND

163Y3

173Y4

18VCC

194Y1

204Y2

21GND

224Y3

234Y4

244OE4

25 3OE326 4A427 4A328 GND29 4A230 4A131 VCC32 3A433 3A334 GND35 3A236 3A137 2A438 2A339 GND40 2A241 2A142 VCC43 1A444 1A345 GND46 1A247 1A148 2OE

C8868 104Z

Q88

12T

C74

VC

X16

2827

FT

29 2OE230 2D1031 2D932 GND33 2D834 2D735 VCC36 2D637 2D538 2D439 GND40 2D341 2D242 2D143 1D1044 1D945 1D846 GND47 1D748 1D649 1D550 VCC51 1D452 1D353 GND54 1D255 1D156 OE2 11OE1

21Q1

31Q2

4GND

51Q3

61Q4

7VCC

81Q5

91Q6

101Q7

11GND

121Q8

131Q9

141Q10

152Q1

162Q2

172Q3

18GND

192Q4

202Q5

212Q6

22VCC

232Q7

242Q8

25GND

262Q9

272Q10

282OE1

C89

9010

5Z

Q88

18T

C74

VC

X16

2827

FT

29 2OE230 2D1031 2D932 GND33 2D834 2D735 VCC36 2D637 2D538 2D439 GND40 2D341 2D242 2D143 1D1044 1D945 1D846 GND47 1D748 1D649 1D550 VCC51 1D452 1D353 GND54 1D255 1D156 OE2 11OE1

21Q1

31Q2

4GND

51Q3

61Q4

7VCC

81Q5

91Q6

101Q7

11GND

121Q8

131Q9

141Q10

152Q1

162Q2

172Q3

18GND

192Q4

202Q5

212Q6

22VCC

232Q7

242Q8

25GND

262Q9

272Q10

282OE1

R8827

R8827 1M

R886022

R886122

R88

69 75

C88

51

820J

C88

52

820J

R88

70 75R

8871

75R8862

22R

89641.

5K

R89

56 1.5K

R89

60 1K

R89

681K

C89

6168

2K

R89

6622

K

R89

58 2.2K

R89

701K

R89

621K

C89

9210

5Z

C89

97

105Z

C89

98

105Z

C89

99

105Z

C89

9110

5Z

Q88

09T

C74

VC

X16

2244

FT

25 3OE326 4A427 4A328 GND29 4A230 4A131 VCC32 3A433 3A334 GND35 3A236 3A137 2A438 2A339 GND40 2A241 2A142 VCC43 1A444 1A345 GND46 1A247 1A148 2OE 11OE

21Y1

31Y2

4GND

51Y3

61Y4

7VCC

82Y1

92Y2

10GND

112Y3

122Y4

133Y1

143Y2

15GND

163Y3

173Y4

18VCC

194Y1

204Y2

21GND

224Y3

234Y4

244OE4

R893747KX4

R894047KX4

C89

6410

2J

C8933 105Z

R88

39

22X

4

R88

4022

X4

R89

6147

0

R89

57 1.5K

R89

65 3.9K

R8938

47KX4

C89

1710

5Z

R8864

75

R8865

75

C88

08

C88

08C

8809

105Z

C88

09

R88

164.

7K

R8806

0

R8805 HS601

R88040R8803 HS601

R88020

R8808 100K

R8811 56

R8809 56

R8807 56

L8960BLM21PG221SN1

L8956

L8963BLM21PG221SN1

L8961

L8957

C89

35C

8934

C89

34C

8935

103Z

R8863

75

R89

424.

7k

C8911105Z

R8812

100K

L8801

LBC2518T2R2M

L8802

LBC2518T470M

L8804

LBC2518T2R2M

L880

3

TO

SD

-15:

D4

I21C

& U

AR

T

LBC

2518

T2R

2M

C88

50

330J

C88

4933

0JC

8853

820J

L8954

RCP1317NP470M

L8952

L8953

RCP1317NP470M

L8962BLM21PG221SN1

L8958

BLM21PG221SN1

Q88

06B

A18

BC

0FP

2G

1I

3O

Q8860:AMAX4018ESD

5

6

1E

N

7

4

Q8860:BMAX4018ESD

10

9

3E

N 8

11

Q8860:CMAX4018ESD

12

13

2E

N

14

Q8902

NJM2391DL1-25

1 I

2G

3O

Q8937

LA7106M-TLM-E

12345678 9

10111213141516

R8815 2.7KF

R88

3022

X4

C8907821J

C8906392J

X8801

FCX-03-28.6363MHz

R8810 100K

Q8959DTC144EE

Q8931

NJU7313A

1 VSS23456789

10111213 NC14 STB15 GND 16CLK

17DATA

18NC

19COM3

20S8

21S7

22COM2

23S6

24S5

25COM1

26S4

27S3

28S2

29S1

30VDD

Q8963DTC144EE

C8841

10/16

C88

55

104Z

C88

54

104Z

Q8861:CMAX4018ESD

12

13

2E

N

14

Q8861:BMAX4018ESD

10

9

3E

N 8

11

Q8861:A

MAX4018ESD

5

6

1

7

4

L8902LBC2518T2R2M

L8903LBC2518T2R2M

R88010

R8879

470F

R8880

470F

R8881

470F

R88

74

470F

R88

73

470F

R88

72

470F

R88820

R88430

R884418

R8845

0

R8846

18

R8847

0

R8849

18

R88830

R89

2822

X4

R89

2722

X4

R89

2422

X4

R89

2522

X4

R89

2622

X4

R89

3022

R89

2922

R89

2047

R88

4222

R88

194.

7K

C89

9422

0/25

C89

9522

0/25

C89

96

220/25

L8814

22

L8811

L8810

0

L8812

L88130

L88150

R88

562.

2KF

R8850 2.2K

R89

3315

0FR

8932

150F

R89

3115

0F

R88

5133

0FR

8852

330F

R88

53

330F

R88580

R89

0110

K

C89

6710

5Z

C89

71

473Z

C89

7510

5Z

C89

79 105Z

C89

59

682K

C89

83

105Z

C89

89

105Z

R8951

47

C89

5547

0/10

Q8951SPI-8010A

7 SWOUT

15VREF

16N

.C3

DG

ND

1A

GN

D14

Com

p5

Reg 4CE/SS

11VIN

2N.C

6N.C

8N.C

9N

.C

10N

.C

13N

.C

12B

.S

D89

51

RS

X50

1L-2

0

R89

59 1K

R89

67 1KR

8955 10

0

C8904105ZQ8956

DTC144EE

L8959

BLM21PG221SN1

L8955BLM21PG221SN1

BLM21PG221SN1

BLM21PG221SN1

C89

1422

0/4

+

C8902220/4+

C8903105Z

C8901105Z

Q8901ADV7320

1 VDDIO2 PY03 PY14 PY2/SCANEN5 PY3/TESTMODE6 PY47 PY58 PY69 PY710 VDD11 DGND112 PY813 PY914 PC015 PC116 PC2

17P

C3

18P

C4

19S

PI_

I2C

_EN

20A

LSB

21S

DA

22S

CLK

23P

_HS

YN

C24

P_V

SY

NC

25P

_BLA

NK

26P

C5

27P

C6

28P

C7

29P

C8

30P

C9

31R

TC

32C

KLI

N

33RESETB

34EXT_LF

35RSET2

36COM2

37DAC_F

38DAC_E

39DAC_D

40AGND

41VAA

42DAC_C

43DAC_B

44DAC_A

45COMP1

46VREF

47RESET1

48S_BLANK

49

49:S

_VS

YN

C50

50:S

_HS

YN

C51

S0

52S

1

53S

2

54S

3

55S

4

56V

DD

2

57D

GN

D2

58S

5

59S

6

60S

7

61S

8

62S

9

63

63:C

LKIN

_2

64

64:G

ND

10

L890

1LB

C25

18T

2R2M

R892122X4

R892222X4

R892322X4

L8951

RCP1317NP470M

RCP1317NP470M

C89

9322

0/25

C89

63

223K

P28

01B

31302928272625242322212019181716151413121110987654321

TO

NA

VD

-905

2S

D-6

:F2

Q8803

UM6K1N

Q88

11T

C74

VC

X16

2827

FT

20 b

it B

US

BU

FF

ER

16 b

it B

US

BU

FF

ER

16 b

it B

US

BU

FF

ER

16 b

it B

US

BU

FF

ER

20 b

it B

US

BU

FF

ER

29 2OE230 2D1031 2D932 GND33 2D834 2D735 VCC36 2D637 2D538 2D439 GND40 2D341 2D242 2D143 1D1044 1D945 1D846 GND47 1D748 1D649 1D550 VCC51 1D452 1D353 GND54 1D255 1D156 OE2 11OE1

21Q1

31Q2

4GND

51Q3

61Q4

7VCC

81Q5

91Q6

101Q7

11GND

121Q8

131Q9

141Q10

152Q1

162Q2

172Q3

18GND

192Q4

202Q5

212Q6

22VCC

232Q7

242Q8

25GND

262Q9

272Q10

282OE1

Q88

17T

C74

VC

X16

2827

FT

29 2OE230 2D1031 2D932 GND33 2D834 2D735 VCC36 2D637 2D538 2D439 GND40 2D341 2D242 2D143 1D1044 1D945 1D846 GND47 1D748 1D649 1D550 VCC51 1D452 1D353 GND54 1D255 1D156 OE2 11OE1

21Q1

31Q2

4GND

51Q3

61Q4

7VCC

81Q5

91Q6

101Q7

11GND

121Q8

131Q9

141Q10

152Q1

162Q2

172Q3

18GND

192Q4

202Q5

212Q6

22VCC

232Q7

242Q8

25GND

262Q9

272Q10

282OE1

P80

02A

123456789

101112131415 T

O N

AA

R-9

075

SD

-8:G

1

P38

05B1

23456789

10

TO

NA

DS

P-9

072

SD

-10:

B1

C88

48

330J

L8855

MLF2012DR22J

L8852

MLF2012DR47J

L8856

MLF2012DR22J

L8853

MLF2012DR47J

L8854

MLF2012DR22J

L8851

MLF2012DR47J

R894147KX4

R893947KX4

R88

24

22

R88

33

22

R88

3122

X4

C8824 104Z

Q8800ADV7401

1P32

2P31

3P30/INTREQ

4HS/CS

5DGND

6DVDDIO

7P15

8P14

9P13

10P12

11DGND

12DVDD

13P29

14P28

15SFL/SYNC_OUT

16SCLK2

17DGND

18DVDDIO

19SDA2

20P11

21P10

22P9

23P8

24P27

25P7

26P

627

P5

28P

429

P26

30P

2531

P24

32P

2333

P22

34P

2135

DC

LK_I

N36

LLC

37X

TA

L138

XT

AL

39D

VD

D40

DG

ND

41P

342

P2

43P

144

P0

45P

2046

ELP

F47

PV

DD

48P

VD

D49

AG

ND

50A

GN

D

51FB

52SOG

53AIN7

54AIN1

55AIN8

56AIN2

57AIN9

58AIN3

59TEST1

60AGND

61CAPY1

62CAPY2

63AVDD

64REFOUT

65CML

66AGND

67BIAS

68CAPC1

69CAPC2

70TEST0

71AIN10

72AIN4

73AIN11

74AIN5

75AIN12

76A

IN6

77S

OY

78 'R

ES

ET

79D

E_I

N

80A

LSB

81S

DA

1

82S

CLK

1

83P

40

84P

39

85V

S_I

N

86H

S_I

N/C

S_I

N

87P

38

88P

37

89D

GN

D

90D

VD

D

91P

19

92P

18

93P

17

94P

16

95P

36

96P

35

97P

34

98F

IELD

/DE

99V

S

100

P33

R88

543.

3KR

8855

3.3K

R89

341.

5KR

8935

1.5K

R89

361.

8K

U42 HDMI PC BOARD

NAHDM-9114(5/5)

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

20 b

it B

US

BU

FF

ER

20 b

it B

US

BU

FF

ER

20 b

it B

US

BU

FF

ER

20 b

it B

US

BU

FF

ER

20 b

it B

US

BU

FF

ER

20 b

it B

US

BU

FF

ER

+3.3V

+3.3V +3.3V +3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+1.8V

+1.

8V

+3.3V

+3.3V

+5.0V

+2.5V

+2.5V

+9.0V

JL80

02A

Page 46: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-19 (SD-19) HDMI SECTION-5

A

1

2

3

4

5

B C D E F G HV

S

VP

17V

P16

VP15VP14

VP13VP12

+1_8VDEC

PV

DD

VP09VP08

VP29

VP10VP11

DVDD

HC/CS

S4

S3

S2

S1

CK

_IN

1

PC

5

PC

2

CV5P0

VP

07V

P06

VP

05

VP

27

VP

03V

P02

VP

01V

P00

LLC

INT

_VS

YN

C

RT

C

OERXTH

OEDEC

VICLK1

VCTL3P3

VCTL2P5

+12V

+12V

+12V

VIV

SV

IHS

2_5V

HD

OERX

VP28

VIDAT19VIDAT18

VP17 VIDAT17VP16

VS

HC/CS

VIDAT16

VIFLD1VIVS1

VIHS1VP15VP14

VIDAT15VIDAT14

VP13 VIDAT13

VIDAT12VP12VP29 VIDAT29

VIDAT28VP28VIDEN1

LLC

VP18

VP19 S9VP18 S8

VP17 S7VP16 S6

FIELD/DEVS VIVS

HC/CS VIHSVP15VP14

S5S4

VP13 S3

VP12 S2

OEDECTH

OETX

VIDEN1

VIDAT0

VIDAT2VIDAT3

VIDAT1

VIDAT4VIDAT5

VIDAT26VIDAT27

VIDAT29

VIDAT21VIDAT22

VIDAT23VIDAT24VIDAT25

VIDAT8VIDAT9

VIDAT10VIDAT11

VIDAT18VIDAT17

VIDAT12VIDAT13

VIDAT14VIDAT15

VIDAT16

VIDAT28

VIDAT19

RX_CB5

RX_CR11RX_CR10

RX_CR9RX_CR8

RX_CR7RX_CR6RX_CR5

RX_CR4RX_CR3RX_CR2RX_CR1RX_CR0RX_Y11

RX_Y10RX_Y9RX_Y8

RX_Y7RX_Y6

RX_CB1

RX_CB0RX_BLNK

RX_CB2RX_CB3

RX_Y5RX_Y4

RX_Y3RX_Y2

RX_Y0

RX_CB11RX_CB10RX_CB9

RX_CB7RX_CB6

RX_CB4

TX_CR11TX_CR10

TX_CR9TX_CR8

TX_CR7TX_CR6TX_CR5

TX_CR4TX_CR3TX_CR2TX_CR1TX_CR0TX_Y11

TX_Y10TX_Y9TX_Y8

TX_Y7TX_Y6

TX_Y5TX_Y4

TX_CB3TX_CB2TX_CB1

TX_CB0TX_BLNK

TX_Y3TX_Y2

TX_Y1TX_Y0

TX_CB11

TX_CB7TX_CB6TX_CB5TX_CB4

TX_CB10TX_CB9

TX_CB8RX_PIXCLKRX_CB8

VIDAT7

VP02 VIDAT2

VP22VP03

VIDAT22VIDAT3

VP24VP23 VIDAT23

VIDAT24

VP26VP25

VIDAT26VIDAT25

VP04VP05 VIDAT5

VIDAT4

VP06VP07

VIDAT6VIDAT7

VP27VP08

VIDAT27VIDAT8

VP09 VIDAT9

S3

VIVS1VIHS1

TX_VSYNCTX_HSYNC

RX_VSYNCRX_HSYNC

RX_Y1

TX_CR5

VODAT23

VOACT

VOHSVOVS

VOCLK

VODAT0VODAT1

VODAT2VODAT3

VODAT5VODAT4

VODAT6

VODAT7

VODAT9VODAT8

VODAT13VODAT12

VODAT11VODAT10

TX_HSYNCTX_VSYNC

TX_PIXCLK

TX_CR2TX_CR3

TX_CR4

TX_CR6TX_CR7TX_CR8

TX_CR9

TX_CR11TX_CR10

TX_Y5TX_Y4

TX_Y3TX_Y2

VODAT0VODAT1

VODAT2VODAT3

VODAT4VODAT5VODAT6

VODAT7VODAT8VODAT9

OEENDC

OE444

VOHSVOVS

VOACTVOCLK

VODAT29VODAT28VODAT27

VODAT26VODAT25VODAT24

VODAT16VODAT17

VODAT14VODAT15

VODAT13VODAT12

VODAT10VODAT11

S1S0

S2

S4

S6S5

S7

S9S8

CK_IN1

PC8PC9

PC7

PC6

PC4PC3

PC5

PC1PC2

PC0

PY6PY7

PY9PY8

PY4PY5

PY3PY2

PY0PY1

VODAT22VODAT21

VODAT20

VODAT18VODAT19

VIFLD1

VODAT27VODAT28VODAT29

VODAT26VODAT25VODAT24

VODAT22VODAT23

VODAT21

VODAT20VODAT19VODAT18

VODAT16VODAT17

VODAT14VODAT15

TX_CB11TX_CB10TX_CB9

TX_CB8TX_CB7TX_CB6TX_CB5TX_CB4TX_CB3

TX_CB2TX_Y11TX_Y10

TX_Y8TX_Y9

TX_Y6TX_Y7

RTCSFL/SYNCOUT

LLC

VIDAT20

CK_IN1

CK

_IN

1

VIVSVIHS

VIBLANK

VIBLANK

VIB

LAN

K

VIH

SV

IVS

VIB

LAN

K

VSWCLKVSWDO

VSWSTB

OEENDCOE444

OETXOERXTH

+9VSW

VDECRSTVCTL3P3

BOOTOERX

OEDECOEDECTH

VENCRSTVCTL5P0

VCTL2P5

VCTL1P2

VP

04

VP

26V

P25

VP

24V

P23

VP

22V

P21

CV

3P3

PC

3P

C4

PC1

VDLOCK

GNDVD

DACSC

DACPR

DACPB

DACPY

GNDVD

GNDVD

GNDVD

GNDVD

GNDVD

GNDVD

GNDVD

GNDVD

GNDVD

GNDVD

PCMBCKPCMLR

PCMLRCKPCMCSWPCMSLRPCMSBLR

HDMISPF

MCK_HDMIGND

GND

GNDHD

YSY

OUT_Y/G

OUT_CR/ROUT_CB/C

SC

L_V

DV

ES

DA

_VD

VE

C

VICLK1VIDAT6

VP

19V

P18

VD

EC

RS

T

VE

NC

RS

T

TX_PIXCLK

TX_BLNK

DACSY

DACCV

RX_VSYNCRX_HSYNC

RX_CB7RX_CB6

RX_CB4RX_CB5

RX_CB2RX_CB3

RX_PIXCLKRX_CB8

RX_CB11RX_CB10

RX_CB9

RX_Y11

RX_Y10RX_Y9RX_Y8

RX_Y7RX_Y6

RX_Y5RX_Y4

RX_Y2RX_Y3

RX_CR2

RX_CR11RX_CR10

RX_CR9RX_CR8

RX_CR7

RX_CR3

RX_CR6RX_CR5

RX_CR4

RESET

VCTL5P0

ADINPB

ADINPR

ADINPY

ADINSC

ADINSY

ADINCVGNDVD

SDA_VDVE

PY

SC

PB

CV

PR

SY

S9

S8

S7

S6

PC

6P

C7

PC

8P

C9

S0

S5

VSPRST

VCTL1P2

+12V

CV1P2

PY0PY1PY2PY3PY4PY5PY6PY7

PY8PY9PC0

CV

3P3

CV

3P3

VP19

CEC_IO

SPFOUT

VMSCKVMSDO

VM_SDIRXMUTEVM_STB

VM_RST

TX_MUTE

VCSDAVSWSTBVSWDOVSWCLK+9VSW

VCSCL

VSPTXD/VSPSDAVSPRXD/VSPSCL

VSPREQVSPRDY

VSPTxD/VSPSDAVSPRxD/VSPSCL

VSPREQVSPRDY

BOOT

SCL_VDVESDA_VDVETWI_SDA_0

TWI_SCL_0

GPIO2GPIO3

GPIO1

RXDBTXDB

RESET

PV

3P3

PV

3P3

PV3P3

GND

+5VHD

DDRV2P5

CV2P5

+5VHD

CV5P0

+3_3VHD1

PV3P3

CV3P3

SCL_VDVE

VDECRST

VCSCL

VCSDA

CV

3P3

GN

D

CV

3P3

CV3P3

GN

D GN

D

VSPRST

VD_OFF

RX_BLNKEVNODD

SFL/SYNCOUT

FIE

LD/D

E

FIELD/DE

/DE

SFL/SYNCOUT

SDA_VDVE

SC

L_V

DV

ES

DA

_VD

VE

SCL_VDVE

DV

DD

IO

/SYNCOUT

TO

SD

-18:

G5

DIG

ITA

L_A

UD

IO_D

AT

A

TO SD-15:C1VODAT[47:0]

TO SD-15:A2DIDAT[59:0]

TO SD-15:A1SYNC SIGNAL INPUT

TO SD-15:C1SYNC SIGAL OUTPUT

TO

SD

-18:

D3

DIG

ITA

L V

IDE

O D

AT

A R

X[Y

,CB

,CR

0:11

]

TO SD-17:H5 & SD-18:G5DIGITAL_VIDEO_DATA

TX[Y,CB,CR0:11]T

O S

D-1

8:H

3 V

IDE

O M

PU

_SY

SC

PU

SII9135

SII9134

Q8501

U8001VX50

Q8401

POWER SUPPLY&RESET CONTROL

VIDEO DECODER

VIDEO ENCODER

R89

05 22 R89

0747

R89

1922

R89122.7KF

C89

0510

2J

R8908680F

C8916

220/4+

C89

1210

5Z

R89

1722

R8914680FR8913680F

C8910 104K

R89112.7KF

C8908104K

C8909105Z

R8909680F

R8910680F

R89

0622

R8848

68

C8843

100/4

L880

7

L880

7B

K16

08H

S60

1

C88

3510

0/4

C8802

C8802-

C88

1310

4Z

C8822 104Z

R8825 22C8803C8804C8805C8806

C8806104K

C8820

101J

C88

2110

4Z

C8812 104Z

C88

3710

0/4

C8801100/4

R882322X4

R88

20

33K

R8813 2.7KF

C8814 104Z

C88

30

104Z

C88

2610

4Z

C8831 104Z

C8815 104Z

C8816 104Z

R88

3822

X4

C8829

104Z

R88

2622

R883522

R8836 22R8828 22

R88

211.

8K

R883722X4

C88

2510

4Z

C8823104Z

R883422X4

C88

2882

3K

C88

07

104K

C88

1110

/16

+

C8817 10/16+

C8818 10/16+

C88

1010

/16

+

C88

2722

3K

C8931 330/6.3+

C8932 330/6.3+

R88

4122

X4

C8833070D

C8834070D

C88

3610

0/4

C8838470J

C8839470J

C8840470J

C88

1910

2J

R88

141K

C8864 104ZC8866 104Z

C8869 104ZC8865 104ZC8863 104Z

C8867 104ZC8862 104Z

C8861 104Z

C8860 104Z

C89

6810

5Z

C89

72

473Z

C89

7610

5Z

C89

8010

5Z

C89

60

682K

C89

84

105Z

C89

6510

2J

C89

6910

5Z

C89

73

473Z

C89

7710

5Z

C89

81 105Z

C89

85

105Z

C89

66

102J

C89

7010

5Z

C89

74

473Z

C89

7810

5Z

C89

8210

5Z C89

62682K

C89

86

105Z

Q8958DTC144EE

Q8957DTC144EE

Q88

14T

C74

VC

X16

2827

FT

29 2OE230 2D1031 2D932 GND33 2D834 2D735 VCC36 2D637 2D538 2D439 GND40 2D341 2D242 2D143 1D1044 1D945 1D846 GND47 1D748 1D649 1D550 VCC51 1D452 1D353 GND54 1D255 1D156 OE2 11OE1

21Q1

31Q2

4GND

51Q3

61Q4

7VCC

81Q5

91Q6

101Q7

11GND

121Q8

131Q9

141Q10

152Q1

162Q2

172Q3

18GND

192Q4

202Q5

212Q6

22VCC

232Q7

242Q8

25GND

262Q9

272Q10

282OE1

Q88

13T

C74

VC

X16

2827

FT

29 2OE230 2D1031 2D932 GND33 2D834 2D735 VCC36 2D637 2D538 2D439 GND40 2D341 2D242 2D143 1D1044 1D945 1D846 GND47 1D748 1D649 1D550 VCC51 1D452 1D353 GND54 1D255 1D156 OE2 11OE1

21Q1

31Q2

4GND

51Q3

61Q4

7VCC

81Q5

91Q6

101Q7

11GND

121Q8

131Q9

141Q10

152Q1

162Q2

172Q3

18GND

192Q4

202Q5

212Q6

22VCC

232Q7

242Q8

25GND

262Q9

272Q10

282OE1

C8872C8873C8874C8875C8876C8877C8878C8879C8880C8881C8882C8883C8884C8885C8886C8887C8888C8889C8890C8891C8892C8893C8894C8895C8896C8897C8898C8899C8856C8857C8858C8859

Q88

08T

C74

VC

X16

2244

FT

25 3OE326 4A427 4A328 GND29 4A230 4A131 VCC32 3A433 3A334 GND35 3A236 3A137 2A438 2A339 GND40 2A241 2A142 VCC43 1A444 1A345 GND46 1A247 1A148 2OE 11OE

21Y1

31Y2

4GND

51Y3

61Y4

7VCC

82Y1

92Y2

10GND

112Y3

122Y4

133Y1

143Y2

15GND

163Y3

173Y4

18VCC

194Y1

204Y2

21GND

224Y3

234Y4

244OE4

C8871

C8856-C8859C8871-C8899

104Z

R88

174.

7K

R8952

47

R8953

47

R8954

47

C89

5647

0/10

C89

5747

0/10

C89

58

470/

10

Q8952SPI-8010A

7 SWOUT

15VREF

16N

.C3

DG

ND

1A

GN

D14

Com

p5

Reg 4CE/SS

11VIN

2N.C

6N.C

8N.C

9N

.C

10N

.C

13N

.C

12B

.S

R89

15 22

C89

18 47/1

6

+

Q8953SPI-8010A

7 SWOUT

15VREF

16N

.C3

DG

ND

1A

GN

D14

Com

p5

Reg 4

CE/SS

11VIN

2N.C

6N.C

8N.C

9N

.C

10N

.C

13N

.C

12B

.S

D89

52

RS

X50

1L-2

0

D89

53

RS

X50

1L-2

0

Q8954SPI-8010A

7 SWOUT

15VREF

16N

.C3

DG

ND

1A

GN

D14

Com

p5

Reg 4CE/SS

11VIN

2N.C

6N.C

8N.C

9N

.C

10N

.C

13N

.C

12B

.S

D89

54

RS

X50

1L-2

0

Q88

16T

C74

VC

X16

2827

FT

29 2OE230 2D1031 2D932 GND33 2D834 2D735 VCC36 2D637 2D538 2D439 GND40 2D341 2D242 2D143 1D1044 1D945 1D846 GND47 1D748 1D649 1D550 VCC51 1D452 1D353 GND54 1D255 1D156 OE2 11OE1

21Q1

31Q2

4GND

51Q3

61Q4

7VCC

81Q5

91Q6

101Q7

11GND

121Q8

131Q9

141Q10

152Q1

162Q2

172Q3

18GND

192Q4

202Q5

212Q6

22VCC

232Q7

242Q8

25GND

262Q9

272Q10

282OE1

Q88

15T

C74

VC

X16

2827

FT

29 2OE230 2D1031 2D932 GND33 2D834 2D735 VCC36 2D637 2D538 2D439 GND40 2D341 2D242 2D143 1D1044 1D945 1D846 GND47 1D748 1D649 1D550 VCC51 1D452 1D353 GND54 1D255 1D1

56 OE2 11OE1

21Q1

31Q2

4GND

51Q3

61Q4

7VCC

81Q5

91Q6

101Q7

11GND

121Q8

131Q9

141Q10

152Q1

162Q2

172Q3

18GND

192Q4

202Q5

212Q6

22VCC

232Q7

242Q8

25GND

262Q9

272Q10

282OE1

C8870 104Z

Q88

10T

C74

VC

X16

2244

FT

11OE

21Y1

31Y2

4GND

51Y3

61Y4

7VCC

82Y1

92Y2

10GND

112Y3

122Y4

133Y1

143Y2

15GND

163Y3

173Y4

18VCC

194Y1

204Y2

21GND

224Y3

234Y4

244OE4

25 3OE326 4A427 4A328 GND29 4A230 4A131 VCC32 3A433 3A334 GND35 3A236 3A137 2A438 2A339 GND40 2A241 2A142 VCC43 1A444 1A345 GND46 1A247 1A148 2OE

C8868 104Z

Q88

12T

C74

VC

X16

2827

FT

29 2OE230 2D1031 2D932 GND33 2D834 2D735 VCC36 2D637 2D538 2D439 GND40 2D341 2D242 2D143 1D1044 1D945 1D846 GND47 1D748 1D649 1D550 VCC51 1D452 1D353 GND54 1D255 1D156 OE2 11OE1

21Q1

31Q2

4GND

51Q3

61Q4

7VCC

81Q5

91Q6

101Q7

11GND

121Q8

131Q9

141Q10

152Q1

162Q2

172Q3

18GND

192Q4

202Q5

212Q6

22VCC

232Q7

242Q8

25GND

262Q9

272Q10

282OE1

C89

9010

5Z

Q88

18T

C74

VC

X16

2827

FT

29 2OE230 2D1031 2D932 GND33 2D834 2D735 VCC36 2D637 2D538 2D439 GND40 2D341 2D242 2D143 1D1044 1D945 1D846 GND47 1D748 1D649 1D550 VCC51 1D452 1D353 GND54 1D255 1D156 OE2 11OE1

21Q1

31Q2

4GND

51Q3

61Q4

7VCC

81Q5

91Q6

101Q7

11GND

121Q8

131Q9

141Q10

152Q1

162Q2

172Q3

18GND

192Q4

202Q5

212Q6

22VCC

232Q7

242Q8

25GND

262Q9

272Q10

282OE1

R8827

R8827 1M

R886022

R886122

R88

69 75

C88

51

820J

C88

52

820J

R88

70 75R

8871

75R8862

22

R89

641.5K

R89

56 1.5K

R89

60 1K

R89

681K

C89

6168

2K

R89

6622

K

R89

58 2.2K

R89

701K

R89

621K

C89

9210

5Z

C89

97

105Z

C89

98

105Z

C89

99

105Z

C89

9110

5Z

Q88

09T

C74

VC

X16

2244

FT

25 3OE326 4A427 4A328 GND29 4A230 4A131 VCC32 3A433 3A334 GND35 3A236 3A137 2A438 2A339 GND40 2A241 2A142 VCC43 1A444 1A345 GND46 1A247 1A148 2OE 11OE

21Y1

31Y2

4GND

51Y3

61Y4

7VCC

82Y1

92Y2

10GND

112Y3

122Y4

133Y1

143Y2

15GND

163Y3

173Y4

18VCC

194Y1

204Y2

21GND

224Y3

234Y4

244OE4

R893747KX4

R894047KX4

C89

6410

2J

C8933 105Z

R88

39

22X

4

R88

4022

X4

R89

6147

0

R89

57 1.5K

R89

65 3.9K

R8938

47KX4

C89

1710

5Z

R8864

75

R8865

75

C88

08

C88

08C

8809

105Z

C88

09

R88

164.

7K

R8806

0

R8805 HS601

R88040R8803 HS601

R88020

R8808 100K

R8811 56

R8809 56

R8807 56

L8960BLM21PG221SN1

L8956

L8963BLM21PG221SN1

L8961

L8957

C89

35C

8934

C89

34C

8935

103Z

R8863

75

R89

424.

7k

C8911105Z

R8812

100K

L8801

LBC2518T2R2M

L8802

LBC2518T470M

L8804

LBC2518T2R2M

L880

3

TO

SD

-15:

D4

I21C

& U

AR

T

LBC

2518

T2R

2M

C88

50

330J

C88

4933

0JC

8853

820J

L8954

RCP1317NP470M

L8952

L8953

RCP1317NP470M

L8962BLM21PG221SN1

L8958

BLM21PG221SN1

Q88

06B

A18

BC

0FP

2G

1I

3O

Q8860:AMAX4018ESD

5

6

1E

N

7

4

Q8860:BMAX4018ESD

10

9

3E

N 8

11

Q8860:CMAX4018ESD

12

13

2E

N

14

Q8902

NJM2391DL1-25

1 I

2G

3O

Q8937

LA7106M-TLM-E

12345678 9

10111213141516

R8815 2.7KF

R88

3022

X4

C8907821J

C8906392J

X8801

FCX-03-28.6363MHz

R8810 100K

Q8959DTC144EE

Q8931

NJU7313A

1 VSS23456789

10111213 NC14 STB15 GND 16CLK

17DATA

18NC

19COM3

20S8

21S7

22COM2

23S6

24S5

25COM1

26S4

27S3

28S2

29S1

30VDD

Q8963DTC144EE

C8841

10/16C

8855

104Z

C88

54

104Z

Q8861:CMAX4018ESD

12

13

2E

N

14

Q8861:BMAX4018ESD

10

9

3E

N 8

11

Q8861:A

MAX4018ESD

5

6

1

7

4

L8902LBC2518T2R2M

L8903LBC2518T2R2M

R88010

R8879

470F

R8880

470F

R8881

470F

R88

74

470F

R88

73

470F

R88

72

470F

R88820

R88430

R884418

R8845

0

R8846

18

R8847

0

R8849

18

R88830

R89

2822

X4

R89

2722

X4

R89

2422

X4

R89

2522

X4

R89

2622

X4

R89

3022

R89

2922

R89

2047

R88

4222

R88

194.

7K

C89

9422

0/25

C89

9522

0/25

C89

96

220/25

L8814

22

L8811

L8810

0

L8812

L88130

L88150

R88

562.

2KF

R8850 2.2K

R89

3315

0FR

8932

150F

R89

3115

0F

R88

5133

0FR

8852

330F

R88

53

330F

R88580

R89

0110

K

C89

6710

5Z

C89

71

473Z

C89

7510

5Z

C89

79 105Z

C89

59

682K

C89

83

105Z

C89

89

105Z

R8951

47

C89

5547

0/10

Q8951SPI-8010A

7 SWOUT

15VREF

16N

.C3

DG

ND

1A

GN

D14

Com

p5

Reg 4CE/SS

11VIN

2N.C

6N.C

8N.C

9N

.C

10N

.C

13N

.C

12B

.S

D89

51

RS

X50

1L-2

0

R89

59 1K

R89

67 1KR

8955 10

0

C8904105ZQ8956

DTC144EE

L8959

BLM21PG221SN1

L8955BLM21PG221SN1

BLM21PG221SN1

BLM21PG221SN1

C89

1422

0/4

+

C8902220/4+

C8903105Z

C8901105Z

Q8901ADV7320

1 VDDIO2 PY03 PY14 PY2/SCANEN5 PY3/TESTMODE6 PY47 PY58 PY69 PY710 VDD11 DGND112 PY813 PY914 PC015 PC116 PC2

17P

C3

18P

C4

19S

PI_

I2C

_EN

20A

LSB

21S

DA

22S

CLK

23P

_HS

YN

C24

P_V

SY

NC

25P

_BLA

NK

26P

C5

27P

C6

28P

C7

29P

C8

30P

C9

31R

TC

32C

KLI

N

33RESETB

34EXT_LF

35RSET2

36COM2

37DAC_F

38DAC_E

39DAC_D

40AGND

41VAA

42DAC_C

43DAC_B

44DAC_A

45COMP1

46VREF

47RESET1

48S_BLANK

49

49:S

_VS

YN

C50

50:S

_HS

YN

C51

S0

52S

1

53S

2

54S

3

55S

4

56V

DD

2

57D

GN

D2

58S

5

59S

6

60S

7

61S

8

62S

9

63

63:C

LKIN

_2

64

64:G

ND

10

L890

1LB

C25

18T

2R2M

R892122X4

R892222X4

R892322X4

L8951

RCP1317NP470M

RCP1317NP470M

C89

9322

0/25

C89

63

223K

P28

01B

31302928272625242322212019181716151413121110987654321

TO

NA

VD

-905

2S

D-6

:F2

Q8803

UM6K1N

Q88

11T

C74

VC

X16

2827

FT

20 b

it B

US

BU

FF

ER

16 b

it B

US

BU

FF

ER

16 b

it B

US

BU

FF

ER

16 b

it B

US

BU

FF

ER

20 b

it B

US

BU

FF

ER

29 2OE230 2D1031 2D932 GND33 2D834 2D735 VCC36 2D637 2D538 2D439 GND40 2D341 2D242 2D143 1D1044 1D945 1D846 GND47 1D748 1D649 1D550 VCC51 1D452 1D353 GND54 1D255 1D156 OE2 11OE1

21Q1

31Q2

4GND

51Q3

61Q4

7VCC

81Q5

91Q6

101Q7

11GND

121Q8

131Q9

141Q10

152Q1

162Q2

172Q3

18GND

192Q4

202Q5

212Q6

22VCC

232Q7

242Q8

25GND

262Q9

272Q10

282OE1

Q88

17T

C74

VC

X16

2827

FT

29 2OE230 2D1031 2D932 GND33 2D834 2D735 VCC36 2D637 2D538 2D439 GND40 2D341 2D242 2D143 1D1044 1D945 1D846 GND47 1D748 1D649 1D550 VCC51 1D452 1D353 GND54 1D255 1D156 OE2 11OE1

21Q1

31Q2

4GND

51Q3

61Q4

7VCC

81Q5

91Q6

101Q7

11GND

121Q8

131Q9

141Q10

152Q1

162Q2

172Q3

18GND

192Q4

202Q5

212Q6

22VCC

232Q7

242Q8

25GND

262Q9

272Q10

282OE1

P80

02A

123456789

101112131415 T

O N

AA

R-9

075

SD

-8:G

1

P38

05B1

23456789

10

TO

NA

DS

P-9

072

SD

-10:

B1

C88

48

330J

L8855

MLF2012DR22J

L8852

MLF2012DR47J

L8856

MLF2012DR22J

L8853

MLF2012DR47J

L8854

MLF2012DR22J

L8851

MLF2012DR47J

R894147KX4

R893947KX4

R88

24

22

R88

33

22

R88

3122

X4

C8824 104Z

Q8800ADV7401

1P32

2P31

3P30/INTREQ

4HS/CS

5DGND

6DVDDIO

7P15

8P14

9P13

10P12

11DGND

12DVDD

13P29

14P28

15SFL/SYNC_OUT

16SCLK2

17DGND

18DVDDIO

19SDA2

20P11

21P10

22P9

23P8

24P27

25P7

26P

627

P5

28P

429

P26

30P

2531

P24

32P

2333

P22

34P

2135

DC

LK_I

N36

LLC

37X

TA

L138

XT

AL

39D

VD

D40

DG

ND

41P

342

P2

43P

144

P0

45P

2046

ELP

F47

PV

DD

48P

VD

D49

AG

ND

50A

GN

D

51FB

52SOG

53AIN7

54AIN1

55AIN8

56AIN2

57AIN9

58AIN3

59TEST1

60AGND

61CAPY1

62CAPY2

63AVDD

64REFOUT

65CML

66AGND

67BIAS

68CAPC1

69CAPC2

70TEST0

71AIN10

72AIN4

73AIN11

74AIN5

75AIN12

76A

IN6

77S

OY

78 'R

ES

ET

79D

E_I

N

80A

LSB

81S

DA

1

82S

CLK

1

83P

40

84P

39

85V

S_I

N

86H

S_I

N/C

S_I

N

87P

38

88P

37

89D

GN

D

90D

VD

D

91P

19

92P

18

93P

17

94P

16

95P

36

96P

35

97P

34

98F

IELD

/DE

99V

S

100

P33

R88

543.

3KR

8855

3.3K

R89

341.

5KR

8935

1.5K

R89

361.

8K

U42 HDMI PC BOARD

NAHDM-9114(5/5)

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

20 b

it B

US

BU

FF

ER

20 b

it B

US

BU

FF

ER

20 b

it B

US

BU

FF

ER

20 b

it B

US

BU

FF

ER

20 b

it B

US

BU

FF

ER

20 b

it B

US

BU

FF

ER

+3.3V

+3.3V +3.3V +3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+1.8V

+1.

8V

+3.3V

+3.3V

+5.0V

+2.5V

+2.5V

+9.0V

JL80

02A

Page 47: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-20(SD-20)NETWORK SECTION-1

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

PCICLK3

AD8AD9AD10AD11AD12AD13AD14AD15

AD17AD18

AD20AD21

AD24AD25AD26AD27AD28AD29AD30AD31

AD23

AD16

AD19

AD22

AD0AD1AD2AD3AD4AD5AD6AD7

PARXSTOPXDEVSELXTRDYXIRDYXFRAMEXCBE0XCBE1XCBE2XCBE3XPCIRESET

XGNT3

XREQ3

XINTD

SPDIFTXSPDIFRX

Z2ROUT

GPLDAC

Z2LOUT

MCLKBCLKLRCKSDATA

PCI BUSTO SD-21:A1

TO SD-27:E1

TO SD-27:F4

TO SD-27:F2

TO SD-27:F2

IDSEL=AD19DEVICE No H'3

INT=INTD

GNT=3

REQ=3

S/PDIF IN OUT

To Connector Diagram

ZONE2 ANALOG OUT

+3.3V

R222

47

R221

47

R210

47

R223

47

R220

47

+3.3V

+3.3V

R20

8

4.7K

R20

9

4.7K

R206

1M

R20

4

330

X20149.152MHz

+3.3V

R23

2

4.7K

R23

3

4.7K

R22

80

Q206

PCI AUDIO

ENVY24MT-G

Q204

D/A CONVERTOR

CS4344

120AD31

121AD30

123AD29

124AD28

125AD27

126AD26

127AD25

2AD24

5AD23

6AD22

8AD21

9AD20

10AD19

11AD18

12AD17

15AD16

28AD15

29AD14

30AD13

31AD12

32AD11

34AD10

35AD9

36AD8

40AD7

41AD6

42AD5

43AD4

44AD3

47AD2

48AD1

49AD0

4IDSEL

114RST#

3CBE3#

16CBE2#

25CB1E#

37CBE0#

17FRAME#

18IRDY#

19TRDY#

21DEVSEL#

22STOP#

24PAR

113INTA#

118GNT#

119REQ#

117PCICLK

50GPIO0

51GPIO1

52GPIO2

53GPIO3

56GPIO4

57GPIO5

58GPIO6

59GPIO7

75GPIO8

76GPIO9

77GPIO10

86GPIO11

88GPIO12

89GPIO13

90GPIO14

91GPIO15

128GND

116GND

108GND

100GND

87GND

80GND

74GND

55GND

46GND

39GND

33GND

26GND

20GND

14GND

7GND

122VCC

115VCC

93VCC

81VCC

54VCC

45VCC

38VCC

27VCC

13VCC

1VCC

104MTEST[3]

103MTEST[2]

101MTEST[1]

99MTEST[0]

98MTNC

97MTNC

84MTNC

83MTNC

82MTNC

102NC

23NC

69TESTEN#

68SCANEN

79PSDOUT[0]

72PSYNC

78PBCLK

85PMCLK

73PSDIN[0]

105PRST#

106PSDOUT[1]

109SPSYNC

110SPSCLK

111SPMCLKIN

112SPMCLKOUT

94RX1

95TX1

96MTNC

107SPDIN

92SPDTX

70SDA

71SCLK

67V

CC

_X1

64G

ND

_X1

65X

IN1

66X

OU

T1

63V

CC

_X2

60G

ND

_X2

61X

IN2

62X

OU

T2

R214

1.5K

R21

6

100K

R224

1.5K

R225

1.8K

R22

6

100K

R20

5

330

R207

1M

R369 0

R372 0

R229 0

Q201IS24C04A-2ZLIE2P-ROM

6SCL

5SDA

4V

SS 3

E2

2E1

1E0

7WC

8V

CC

C225

10/16

C21

5

050C

C21

4

050C

C22

3

821J

C232

104K

C233

104K

C22

9

104K

C218

104K

C219

104K

C21

2

080D

C21

3

080D

X20022.5792MHz

C22

1

104K

C222

10/16

R21

3

0

Q205S-817A33ANB-CUOT2G

3VOUT

4NC

1V

SS

2VIN

4MCLK

2SCLK/DEM

3LRCK

1SDIN

5VQ

6FILT+

8GND

9+3.3V

VA

10AOUTR

7AOUTL

+3.3V

+3.3V

C23

9

104K

C23

8

104K

C23

7

104K

C23

6

104K

C24

3

104K

C24

2

104K

C24

4

104K

C35

1

102J

C35

2

102J

C35

3

102J

C35

4

102J

C36

6

102J

C36

8

102J

+3.3V

R42

40

R42

50

C22

4

821J

C22

6

821J

C22

7

821J

C36

5

102J

C35

0

102J

C23

5

104K

C24

0

104K

C24

1

104K

+3.3V

L217BLM15PG100SN1

C24

510

/16T

a

+

C216

10/16Ta

+

C22

810

/16T

a

+

C23

4

10/1

6Ta

+

C23

0

10/1

6Ta

+

R215

1.8K

R212

2.2K

Q203:A

2

3

4

1

Q202:A

NE5532APSR

NE5532APSR

NE5532APSRNE5532APSR

2

3

4

1

+3.3V

+3.3V

C35

5

102J

C36

9

102J

R219

2.2K

R21

1

3.3K

R21

8

3.3K

A

R21

7

22K

Q202:B

6

+6.8V

57

8

+7V

-7V

R22

7

22K

+7V

R412

22K

R413

22K

R428

22

R429

22

C40

0

100/

25

Q203:B

6

57

8

C23

1

100/

16+

L202

BLM15AG601SN1

R410

15K

R42

0

15K

R411

15K

R42

115

K

C24

610

/16T

a

+

C24

8

106K

C24

7

106K

NALAN-9121(1/8)

U44 LAN PC BOARD

-6.8V

+7.0V

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

Page 48: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-20(SD-20)NETWORK SECTION-1

A

1

2

3

4

5

B C D E F G H

PCICLK3

AD8AD9AD10AD11AD12AD13AD14AD15

AD17AD18

AD20AD21

AD24AD25AD26AD27AD28AD29AD30AD31

AD23

AD16

AD19

AD22

AD0AD1AD2AD3AD4AD5AD6AD7

PARXSTOPXDEVSELXTRDYXIRDYXFRAMEXCBE0XCBE1XCBE2XCBE3XPCIRESET

XGNT3

XREQ3

XINTD

SPDIFTXSPDIFRX

Z2ROUT

GPLDAC

Z2LOUT

MCLKBCLKLRCKSDATA

PCI BUSTO SD-21:A1

TO SD-27:E1

TO SD-27:F4

TO SD-27:F2

TO SD-27:F2

IDSEL=AD19DEVICE No H'3

INT=INTD

GNT=3

REQ=3

S/PDIF IN OUT

To Connector Diagram

ZONE2 ANALOG OUT

+3.3V

R222

47

R221

47

R210

47

R223

47

R220

47

+3.3V

+3.3V

R20

8

4.7K

R20

9

4.7K

R206

1M

R20

4

330

X20149.152MHz

+3.3V

R23

2

4.7K

R23

3

4.7K

R22

80

Q206

PCI AUDIO

ENVY24MT-G

Q204

D/A CONVERTOR

CS4344

120AD31

121AD30

123AD29

124AD28

125AD27

126AD26

127AD25

2AD24

5AD23

6AD22

8AD21

9AD20

10AD19

11AD18

12AD17

15AD16

28AD15

29AD14

30AD13

31AD12

32AD11

34AD10

35AD9

36AD8

40AD7

41AD6

42AD5

43AD4

44AD3

47AD2

48AD1

49AD0

4IDSEL

114RST#

3CBE3#

16CBE2#

25CB1E#

37CBE0#

17FRAME#

18IRDY#

19TRDY#

21DEVSEL#

22STOP#

24PAR

113INTA#

118GNT#

119REQ#

117PCICLK

50GPIO0

51GPIO1

52GPIO2

53GPIO3

56GPIO4

57GPIO5

58GPIO6

59GPIO7

75GPIO8

76GPIO9

77GPIO10

86GPIO11

88GPIO12

89GPIO13

90GPIO14

91GPIO15

128GND

116GND

108GND

100GND

87GND

80GND

74GND

55GND

46GND

39GND

33GND

26GND

20GND

14GND

7GND

122VCC

115VCC

93VCC

81VCC

54VCC

45VCC

38VCC

27VCC

13VCC

1VCC

104MTEST[3]

103MTEST[2]

101MTEST[1]

99MTEST[0]

98MTNC

97MTNC

84MTNC

83MTNC

82MTNC

102NC

23NC

69TESTEN#

68SCANEN

79PSDOUT[0]

72PSYNC

78PBCLK

85PMCLK

73PSDIN[0]

105PRST#

106PSDOUT[1]

109SPSYNC

110SPSCLK

111SPMCLKIN

112SPMCLKOUT

94RX1

95TX1

96MTNC

107SPDIN

92SPDTX

70SDA

71SCLK

67V

CC

_X1

64G

ND

_X1

65X

IN1

66X

OU

T1

63V

CC

_X2

60G

ND

_X2

61X

IN2

62X

OU

T2

R214

1.5K

R21

6

100K

R224

1.5K

R225

1.8K

R22

6

100K

R20

5

330

R207

1M

R369 0

R372 0

R229 0

Q201IS24C04A-2ZLIE2P-ROM

6SCL

5SDA

4V

SS 3

E2

2E1

1E0

7WC

8V

CC

C225

10/16

C21

5

050C

C21

4

050C

C22

3

821J

C232

104K

C233

104K

C22

9

104K

C218

104K

C219

104K

C21

2

080D

C21

3

080D

X20022.5792MHz

C22

1

104K

C222

10/16

R21

3

0

Q205S-817A33ANB-CUOT2G

3VOUT

4NC

1V

SS

2VIN

4MCLK

2SCLK/DEM

3LRCK

1SDIN

5VQ

6FILT+

8GND

9+3.3V

VA

10AOUTR

7AOUTL

+3.3V

+3.3V

C23

9

104K

C23

8

104K

C23

7

104K

C23

6

104K

C24

3

104K

C24

2

104K

C24

4

104K

C35

1

102J

C35

2

102J

C35

3

102J

C35

4

102J

C36

6

102J

C36

8

102J

+3.3V

R42

40

R42

50

C22

4

821J

C22

6

821J

C22

7

821J

C36

5

102J

C35

0

102J

C23

5

104K

C24

0

104K

C24

1

104K

+3.3V

L217BLM15PG100SN1

C24

510

/16T

a

+

C216

10/16Ta

+

C22

810

/16T

a

+

C23

4

10/1

6Ta

+

C23

0

10/1

6Ta

+

R215

1.8K

R212

2.2K

Q203:A

2

3

4

1

Q202:A

NE5532APSR

NE5532APSR

NE5532APSRNE5532APSR

2

3

4

1

+3.3V

+3.3V

C35

5

102J

C36

9

102J

R219

2.2K

R21

1

3.3K

R21

8

3.3K

A

R21

7

22K

Q202:B

6

+6.8V

57

8

+7V

-7V

R22

7

22K

+7V

R412

22K

R413

22K

R428

22

R429

22

C40

0

100/

25

Q203:B

6

57

8

C23

1

100/

16+

L202

BLM15AG601SN1

R410

15K

R42

0

15K

R411

15K

R42

115

K

C24

610

/16T

a

+

C24

8

106K

C24

7

106K

NALAN-9121(1/8)

U44 LAN PC BOARD

-6.8V

+7.0V

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

Page 49: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-21(SD-21)NETWORK SECTION-2

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

PCICLK225MHz

XFRAME

XINTA

XTRDYXDEVSELXSTOPXPERRXSERR

XIRDY

XGNT2XGNT3

XINTDXINTC

XREQ2XREQ3

XGNT0

XREQ0

AD31AD30AD29AD28AD27AD26AD25AD24AD23AD22AD21AD20AD19AD18AD17AD16AD15AD14AD13AD12AD11AD10AD9AD8AD7AD6AD5

AD3AD4

AD2AD1AD0

XPCIRESET

XCBE3XCBE2XCBE1XCBE0XFRAMEXIRDYXTRDYXDEVSELXSTOPXPERRXSERRPAR

XINTC

XGNT2

XREQ2

XGNT1

XREQ1

PCI BUS

TO SD-20:B1

IDSEL=AD18

+3.3V

R303

49.9_1%

R302

49.9_1%

R305

49.9_1%

R304

49.9_1%

R301

10K

R306

10K

R354

5.6K

R308

0

R357 0

R359 0

R362 0

+3.3V

TP218TP220

+3.3V

R390 8.2K

R391 8.2K

R392 8.2K

R393 8.2K

R394 8.2K

R395 8.2K

R396 8.2K

R397 8.2K

R402 8.2K

R406 8.2K

R407 8.2K

R398 8.2K

R399 8.2K

TP216TP214

TP215TP217TP219TP221TP222TP223TP224

TP225

TP226TP227

TP230TP231

TP234TP235

R408

47

R400 8.2KTP228TP229

R403 8.2K

R404 8.2KTP232TP233

C41

7

103K

C41

8

103K

Q209M93C46-WDW6TPE2P-ROM

1CS

4DO

3DI

2SK

5V

SS 7

DC

6NC

8V

CC

C41

6

104K

P200R45J

7

6

8

1

3

2

45

9

10

12

11

13 14

ET

HE

RN

ET

C52

8

104K

TP

238

TP

237

R401 8.2K

R405 8.2K

Q211RTL8100CL-LF

ETHERNET CONTROLLER

33AD31

34AD30

36AD29

37AD28

39AD27

40AD26

42AD25

43AD24

47AD23

49AD22

50AD21

53AD20

55AD19

57AD18

58AD17

59AD16

79AD15

82AD14

83AD13

85AD12

86AD11

87AD10

89AD9

90AD8

93AD7

95AD6

96AD5

97AD4

98AD3

102AD2

103AD1

104AD0

46IDSEL

27PCIRSTB

44C/BE3B

60C/BE2B

77C/BE1B

92C/BE0B

61FRAMEB

63IRDYB

67TRDYB

68DEVSELB

69STOPB

70PERRB

75SERRB

76PAR

25INTAB

29GNTB

30REQB

28CLK

121X1

122X2

127RSET

9NC

10NC

11NC

13NC

14NC

15NC

16NC

18NC

19NC

22NC

24NC

45NC

48NC

62NC

64NC

72NC

73NC

74NC

88NC

110NC

113NC

112NC

116NC

118NC

120NC

126NC

125NC

128GND

124GND

123GND

119GND

101GND

91GND

81GND

66GND

51GND

38GND

107VDD33

94VDD33

84VDD33

71VDD33

56VDD33

41VDD33

26VDD33

100GND

80GND

52GND

35GND

99VDD25

78VDD25

54VDD25

32VDD25

21GND

17GND

20AVDD33

7AVDD33

3AVDD33

12AVDD25

8CTRL25

114LED2

115LED1

117LED0

4GND

23ISOLATEB

2TX-

1TX+

6RX-

5RX+

65CLKRUNB

105LWAKE

31PMEB

111EESK

109AUX/EEDI

108EEDO

106EECS

C42

4

104K

C42

3

104K

C42

2

104K

C42

9

104K

C42

8

104K

C42

7

104K

C42

6

104K

+3.3V

+2.5V

C42

5

104K

C43

8

104K

C43

9

104K

C44

0

104K

C44

1

104K

C43

5

104K

C43

6

104K

C32

8

102J

C32

7

102J

C32

6

102J

C32

5

102J

C32

4

102J

C32

9

102J

+2.5V

L208

BLM15AG102AN1

Q2102SB1197K

C43

7

104K

L210

BLM15AG102AN1

+3.3V

L209BLM15AG102AN1

+3.3V

C42

010

4K

TP236

C42

110

/16T

a+

C43

0

10/1

6Ta

+

C43

3

10/1

6Ta

+

C43

110

6KC

434

106K

C43

2

106K

NALAN-9121(2/8)

U44 LAN PC BOARD

TO SD-27:B3

TO SD-27:E1

+3.3V

+2.5V

+2.5V

+3.3V

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

Page 50: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-21(SD-21)NETWORK SECTION-2

A

1

2

3

4

5

B C D E F G H

PCICLK225MHz

XFRAME

XINTA

XTRDYXDEVSELXSTOPXPERRXSERR

XIRDY

XGNT2XGNT3

XINTDXINTC

XREQ2XREQ3

XGNT0

XREQ0

AD31AD30AD29AD28AD27AD26AD25AD24AD23AD22AD21AD20AD19AD18AD17AD16AD15AD14AD13AD12AD11AD10AD9AD8AD7AD6AD5

AD3AD4

AD2AD1AD0

XPCIRESET

XCBE3XCBE2XCBE1XCBE0XFRAMEXIRDYXTRDYXDEVSELXSTOPXPERRXSERRPAR

XINTC

XGNT2

XREQ2

XGNT1

XREQ1

PCI BUS

TO SD-20:B1

IDSEL=AD18

+3.3V

R303

49.9_1%

R302

49.9_1%

R305

49.9_1%

R304

49.9_1%

R301

10K

R306

10K

R354

5.6K

R308

0

R357 0

R359 0

R362 0

+3.3V

TP218TP220

+3.3V

R390 8.2K

R391 8.2K

R392 8.2K

R393 8.2K

R394 8.2K

R395 8.2K

R396 8.2K

R397 8.2K

R402 8.2K

R406 8.2K

R407 8.2K

R398 8.2K

R399 8.2K

TP216TP214

TP215TP217TP219TP221TP222TP223TP224

TP225

TP226TP227

TP230TP231

TP234TP235

R408

47

R400 8.2KTP228TP229

R403 8.2K

R404 8.2KTP232TP233

C41

7

103K

C41

8

103K

Q209M93C46-WDW6TPE2P-ROM

1CS

4DO

3DI

2SK

5V

SS 7

DC

6NC

8V

CC

C41

6

104K

P200R45J

7

6

8

1

3

2

45

9

10

12

11

13 14

ET

HE

RN

ET

C52

8

104K

TP

238

TP

237

R401 8.2K

R405 8.2K

Q211RTL8100CL-LF

ETHERNET CONTROLLER

33AD31

34AD30

36AD29

37AD28

39AD27

40AD26

42AD25

43AD24

47AD23

49AD22

50AD21

53AD20

55AD19

57AD18

58AD17

59AD16

79AD15

82AD14

83AD13

85AD12

86AD11

87AD10

89AD9

90AD8

93AD7

95AD6

96AD5

97AD4

98AD3

102AD2

103AD1

104AD0

46IDSEL

27PCIRSTB

44C/BE3B

60C/BE2B

77C/BE1B

92C/BE0B

61FRAMEB

63IRDYB

67TRDYB

68DEVSELB

69STOPB

70PERRB

75SERRB

76PAR

25INTAB

29GNTB

30REQB

28CLK

121X1

122X2

127RSET

9NC

10NC

11NC

13NC

14NC

15NC

16NC

18NC

19NC

22NC

24NC

45NC

48NC

62NC

64NC

72NC

73NC

74NC

88NC

110NC

113NC

112NC

116NC

118NC

120NC

126NC

125NC

128GND

124GND

123GND

119GND

101GND

91GND

81GND

66GND

51GND

38GND

107VDD33

94VDD33

84VDD33

71VDD33

56VDD33

41VDD33

26VDD33

100GND

80GND

52GND

35GND

99VDD25

78VDD25

54VDD25

32VDD25

21GND

17GND

20AVDD33

7AVDD33

3AVDD33

12AVDD25

8CTRL25

114LED2

115LED1

117LED0

4GND

23ISOLATEB

2TX-

1TX+

6RX-

5RX+

65CLKRUNB

105LWAKE

31PMEB

111EESK

109AUX/EEDI

108EEDO

106EECS

C42

4

104K

C42

3

104K

C42

2

104K

C42

9

104K

C42

8

104K

C42

7

104K

C42

6

104K

+3.3V

+2.5V

C42

5

104K

C43

8

104K

C43

9

104K

C44

0

104K

C44

1

104K

C43

5

104K

C43

6

104K

C32

8

102J

C32

7

102J

C32

6

102J

C32

5

102J

C32

4

102J

C32

9

102J

+2.5V

L208

BLM15AG102AN1

Q2102SB1197K

C43

7

104K

L210

BLM15AG102AN1

+3.3V

L209BLM15AG102AN1

+3.3V

C42

010

4K

TP236

C42

110

/16T

a+

C43

0

10/1

6Ta

+

C43

3

10/1

6Ta

+

C43

110

6KC

434

106K

C43

2

106K

NALAN-9121(2/8)

U44 LAN PC BOARD

TO SD-27:B3

TO SD-27:E1

+3.3V

+2.5V

+2.5V

+3.3V

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

Page 51: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-22(SD-22)NETWORK SECTION-3

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

D0D8D1D9

D2D10D3D11

D6D14D7D15

D4D12D5D13

A23

A2A1

A3A4A5A6A7A8A9A10A11A12A13A14A15A16A17A18A19A20A21A22

XWE

XRESET

XRDXCS0

TO SD-25:B1

TO SD-25:G4

TO SD-27:B4

FL_WP

ADDRESS BUS [0:23]

DATA BUS [0:63]

E

G RD

CS0

R329

47

1234 5

678

+3.3V

+3.3V

R323

47

1234 5

678

R320

47

1234 5

678

R326

47

1234 5

678

R315

0

TP

211

TP

212

Q212

FLASH ROM

M29W128FL-70N6E

48DQ6

49DQ14

50DQ7

51DQ15/A-1

35DQ0

36DQ8

37DQ1

38DQ9

44DQ4

45DQ12

46DQ5

47DQ13

39DQ2

40DQ10

41DQ3

42DQ11

16WP/AAC

17RY/BY

43VCC

52VSS

33VSS

14RESET

32CE

13WE

34OE

28NC

27NC

30NC

29VIO

53BYTE

31A0

26A1

25A2

24A3

23A4

22A5

21A6

20A7

10A8

9A9

8A10

7A11

6A12

5A13

4A14

3A15

54A16

19A17

18A18

11A19

12A20

15A21

2A22

1A23/NC

56A24/NC

55A25/NC

R339

0

TP

210

TP

209

+3.3V

C32

0

102J

C32

2

102J

C32

1

102J

C44

9

104K

+3.3V

C45

1

104K

C45

010

/16T

a

+

R332

10K

C32

3

102J

R431

0

NALAN-9121(3/8)

U44 LAN PC BOARD

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

R385

0

Page 52: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-22(SD-22)NETWORK SECTION-3

A

1

2

3

4

5

B C D E F G H

D0D8D1D9

D2D10D3D11

D6D14D7D15

D4D12D5D13

A23

A2A1

A3A4A5A6A7A8A9A10A11A12A13A14A15A16A17A18A19A20A21A22

XWE

XRESET

XRDXCS0

TO SD-25:B1

TO SD-25:G4

TO SD-27:B4

FL_WP

ADDRESS BUS [0:23]

DATA BUS [0:63]

E

G RD

CS0

R329

47

1234 5

678

+3.3V

+3.3V

R323

47

1234 5

678

R320

47

1234 5

678

R326

47

1234 5

678

R315

0

TP

211

TP

212

Q212

FLASH ROM

M29W128FL-70N6E

48DQ6

49DQ14

50DQ7

51DQ15/A-1

35DQ0

36DQ8

37DQ1

38DQ9

44DQ4

45DQ12

46DQ5

47DQ13

39DQ2

40DQ10

41DQ3

42DQ11

16WP/AAC

17RY/BY

43VCC

52VSS

33VSS

14RESET

32CE

13WE

34OE

28NC

27NC

30NC

29VIO

53BYTE

31A0

26A1

25A2

24A3

23A4

22A5

21A6

20A7

10A8

9A9

8A10

7A11

6A12

5A13

4A14

3A15

54A16

19A17

18A18

11A19

12A20

15A21

2A22

1A23/NC

56A24/NC

55A25/NC

R339

0

TP

210

TP

209

+3.3V

C32

0

102J

C32

2

102J

C32

1

102J

C44

9

104K

+3.3V

C45

1

104K

C45

010

/16T

a

+

R332

10K

C32

3

102J

R431

0

NALAN-9121(3/8)

U44 LAN PC BOARD

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

R385

0

Page 53: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-23(SD-23)NETWORK SECTION-4

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

D57D58

D61

XCS1

D52

SDCKEXRASXCAS

SDCLK

DQM64LLDQM64UU

DQM64UL

DQM64LUDQMULDQMLLDQMUUDQMLU

TO SD-25:G4-G5

TO SD-25:B1

D20

D2D5D6D7

D34

D25D26

D29

D44

D43D41

D40

D59

D60D62

D63

D53D50D48

D42

D45D46

D47

D54

D51D55

D49

D37D39D38

D56D33D32D36D35

D16

D17D18

D21

D1D3

D28D30

D22

D19D23

D24

D0D4

D9D11D10

D13D14

D15

D31D27

D8D12

A1A0

A2A3A4A5A6A7A8A9A10A11

A13A14

A0A1A2A3A4A5A6A7A8A9A10A11

A13A14

XWE

DQMLUDQMUUDQMLLDQMUL

SDCLKSDCKE

DQM64LUDQM64UUDQM64LLDQM64UL

SDCLKSDCKE

XRASXCASXWEXCS1

XRASXCASXWEXCS1

VDD2_MEM3.3V

VDD1_MEM3.3V

ADDRESS BUS A[0:22]

DATA BUS D[0:64]

100MHz

R324

47

12345

678

R327

47

12345

678

R321

47

12345

678

R318

47

12345

678

R335

47

12345

678

R333

47

8765 4

321

R330

47

12345

678

R328

47

12345

678

R336

47

12345

678

R338

47

12345

678

R334

47

12345

678

R331

47

12345

678

R325

47

12345

678

R322

47

12345

678

R319

47

12345

678

R337

47

12345

678

C30

0

102J

C30

1

102J

C30

3

102J

C30

2

102J

C454 104K

C498 104K

C452 104K

C453 104K

C455 104K

C456 104K

C457 104K

C458 104K

C459 104K

C499 104K

C474 104K

C475 104K

C476 104KC497 104K

C460 104K

C461 104K

C462 104K

C464 104K

C465 104K

C473 104K

C472 104K

C463 104K

C466 104K

C467 104K

C468 104K

C469 104K

C470 104K

C471 104K

Q21

3K

4M56

3233

G-H

N75

TS

DR

AM

Q21

4K

4M56

3233

G-H

N75

TS

DR

AM

E2DQ31

D3DQ30

D2DQ29

B1DQ28

C2DQ27

A1DQ26

C3DQ25

A2DQ24

A8DQ23

C7DQ22

A9DQ21

C8DQ20

B9DQ19

D8DQ18

D7DQ17

E8DQ16

R1DQ13

R2DQ15

N3DQ14

N2DQ12

P1DQ11

M2DQ10

L2DQ8

M3DQ9

M7DQ6

L8DQ7

M8DQ5

P9DQ4

N8DQ3

R9DQ2

R8DQ0

N7DQ1

B2VDDQ

B7VDDQ

C9VDDQ

D9VDDQ

E1VDDQ

L1VDDQ

N9VDDQ

M9VDDQ

P2VDDQ

P7VDDQ

B3VSSQ

B8VSSQ

C1VSSQ

D1VSSQ

E9VSSQ

L9VSSQ

M1VSSQ

N1VSSQ

P3VSSQ

P8VSSQ

R3VSS

L3VSS

A3VSS

F1VSS

R7VDD

L7VDD

F9VDD

A7VDD

J8CS

K8WE

K7CAS

J9RAS

J2CKE

J1CLK

K9DQM0

K1DQM1

F8DQM2

F2DQM3

H7NC

E7NC

K3NC

K2NC

E3NC

G8A0

G9A1

F7A2

F3A3

G1A4

G2A5

G3A6

H1A7

H2A8

J3A9

G7A10

H9A11

J7BA0

H8BA1

H3NC(A12)

C29

8

102J

C29

9

102J

L215

BLM15PG100SN1

+3.3V

C31

6

102J

C31

7

102J

C31

8

102J

C31

9

102J

L216BLM15PG100SN1

+3.3V

E2DQ31

D3DQ30

D2DQ29

B1DQ28

C2DQ27

A1DQ26

A2DQ24

C3DQ25

C7DQ22

A8DQ23

A9DQ21

C8DQ20

B9DQ19

D8DQ18

D7DQ17

E8DQ16

N3DQ14

R2DQ15

R1DQ13

N2DQ12

P1DQ11

M2DQ10

M3DQ9

L2DQ8

L8DQ7

M7DQ6

M8DQ5

P9DQ4

N8DQ3

R9DQ2

R8DQ0

N7DQ1

B2VDDQ

B7VDDQ

C9VDDQ

D9VDDQ

E1VDDQ

L1VDDQ

N9VDDQ

M9VDDQ

P2VDDQ

P7VDDQ

B3VSSQ

B8VSSQ

C1VSSQ

D1VSSQ

E9VSSQ

L9VSSQ

M1VSSQ

N1VSSQ

P3VSSQ

P8VSSQ

R3VSS

L3VSS

A3VSS

F1VSS

R7VDD

L7VDD

F9VDD

A7VDD

J8CS

K8WE

K7CAS

J9RAS

J2CKE

J1CLK

K9DQM0

K1DQM1

F8DQM2

F2DQM3

H7NC

E7NC

K3NC

K2NC

E3NC

G8A0

G9A1

F7A2

F3A3

G1A4

G2A5

G3A6

H1A7

H2A8

J3A9

G7A10

H9A11

J7BA0

H8BA1

H3NC(A12)

C49

3

C49

1 +

C31

4

102J

C31

5

102J

C53

4

105Z

C53

5

105Z

C49

010

/16T

a

10/1

6Ta

+

C47

7

10/1

6Ta

+

C47

8

10/1

6Ta

+

C47

9

106K

C48

0

106K

C49

2

106K

106K

NALAN-9121(4/8)

U44 LAN PC BOARD

+3.3V

+3.3V

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

Page 54: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-23(SD-23)NETWORK SECTION-4

A

1

2

3

4

5

B C D E F G H

D57D58

D61

XCS1

D52

SDCKEXRASXCAS

SDCLK

DQM64LLDQM64UU

DQM64UL

DQM64LUDQMULDQMLLDQMUUDQMLU

TO SD-25:G4-G5

TO SD-25:B1

D20

D2D5D6D7

D34

D25D26

D29

D44

D43D41

D40

D59

D60D62

D63

D53D50D48

D42

D45D46

D47

D54

D51D55

D49

D37D39D38

D56D33D32D36D35

D16

D17D18

D21

D1D3

D28D30

D22

D19D23

D24

D0D4

D9D11D10

D13D14

D15

D31D27

D8D12

A1A0

A2A3A4A5A6A7A8A9A10A11

A13A14

A0A1A2A3A4A5A6A7A8A9A10A11

A13A14

XWE

DQMLUDQMUUDQMLLDQMUL

SDCLKSDCKE

DQM64LUDQM64UUDQM64LLDQM64UL

SDCLKSDCKE

XRASXCASXWEXCS1

XRASXCASXWEXCS1

VDD2_MEM3.3V

VDD1_MEM3.3V

ADDRESS BUS A[0:22]

DATA BUS D[0:64]

100MHz

R324

47

12345

678

R327

47

12345

678

R321

47

12345

678

R318

47

12345

678

R335

47

12345

678

R333

47

8765 4

321

R330

47

12345

678

R328

47

12345

678

R336

47

12345

678

R338

47

12345

678

R334

47

12345

678

R331

47

12345

678

R325

47

12345

678

R322

47

12345

678

R319

47

12345

678

R337

47

12345

678

C30

0

102J

C30

1

102J

C30

3

102J

C30

2

102J

C454 104K

C498 104K

C452 104K

C453 104K

C455 104K

C456 104K

C457 104K

C458 104K

C459 104K

C499 104K

C474 104K

C475 104K

C476 104KC497 104K

C460 104K

C461 104K

C462 104K

C464 104K

C465 104K

C473 104K

C472 104K

C463 104K

C466 104K

C467 104K

C468 104K

C469 104K

C470 104K

C471 104K

Q21

3K

4M56

3233

G-H

N75

TS

DR

AM

Q21

4K

4M56

3233

G-H

N75

TS

DR

AM

E2DQ31

D3DQ30

D2DQ29

B1DQ28

C2DQ27

A1DQ26

C3DQ25

A2DQ24

A8DQ23

C7DQ22

A9DQ21

C8DQ20

B9DQ19

D8DQ18

D7DQ17

E8DQ16

R1DQ13

R2DQ15

N3DQ14

N2DQ12

P1DQ11

M2DQ10

L2DQ8

M3DQ9

M7DQ6

L8DQ7

M8DQ5

P9DQ4

N8DQ3

R9DQ2

R8DQ0

N7DQ1

B2VDDQ

B7VDDQ

C9VDDQ

D9VDDQ

E1VDDQ

L1VDDQ

N9VDDQ

M9VDDQ

P2VDDQ

P7VDDQ

B3VSSQ

B8VSSQ

C1VSSQ

D1VSSQ

E9VSSQ

L9VSSQ

M1VSSQ

N1VSSQ

P3VSSQ

P8VSSQ

R3VSS

L3VSS

A3VSS

F1VSS

R7VDD

L7VDD

F9VDD

A7VDD

J8CS

K8WE

K7CAS

J9RAS

J2CKE

J1CLK

K9DQM0

K1DQM1

F8DQM2

F2DQM3

H7NC

E7NC

K3NC

K2NC

E3NC

G8A0

G9A1

F7A2

F3A3

G1A4

G2A5

G3A6

H1A7

H2A8

J3A9

G7A10

H9A11

J7BA0

H8BA1

H3NC(A12)

C29

8

102J

C29

9

102J

L215

BLM15PG100SN1

+3.3V

C31

6

102J

C31

7

102J

C31

8

102J

C31

9

102J

L216BLM15PG100SN1

+3.3V

E2DQ31

D3DQ30

D2DQ29

B1DQ28

C2DQ27

A1DQ26

A2DQ24

C3DQ25

C7DQ22

A8DQ23

A9DQ21

C8DQ20

B9DQ19

D8DQ18

D7DQ17

E8DQ16

N3DQ14

R2DQ15

R1DQ13

N2DQ12

P1DQ11

M2DQ10

M3DQ9

L2DQ8

L8DQ7

M7DQ6

M8DQ5

P9DQ4

N8DQ3

R9DQ2

R8DQ0

N7DQ1

B2VDDQ

B7VDDQ

C9VDDQ

D9VDDQ

E1VDDQ

L1VDDQ

N9VDDQ

M9VDDQ

P2VDDQ

P7VDDQ

B3VSSQ

B8VSSQ

C1VSSQ

D1VSSQ

E9VSSQ

L9VSSQ

M1VSSQ

N1VSSQ

P3VSSQ

P8VSSQ

R3VSS

L3VSS

A3VSS

F1VSS

R7VDD

L7VDD

F9VDD

A7VDD

J8CS

K8WE

K7CAS

J9RAS

J2CKE

J1CLK

K9DQM0

K1DQM1

F8DQM2

F2DQM3

H7NC

E7NC

K3NC

K2NC

E3NC

G8A0

G9A1

F7A2

F3A3

G1A4

G2A5

G3A6

H1A7

H2A8

J3A9

G7A10

H9A11

J7BA0

H8BA1

H3NC(A12)

C49

3

C49

1 +

C31

4

102J

C31

5

102J

C53

4

105Z

C53

5

105Z

C49

010

/16T

a

10/1

6Ta

+

C47

7

10/1

6Ta

+

C47

8

10/1

6Ta

+

C47

9

106K

C48

0

106K

C49

2

106K

106K

NALAN-9121(4/8)

U44 LAN PC BOARD

+3.3V

+3.3V

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

Page 55: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-24(SD-24)NETWORK SECTION-5

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

XBOOTMODE0

XINTC

PCICLK

TO SD-21:A1

TO SD-27:B1

TO SD-27:F4

PARXCBE0

AD0AD1AD2AD3AD4

AD7

AD5AD6

AD10

AD8AD9

AD11

AD14

AD12AD13

AD15

XTRDYXFRAME

XIRDY

AD16

AD18AD17

XCBE2

AD20

AD22AD21

AD19

AD24

XCBE3

AD23

AD26

AD28AD27

AD25

AD30AD31

AD29

XSTOP

XCBE1

XDEVSEL

XPERRXSERR

XREQ0

XPCIRESET

XREQ1XREQ2XREQ3

XLOCK

XGNT1XGNT2XGNT3

XGNT0

XINTA

XINTD

SUTATUS0

IDSEL

IDE VDC

PCI BUS

XB

OO

TM

OD

E1

SU

TA

TU

S0

+3.3V

+1.2V +3.3V

+1.2V +3.3V

+3.3V+1.2V

+1.2V

+3.3V+1.2V

R29

4

10K

R29

5

10K

R29

6

10K

+3.3V

R29

7

10K

Q208R1232D121B-TR-F

DC-DC CONVERTOR

5VOUT/VFB

1PGND

7AGND

6TEST

4CE

3VDD

2VIN

8Lx

L206

4.7uH

+3.3V

R298

10K

R376

47

R374

0

C26

6

104K

C26

7

104K

C26

8

104K

C26

9

104K

C27

0

104K

C27

1

104K

C28

1

104K

C28

2

104K

C28

3

104K

C28

4

104K

C28

5

104K

C28

6

104K

C28

7

104K

C29

7

104K

Q20

0:F

R5S

7090

0BG

VR

ISC

MIC

RO

PR

OC

ES

SO

R

C27

9

104K

C27

8

104K

C27

7

104K

C27

6

104K

C27

5

104K

C27

4

104K

C29

5

104K

C29

4

104K

C29

3

104K

C29

2

104K

C29

1

104K

C29

0

104K

C28

9

104K

C30

5

104K

C30

6

104K

C30

7

104K

C30

8

104K

C31

1

104K

C30

9

104K

C31

0

104K

C41

5

104K

C33

1

104K

+1.2V

+3.3V

C26

4

104K

C26

5

104K

C28

0

104K

C29

6

104K

C27

3

104K

C27

2

104K

C28

8

104K

C30

4

104K

E2AD31/CRS_1

F3AD30/EXOUT_1

E1AD29/COL_1

G4AD28

F2AD27/MII_TXD3_1

G3AD26

F1AD25/MIITXD2_1

H4AD24/TX_ER_1

G1AD23/MII_TXD0_1

J4AD22

H2AD21/TX_EN_1

J3AD20

H1AD19/TX_CLK_1

K4AD18

J2AD17/RX_CLK_1

K3AD16

N4AD15

N2AD14

N3AD13

N1AD12

P4AD11

P2AD10

P3AD9

P1AD8

R2AD7

R3AD6

R1AD5

T3AD4

T1AD3

T2AD2

U1AD1

U2AD0

G2CBE3/MII_TXD1_1

J1CBE2/RX_DV_1

M1CBE1/MDIO_1

R4CBE0

M3PAR

L4PCIFRAME

L3TRDY/MIIRXD2_1

K2IRDY/MII_RXD0_1

M4STOP

K1DEVSEL/MII_RXD1_1

D1REQ3

D2REQ2

C1REQ1

C2REQ0/REQOUT

F4GNT3/LNKSTA_1

E3GNT2/WOL_1

E4GNT1

D3GNT0/GNTIM

M2SERR/MDC_1

L1PERR/MII_RXD3_1

B3PCIRESET

B1INTA

W22INTC/PB6/A24/CTS1

V19INTD/PB7/A25/CTS0

C4PCICLK

L2LOCK/FALE

H3IDSEL/RX_ER_1

U4PA7/STATUS1/VIN7

U3PA6/STATUS0/VIN6

V1PA5/VIN5

V2PA4/VIN4

T4PA0/VIN0

AA1VIN3/SCK2/PA3

Y2VICLK/IRQOUT

Video IN/GPIQ200:E

SH7090

AB10IDED15

AA11IDED14

AB11IDED13

AA12IDED12

AB12IDED11

AA13IDED10

AB13IDED9

AA14IDED8

W16IDED7

W15IDED6

Y15IDED5

W14IDED4

Y14IDED3

W13IDED2

Y13IDED1

W12IDED0

AA10IDEA2

Y9IDEA1

W8IDEA0

AB14DIRECTION/TCLK/DACK1

W9IDEINT

W10IDEIORDY

Y11IDEIORD

W11IDEIOWR

AB9IDECS1

Y8IDECS0

Y12IODREQ

Y10IODACK

Y18IDERST

H8VDD

J8VDD

K8VDD

L8VDD

M8VDD

N8VDD

P8VDD

R8VDD

H9VDD

J9VDD

P9VDD

R9VDD

H10VDD

R10VDD

H11VDD

R11VDD

H12VDD

H13VDD

H14VDD

H15VDD

R12VDD

R13VDD

J14VDD

J15VDD

K15VDD

L15VDD

M15VDD

N15VDD

P15VDD

R15VDD

P14VDD

R14VDD

K9VSS

L9VSS

M9VSS

N9VSS

J10VSS

K10VSS

L10VSS

M10VSS

N10VSS

P10VSS

J11VSS

K11VSS

L11VSS

M11VSS

N11VSS

P11VSS

J12VSS

K12VSS

L12VSS

M12VSS

N12VSS

P12VSS

J13VSS

K13VSS

L13VSS

M13VSS

N13VSS

P13VSS

K14VSS

L14VSS

M14VSS

N14VSS

W21VSS

E11VSS

E13VSS

E15VSS

E17VSS

T18VSS

P18VSS

M18VSS

K18VSS

H18VSS

F18VSS

A22VSS

B21VSS

U5VSS

R5VSS

N5VSS

L5VSS

J5VSS

G5VSS

B2VSS

A1VSS

V6VSS

V8VSS

V10VSS

V12VSS

V14VSS

V16VSS

E10VDDQ

E12VDDQ

E14VDDQ

E16VDDQ

R18VDDQ

N18VDDQ

L18VDDQ

J18VDDQ

G18VDDQ

E18VDDQ

D19VDDQ

C20VDDQ

W4VDDQ

Y3VDDQ

AA2VDDQ

AB1VDDQ

C3VDDQ

F5VDDQ

E5VDDQ

D4VDDQ

T5VDDQ

P5VDDQ

M5VDDQ

K5VDDQ

H5VDDQ

V5VDDQ

V7VDDQ

V9VDDQ

V11VDDQ

V13VDDQ

V15VDDQ

U18VDDQ

V18VDDQ

V17VDDQ

L207BLM15PG100SN1

C31

3

104K

C532104K

R290

3.3K

R291

470

R289

10K

AB20DAR(CVBS)

AB21DAG(Y)

AA22DAB(C)

AA21CBU

AA17VDCCLK

AB22REXT

Y21VCCA

AA20VSSCA

Y20VSSCA

W20VCCA1

Y22VSSCA1

C33

210

/16T

a

+

C33

3

10/1

6Ta

+

C34

010

/16T

a

+

C34

1

10/1

6Ta

+

C41

4

10/1

6Ta

+

R286 1K

L205

BLM15AG102SN1

C31

2

106K

C33

4

106K

C33

5

106K

C34

2

106K

C34

3

106K

106K

C41

3

106K

C33

0

106K

NALAN-9121(5/8) U44 LAN PC BOARD

Q20

0:E

R5S

7090

0BG

VR

ISC

MIC

RO

PR

OC

ES

SO

R

Q20

0:D

R5S

7090

0BG

VR

ISC

MIC

RO

PR

OC

ES

SO

R

Q20

0:C

R5S

7090

0BG

VR

ISC

MIC

RO

PR

OC

ES

SO

R

Q20

0:B

R5S

7090

0BG

VR

ISC

MIC

RO

PR

OC

ES

SO

R

+3.3V

+1.2V

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

Page 56: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-24(SD-24)NETWORK SECTION-5

A

1

2

3

4

5

B C D E F G H

XBOOTMODE0

XINTC

PCICLK

TO SD-21:A1

TO SD-27:B1

TO SD-27:F4

PARXCBE0

AD0AD1AD2AD3AD4

AD7

AD5AD6

AD10

AD8AD9

AD11

AD14

AD12AD13

AD15

XTRDYXFRAME

XIRDY

AD16

AD18AD17

XCBE2

AD20

AD22AD21

AD19

AD24

XCBE3

AD23

AD26

AD28AD27

AD25

AD30AD31

AD29

XSTOP

XCBE1

XDEVSEL

XPERRXSERR

XREQ0

XPCIRESET

XREQ1XREQ2XREQ3

XLOCK

XGNT1XGNT2XGNT3

XGNT0

XINTA

XINTD

SUTATUS0

IDSEL

IDE VDC

PCI BUS

XB

OO

TM

OD

E1

SU

TA

TU

S0

+3.3V

+1.2V +3.3V

+1.2V +3.3V

+3.3V+1.2V

+1.2V

+3.3V+1.2V

R29

4

10K

R29

5

10K

R29

6

10K

+3.3V

R29

7

10K

Q208R1232D121B-TR-F

DC-DC CONVERTOR

5VOUT/VFB

1PGND

7AGND

6TEST

4CE

3VDD

2VIN

8Lx

L206

4.7uH

+3.3V

R298

10K

R376

47

R374

0

C26

6

104K

C26

7

104K

C26

8

104K

C26

9

104K

C27

0

104K

C27

1

104K

C28

1

104K

C28

2

104K

C28

3

104K

C28

4

104K

C28

5

104K

C28

6

104K

C28

7

104K

C29

7

104K

Q20

0:F

R5S

7090

0BG

VR

ISC

MIC

RO

PR

OC

ES

SO

R

C27

9

104K

C27

8

104K

C27

7

104K

C27

6

104K

C27

5

104K

C27

4

104K

C29

5

104K

C29

4

104K

C29

3

104K

C29

2

104K

C29

1

104K

C29

0

104K

C28

9

104K

C30

5

104K

C30

6

104K

C30

7

104K

C30

8

104K

C31

1

104K

C30

9

104K

C31

0

104K

C41

5

104K

C33

1

104K

+1.2V

+3.3V

C26

4

104K

C26

5

104K

C28

0

104K

C29

6

104K

C27

3

104K

C27

2

104K

C28

8

104K

C30

4

104K

E2AD31/CRS_1

F3AD30/EXOUT_1

E1AD29/COL_1

G4AD28

F2AD27/MII_TXD3_1

G3AD26

F1AD25/MIITXD2_1

H4AD24/TX_ER_1

G1AD23/MII_TXD0_1

J4AD22

H2AD21/TX_EN_1

J3AD20

H1AD19/TX_CLK_1

K4AD18

J2AD17/RX_CLK_1

K3AD16

N4AD15

N2AD14

N3AD13

N1AD12

P4AD11

P2AD10

P3AD9

P1AD8

R2AD7

R3AD6

R1AD5

T3AD4

T1AD3

T2AD2

U1AD1

U2AD0

G2CBE3/MII_TXD1_1

J1CBE2/RX_DV_1

M1CBE1/MDIO_1

R4CBE0

M3PAR

L4PCIFRAME

L3TRDY/MIIRXD2_1

K2IRDY/MII_RXD0_1

M4STOP

K1DEVSEL/MII_RXD1_1

D1REQ3

D2REQ2

C1REQ1

C2REQ0/REQOUT

F4GNT3/LNKSTA_1

E3GNT2/WOL_1

E4GNT1

D3GNT0/GNTIM

M2SERR/MDC_1

L1PERR/MII_RXD3_1

B3PCIRESET

B1INTA

W22INTC/PB6/A24/CTS1

V19INTD/PB7/A25/CTS0

C4PCICLK

L2LOCK/FALE

H3IDSEL/RX_ER_1

U4PA7/STATUS1/VIN7

U3PA6/STATUS0/VIN6

V1PA5/VIN5

V2PA4/VIN4

T4PA0/VIN0

AA1VIN3/SCK2/PA3

Y2VICLK/IRQOUT

Video IN/GPIQ200:E

SH7090

AB10IDED15

AA11IDED14

AB11IDED13

AA12IDED12

AB12IDED11

AA13IDED10

AB13IDED9

AA14IDED8

W16IDED7

W15IDED6

Y15IDED5

W14IDED4

Y14IDED3

W13IDED2

Y13IDED1

W12IDED0

AA10IDEA2

Y9IDEA1

W8IDEA0

AB14DIRECTION/TCLK/DACK1

W9IDEINT

W10IDEIORDY

Y11IDEIORD

W11IDEIOWR

AB9IDECS1

Y8IDECS0

Y12IODREQ

Y10IODACK

Y18IDERST

H8VDD

J8VDD

K8VDD

L8VDD

M8VDD

N8VDD

P8VDD

R8VDD

H9VDD

J9VDD

P9VDD

R9VDD

H10VDD

R10VDD

H11VDD

R11VDD

H12VDD

H13VDD

H14VDD

H15VDD

R12VDD

R13VDD

J14VDD

J15VDD

K15VDD

L15VDD

M15VDD

N15VDD

P15VDD

R15VDD

P14VDD

R14VDD

K9VSS

L9VSS

M9VSS

N9VSS

J10VSS

K10VSS

L10VSS

M10VSS

N10VSS

P10VSS

J11VSS

K11VSS

L11VSS

M11VSS

N11VSS

P11VSS

J12VSS

K12VSS

L12VSS

M12VSS

N12VSS

P12VSS

J13VSS

K13VSS

L13VSS

M13VSS

N13VSS

P13VSS

K14VSS

L14VSS

M14VSS

N14VSS

W21VSS

E11VSS

E13VSS

E15VSS

E17VSS

T18VSS

P18VSS

M18VSS

K18VSS

H18VSS

F18VSS

A22VSS

B21VSS

U5VSS

R5VSS

N5VSS

L5VSS

J5VSS

G5VSS

B2VSS

A1VSS

V6VSS

V8VSS

V10VSS

V12VSS

V14VSS

V16VSS

E10VDDQ

E12VDDQ

E14VDDQ

E16VDDQ

R18VDDQ

N18VDDQ

L18VDDQ

J18VDDQ

G18VDDQ

E18VDDQ

D19VDDQ

C20VDDQ

W4VDDQ

Y3VDDQ

AA2VDDQ

AB1VDDQ

C3VDDQ

F5VDDQ

E5VDDQ

D4VDDQ

T5VDDQ

P5VDDQ

M5VDDQ

K5VDDQ

H5VDDQ

V5VDDQ

V7VDDQ

V9VDDQ

V11VDDQ

V13VDDQ

V15VDDQ

U18VDDQ

V18VDDQ

V17VDDQ

L207BLM15PG100SN1

C31

3

104K

C532104K

R290

3.3K

R291

470

R289

10K

AB20DAR(CVBS)

AB21DAG(Y)

AA22DAB(C)

AA21CBU

AA17VDCCLK

AB22REXT

Y21VCCA

AA20VSSCA

Y20VSSCA

W20VCCA1

Y22VSSCA1

C33

210

/16T

a

+

C33

3

10/1

6Ta

+

C34

010

/16T

a

+

C34

1

10/1

6Ta

+

C41

4

10/1

6Ta

+

R286 1K

L205

BLM15AG102SN1

C31

2

106K

C33

4

106K

C33

5

106K

C34

2

106K

C34

3

106K

106K

C41

3

106K

C33

0

106K

NALAN-9121(5/8) U44 LAN PC BOARD

Q20

0:E

R5S

7090

0BG

VR

ISC

MIC

RO

PR

OC

ES

SO

R

Q20

0:D

R5S

7090

0BG

VR

ISC

MIC

RO

PR

OC

ES

SO

R

Q20

0:C

R5S

7090

0BG

VR

ISC

MIC

RO

PR

OC

ES

SO

R

Q20

0:B

R5S

7090

0BG

VR

ISC

MIC

RO

PR

OC

ES

SO

R

+3.3V

+1.2V

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

Page 57: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-25(SD-25)NETWORK SECTION-6

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

XRESET

A3

A17A18A19A20

A4A5A6A7

A0A2A1

A14

A12

A13

A15

A9A11

A10A8

A16

A21A22A23

DQMLUDQMUU

DQM64LUDQM64UUDQM64LLDQM64UL

DQMULDQMLL

XRASSDCKEXWEXCAS

SDCLK

XCS1

XRDXCS0

AUDATA3AUDATA2AUDATA1AUDATA0

RXD2TXD2

TXD1RXD1

D0D1D2D3D4D5D6D7D8D9D10D11D12D13D14D15D16D17D18D19D20D21D22D23D24D25D26D27D28D29D30D31D32D33D34D35D36D37D38D39D40D41D42D43D44D45D46D47D48D49D50D51D52D53D54D55D56D57D58D59D60D61D62D63

HUDI_MPMDAUDCK

TDOTDI

TMSTCK

TRST

ASEBRKAKAUDSYNC

USER DEBUGTERMINAL

MEMORY SECTION

TO SD-27:B4,D4

TO SD-27:F4

TO SD-27:F4

TO SD-23:H5

TO SD-22:H1&

SD-23:F1

ADDRESS BUS [0:23]

DATA BUS [0:63]

+1.2V

R258

1K

+3.3V

R275

10K

R277

1K

R24

1

10K

R24

2

10K

+3.3V

+3.3V+3.3V

R262

1KR263

1K

R260

1K

R28

0

10K

R27

1

10K

R27

2

10K

+3.3V

+3.3V

+3.3V

R265

1K

R26

6

10K

R26

9

10K

R26

8

10K

R26

7

10K R273

47

1234 5

678

R24

6

100K

R24

710

K

+3.3V

R261

47

1234 5

678

TP200

L203

BLM15AG601SN1L204

BLM15AG601SN1

R264

47

1234 5

678

R27

9

10K

R274

22

R259

47 R236:B

47

34 5

6

R237

47

1234 5

678

R240

47

1234 5

678

R243

47

1234 5

678

R244

474321 8

765

R239

47

1234 5

678

R236:A

47

12 7

8

R238

47

R356

47

R24

5

1K

R256

0

+3.3V

R25

210

0K

R25

110

0K

R24

910

0K

R29

310

0K

R29

210

0K

R255

0R253

0R254

0

Q207IS24C04A-2ZLIE2PROM

6SCL

5SDA

4V

SS 3

E2

2E1

1E0

7WC

8V

CC

C26

3

104K

R235

1M

R37

3

0

C25

510

4K

C25

910

4K

C26

1

104K

C26

0

10/1

6Ta+C25

610

/16T

a+

+3.3V

R27

6

10K

SH7090

D14D63

C14D62

D13D61

C13D60

D12D59

C12D58

D11D57

C11D56

D10D55/MDC_2

C10D54/MDIO_2

B10D53/MIIRXD2_2

A10D52/MII_RXD3_2

B11D51/MIIRXDO_2

A11D50/MIIRXD1_2

B12D49/RX_CLK_2

A12D48/RX_DV_2

D18D47

C18D46/WOL_2

D17D45/LNKSTA_2

C17D44/EXOUT_2

D16D43

C16D42

D15D41/TX_ER_2

C15D40/RX_ER_2

B15D39/TX_EN_2

A15D38/TX_CLK_2

B16D37/MII_TXD1_2

A16D36/MII_TXD0_2

B17D35/MII_TXD3_2

A17D34/MIITXD2_2

B18D33/CRS_2

A18D32/COL_2

L19D31

L20D30

K19D29

K20D28

J19D27

J20D26

H19D25

H20D24

H21D23

H22D22

J21D21

J22D20

K21D19

K22D18

L21D17

L22D16

T19D15

T20D14

R19D13

R20D12

P19D11

P20D10

N19D9

N20D8

N21D7

N22D6

P21D5

P22D4

R21D3

R22D2

T21D1

T22D0

AA15TEST_IN_HIGH

A4TEST_IN_LOW

W17TEST_IN_LOW

W1IRQ0/FWE/DTEND1

V4MODE8/FRE

W3MODE7/FD7

AA3MODE6/FD6

AB4MODE5/FD5

AA4MODE4/FD4

Y4MODE3/FD3

AB5MODE2/FD2

AA5MODE1/FD1

Y5MODE0/FD0

AB16PRESET

AA16NMI

B22CLKOUT

B14DQM64UL/WE2

A14DQM64LL/WE0

B13DQM64UU/WE3

A13DQM64LU/WE1

M21DQMUL

M22DQMLL

M20DQMLU

M19DQMUU

D20CAS

D21R/W

C22CKE

C21RAS

Y17RD

W18CS0

A21CS1

B20CS2

AB17RDY

W7RXD0/AUDATA0

Y7TXD0/AUDATA1

Y1VIN1/TXD2/PA1

W2VIN2/RXD2/PA2

W6RXD1/AUDATA2

Y6TXD1/AUDATA3

AB15TEST_OUT_OPEN

Y16BS

V3FCE

AA6SCK0/AUDSYNC/FCLE

AB6SCK1/ASEBRKAK/BRKACK/FR/B

W5IRQ1/WDTOVF/AUDCK/DREQ1

B4MPMD

AA7TDO

AB8TDI

AA9TRST

AA8TMS

AB7TCK

AB3SDA

AB2SCL

C19A0

A19A2

B19A1

A20A3

D22A4

E21A5

E20A6

E19A7

G20A11

F19A9

F20A8

E22A10

G19A12

G22A15

F21A14

F22A13

G21A16

U19A17

U20PB0/A18

U21PB1/A19

U22DTENDO/RTS2/PB2/A20

V20DACK0/RTS1/PB3/A21

V22DREQ0/RTS0/PB4/A22

V21CTS2/INTB/PB5/A23

W19

VD

D_P

LL2

AB

19V

DD

_PLL

1

Y19

VS

S_P

LL2

AA

19V

SS

_PLL

1

AA

18X

TA

L

AB

18E

XT

AL

X20225MHz

C25

7

050C

C25

8

050C

NALAN-9121(6/8) U44 LAN PC BOARD

Q200:AR5S70900BGV

RISC MICROPROCESSOR

+1.2V

+1.2V

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

Page 58: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-25(SD-25)NETWORK SECTION-6

A

1

2

3

4

5

B C D E F G H

XRESET

A3

A17A18A19A20

A4A5A6A7

A0A2A1

A14

A12

A13

A15

A9A11

A10A8

A16

A21A22A23

DQMLUDQMUU

DQM64LUDQM64UUDQM64LLDQM64UL

DQMULDQMLL

XRASSDCKEXWEXCAS

SDCLK

XCS1

XRDXCS0

AUDATA3AUDATA2AUDATA1AUDATA0

RXD2TXD2

TXD1RXD1

D0D1D2D3D4D5D6D7D8D9D10D11D12D13D14D15D16D17D18D19D20D21D22D23D24D25D26D27D28D29D30D31D32D33D34D35D36D37D38D39D40D41D42D43D44D45D46D47D48D49D50D51D52D53D54D55D56D57D58D59D60D61D62D63

HUDI_MPMDAUDCK

TDOTDI

TMSTCK

TRST

ASEBRKAKAUDSYNC

USER DEBUGTERMINAL

MEMORY SECTION

TO SD-27:B4,D4

TO SD-27:F4

TO SD-27:F4

TO SD-23:H5

TO SD-22:H1&

SD-23:F1

ADDRESS BUS [0:23]

DATA BUS [0:63]

+1.2V

R258

1K

+3.3V

R275

10K

R277

1K

R24

1

10K

R24

2

10K

+3.3V

+3.3V+3.3V

R262

1KR263

1K

R260

1K

R28

0

10K

R27

1

10K

R27

2

10K

+3.3V

+3.3V

+3.3V

R265

1K

R26

6

10K

R26

9

10K

R26

8

10K

R26

7

10K R273

47

1234 5

678

R24

6

100K

R24

710

K

+3.3V

R261

47

1234 5

678

TP200

L203

BLM15AG601SN1L204

BLM15AG601SN1

R264

47

1234 5

678

R27

9

10K

R274

22

R259

47 R236:B

47

34 5

6

R237

47

1234 5

678

R240

47

1234 5

678

R243

47

1234 5

678

R244

474321 8

765

R239

47

1234 5

678

R236:A

47

12 7

8

R238

47

R356

47

R24

5

1K

R256

0

+3.3V

R25

210

0K

R25

110

0K

R24

910

0K

R29

310

0K

R29

210

0K

R255

0R253

0R254

0

Q207IS24C04A-2ZLIE2PROM

6SCL

5SDA

4V

SS 3

E2

2E1

1E0

7WC

8V

CC

C26

3

104K

R235

1M

R37

3

0

C25

510

4K

C25

910

4K

C26

1

104K

C26

0

10/1

6Ta+C25

610

/16T

a+

+3.3V

R27

6

10K

SH7090

D14D63

C14D62

D13D61

C13D60

D12D59

C12D58

D11D57

C11D56

D10D55/MDC_2

C10D54/MDIO_2

B10D53/MIIRXD2_2

A10D52/MII_RXD3_2

B11D51/MIIRXDO_2

A11D50/MIIRXD1_2

B12D49/RX_CLK_2

A12D48/RX_DV_2

D18D47

C18D46/WOL_2

D17D45/LNKSTA_2

C17D44/EXOUT_2

D16D43

C16D42

D15D41/TX_ER_2

C15D40/RX_ER_2

B15D39/TX_EN_2

A15D38/TX_CLK_2

B16D37/MII_TXD1_2

A16D36/MII_TXD0_2

B17D35/MII_TXD3_2

A17D34/MIITXD2_2

B18D33/CRS_2

A18D32/COL_2

L19D31

L20D30

K19D29

K20D28

J19D27

J20D26

H19D25

H20D24

H21D23

H22D22

J21D21

J22D20

K21D19

K22D18

L21D17

L22D16

T19D15

T20D14

R19D13

R20D12

P19D11

P20D10

N19D9

N20D8

N21D7

N22D6

P21D5

P22D4

R21D3

R22D2

T21D1

T22D0

AA15TEST_IN_HIGH

A4TEST_IN_LOW

W17TEST_IN_LOW

W1IRQ0/FWE/DTEND1

V4MODE8/FRE

W3MODE7/FD7

AA3MODE6/FD6

AB4MODE5/FD5

AA4MODE4/FD4

Y4MODE3/FD3

AB5MODE2/FD2

AA5MODE1/FD1

Y5MODE0/FD0

AB16PRESET

AA16NMI

B22CLKOUT

B14DQM64UL/WE2

A14DQM64LL/WE0

B13DQM64UU/WE3

A13DQM64LU/WE1

M21DQMUL

M22DQMLL

M20DQMLU

M19DQMUU

D20CAS

D21R/W

C22CKE

C21RAS

Y17RD

W18CS0

A21CS1

B20CS2

AB17RDY

W7RXD0/AUDATA0

Y7TXD0/AUDATA1

Y1VIN1/TXD2/PA1

W2VIN2/RXD2/PA2

W6RXD1/AUDATA2

Y6TXD1/AUDATA3

AB15TEST_OUT_OPEN

Y16BS

V3FCE

AA6SCK0/AUDSYNC/FCLE

AB6SCK1/ASEBRKAK/BRKACK/FR/B

W5IRQ1/WDTOVF/AUDCK/DREQ1

B4MPMD

AA7TDO

AB8TDI

AA9TRST

AA8TMS

AB7TCK

AB3SDA

AB2SCL

C19A0

A19A2

B19A1

A20A3

D22A4

E21A5

E20A6

E19A7

G20A11

F19A9

F20A8

E22A10

G19A12

G22A15

F21A14

F22A13

G21A16

U19A17

U20PB0/A18

U21PB1/A19

U22DTENDO/RTS2/PB2/A20

V20DACK0/RTS1/PB3/A21

V22DREQ0/RTS0/PB4/A22

V21CTS2/INTB/PB5/A23

W19

VD

D_P

LL2

AB

19V

DD

_PLL

1

Y19

VS

S_P

LL2

AA

19V

SS

_PLL

1

AA

18X

TA

L

AB

18E

XT

AL

X20225MHz

C25

7

050C

C25

8

050C

NALAN-9121(6/8) U44 LAN PC BOARD

Q200:AR5S70900BGV

RISC MICROPROCESSOR

+1.2V

+1.2V

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

Page 59: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-26(SD-26)NETWORK SECTION-7

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

48MHz

DP1DM1

VUSBD1.2V

VUSBA1.2V

VUSBD3.3V

VUSBA3.3V

TO SD-27:F3

TO SD-27:B3

USBAG

USBDG

VBUS1

USB1 GND

R202

5.6K

R203

5.6K

+3.3V

L214

BLM15PG100SN1

+3.3V

R20

0

10K

R201

0

C20

2

104K

C20

3

104K

C20

6

104K

C20

7

104K

C20

9

104K

C21

0

104K

+3.3V

+1.2V

+1.2V

L200

BLM15PG100SN1

C21

1

104K

C20

5

104K

TP207TP208

+5V

C20

1

104K

B8VBUS0

A5DP1

A6DM1

B5VBUS1

A7DP0

A8DM0

E6VSSQA_USB1/AG33

E7REFRIN1

D6VDDQA_USB1(AV33)

E8VSSQA_USB0/AG33

E9REFRIN0

B7VDDQA_USB0(AV33)

C7VSSQ_USB1/DG33

B6VDDQ_USB1/DV33

A9VSSQ_USB0/DG33

B9VDDQ_USB0/DV33

C6VSSA_USB1/AG12

D7VDDA_USB1/AV12

C9VSSA_USB0/AG12

D9VDDA_USB0/AV12

C8VSS_USB0/DG12

D8VDD_USB0/DV12

C5VSS_USB1/DG12

D5VDD_USB1/DV12

A3XIN

A2XOUT

C20

0

10/1

6Ta

+

C20

8

104K

L201

BLM15PG100SN1

L213BLM15PG100SN1

C51

9

106K

C52

0

106K

C52

1

106K

C52

2

106K

NALAN-9121(7/8)

U44 LAN PC BOARD

Q200:GR5S70900BGV

RISC MICROPROCESSOR

+3.3V

+3.3V

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

TO SD-27:F3

TO SD-27:F3

Page 60: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-26(SD-26)NETWORK SECTION-7

A

1

2

3

4

5

B C D E F G H

48MHz

DP1DM1

VUSBD1.2V

VUSBA1.2V

VUSBD3.3V

VUSBA3.3V

TO SD-27:F3

TO SD-27:B3

USBAG

USBDG

VBUS1

USB1 GND

R202

5.6K

R203

5.6K

+3.3V

L214

BLM15PG100SN1

+3.3V

R20

0

10K

R201

0

C20

2

104K

C20

3

104K

C20

6

104K

C20

7

104K

C20

9

104K

C21

0

104K

+3.3V

+1.2V

+1.2V

L200

BLM15PG100SN1

C21

1

104K

C20

5

104K

TP207TP208

+5V

C20

1

104K

B8VBUS0

A5DP1

A6DM1

B5VBUS1

A7DP0

A8DM0

E6VSSQA_USB1/AG33

E7REFRIN1

D6VDDQA_USB1(AV33)

E8VSSQA_USB0/AG33

E9REFRIN0

B7VDDQA_USB0(AV33)

C7VSSQ_USB1/DG33

B6VDDQ_USB1/DV33

A9VSSQ_USB0/DG33

B9VDDQ_USB0/DV33

C6VSSA_USB1/AG12

D7VDDA_USB1/AV12

C9VSSA_USB0/AG12

D9VDDA_USB0/AV12

C8VSS_USB0/DG12

D8VDD_USB0/DV12

C5VSS_USB1/DG12

D5VDD_USB1/DV12

A3XIN

A2XOUT

C20

0

10/1

6Ta

+

C20

8

104K

L201

BLM15PG100SN1

L213BLM15PG100SN1

C51

9

106K

C52

0

106K

C52

1

106K

C52

2

106K

NALAN-9121(7/8)

U44 LAN PC BOARD

Q200:GR5S70900BGV

RISC MICROPROCESSOR

+3.3V

+3.3V

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

TO SD-27:F3

TO SD-27:F3

Page 61: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-27(SD-27)NETWORK SECTION-8

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

48MHz

25MHz

PCICLK3PCICLK2

AUDATA0

AUDATA1

AUDATA2

AUDATA3

AUDSYNC

ASEBRKAK

TMS

TDI

TRST

TDO

TCK

AUDCK

HUDI_MPMD

XRESET

PCICLK

Z2LOUT

Z2ROUT

RXD1TXD1

RXD1

TXD1

DM1DP1

SUTATUS0

XBOOTMODE0

XRESET

SPDIFTX

RXD2TXD2

SPDIFRX

FL_WP

TO SD-24:B1

TO SD-21:B4

TO SD-26:H1

33MHz

Debugger Terminal

AG

AG

+7V-7V

33MHzUSBAG

TO SD-25:G3

USBDG

USB1 GND

VBUS1

GNDD

RESET

R34

6

10K

R34

7

10K

R345

1M

+3.3V

R351

10K

+3.3V

+3.3V

+3.3V

TP203

TP204 TP205

C51

610

0/6.

3+

+7V

-7V

Q216

CY22392ZXC-386T

6XBUF

12S0

13S1

10CLKA

9CLKB

1CLKC

7CLKD

8CLKE

15S2/SUSPEND

16SHUTDOWN/OE

11GND

CLOCK GENERATOR

2VDD

14AVDD

3A

GN

D

4X

TA

LIN

5X

TA

LOU

T

R349

47

R353

33

R352

47

R340 47

R341 47

C51

7

100/

16+

C51

8

100/

16+

+3.3V

P206

3

5

7

9

11

13

15

17

19 +3.3V

AUDCK

XRESET

HUDI-MPMD

GND

AUDATA3

AUDATA2

AUDATA1

GND

2

4

6

8

10

12

14

16

18

20

TDI

TRST

TMS

GND

GND

GND

TCK

TDO

ASEBRKAK

AUDSYNC

1 AUDATA0

TP206

TP

251

TP

250

TP

241

TP242TP243TP244

TP247TP248

+5V

TP252TP253TP254TP255

TP249

TP265

TP246TP245

TP263

P20

4A

12345

P20

1A

1234

P20

2A

123456

Q215

CLOCK DRIVERCDCVF250PWR

6VDD

4GND

1CLKIN

31Y0

21Y1

51Y2

71Y3

8CLKOUT

C50

7

104K

C51

1

104K

C51

3

104K

+3.3V

TP264

TP266TP267

TP268

TP269

TP270

TP271

+3.3V

R415

0

0

R416

L212

BLM15AG102AN1

R414

0

TP

239

TP

240

P20

7123456789

TP261TP262

TP259

TP256TP257TP258

P20

5A

NA

AR

-907

4S

D-8

:G2

NA

DIS

-908

5S

D-1

3:B

5N

AT

RM

-905

5S

D-7

:C3

NA

AS

P-9

080

SD

-1:D

5

123456789

TP260

+5V

L211BLM15AG102AN1

C50

610

/16T

a

+

C51

210

/16T

a

+

C51

047

/16T

a

220/

16T

a

+

C53

3 +

C51

5

47/1

0Ta

+

X203

27MHz

R34

4

470

C51

4

106K

NALAN-9121(8/8)

U44 LAN PC BOARD

TO SD-20:B1TO SD-21:A4

TO SD-20:G2

TO SD-20:G3

TO SD-26:A2

TO SD-20:G2

TO SD-20:G2

TO SD-25:G4

TO SD-24:B2

TO SD-26:G3

TO SD-26:G4

+3.3V

+3.3V

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

TO SD-25:G3

Page 62: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-27(SD-27)NETWORK SECTION-8

A

1

2

3

4

5

B C D E F G H

48MHz

25MHz

PCICLK3PCICLK2

AUDATA0

AUDATA1

AUDATA2

AUDATA3

AUDSYNC

ASEBRKAK

TMS

TDI

TRST

TDO

TCK

AUDCK

HUDI_MPMD

XRESET

PCICLK

Z2LOUT

Z2ROUT

RXD1TXD1

RXD1

TXD1

DM1DP1

SUTATUS0

XBOOTMODE0

XRESET

SPDIFTX

RXD2TXD2

SPDIFRX

FL_WP

TO SD-24:B1

TO SD-21:B4

TO SD-26:H1

33MHz

Debugger Terminal

AG

AG

+7V-7V

33MHzUSBAG

TO SD-25:G3

USBDG

USB1 GND

VBUS1

GNDD

RESET

R34

6

10K

R34

7

10K

R345

1M

+3.3V

R351

10K

+3.3V

+3.3V

+3.3V

TP203

TP204 TP205

C51

610

0/6.

3+

+7V

-7V

Q216

CY22392ZXC-386T

6XBUF

12S0

13S1

10CLKA

9CLKB

1CLKC

7CLKD

8CLKE

15S2/SUSPEND

16SHUTDOWN/OE

11GND

CLOCK GENERATOR

2VDD

14AVDD

3A

GN

D

4X

TA

LIN

5X

TA

LOU

T

R349

47

R353

33

R352

47

R340 47

R341 47

C51

7

100/

16+

C51

8

100/

16+

+3.3V

P206

3

5

7

9

11

13

15

17

19 +3.3V

AUDCK

XRESET

HUDI-MPMD

GND

AUDATA3

AUDATA2

AUDATA1

GND

2

4

6

8

10

12

14

16

18

20

TDI

TRST

TMS

GND

GND

GND

TCK

TDO

ASEBRKAK

AUDSYNC

1 AUDATA0

TP206

TP

251

TP

250

TP

241

TP242TP243TP244

TP247TP248

+5V

TP252TP253TP254TP255

TP249

TP265

TP246TP245

TP263

P20

4A

12345

P20

1A

1234

P20

2A

123456

Q215

CLOCK DRIVERCDCVF250PWR

6VDD

4GND

1CLKIN

31Y0

21Y1

51Y2

71Y3

8CLKOUT

C50

7

104K

C51

1

104K

C51

3

104K

+3.3V

TP264

TP266TP267

TP268

TP269

TP270

TP271

+3.3V

R415

0

0

R416

L212

BLM15AG102AN1

R414

0

TP

239

TP

240

P20

7123456789

TP261TP262

TP259

TP256TP257TP258

P20

5A

NA

AR

-907

4S

D-8

:G2

NA

DIS

-908

5S

D-1

3:B

5N

AT

RM

-905

5S

D-7

:C3

NA

AS

P-9

080

SD

-1:D

5

123456789

TP260

+5V

L211BLM15AG102AN1

C50

610

/16T

a

+

C51

210

/16T

a

+

C51

047

/16T

a

220/

16T

a

+

C53

3 +

C51

5

47/1

0Ta

+

X203

27MHz

R34

4

470

C51

4

106K

NALAN-9121(8/8)

U44 LAN PC BOARD

TO SD-20:B1TO SD-21:A4

TO SD-20:G2

TO SD-20:G3

TO SD-26:A2

TO SD-20:G2

TO SD-20:G2

TO SD-25:G4

TO SD-24:B2

TO SD-26:G3

TO SD-26:G4

+3.3V

+3.3V

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

TO SD-25:G3

Page 63: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-28(SD-28)HD RADIO SECTION

TX-NR906/NA906A

1

2

3

4

5

B C D E F G H

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

HDIDMRST

HD_OCLKHD_SDO

HD_SCLKHD_LRCLK

+1.8V

+3.3V

STEREO

5V

DGND

DGND

DGND

+5V

I2S_SCKI2S_SDA

STEREO

SD

+15V

+14.9V

-15V

-14.9V

HDIDMRST

R_OUT

L_OUT

I2S_SDAI2S_SCK

SD

+3.3V

DGND

+4V_B

+4V_B

+4V_A

+4V_A

+1.2VHD+1.2VHD

+8.5V

+3.3V

+5.0V

VLEVEL

AG

+8.3V +9V

HD_OCLKHD_LRCLKHD_SCLKHD_SDO

TO

NA

TR

M-9

055

SD

-7:C

3T

O N

AA

R-9

075

SD

-8:G

3

R23 47

R24

47

R1947

R15 47

L3BK1608LM182

L2

BK1608LM182

R22 470

Q1TA48018AF

1I

2G

3O

C14

470/

10

R5

2KB

R11

2.2K

R13

2KB

R12

2.2K

R3 1M

R201M

S1

S2

R18 0

R10 0

R16

4.7K

R17

4.7K

C3

104Z

C2

470/

10

C27

10/50

R43

100K

R42

100K

C26

10/50

ANTENNA

FM

AM

R8 100

R4 100

R7 100

C4

10/5

0

R31

22

Q9:B

NE5532APSR

6

5

4

7

Q10:BNE5532APSR

6

5

4

7C910/50

C12

10/50

R2 100

R30

22

P21

2

34

C18

100/

16+

Q9:A

NE5532APSR

3

21

8

Q3:B

6

5

4

7

Q3:A

NJM2903V

3

21

8

Q8BD7820

5A

DJ

4O

UT

PU

T3

GN

D2

INP

UT

1_S

HU

TC11 104Z

C17

104Z

C15

104Z

R25

0

R26

0

R53

1(1W) 1(1W)

R54

C16

104Z

C19

10/5

0

C10

224Z

U1

HD

RA

DIO

MO

DU

LE

30Audio GND

29R_OUT

28L_OUT

27GND

26Reserved

25AXR1_5

24GND

231.2Vdc

221.2Vdc

21GND

203.3Vdc

19RESET

18GND

17AXR0_2 (IIS_DATA)

16AHCLKX0(IIS_MCLK)

15GND

14ACLKX0(IIS_SCLK)

13AFSX0(IIS_LRCK)

12GND

11HPPI_SDA

10HPPI_SCL

9GND

81.8Vdc

7GND

6V-LEVEL

5GND

45Vdc

3GND

28.5Vdc

1RF GND

RF5RF GND

RF4FM input

RF3RF GND

RF2AM input

RF1RF GND

P1

P51

234

Q7TA48033AF

3O

2G

1I

C13

104Z

L4

022KQ6TA4805

3O

1I

2G

Q11

XC

6213

B33

2MR

1V

IN2

VS

S3

CE

4N

C

5V

OU

T

C20

105K

P10

1A

12345

67

89

10

111213

C1

470/

10

R33

22

Q4CS43442 ch DAC

1SDIN

2DEM/SCLK

3LRCK

4MCLK

5VQ

6FILT+

7AOUTL

8GND

9VA

10AOUTR

R14

10K

R28

39K

R27

27K

R29

27K

Q10:A

NE5532APSR

3

21

8

R6

10K

R1

8.2K

R21

6.8K

C8104Z

C7

470/10

R40

2.2K

R38

2.2K

C24

102J

C22

102J

R36 NC

R34

0

R37 NC

R35

0

R41

2.2K

R39

2.2K

C25

102J

C23

102J

R44

1.2K

R48

8.2K

R49

8.2K

R45

1.2K

R50

6.8K

R46

3.3K

R47

3.3K

R51

6.8K

R52

15

NARF-9118 U43 HD RADIO PC BOARD

+3.3V

+9V

Page 64: Onkyo TX-nr906 Service Manual

TX-NR906/NA906

SCHEMATIC DIAGRAMS-28(SD-28)HD RADIO SECTION

A

1

2

3

4

5

B C D E F G H

<Note>SD-x:XY is short for Shcematic Diagram-x andeach socket's location, X=A to H, Y=1 to 5.

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.REPLACE ONLY WITH PART NUMBER SPECIFIED.VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uFALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.EX) PRINTING SIDECIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

NOTE

HDIDMRST

HD_OCLKHD_SDO

HD_SCLKHD_LRCLK

+1.8V

+3.3V

STEREO

5V

DGND

DGND

DGND

+5V

I2S_SCKI2S_SDA

STEREO

SD

+15V

+14.9V

-15V

-14.9V

HDIDMRST

R_OUT

L_OUT

I2S_SDAI2S_SCK

SD

+3.3V

DGND

+4V_B

+4V_B

+4V_A

+4V_A

+1.2VHD+1.2VHD

+8.5V

+3.3V

+5.0V

VLEVEL

AG

+8.3V +9V

HD_OCLKHD_LRCLKHD_SCLKHD_SDO

TO

NA

TR

M-9

055

SD

-7:C

3T

O N

AA

R-9

075

SD

-8:G

3

R23 47

R24

47

R1947

R15 47

L3BK1608LM182

L2

BK1608LM182

R22 470

Q1TA48018AF

1I

2G

3O

C14

470/

10

R5

2KB

R11

2.2K

R13

2KB

R12

2.2K

R3 1M

R201M

S1

S2

R18 0

R10 0

R16

4.7K

R17

4.7K

C3

104Z

C2

470/

10

C27

10/50

R43

100K

R42

100K

C26

10/50

ANTENNA

FM

AM

R8 100

R4 100

R7 100

C4

10/5

0

R31

22

Q9:B

NE5532APSR

6

5

4

7

Q10:BNE5532APSR

6

5

4

7C910/50

C12

10/50

R2 100

R30

22

P21

2

34

C18

100/

16+

Q9:A

NE5532APSR

3

21

8

Q3:B

6

5

4

7

Q3:A

NJM2903V

3

21

8

Q8BD7820

5A

DJ

4O

UT

PU

T3

GN

D2

INP

UT

1_S

HU

T

C11 104Z

C17

104Z

C15

104Z

R25

0

R26

0

R53

1(1W) 1(1W)

R54

C16

104Z

C19

10/5

0

C10

224Z

U1

HD

RA

DIO

MO

DU

LE

30Audio GND

29R_OUT

28L_OUT

27GND

26Reserved

25AXR1_5

24GND

231.2Vdc

221.2Vdc

21GND

203.3Vdc

19RESET

18GND

17AXR0_2 (IIS_DATA)

16AHCLKX0(IIS_MCLK)

15GND

14ACLKX0(IIS_SCLK)

13AFSX0(IIS_LRCK)

12GND

11HPPI_SDA

10HPPI_SCL

9GND

81.8Vdc

7GND

6V-LEVEL

5GND

45Vdc

3GND

28.5Vdc

1RF GND

RF5RF GND

RF4FM input

RF3RF GND

RF2AM input

RF1RF GND

P1

P51

234

Q7TA48033AF

3O

2G

1I

C13

104Z

L4

022KQ6TA4805

3O

1I

2G

Q11

XC

6213

B33

2MR

1V

IN2

VS

S3

CE

4N

C

5V

OU

T

C20

105K

P10

1A

12345

67

89

10

111213

C1

470/

10

R33

22

Q4CS43442 ch DAC

1SDIN

2DEM/SCLK

3LRCK

4MCLK

5VQ

6FILT+

7AOUTL

8GND

9VA

10AOUTR

R14

10K

R28

39K

R27

27K

R29

27K

Q10:A

NE5532APSR

3

21

8

R6

10K

R1

8.2K

R21

6.8K

C8104Z

C7

470/10

R40

2.2K

R38

2.2K

C24

102J

C22

102J

R36 NC

R34

0

R37 NC

R35

0

R41

2.2K

R39

2.2K

C25

102J

C23

102J

R44

1.2K

R48

8.2K

R49

8.2K

R45

1.2K

R50

6.8K

R46

3.3K

R47

3.3K

R51

6.8K

R52

15

NARF-9118 U43 HD RADIO PC BOARD

+3.3V

+9V