gt s6310 troubleshooting

8. Level 3 Repair

8-1

Confidential and proprietary-the contents in this service guide subject to change without prior notice.Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.

8-1. Block Diagram

Level 3 Repair

Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

8-2

8-2. PCB Diagrams

8-2-1. Top

Level 3 Repair



8-3

8-2-2. Bottom

Level 3 Repair



8-4

8-3. LOGIC

8-3-1. Power On

Power switch on

NG

Connect the jig box.Check the current consum

ption>= 100mA?

DownloadNO

Check the voltage and ResolderU400

checkthe initial operation

END

Resolder or Replace UCP300

Resolder OSC400

Check the PMICrelated to PS_HOLD

Change the battery

Yes

Yes

Yes

Yes

NO

NOC433(VREG_MSMC1)=1.1V?C432(VREG_MSMC2)=1.1V?C431(VREG_MSME)=1.8V?R401(VREG_MSMP)=1.8V?C420(VREG_MSMA)=2.6V?

Yes

NOCheck the clock at

OSC400 = 32KHz ?

NOCheck the GPIO_25 of UCP300 PS_HOLD pin is 2.6V?

NOCheck the batteryvoltage

>= 3.45?

Yes

Change the main PBA

NO

Level 3 Repair



8-5

413R313R

1NO_AP_PT

V8.1_PMSM_GERV

4_OIPG|KLCP_CDCL22H

5_OIPG|7_DER_CDCL91C

62TA

KLCM_MAC|51_OIPG23TA

SA|RTHS_MAC|81_OIPG51RA

DLOH_SP|52_OIPG52RA

32_OIPG52NA

71NAA|HSALF_MAC|71_OIPG

M|BTS_GODW|61_OIPG61MA

52JA62_OIPG

1NO_AP|22_OIPG51JA

NO_TOOB_TRAU

TED_DNG

OI_MAC_NE

N_TESER_DCL

KLCM_MAC

DLOH_SP

ADS_C2I_ROSNESLCS_C2I_ROSNES

4S

1S

2S

3S

434C234C034C

V1.1_2CMSM_GERV

V1.2_AP_GERV

PCN_GERV

134C

V1.1_1CMSM_GERV

V8.1_EMSM_GERV

334C

354C

004CSO

21

254C

] 1 [] 0 [204R

004_KLC_MIS_PT

TROHS

934R

104_KLC_MIS_PT

BA

T_F

ET

_NN

11

VB

AT

N13

BA

TT

_TH

ER

MN

15

7OIPG6F8F

8OIPG

9E2OIPG

01F9OIPG

11E

6D1OIPG

11OIPG8D

5OIPG

01OIPG5C

7C4OIPG3OIPG

9C

01D6OIPG

V8.1_PMSM_GERV

104R

KLC_2MISMSM_KLC_2MIS

TRELA_LEUF

TSR_2MIS

DILAV_GHCMSM_KLC_1MISKLC_1MIS

TSR_1MIS

BAT400

50

3C

70

3C

80

3C

21

3C

92

3C

03

3C

13

3C

23

3C

33

3C

43

3C

53

3C

63

3C

C400

10

4C

C402

C403

40

4C

C405

60

4C

11

4C

41

4C

51

4C

61

4C

71

4C

81

4C

91

4C

C420

12

4C

22

4C

32

4C

52

4C

62

4C

72

4C

82

4C

C429

03

4C

13

4C2

34

CC433

C434

C435

C436

C437

93

4C

83

4C

C440

C441

44

4C

C452

C453

C604

50

6C

00

4L

10

4L

20

4L

30

4L

L515

L516

OSC400

R400

30

4R

50

4R

60

4R

90

4R

01

4R

71

4R

R602

R603

40

6R

N_

TE

SE

R_

NO

P_

PT

00

4U

40

4U

U609

Level 3 Repair



8-6

8-3-2. LCD Working

Power Switch On

Replace U607 & CheckU600,D600

NO

YesCHECK

LCD DATALINE(LCD_SDA,SCL)

C600LED_P_26V=26V?

NO

correctly connect

NOLCD Display

On?

Yes

Yes

NOResolder or replace UCP300

YesReplace LCD Replace PBA

Replace or ResolderU600,D600&

NO

LCD FPCBconnector is correctly connecti

ned?

Level 3 Repair



8-7

006U

826C

926C

3BF

DNG 2

1XL

6NIV

TUOV5

706U

4NE

RWP_HPV

126R

006C136C

916R

TROHS

026R

006D

LRTC_LB_DCL N_DEL

V62_P_DEL

V8.1_PMSM_GERV

5 6 6

77 88

9 9

52

CN CN

62

2

020212 12 22 22

3232 4242

33 445

2131 31 41 41

5151 616171 71 81 8191 91

2

006AEH

1 1

01 01

1111 21

V0.3_DCLV

606C

N_TESER_DCL_PT

706C

V62_P_DEL

N_DEL

N_TESER_DCL5V41_HGV_DCL N_0_D_IPIM

MLF

P_KLC_IPIM

N_KLC_IPIM

P_0_D_IPIM

Level 3 Repair



8-8

30

3C

C316

81

3C

82

3C

83

3C

14

3C

31

4C

C600

C601

C602

C603

C628

C629

C631

00

6D

L300

40

3R R310

11

3R

31

3R

41

3R

R316

33

3R

83

3R

00

6R

10

6R3

16

R

R619

R620

12

6R

10

6_

TNI

_P

T

U600 20

6U

70

6U

36

6U

Level 3 Repair



8-9

8-3-3. TSP

Operate TSP

NG

CheckTSP Connecting Reconnecting TSPNO

YES

CheckLCD Connecting

Reconnecting LCDNO

CheckVTOUCH_3.3V

YES

Resolder or ReplaceU400, U401

CheckTSP_SCL,SDA

Resolder or ReplaceUCP300

YES

Replace TSP

YES

NO

NO

NO Replace PBA

Level 3 Repair



8-10

8-3-4. Audio Working

Speaker Working

Operate speaker

NG

Speaker breakdown? Change Speaker

Signal on inC408,C409 ?

ResolderC408,C409

Replace U400

YES

NO

Signal on inSPK_OUT_P

& SPK_OUT_N?

ResolderL515,L516C542,C517

ZD502,ZD504

YES

NO

Change main PBA

Resolder orReplace UCP300

YES

NO

Level 3 Repair



8-11

804C91R

M_TUO_RKPSM_NI_RKPS

81P

2P

02PM_PYB_RKPS

P_TUO_RKPS22P91N12N

P_PYB_RKPSP_NI_RKPS

904C

L_HPH

R_HPH

N_TUO_KPSP_TUO_KPS

11

2 2

105TNA

005TNA

11

22

245C

615L

ZD

502

ZD

504

515L

715C

P_TUO_KPS

N_TUO_KPS

70

3C

21

3C

C400

C403

40

4C

C405

91

4C

C420

22

4C

32

4C

52

4C

82

4C

C429

03

4C

13

4C2

34

C

C433

C434

C436

C437

93

4C

83

4C

C440

C441

C452

C453

C604

50

6C

00

4L

10

4L

20

4L

30

4L

L515

L516

OSC400

R400

60

4R

90

4R

01

4R

11

4R

21

4R

31

4R7

14

R

12

4R

R602

R603

40

6R

N_

TE

SE

R_

NO

P_

PT

00

4U

40

4U

U609

Level 3 Repair



8-12

Receiver Working

Operate Receiver

NG

Signal onL518, L509 ?

Replace UCP300

NO

YES

Receiver breakdown?

YESChange Receiver

NO

Change main PBA

Check C514, C540, L518, L509,ZD503, ZD505

Resolder or ReplaceC514, C540, L518, L509, ZD503, ZD505

NO

YES

Level 3 Repair



8-13

MIC Working

Operate MIC

NG

PolluteMIC Hole?

YESClean upMIC hole

NO

Check Voltageof L505 Voltage

is 1.8V ?

NO

YES

Change main PBA

Signal on inC519, C520 ? Change UCP300

YES

NO

Signal on inC522, C538,

C526?

ResolderingC522, C525, C526

NO

YES

MICbreak down

YESResolder or Replace

MIC

NO

Level 3 Repair



8-14

835C 515R105V 225C

SH

OR

T

625R

025C

505L

1

RWP4

005CIM

2 DNG1DNG

2DNG3 DNG

5DNGDNG

6

TUO

625C

915C

V8.1_SAIB_CIMV

525RTROHS

N_CIM

P_CIM

BTC400

C445

64

4C

74

4C

C526

83

5C

MIC500

51

5R

R525

10

5V

ZD401

BOTH408

22

5C

10

6D

50

5L

62

4R

52

6R

10

5D

Z

Level 3 Repair



8-15

Stereo Headset Working

Hands-free stereoheadset

NG

YES Resolder or ReplaceU500Button NG?

NO

CheckL500MIC NG?

NOYES Resolder or ReplaceL500

YES

Replace L510,C508NO

Signal onin L502, L503SPK NG? Resolder or Replace

L502, L503

YES

YES NO

NO

The End

Resolder or ReplaceU400

Level 3 Repair



8-16

kcajraE ot esolC

735C 635C

D50

1

105L335R

235C

405C

105C

1

2

3456

D50

0

V8.1_PMSM_GERV

R52

7

ZD

507

435R205L

R52

9

005L

R52

8

715L635R

535C

ZD

506

905RTROHS

5 THGIR

005RAE

TED6

4 TED

-DNG3

TFEL7

EKIM2

405L

D50

2

425R

SH

OR

T

135C

305L

005DZ

CIM_RAETED_DNG

H

CDA_IP3

L_KPSRAER_KPSRAE

TNA_MF

605R

035C

005C705R

V8.1_PMSM_GERV105R

9TROHS

305R

V8.1_PMSM_GERV

V8.1_PMSM_GERV

CN

1TUO

6CCV

EEV2

005U

3 +NI -NI 4

5

DNG_SNS_MC_APH

N_TNI_KCAJ

TNA_MF

MSM OT ESOLC

505C

805C

115L

C52

5

C53

9

015L

315R

C5

43

905C

V8.1_SAIB_RAE

015C

215R

N_CIM_XUA

P_CIM_XUACIM_RAE

BOTH401

15

4C

C501

00

5R

AE

L504

90

5R

42

5R

00

5D

Z

Level 3 Repair



8-17

8-3-5. KEY Working

Power KEY

Press Power Key

NG

Check thePower tact key.

It is OK ?

YES

Resoldering the P/KNO

Re-check the P/KSTATE

It is OK ?Change P/K

NO

YES

Change main PBA

CheckR500 Resolder or Replace

R500

NO

YES

CheckON_SW

NO Resolder or Replace

UCP300

YES

Level 3 Repair



8-18

005R

CNCNCNCN

45

CNCN

6

1 1S2S2

205TCAT

3CNCN

WS_NO

C220

C221

83

2C

93

2C

R207

00

5R

50

6R

60

6R

70

6R

41

6R

62

6R

20

5T

CA

T

20

2U

U203

Level 3 Repair



8-19

Volume Key and Other Sub key

Press Volume Keyand Other Sub Key

Volume Key NG?Yes

NO

home KeyNG?

Yes

NO

Menu&Back KeyNG?

GO TO 8-3-3.TSPNO

Resolder or Replace TACT500 , TACT501

Resolder or Replace UCP300

Replace PBA

Level 3 Repair



8-20

3CNCN

45

CNCN

6

1 1S2S2

105TCAT

V50

0

1 1S2S2

005TCAT

3CNCN

45

CNCN

6

)0(CBK

)4(RBK

)0(CBK

)1(RBK

40

2C

50

2C

51

2C

61

2C

71

2C

81

2C

14

2C

C449

90

5C

C512

31

5C

C523

42

5C

32

6C

42

6C

80

2R

R325

R326

31

5R

R530

81

6R

22

6R

00

5T

CA

T1

05

TC

AT

TP_BT_RXD

TP_BT_TXD

10

2U

U401

60

6U

V500

Level 3 Repair



8-21

8-3-6. Vibrator Working

Operate Vibrator

NO

Check

Vibrator MotorResolder Vibrator Motor

NO

Yes

No

Yes

VREG_VIB_3.05V

(C423) = 3.05V?

Check PMIC (U400)

Check

D401,C443Resolder or Replace

D401,C443

NO

Level 3 Repair



8-22

34

4C

51

6C

10

4D

HDC601

MOT400

MOT401

22

104TOM

11

104D

V50.3_BIV_GERV

004TOM

11

22

344C

1L

V1.

V50.3_BIV_GERV

324C

MIS

TSR_2MIS

MIS

TSR_1MIS

Level 3 Repair



8-23

8-3-7. T-Flash Card Working

Insert & OperatemicroSD card

NG

YESCD500

break down ? Change CD500

NO

YESChange CD500

10thPin of CD500= High ?

NO

4thPin of CD500= 2.85V ?

Resolder or ReplaceU400(PMIC)

NO

YES

CheckUCP300

Level 3 Repair



8-24

535R

DDV4

SSV6

1TAD8

1 2TAD

TED0111 DNG

DNG2131

DNGDNG

41

9TWS

005DC

3TAD|DC2

5KLC

3DMC

70TAD

615R

815C

V8.1_PMSM_GERVV58.2_HSALFT_GERV

815R

125R

715R 915R 025R

545C

)3(ATAD_DSORCIM

KLC_DSORCIM

DMC_DSORCIM

)0(ATAD_DSORCIM)1(ATAD_DSORCIM

)2(ATAD_DSORCIM

TCETED_FTnC200

C201

C202

30

2C

40

2C

50

2C

41

2C

51

2C

61

2C

71

2C

81

2C

14

2C

C504

C512

31

5C

C514

C518

C523

42

5C

C530

53

5C

C536

73

5C

C540

C545

41

6C

32

6C

C625

C626

C627

C630

00

5D

C

00

5D

10

5D

20

5D

30

2L

40

2L

10

5L

90

5L

L518

L602

R204

50

2R 8

02

R

R516

R517

R518

R519

R520

R521

72

5R

82

5R

92

5R

R530

33

5R

43

5R

R535

63

5R

81

6R

22

6R

00

5T

CA

T

QE

R_

KLC

_T

B_

PT

TP_BT_RXD

TP_BT_TXD

YD

RD

_P

T

EK

AW

_T

SO

H_

PT

10

2U

30

6U

60

6U

V500

ZD503

50

5D

Z

Level 3 Repair



8-25

8-3-8. SIM Card Working

Check U400(PMIC)

SIM ConnectorBreak down?

NOChange SIM500

YES

No

Yes

R522= 3.0V

NG

Resolder SIM500

Insert & OperateSIM card

Check data,clk,reset line

Yes

Resolder or ReplaceU400

No

Change PBA

YES

Level 3 Repair



8-26

C208

C222

C223

C228

C240

21

4C

06

4C

C461

00

5C

90

5C

14

5C

44

5C

32

6C

42

6C

R206

R325

R326

R418

32

4R

10

5R

30

5R

60

5R

70

5R

31

5R

R521

SIM50 0 SIM501

TP_BT_FM_PCM_CLK

YD

RD

_P

T

U403

00

5U

60

6U

0V3_1MISU_GERVC

511

C5

21

CNCN

2131

CNCN

41

CN

5161

CN3 3 4 4

556 6

G

78

G

9

GG

0111

005MIS

1 122

225R

C5

44

C54

1

TSR_1MISATAD_1MISKLC_1MIS

C52

3

CN

41

CN

5161

CN

66

7

GG

89

G

01

G

11

CNCN

2131

CN

105MIS

112 2

33 445 5

0V3_2MISU_GERV

C5

13

035R

C51

2

C52

4

TSR_2MISATAD_2MISKLC_2MIS

Level 3 Repair



8-27

8-3-9 CAMERA Working

Operate CAMERA

NG

Camera connectoris connected correct? Re-connect

NO

Yes

C625 = 1.8VC626 = 1.2VC627 = 2.8V Check U400(PMIC)

NO

Yes

5MP_CAM_MCLK (u663) = 24 MHz ? Change UCP300

Yes

Re-assy or replace the camera module

NO

Level 3 Repair



8-28

C514

C518

C540

C545

C625

C626

C627

00

5D

C

90

5L

L518

L602

R516

R517

R518

R519

R520

R521

R535

SOC600

ZD503

50

5D

Z

626C

V8.1_OI_MACV

526C

206L

V8.2_A_MACV

V2.1_C_MACV

726C

55

667

78

89

9

72728282

92 92

33

03 031313

23 23

44

91 91

22

020212 12

222232 32

424252 52

6262

111121

2131314141

51 516161

71 71

81 81

006COS

11

0101

0ND_XT_IPIM

LCS_C2I_MAC

PC_XT_IPIM

ADS_C2I_MAC

NC_XT_IPIM

0PD_XT_IPIM

KLCM_MAC_M3

TESER_MAC_M3

YBTS_MAC_M3

366U

TROHS

316RKLCM_MAC_M KLCM_MAC

Level 3 Repair



8-29

8-4-1. GSM850 Rx

Resolder C103 or RFS100Check RFcable

NoU100 PIN26 ≥ -65dBm?(C103 using spectrum analyzer)

Continuous Rx ONChannel : 190 CH

Cell power : -60dBm

U100 PIN19, L111, L113≥ -68dBm?

Yes

Resolder L110, L113or Change U100

No

PIN6,7L114, L115, L116 ≥ -75dBm?

Yes

Resolder L114, L115, L116No

Check the U100`sAnt. selection diagram

No

Check Main chip(UCP300)Yes

Change U100

Yes

Level 3 Repair



8-30

8-4-2. GSM900 Rx




Cell power : -60dBm

U100 PIN19, L111, L113≥ -68dBm?

Yes

Resolder L111, L113or Change U100

No

F101 PIN8,9C114, C115, L112 ≥ -75dBm?

Yes

Resolder C114, C115, L112No


No

Check Main Chip(UCP300)Yes

Change U100

Yes

Level 3 Repair



8-31

8-4-3. DCS Rx


NoU100 PIN26 ≥ -65dBm?(L141 using spectrum analyzer)


Cell power : -60dBm

U100 PIN20, C164 ≥ -68dBm?

Yes

Resolder C164or Change U100

No

F103 PIN6,7C125, C128, L123 ≥ -75dBm?

Yes

Resolder C125, C128, L123or Change F102

No


No


Change U100

Yes

Level 3 Repair



8-32

8-4-4. PCS Rx


NoU100 PIN26 ≥ -65dBm?(L141 using spectrum analyzer)


Cell power : -60dBm

U100 PIN20, C164 ≥ -68dBm?

Yes

Resolder C164or Change U100

No

F102 PIN8,9C120, C122, L118 ≥ -75dBm?

Yes

Resolder C120, C122, L118or Change F103

No


No


Change U100

Yes

Level 3 Repair



8-33

Level 3 Repair



8-34

00

1T

NA

10

1T

NA

BOTH400C104

C105

C106

70

1C

L103

00

1S

FR

C101

20

1C

30

1C

C108

C109

01

1C

C111

C112 C113

41

1C

51

1C

61

1C

71

1C

02

1C

22

1C

52

1C

82

1C

55

1C

C160

C164

56

1C

66

1C

37

1C

47

1C

08

1C

00

1F

F101F102

30

1F

F105

00

1L

L101

20

1L

40

1L

L105

60

1L

L107

L108 L109

01

1L

L111

L112

L113

41

1L

51

1L

L116

L117

L118

L119

22

1L

L123

L130

L131

00

1M

AP

00

1R

R101

R102

R103

R104

R105

00

1_

LE

S_

TN

A_

PT

10

1_

LE

S_

TN

A_

PT

20

1_

LE

S_

TN

A_

PT

00

1U

Level 3 Repair



8-35

8-4-5. WCDMA Band1 (2100) Rx


NoU100 PIN26≥ -65dBm?(C103 using spectrum analyzer)

Continuous Rx ONChannel : 10700 CHCell power : -60dBm

U100 PIN21, L100, L101, L102≥ -68dBm?

Yes

Resolder L100, L101, L102or Change U100

No

F100 PIN1, L107, C109≥ -75dBm?

Yes

Resolder L107, C109or Change F100

No


No


Change U100

Yes

L128 ≥ -75dBm? Change U100No

F104 PIN3,4, L129, C151, C153≥ -75dBm?

Resolder L129, C151, C153or Change F104

No

Yes

Yes

Yes

Check voltage L128, R109,L127, C150 = about 2.1V

Resolder L128, R109,L127, C150

No

Level 3 Repair



8-36

8-4-6. WCDMA Band8 (900) Rx



Continuous Rx ONChannel : 3012 CHCell power : -60dBm

U100 PIN23,C116,C117,L117≥ -68dBm?

Yes

Resolder C116, C117, L117or Change U100

No

F103 PIN1,8, L122, C130, C131≥ -75dBm?

Yes

Resolder L122, C130, C131or Change F102

No


No


Change U100

Yes

Level 3 Repair



8-37

TUO

8TUO

TUO 9

4

G G

5

G

2

G

3

G

01

NI1

TUO 6

7

201F

201R

411L

2AC

1

G3

G4

211L

461C

661C

301L

521C

221C

021C

701C401C

311L

001_LES_TNA_PT

611L

511C

501C

1

TUO6

7TUO

8TUO

TUO9G

4 5

G

2

G

3

G G

01

NI

101F

401L

G8

9NI_BH_XT

40G G

41 42G G

43 44G

5G G

6 7G G

33 34G G

35 36G G

37 38G G

39

DNG4

AN

T26

27G G

28

G29

3DNG

30G G

31

G32

911XRT

DNG2

2XRT02

123XRT

G22

324XRT

G24 25

G

12SB

1SB2

13V

BA

TT

VC

C14

15G

EDOM61

71NEXT

PMARV81

001U

1DNG

NI_BL_XT0

601C

411C

321L

801C

511L

911L

101C

311C

111L

TAB_V

821C

811L

301C

N_009MSGE_XR

P_0081SCD_XR

N_0081SCD_XR

0012_0091AMDCW_XRT009_058AMDCW_XRT

+PMAR_AP_MSG

P_0091SCP_XR

N_0091SCP_XR

P_058MSG_XR

N_058MSG_XR

P_009MSGE_XR

)1(LES_TNA

)0(LES_TNA

TABV 01

NEV5

40EDOMV

1EDOMV3

321C

8NILPC

6TUOLPC

DNG7

11

DNG

2NIFR TUOFR

9

TABV1

001MAP

111C801L

TAB_V

TAB_V

301R

711L

711C

701R

501R

201L

501L

221L

C16

5

021L

701L

601L

901L

901C

911C

XT3

6

TNA

G2 4

G G5 7

G G8

G9

XR 1

001F

421C

011L211C

101L

001L

131L

401R

NI_FR TUO_FR9

TABV1 01CCV

NEV5

40EDOMV

1EDOMV3 8

NI_LPC

6TUO_LPC

DNG7

DNG

11

2

101MAP

001W_NO_AP_PT

101W_NO_AP_PT

121L

081C 201C

721C

031L

811C

G

7

G

9

G

1XR

8XR

3XT

301FTNA

6

2

G G

4 5

611C

0012_0091AMDCW_XRT

009_058AMDCW_XRT

0012_0091W_TUOFR

TED_RWP

1R_AP

0R_AP

1R_AP

0R_AP

0012_0091W_NO_AP

009_058W_NO_AP

009_058W_TUOFR

009_058_MXR_AMDCW

009_058_PXR_AMDCW

1NI_2TUO_LPC

1NI_2TUO_LPC

XR_0012_0091W_RTR

Level 3 Repair



8-38

C101

20

1C

30

1C

C108

C109

01

1C

C111

C112 C113

41

1C

51

1C

61

1C

71

1C

C118

91

1C

02

1C

22

1C

C123

C124

52

1C

C127

82

1C

C129

03

1C

13

1C

23

1C

C133

C134

C135

C136

C137

C138

C139

04

1C

C141

C142

C143

44

1C

54

1C6

41

C

74

1C

84

1C

94

1C

C150

C151

C152

C153

C154

55

1C

C156

C157

C158

C159

C160

16

1C

C162

36

1C

C164

56

1C

66

1C

76

1C

27

1C

37

1C

47

1C

57

1C

08

1C

00

1F

F101F102

30

1F

F104

F105

00

1L

L101

20

1L

40

1L

L105

60

1L

L107

L108 L109

01

1L

L111

L112

L113

41

1L

51

1L

L116

L117

L118

L119

L120

L1212

21

L

L123

L124

52

1L

L126

72

1L

82

1L

92

1L

L130

L131

OSC100

00

1M

AP

10

1M

AP

00

1R

R101

R102

R103R104

R105

70

1R 8

01

R

90

1R

R110

11

1R

31

1R

73

3R

R339

TH300

00

1_

LE

S_

TN

A_

PT

10

1_

LE

S_

TN

A_

PT

20

1_

LE

S_

TN

A_

PT

00

1W

_N

O_

AP

_P

T

TP_PA_ON_W101

1N

O_

AP

_P

T

00

1R

TR

_T

DB

S_

PT

00

1U

U101

Level 3 Repair



8-39

8-4-7. GSM850/900 Tx

Check Main ant. contactC106, L131,C109

YesCheck Output power of RFS100≥ 31.5 dBm ?

Continuous TX ON

Check Output power atR101, C158 ≥ 11dBm ?

No

Yes

Check the Ant.switching diagram of U100

TP_ANT_SEL

No

Check GPIO control (UCP300)No

Check UCP300

Yes

CONTINOUS TX ON CONDITIONTX POWER DAC:14500 CODE

APPLIEDGSM850 CH : 190GSM900 CH : 62

RBW : 100KHzVBW : 100KHzSPAN : 10MHz

REF LEV. : 10dBmATT. : 20dB

U100 normally is operated. Change U100No

Yes

Resolder or Change U100

Level 3 Repair



8-40

8-4-8. DCS/PCS Tx

CONTINOUS TX ON CONDITIONTX POWER DAC:14500 CODE

APPLIEDDCS CH : 685PCS CH : 661RBW : 100KHzVBW : 100KHzSPAN : 10MHz



YesCheck Output power of RFS100≥ 28.5 dBm ?

Continuous TX ON

Check Output power atR100, C152 ≥ 8dBm ?

No

Yes


TP_ANT_SEL

No

Check GPIO control (UCP300)No

Check UCP300

Yes

U100 normally is operated. Change U100No

Yes


Level 3 Repair



8-41

TUO

8TUO

TUO 9

4

G G

5

G

2

G

3

G

01

NI1

TUO 6

7

201F

201R

11

22

AN

T1

01

411L

001SFR

2AC

1

G3

G4

551C

211L

461C

661C

301L

521C

221C

021C

701C

011C

401C

311L

201_LES_TNA_PT

001_LES_TNA_PT

611L

511C

501C

1

TUO6

7TUO

8TUO

TUO9G

4 5

G

2

G

3

G G

01

NI

101F

401L

G8

9NI_BH_XT

40

G G4

14

2G G

43

44

G

5G G

6 7G G

33

34

G G3

5

36

G G3

73

8G G

39

DNG4

AN

T2

6

27

G G2

8

G2

9

3DNG

30

G G3

1

G3

2

911XRT

DNG2

2XRT02

123XRT

G2

2

324XRT

G2

42

5G

112SB

1SB21

13

VB

AT

T

VC

C1

4

15

G

EDOM61

71NEXT

PMARV81

001U

1DNG

NI_BL_XT01

601C

1

22AN

T1

00 1

411C

321L

801C

511L

911L

101C

001R

101_LES_TNA_PT

311C

101R

111L

TAB_V

821C

811L

301C

N_009MSGE_XR

P_0081SCD_XR

N_0081SCD_XR

0012_0091AMDCW_XRT009_058AMDCW_XRT

+PMAR_AP_MSG

SCP_SCD_TUOFR

MSGE_058G_TUOFR

)2(LES_TNA

P_0091SCP_XR

N_0091SCP_XR

P_058MSG_XR

N_058MSG_XR

P_009MSGE_XR

)3(LES_TNA

)1(LES_TNA

)0(LES_TNA

C101

20

1C

30

1C

C108

C109

01

1C

C111

C112 C113

41

1C

51

1C

61

1C

71

1C

C118

91

1C

02

1C

22

1C

C123

C124

52

1C

C127

82

1C

C129

03

1C

13

1C

23

1C

C133

C134

C135

C136

C137

C138

C139

04

1C

C141

C142

C143

44

1C

54

1C6

41

C

74

1C

84

1C

94

1C

C150

C151

C152

C153

C154

55

1C

C156

C157

C158

C159

C160

16

1C

C162

36

1C

C164

56

1C

66

1C

76

1C

27

1C

37

1C

47

1C

57

1C

08

1C

00

1F

F101F102

30

1F

F104

F105

00

1L

L101

20

1L

40

1L

L105

60

1L

L107

L108 L109

01

1L

L111

L112

L113

41

1L

51

1L

L116

L117

L118

L119

L120

L121

22

1L

L123

L124

52

1L

L126

72

1L

82

1L

92

1L

L130

L131

OSC100

00

1M

AP

10

1M

AP

00

1R

R101

R102

R103

R104

R105

70

1R 8

01

R

90

1R

R110

11

1R

31

1R

73

3R

R339

TH300

00

1_

LE

S_

TN

A_

PT

10

1_L

ES

_T

NA

_PT

20

1_L

ES

_T

NA

_PT

00

1W

_N

O_

AP

_P

T

TP_PA_ON_W101

1N

O_

AP

_P

T

00

1R

TR

_T

DB

S_

PT

00

1U

U101

Level 3 Repair



8-42

8-4-9. WCDMA Band1 (2100) TxCONTINOUS TX ON CONDITION

TX POWER DAC:14500 CODEAPPLIED

WCDMA Band1 CH : 9750RBW : 100KHzVBW : 100KHzSPAN : 10MHz



YesCheck Output power of RFS100≥ 20dBm ?

Continuous TX ON(target power 24 dBm)

Check Output power atL101, L100, L132 ≥ 20dBm ?

No

Yes


TP_ANT_SEL

No

Check GPIO control (UCP300)

No

Check U100

Yes

Check L123≥ 17dBm ?

Resolder or Change F100, L123Yes

No

Check L103≥ 5dBm ?

Resolder or Change PAM100, L103Yes

No


Level 3 Repair



8-43

8-4-10. WCDMA Band8 (900) TxCONTINOUS TX ON CONDITION

TX POWER DAC:14500 CODEAPPLIED

WCDMA Band8 CH : 2788RBW : 100KHzVBW : 100KHzSPAN : 10MHz



YesCheck Output power of RFS100≥ 20dBm ?

Continuous TX ON(Target power 24 dBm)

Check Output power atC116, L117, C117 ≥ 20dBm ?

No

No

Change U100

Check C124≥ 20dBm ?

Resolder or Change F103, C124Yes

No

Check C123, L120 ≥ 5dBm ?Resolder or ChangePAM101, C123, L120

Yes

No

Yes


TP_ANT_SEL

No

Check GPIO control (UCP300)

Yes


Level 3 Repair



8-44

TABV01

NEV5

40EDOMV

1EDOMV3

321C

8NILPC

6TUOLPC

DNG7

11

DNG

2NIFR TUOFR

9

TABV1

001MAP

111C801L

TAB_V

TAB_V

301R

711L

711C

701R

501R

201L

501L

221L

C16

5

021L

701L

601L

901L

901C

911C

XT3

6

TNA

G2 4

G G5 7

G G8

G9

XR 1

001F

421C

011L211C

101L

001L

131L

401R

NI_FR TUO_FR9

TABV1 01

CCV

NEV5

40EDOMV

1EDOMV3 8

NI_LPC

6TUO_LPC

DNG7

DNG

11

2

101MAP

001W_NO_AP_PT

101W_NO_AP_PT

121L

081C 201C

721C

031L

811C

G

7

G

9

G

1XR

8XR

3XT

301FTNA

6

2

G G

4 5

611C

0012_0091AMDCW_XRT

009_058AMDCW_XRT

0012_0091W_TUOFR

TED_RWP

1R_AP

0R_AP

1R_AP

0R_AP

0012_0091W_NO_AP

009_058W_NO_AP

009_058W_TUOFR

009_058_MXR_AMDCW

009_058_PXR_AMDCW

1NI_2TUO_LPC

1NI_2TUO_LPC

XR_0012_0091W_RTR

Level 3 Repair



8-45

C101

20

1C

30

1C

C108

C109

01

1C

C111

C112 C113

41

1C

51

1C

61

1C

71

1C

C118

91

1C

02

1C

22

1C

C123

C124

52

1C

C127

82

1C

C129

03

1C

13

1C

23

1C

C133

C134

C135

C136

C137

C138

C139

04

1C

C141

C142

C143

44

1C

54

1C6

41

C

74

1C

84

1C

94

1C

C150

C151

C152

C153

C154

55

1C

C156

C157

C158

C159

C160

16

1C

C162

36

1C

C164

56

1C

66

1C

76

1C

27

1C

37

1C

47

1C

57

1C

08

1C

00

1F

F101F102

30

1F

F104

F105

00

1L

L101

20

1L

40

1L

L105

60

1L

L107

L108 L109

01

1L

L111

L112

L113

41

1L

51

1L

L116

L117

L118

L119

L120

L1212

21

L

L123

L124

52

1L

L126

72

1L

82

1L

92

1L

L130

L131

OSC100

00

1M

AP

10

1M

AP

00

1R

R101

R102

R103

R104R105

70

1R 8

01

R

90

1R

R110

11

1R

31

1R

73

3R

R339

TH300

00

1_L

ES

_T

NA

_P

T

10

1_L

ES

_T

NA

_P

T

20

1_L

ES

_T

NA

_P

T

00

1W

_N

O_

AP

_P

T

TP_PA_ON_W101

1N

O_

AP

_P

T

00

1R

TR

_T

DB

S_

PT

00

1U

U101

Level 3 Repair



8-46

8-4-11. FM RADIO

Radio does not work

Check voltage of R208 =about 1.8V?

NoCheck U400

Yes

Check earphone.Earphone OK?

No

change earphone

Yes

EAR500 is OK?.No

Yes

Resolder or repalce EAR500

Soldering is ok?L502, L503, C501

No

Yes

Resolder L501, L500, C501

Soldering is ok? L203,C214, L204

No

Yes

Resolder L203, C214, L204

Change U201

Level 3 Repair



8-47

KLC_MCP_MF_TB_PT

302L

EKAW_TSOH_PT

DXR_TB_PT

SH

OR

T

R20

8

612C

202C

502C

402C

V8.1_PMSM_GERV

142C

412C402L

802C

042C

812C

KLC_PEELS_PT

DXT_TB_PT

QER_KLC_TB_PT

102C002C

302C

502R

512C

712C

402R

N_XT_MF1H

VD

D_F

M_T

XH

2

LES_#MCP_IPS3H

NI_QER_KLC|3OIP4H

KLC_PEELS5H

4OIP6H

OSIM_IPS|TUO_1MCP7H

VD

D_D

IGF

7

P_XT_MF1G

VD

D_F

M_R

X_A

UD

IOG

2

3GTUO_QER_KLC|2OIP

5OIP4G

KLC_IPS|KLC_1MCP5G

ISOM_IPS|NI_1MCP6G

VD

D_P

AD

SG

7

STR_TRAU6E

STC_TRAU7E

XR_MF1F

VS

S_F

M_A

UD

IOF

2

3FL_NI_OIDUA

#TSR_ELBANE_GERV4F

#SC_IPS|CNYS_1MCP5F

VS

S_D

IG_P

AD

SF

6

CN5D

XR_TRAU6D

XT_TRAU7D

R_TUO_OIDUA1E

L_TUO_OIDUA2E

3ER_NI_OIDUA

7OIP4E

CN5E

CN

VD

D_A

UX

C3

VS

S_R

EG

_A

NA

C4

CNYS_2MCP5C

KLC_2MCP6C

VD

D_H

OS

TC

7

VS

S_B

T_R

AD

IOD

2V

DD

_B

T_

RA

DIO

D3

6OIP4D

VD

D_B

T_L

OB

2

B3

VD

D_A

NA

1OIA4B

TUO_2MCP5B

1OIP6B

NI_2MCP7B

VS

S_B

T_R

F_

BA

LC

1

2C

VS

S_B

T_L

O_A

UX

A1

VS

SX

TA

L_O

UT

A2

NI_LATX|KLC_SYS3A

H_NIGERV4A

H_TUOGERV5A

VD

D_D

IGA

6

0OIP7A

FR_TB1B

102U

CN1

CN2

TB_TSR

QER_KLC_TB

YTIROIRP_TB

KLC_PEELS

EKAW_TSOH_TB

NID_MCP_MF_TB

TUOL_MF

TUOR_MF

XRT_FR_TB

TNA_MF

KLC_TB

TUOD_MCP_MF_TB

CNYS_MCP_MF_TBKLC_MCP_MF_TB

EVITCA_NALW DXT_TRAU_TB

DXR_TRAU_TBEVITCA_TB

STC_TRAU_TB

STR_TRAU_TB

Level 3 Repair



8-48

C200C201

C202

30

2C

40

2C

50

2C

41

2C

51

2C

61

2C

71

2C

81

2C

14

2C

C504

C512

31

5C

C523

42

5C

C530

53

5C

C536

73

5C

41

6C

32

6C

42

C630

00

5D

10

5D

20

5D

30

2L

40

2L

R204

50

2R 8

02

R

R326

72

5R

82

5R

R530

33

5R

43

5R

81

6R

22

6R

00

5T

CA

T

QE

R_

KL

C_

TB

_P

T

TP_BT_RXD

TP_BT_TXD

YD

RD

_P

T

EK

AW

_T

SO

H_

PT

10

2U

30

6U

60

6U

V500

Level 3 Repair



8-49

kcajraE ot esolC

735C 635C

D5

01

105L335R

235C

405C

105C

1

2

3456

D50

0

V8.1_PMSM_GERV

R5

27

ZD

507

435R205L

R5

29

005L

R5

28

715L635R

535C

ZD

506

905RTROHS

5 THGIR

005RAE

TED6

4 TED

-DNG3

TFEL7

EKIM2

405L

D5

02

425R

SH

OR

T

135C

305L

005DZ

CIM_RAETED_DNG

CDA_IP3

L_KPSRAER_KPSRAE

TNA_MF

BOTH401

90

2C

C210

C212C213

15

4C

C501

00

5R

AE

10

2F

00

2L

L201

L205

L206

L504

90

5R

42

5R

U205

00

5D

Z

Level 3 Repair



8-50

8-4-12. Bluetooth

Bluetooth Function ON

Bluetooth function enabled ? Yes

No

Check the TP_BT_TXD,TP_BT_RXD is ok?

NoChange UCP300

The voltage of R208 =about 1.8V

Yes

Check U400

No

Yes

Check C208 ≥ 5 dBm ?No

Resolder or replace U201, C208

Yes

Check the voltage of C239= 3.3 V

No

Check U400

Yes

Check ANT201 ≥ 3 dBm ?No

Resolder or replace C238

Yes

Change Rear case

Level 3 Repair



8-51

KLC_MCP_MF_TB_PT

302L

EKAW_TSOH_PT

DXR_TB_PT

SH

OR

T

R2

08

612C

202C

502C

402C

V8.1_PMSM_GERV

142C

412C402L

802C

042C

812C

KLC_PEELS_PT

DXT_TB_PT

QER_KLC_TB_PT

102C002C

302C

502R

512C

712C

402R

N_XT_MF1H

VD

D_

FM

_TX

H2

LES_#MCP_IPS3H

NI_QER_KLC|3OIP4H

KLC_PEELS5H

4OIP6H

OSIM_IPS|TUO_1MCP7H

VD

D_

DIG

F7

P_XT_MF1G

VD

D_

FM

_RX

_A

UD

IOG

2

3GTUO_QER_KLC|2OIP

5OIP4G

KLC_IPS|KLC_1MCP5G

ISOM_IPS|NI_1MCP6G

VD

D_

PA

DS

G7

STR_TRAU6E

STC_TRAU7E

XR_MF1F

VS

S_

FM

_AU

DIO

F2

3FL_NI_OIDUA

#TSR_ELBANE_GERV4F

#SC_IPS|CNYS_1MCP5F

VS

S_

DIG

_P

AD

SF

6

CN5D

XR_TRAU6D

XT_TRAU7D

R_TUO_OIDUA1E

L_TUO_OIDUA2E

3ER_NI_OIDUA

7OIP4E

CN5E

CN

VD

D_A

UX

C3

VS

S_

RE

G_

AN

AC

4

CNYS_2MCP5C

KLC_2MCP6C

VD

D_

HO

ST

C7

VS

S_

BT

_R

AD

IOD

2V

DD

_B

T_

RA

DIO

D3

6OIP4D

VD

D_

BT

_L

OB

2

B3

VD

D_

AN

A

1OIA4B

TUO_2MCP5B

1OIP6B

NI_2MCP7B

VS

S_

BT

_R

F_

BA

LC

1

2C

VS

S_

BT

_L

O_

AU

XA

1V

SS

XT

AL_

OU

TA

2

NI_LATX|KLC_SYS3A

H_NIGERV4A

H_TUOGERV5A

VD

D_

DIG

A6

0OIP7A

FR_TB1B

102U

CN1

CN2

TB_TSR

QER_KLC_TB

YTIROIRP_TB

KLC_PEELS

EKAW_TSOH_TB

NID_MCP_MF_TB

TUOL_MF

TUOR_MF

XRT_FR_TB

TNA_MF

KLC_TB

TUOD_MCP_MF_TB

CNYS_MCP_MF_TBKLC_MCP_MF_TB

EVITCA_NALW DXT_TRAU_TB

DXR_TRAU_TBEVITCA_TB

STC_TRAU_TB

STR_TRAU_TB

.TNA yb reaN232C

102TNA

11

22

V3.3_NALWV

802L

022C

012L

702L

FR_AXR56

FR_BXR

1 FR_AXTFR_BXT2

71SAIB_XT

1CV 94

2CV61

3CV

GN

D7 10

GN

DG

ND

11

12

GN

D1

4G

ND

GN

D1

5

18

GN

DG

ND

19

302U

AN

T_R

F1

3

FR_TB8

GN

D3

XRT_FR_TB

N_XR_IFIWP_XR_IFIW

N_XT_IFIWP_XT_IFIW B_LES_TNA

C_LES_TNAE_LES_TNA

Level 3 Repair



8-52

C200

C201

C202

30

2C

40

2C

50

2C

41

2C

51

2C

61

2C

71

2C

81

2C

14

2C

C504

C512

31

5C

C523

42

5C

C530

53

5C

C536

73

5C

41

6C

32

6C

42

6C

C630

00

5D

10

5D

20

5D

30

2L

40

2L

R204

50

2R 8

02

R

R325

R326

72

5R

82

5R

92

5R

R530

33

5R

43

5R

81

6R

22

6R

00

5T

CA

T

QE

R_

KL

C_

TB

_P

T

TP_BT_FM_PCM_CLK

TP_BT_RXD

TP_BT_TXD

YD

RD

_P

T

EK

AW

_T

SO

H_

PT

10

2U

30

6U

60

6U

V500

C208

C220

C221

C225

C226

23

2C

83

2C

93

2C

C240

21

4C

C511

12

5C 1

45

C

44

5C

R207

00

5R

R522

50

6R

60

6R

70

6R

41

6R

62

6R

20

2U

U203

Level 3 Repair



8-53

8-4-13. WiFi

WiFi Function ON

WiFi function enabled ? Yes

No

Check the TP_WLAN..TP_WLAN is ok?

NoChange UCP300

Check the supply voltage ofL209

The supply voltage is ok?

Yes

Check U400

No

Yes

Check C236, C237 is19.2MHz

No

Resolder or replace C236, C237

Yes

Check ANT201 ≥ 14 dBm?

No

Resolder or replace L207

Yes

Change Rear case

Level 3 Repair



8-54

432C

QER_KLC_IFIW_PT

EKAW_TSOH_IFIW_PTN_TESER_NALW

912C

EVITCA_NALW_PT

DMC_DS_NALW_PT

032C 132C

322C

902L

922C

622C222C

V3.3_NALWV

YTIROIRP_TB_PT

632C

732C

532C

8V

DD

18_X

TA

L

CTNA9

2651_OIPG

GN

D63

469_OIPG

41_OIPG56

667_OIPG

91_OIPG76

68N

C

NC

69

ETNA7

6531_OIPG

8_OIPG75

8502_OIPG

TUO_GERD95

6OLATX

0611_OIPG

5_OIPG16

48D

VD

D_S

OC

2

12_OIPG94

PNI2FR5

05GERV

21_OIPG15

256_OIPG

61_OIPG35

45TUO_GERWS

01_OIPG55

40V

DD

33_P

A

ESAB_GERAP14

24TUO_GERS

DV

DD

1243

4471_OIPG

VB

AT

TE

RY

_42

45

64L_DWP_PIHC

DV

DD

_SD

IO47

34G

ND

22_OIPG53

36P

AR

EG

_VD

D33

_OU

T

4_OIPG73

38D

VD

D12

81_OIPG93

VD

D18

_RF

4

26G

ND

2_OIPG72

821_OIPG

GN

D29

FER_SAIB3

30G

ND

NTUO2FR13

233_OIPG

DV

DD

1233

2DNTA

20V

DD

33_A

NT

GN

D21 22

GN

D

0_OIPG32

425SAIBAPX

GN

D25

1142_OIPG

BTNA21

VD

D12

_BB

13

14G

ND

PTUO2FR51

6132_OIPG

71ATNA

18V

DD

18_B

B

52_OIPG91

402U

ILATX1

01NNI2FR

RWP_HPV

422C722C

V8.1_PMSM_GERV

822C

522C

EVITCA_TB_PT

122C

002_D_DS_NALW_PT

V8.1_PMSM_GERV

KLC_DS_NALW_PT

R20

6

1%

QER_KLC_IFIWN_TESER_NALW

P_XR_IFIW

)1(ATAD_DS_NALW

)3(ATAD_DS_NALW

)0(ATAD_DS_NALW

)2(ATAD_DS_NALW

DMC_DS_NALW

KLC_DS_NALW

E_LES_TNA

C_LES_TNA

OXCT_IFIW

N_XR_IFIW

B_LES_TNA

P_XT_IFIW

EVITCA_TBEVITCA_NALW

N_XT_IFIW

YTIROIRP_TB

EKAW_TSOH_NALW

.TNA yb reaN232C

102TNA

11

22

V3.3_NALWV

802L

022C

012L

702L

FR_AXR56

FR_BXR

1 FR_AXTFR_BXT2

71SAIB_XT

1CV 94

2CV61

3CV

GN

D7 10

GN

DG

ND

11 12G

ND

14G

ND

GN

D15 18

GN

DG

ND

19

302U

AN

T_R

F13

FR_TB8

GN

D3

XRT_FR_TB

N_XR_IFIWP_XR_IFIW

N_XT_IFIWP_XT_IFIW B_LES_TNA

C_LES_TNAE_LES_TNA

Level 3 Repair



8-55

C208

91

2C

C220

C221

C222

C223

C224

C225

C226

C227

C228

92

2C

C230

13

2C

23

2C

C234

53

2C

63

2C

73

2C

83

2C

93

2C

C240

21

4C

C511

12

5C 1

45

C

44

5C

90

2L

R206

R207

00

5R

R522

50

6R

60

6R

70

6R

41

6R

62

6R

TP_BT_ACTIVE

YTI

ROI

RP

_T

B_

PT

QE

R_

KLC

_IFI

W_

PT

TP_WLAN_ACTIVE

TP_WLAN_SD_CLK

DM

C_

DS

_N

AL

W_

PT

00

2_

D_

DS

_N

ALW

_P

T

20

2U

U203

U204

Level 3 Repair



8-56

8-4-14. GPS

GPS function on

Check UCP300

Check the voltage of L200,= 2.7V

NoCheck U400

Change U101NoCheck U101

is ok?

Yes

Resolder C210, F201, L201,C206, F200, C207

GPS function is ok?

Yes

No

Change the rear caseRepair is complete

Yes

Level 3 Repair



8-57

reveicnarT raeN

1NI TUO

4

102F

G

2

G

3

G

51 1

22

502L

002TNA

902C

002L

V7.2_XRFR_GERV

312C 112C

602C

202L

702C

TUO 4

002F

2

G

3

G

5

GNI

1

212C

102L

602L

012C

OA3

FRDNG4

IA5

NOP6

502U

DNG1

CCV2

SPG_XR

NO_ANL_SPG

00

2T

NA

90

2C

C210

C212C213

C501

10

2F

00

2L

L201

L205

L206

L504

U205

05

DZ

60

2C

70

2C

11

2C

00

2F

20

2L

gt s6310 troubleshooting

Documents