Training course: LE810-820 English

104SEES Engineering Department

40” POWER Unit PWB, Side A

5. Printed Wiring Boards (PWBs)

Training course: LE810-820 English

105SEES Engineering Department

5. Printed Wiring Boards (PWBs)40” POWER Unit PWB, Side A Chip Parts

Training course: LE810-820 English

95SEES Engineering Department

5. Schematic Diagram (continued)

40” POWER Unit Diagram (1/2)

PFC CONTROLLER

AC DETECTION

AC

VCC1

D791

8PD

Z24B

,135

D791

9M

M3Z

13VT

1G

Q790

6PM

BT44

01,21

5

R7941511K 1/4W F

C796

047

0nF 2

5V K

D790

1BA

V99L

T1G

R7942511K 1/4W F

R793

410

0 1/1

0W F

Q790

7PM

BT44

01,21

5

C790

510

0nF 5

0V K

C790

610

nF 50

V K

R792

830

1K 1/

10W

F

R7931301K 1/10W F

R793

021

.5K 1/

10W

F

R793

310

0K 1/

10W

FC796

11u

F 25V

K

R700

1

SG70

06

FB70

023.5

1

F7001T 3.15A H 250V CY

7002

220p

F 250

VACZ7

001

TVR1

0681

KSUQ

W

CY70

0722

0pF 2

50VA

C

R78221M 1/4W F

R78251M 1/4W F

R78211M 1/4W F

FB70

013.5

1

R780

610

0K 1/

8W F

Q780

0PB

HV90

50T

R700

1A90

9K 1/

2W F

B++

B+'

AC

VCC1

1/2

R780

32M

1/8W

FR7

804

2M 1/

8W F

Q7802PMBTA45

R780

22M

1/8W

FR7

801

2M 1/

8W F

R771

251

1K 1/

4W F

1

2

PC77

03:1

K101

03H

R770

851

1K 1/

4W F

R702

010

0K 1/

10W

F

C782

310

0nF 5

0V K

Q770

3ON

5520

R770

568

.1K 1/

10W

F

R782

018

.7K 1/

10W

F

R702168.1K 1/10W F

Q770

4ON

5520

D792

1UD

ZS TE

-17 18

B

C700

233

nF 50

V K

R701

982

K 1/1

0W F

C700

115

nF 50

V K

VCC-ON B+R7636

0.1 1/2W J

R781

32K

1/10

W F

R781810K 1/10W F

R79291M 1/10W F

C780

422

0nF 1

6V K

R781

715

.4K 1/

10W

F

C780

347

nF 50

V K

C780

582

0pF 5

0V J

C780

61n

F 50V

K

C782

010

0pF 5

0V J

C780

722

0pF 5

0V J

R7819301 1/10W F

R782

6

B++

D791

6NZ

X36C

C798

81n

F 1KV

K

R797

220

K 2W

J

IC7801NCP1608BDR2G

R700

22.7

M 1W

J

CX70

0122

0nF 2

75VA

C

CY70

0847

0pF 2

50VA

C

CY70

0347

0pF 2

50VA

C CX70

0222

0nF 2

75VA

C

GT7002

R780

830

.1K 1/

4W F

C781

0

1uF 4

50V

KC7

809

1uF 4

50V

K

VCC-ON

C780222pF 50V J

C780

110

0nF 5

0V K

R781410 1/10W F

R781122.1 1/4W F

5V'

1/2

Q780

1SP

A11N

60C3

FB78

033.5

1

1

2

PC79

01:1

K101

03H

Q791

9PM

BT44

03,21

5

FB78

043.5

1

D7804BAS316

C780

0A68

uF 45

0V M

C793

22.2

uF 10

V K

C79101nF 50V K

C791115nF 50V K

C781

322

0pF 1

KV K

C793

32.2

uF 10

V K

C780

0B68

uF 45

0V M

R7904750 1/10W F

R790

82K

1/10

W F

R7907100K 1/10W F

R791

231

.6K 1/

10W

F

R7807100 1/4W F

C781

4

C798

74.7

nF 1K

V K

T7901:6AV-DP9223

R781

60.1

3 2W

J

R782

310

K 1/1

0W F

J7901

L7954CD-6.0-NB03

R791

310

K 1/1

0W F

C790

91u

F 16V

K IC7953APL431LBAI-TRL

R793

2

C79191nF 200V K

R792

566

.5 1/

4W F

C79201nF 200V K

13.2V'

R794

466

.5 1/

4W F

R794

866

.5 1/

4W F

C791

5

D792

8UD

ZS TE

-17 18

B

Q7908PMBT4401,215

D791

5UD

ZS TE

-17 18

B

C790

322

0nF 2

5V K

C790

41n

F 50V

K

C791

822

0pF 5

0V JQ7

905

2N70

02LT1

G

Q790

42N

7002

LT1G

IC7901ICE3BS03LJG

R797

120

0K 1/

10W

F

FB79

023.5

1

D7908BAS316

R794

520

K 1/4

W F

D790

91N

5408

G-47

L

C791

422

0nF 5

0V K

R7923100 1/4W F

1/2

VCC-ON

4

3 PC79

01:2

K101

03H Q7

901

2SK4

013(

STA4

,Q)

R790

30.3

1W J

R79271K 1/10W F

R792622.1 1/4W F

R792

410

K 1/1

0W F

D791

3

R794

32K

1/10

W F

C791

222

uF 10

0V M

C791

633

pF 1K

V J

D791

4UD

ZS TE

-17 24

B

Q7916PMBT4401,215

D7910BAS316 R7916

1 1/4W J

VCC1

D792

0

C796

2A22

00uF

16V

M

D790

2M

BRF2

0200

CTG

,

11

5V'

,

R793922 1/4W F

C79291nF 200V K

D7907SB2100-47L

C79301nF 200V K

D7911

1/2

CY70061.5nF 250VAC

C792

81u

F 16V

K

4

3 PC77

02:2

K101

03H C7

961A

2200

uF 16

V M

FB79063.5 1

CY70051.5nF 250VAC

FB79053.5 1

FB79150.6 10

R79192K 1/10W F 12

Z700

4

J7025

CY70

0122

0pF 2

50VA

CF7000

T 3.15A H 250V

AC

AS

R700

1B90

9K 1/

2W F

AC

NL

L'L'' GT7001J7004

D78061N5407G-47L

L7800:1QP-34A10

NTC70014 L

FL7001:1HFH-DP9443

FL7002:1HFH-DP9443

BD70

01KB

J406

G

CY70

0447

0pF 2

50VA

C

NTC70004 L

B+D7805

MUR460RLG

DIMMER

ERROR

OFL

STB

UR13.2VPNL-12VPL

C799

410

0nF 5

0V KC7

996

100n

F 50V

K

AD7924BAS316

Q791

3ON

5520

C796

1F47

0uF 1

6V M

C797

11u

F 16V

K

C797

01u

F 16V

K

R795

01M

1/10

W F

R796

210

K 1/1

0W F

R796

010

0 1/1

0W F

IC7003MIC5209-5.0YS 5V''

R796

61K

1/10

W F

R797

51K

1/10

W F

D7925BAS316 Q7

922

PMBT

4401

,215R7952

10K 1/10W F

C792

710

0nF 5

0V K

Q7911AP6679GI

C792

41u

F 16V

K

SW

R7938

51.1K 1/10W F

R795130.1K 1/10W F

C790

810

0nF 5

0V K

C796

2F33

0uF 2

5V M

R790

5B2K

1/4W

F

R790

5A2K

1/4W

F

UR13.2V

BU5V13.2V'

Q7903PMBT4403,215FB7904

3.5 1

R796

110

K 1/1

0W F

A

5V''SW

R796

922

0 1/4

W F

R791

1B30

0 2W

J

D7927BAS316

Q791

8ON

5520

Q7921PMBT4403,215

R791

1A30

0 2W

J

C797

41u

F 16V

KR7

965

10K 1

/10W

F

R795

510

K 1/1

0W F

R7954210K 1/10W F

Q791

72N

7002

LT1G

R796

762

0 3W

J

R796

862

0 3W

J

R797

062

0 3W

J

C793

110

nF 50

V KR797

662

0 3W

J

A

L7955CD-6.0-NB03

D7923BAS316

C792

347

0nF 2

5V K C7

917

100n

F 50V

K

C797

2C47

0uF 1

6V M

R793

710

0K 1/

10W

FR7

946

20K 1

/10W

F

J7902

PNL-POW

Q7909KIA378R12PI

FB79073.5 1

C791

31n

F 50V

K

R792

12K

1/4W

F

PNL-12V

A

5V''Q7061

PMBT4403,215

R776

11K

1/10

W F

R776

41K

1/10

W F

Q7920ON5520

J7703

J7704

13.2V''

1/2

IC70

61AP

L431

LBAI

-TRL

4

3 PC77

03:2

K101

03H

R776

230

1K 1/

10W

F

R776

51K

1/10

W F

R776

330

1K 1/

10W

F

C776

115

nF 50

V K

FB79093.5 1

13.2V'

C799

710

0nF 5

0V K

D7926BAS316

LB

Q791

02N

7002

LT1G

Q7914PMBT4403,215

Q7902PMBT4403,215

C796

61u

F 16V

K

R7915100K 1/10W F

R795390.9K 1/10W F

R791495.3K 1/10W F

R794

010

K 1/1

0W FR7

936

10K 1

/10W

F

R793

52K

1/10

W F

R795

810

K 1/1

0W F

R7922100K 1/10W F

R792

010

K 1/1

0W F

R794720K 1/10W F

PS-ON

BU5V

AC-D

ET

PNL-POW

A 5V''

PS-O

N

PD

D7922BAS316

Q7915PMBT4403,215

C799

110

0nF 5

0V K

C799

510

nF 50

V K

C795

810

0nF 5

0V K

R796

310

0K 1/

10W

F

AC-DET

Q792

3PM

BT44

01,21

5

R794

922

0 1/4

W F

R776

62K

1/4W

F

R797

310

0K 1/

10W

F

C792

510

0nF 5

0V K

R797

410

0K 1/

10W

F

R77671K 1/4W F

R796

45.1

1K 1/

10W

F

C776

2400 V

400 V

FEEDBACK FLYBACK

AC DETECT

FEEDBACK FLYBACK

FLYBACK CONVERTER

DRIVER ON & PFC

Training course: LE810-820 English

96SEES Engineering Department

5. Schematic Diagram (continued)

40” POWER Unit Diagram (2/2)

1/2C

T770

1:1SH

-DP9

048

C770

5C7

706

OL- OC

DD7602BAT54C

R771

410

K 1/1

0W F

R771310K 1/10W F

D7705

R776

810

0 2W

JR7

769

100 2

W J

R773

76.9

8K 1/

10W

F

VR77

021K

M

C770

4

D770

1

R770

0R7

702

R774

5

OL+ C7

714

100n

F 50V

K

R770

47.3

2K 1/

10W

F

R7602D301K 1/8W F

R7602B301K 1/8W F

R7602C301K 1/8W F

R7604301K 1/8W F

C761

62.2

uF 16

V K

C760

210

nF 50

V K

C760

71n

F 50V

K

R762810K 1/10W F

R763

030

.1K 1/

10W

F

R761

410

K 1/1

0W F

C761

42.2

uF 16

V K

R760

84.9

9K 1/

4W F

13.2V

''

R770

710

K 1/1

0W F

R770

64.0

2K 1/

10W

F

R773

22K

1/4W

F

NTC7

004

R775

0

VREF

BO

1/2

PC77

01:2

K101

03H

C761

81n

F 50V

K

R763

15.1

1K 1/

10W

F

D793

8PD

Z15B

,135

NTC7

601

C762

110

0nF 5

0V K

C761

91n

F 50V

K

R763

315

K 1/1

0W F

R763

220

K 1/1

0W F

OCD

PWMO

R773

03.0

1K 1/

10W

F

R771

010

K 1/1

0W F

VR77

015K

M R774412.4K 1/10W F

B+' IC7601DDA002CR7602A

301K 1/8W F

R763510K 1/10W F

R760

9

VCC-OND7605

STTH1R06A

D7601BAS316

D7604BAS316

R7617100 1/4W F

C7624100nF 50V K

C7627

100nF 50V K

R760110 1/4W F

R763710K 1/10W F

R761815 1/4W F

R760210 1/8W F

R7620100 1/4W F

R762115 1/4W F

OV

OV1

1/2

VREF

PC77

02:1

K101

03H

Q770

0PM

BT44

01,21

5

D7710BAS316

C771

53.3

nF 50

V K

C760

31n

F 50V

K

R775430.1K 1/10W F

R775

520

K 1/1

0W F

R762

928

7 1/1

0W F

C762

347

nF 50

V K

R778

630

.1 1/

4W F

R772

62K

1/10

W F

R764

110

K 1/1

0W F

R771

834

8K 1/

10W

F

D793

3GD

Z18B

-V-G

S08

R770

94.0

2K 1/

10W

F

R771

110

.5K 1/

10W

F

C775

047

0pF 5

0V J

R774

33.0

1K 1/

10W

F

C771

110

0nF 5

0V K

C771

210

0nF 5

0V K

D771

71N

5929

BRLG

C771

01u

F 25V

K

D770

6BA

S316

C771

31u

F 16V

K

R773

36.0

4K 1/

10W

F

C773

327

0uF 3

5V M

J760

1

R771

542

.2K 1/

10W

F

R773

410

1/4W

FD7

606 *

C7730

C7725

R772

340

.2K 1/

10W

F

C77232.2nF 50V K

PC77

01:1

K101

03H

DIM

_PU

1/2

UC1''UC1'

D7704BAS316

D7702BAS316

C7717100pF 50V J

R775110K 1/10W F

R77461M 1/10W F

BO

VREF

POK

R772

510

K 1/1

0W F

IC7702DDA003A-SG240

C774

51u

F 25V

K

C774

41u

F 25V

KR7

747

20K 1

/10W

F

C77241uF 16V K

R772430.1K 1/10W F R7785

20K 1/10W F

C775

110

0pF 5

0V J

R772

96.6

5K 1/

4W F

C772

110

nF 50

V K

C772

047

nF 50

V K

C772

222

0nF 1

6V K

C771

81n

F 50V

K

C771

910

nF 50

V K

C772

810

0nF 5

0V K

R772

24.3

M 1/

10W

JR77564.3M 1/10W J

R773

12.9

4K 1/

10W

F

R772

123

.2K 1/

10W

F

R775

223

.2K 1/

10W

F

R772

00 1

/10W

J

B+R7634

0.1 1/2W J

D7603BAS316

B+++

D750

2BY

V26C

AMP

D750

1BY

V26C

AMP

Q760

1AFQ

PF10

N60C

C7707A0 1/4W J D7

500

BYV2

6CAM

P

C762

522

0pF 1

KV K

DH-DP9116T7301A:11

LED_DRV2+

R750

120

0K 1/

4W F

R750

2

200K

1/4W

F

R750

320

0K 1/

4W F

C705

110

0nF 3

05VA

C

D7929PDZ15B,135

D778

0CBA

V99L

T1G

C772

61n

F 50V

K

C772

910

0nF 5

0V K

C773

11n

F 50V

J

C772

71.5

nF 50

V J

R775

320

0K 1/

10W

F

R774

030

1K 1/

10W

F

R773

920

5K 1/

10W

F

R774

11M

1/10

W F

R774

222

6K 1/

10W

F

R771

910

K 1/8

W F

A

R772

81K

1/10

W F

R773

510

K 1/1

0W FR7

749

1M 1/

10W

F

C770

21n

F 50V

K

Q770

52N

7002

LT1G

D770

31N

4148

TA

R773

6

R773

816

5K 1/

10W

FSTB

OFL BO

POK

VREF

ERROR

L2

Q770

62N

7002

LT1G

R771

71M

1/10

W F

R771

6

DIM

MER

Q770

12N

7002

LT1G

R775

710

K 1/1

0W F

Q770

22N

7002

LT1G

C773

41n

F 50V

K

R775

91K

1/10

W F

R775

810

K 1/1

0W F

R772

710

K 1/1

0W F

J7009

CT7601:2GJ-EE0803-027

OV1D7780BBAV99LT1G

D750

7BY

V26C

AMP

CT7701:2SH-DP9048

L1

R762

210

K 1/1

0W F

C762

622

0pF 1

KV K

Q760

1BFQ

PF10

N60C

T7301B:2DH-DP9116

R761

910

K 1/1

0W F C761

515

nF 1K

VH J

R776020K 1/10W F

R751

510

0K 1/

4W F

D7780ABAV99LT1G

D750

3BY

V26C

AMP

OV1

VREF

D750

4BY

V26C

AMP

D750

5BY

V26C

AMP

D750

6BY

V26C

AMP

C7707B0 1/4W J

R751

610

0K 1/

4W F

LED_DRV1+

LED_DRV2-

C750

110

0nF 3

05VA

C

R750

420

0K 1/

4W F

R750

520

0K 1/

4W F

R750

620

0K 1/

4W F

C750

010

0nF 3

05VA

C

R750

7

200K

1/4W

F D7930PDZ15B,135

D7931PDZ15B,135

D778

0DBA

V99L

T1G

UC1'

LED_DRV1+

LED_DRV2+ LED_DRV2-

LED_DRV1-

LED_DRV1-

UC1''C7052

100nF 305VACR750

820

0K 1/

4W F

D7932PDZ15B,135

100K

1/10

W F

R774

8

FEEDBACK LED DRIVER

RESONANT CONVERTER

OF LED DRIVER

FEEDBACK LED DRIVER DRIVER CON-

TROLLER

DRIVER ON

PANEL ERROR