samsung gt-s5670 galaxy fit 08 level 3 repair - block, pcb diagam, flow chart of troubleshooting

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8. Level 3 Repair

8-1

This Document can not be used without Samsung's authorization

8-1.Block Diagram


Level 3 Repair

8-2


8-2. PCB Diagrams (2010.12.17 Rev0.3)8-2-1. Top

BH300

BH301BH302

BH303BH304

BH305C

100

C10

1

C10

2

C103

C10

4

C1

07

C1

08

C1

11

C1

12

C113

C114

C1

15

C1

16

C11

7

C11

8

C119

C121

C122

C1

27

C128

C129

C1

31C132

C133

C134

C1

35

C1

36

C1

37

C140

C141

C142

C143

C144

C145

C14

6

C14

7

C14 8 C149

C1

51

C1

52

C1

53

C1

57

C1

59

C1

60

C1

61

C162

C1

63

C1

64

C165

C1

67

C1

68

C170

C1

71

C172

C173

C1

74

C1

76

C177

C1

78 C180

C182

C1

83

C185

C186

C188

C1

90

C1

91

C19

4

C20

0

C20

1

C20

2

C20

3

C20

4

C20

5

C206

C207

C20

8

C2

09

C21

0

C211

C2

12

C2

14

C2

15

C216

C217

C218

C2

19

C2

20

C221

C222

C22

3

C22

4

C22

5

C226

C2

27

C2

28

C229

C2

30

C231C2

32

C2

33

C234

C23

5

C236

C237

C2

38

C239

C240

C30

0

C30

1

C3

02

C303

C304

C3

05

C3

06

C3

07

C30

8

C3

09

C31

0

C3

11

C3

12

C3

13

C31

4

C3

15

C3

16

C3

17

C31

8

C319

C320

C3

21

C3

22

C3

23

C32

4

C32

5

C326

C3

27

C328

C3

29

C3

30

C33

1

C3

32

C3

33

C3

34

C3

35

C33

6

C337

C338

C400

C4

01

C4

02

C40

3

C40

4

C405

C406

C407

C408

C409

C4

10

C41

1

C4

12

C4

13

C4

14

C41

5

C416

C417

C418 C419

C420

C421

C4

22

C4

23

C4

24

C4

25

C4

27

C428

C42

9

C430

C4

31

C432

C43

3C

43

4

C435

C4

36

C43

7

C4

38C439

C440

C4

41

C442

C443

C4

44

C4

45

C44

6

C447

C448

C449

C45

0

C4

54

C457

C45

8

C5

00

C5

01

C50

2

C5

03

C5

05

C5

06

C5

08

C514

C515

C5

16

C517

C519

C5

23

C52

4

C52

5

C526C

527

C528

C602

C603

C604C605

C606

C6

07

C611

C612

C613

C614

C615

C617 C618

C619

CD

400

D400D

401

DUF100

DU

F10

1

F100

F10

2

F103

F104

F200

F600F601F602

F6

03F

604

F60

5F

606

F60

7F

608HDC601

L1

00

L1

03

L1

04

L105

L1

06

L10

7

L108

L109

L110

L1

11L

112

L1

13

L11

7

L11

8

L119

L120

L121

L122

L12

4

L1

25

L200

L201L2

02

L20

4

L20

5

L206

L207

L210

L400

L401

L402

L403

L404

L405

L500

L501

L502

L503L504

L505L506

L507 L508

L509

L510

L51

1

L512

L513

L600

L6

01

L6

02

MIC

501

OK

OS

C1

00

OS

C2

00

OS

C40

0

PAM100

Q4

00

Q500

R1

00

R101

R102

R1

04

R1

05

R1

06

R112

R1

13

R114

R1

15

R116

R1

24

R1

33

R1

34

R13

5

R20

1

R202

R30

0

R3

01

R3

02

R3

03

R3

04

R3

05

R3

06

R3

07

R3

08

R3

09

R3

10

R3

11

R3

12

R313R314

R315

R3

16

R3

17

R3

18

R3

19

R3

20

R32

1

R3

22

R3

23

R3

24

R3

25

R32

6

R3

27

R328

R329

R330

R331

R33

2

R333

R3

34

R33

5

R337

R338

R339

R34

0

R400

R4

02

R403

R4

04

R405

R406

R407

R40

8R

409

R410

R412R413

R414

R415

R4

16

R4

17

R4

18

R4

19

R420

R42

1

R423

R5

00

R50

2

R50

3

R504

R505

R506

R50

7

R508

R5

09

R510

R511

R5

12

R513

R514

R515

R51

7

R525

R526

R530

R5

31

R60

2

R603

R604

RE

SO

UT

_N

TACT600

TACT601

TACT602

TH

300

TP_JIG_ID

TP_SBDT

TP

_WLA

N_R

ST

TP

201

TP202

TP

203

TP

204

TP208

TP209TP210

TP212

TP

30

0

TP

301

TP

302

TP

30

3

TP304

TP

30

5

TP306

TP

307

TP308

TP309

TP

31

0

TP311

TP

312

TP313

TP314

TP315

TP

316

TP

31

7

TP318

TP

31

9

TP

32

0

TP321

TP322

TP324

U10

0

U101

U102

U10

4

U20

0

U20

1

U202

U300

U301

U400U

401

U402

U500

U50

1

U502

U503

U600

U60

1

U6

02

UART_TXD

UC

P30

0U

ME

300

USB_ID

V503V504

V505

V50 6 V507

V60

0

V6

01

V6

02

V60

3

ZD

502

ZD

504


Level 3 Repair

8-3


8-2-1. Bottom

AN

T100

AN

T101

AN

T102

ANT200

ANT201

ANT500

ANT501

BA

T400

BTC400

C105C106

C1

09

C1

10

C213

C4

51

C4

52

C4

53

C4

55

C4

56

C504

C507

C509C510

C51

8

C521C

522

D501

GND

HD

C5

00

HD

C50

1

HD

C60

0

IFC500

JTAG_RESET_N

L101

L102

L20

3

L20

8

L209

L21

1L

212

MIC

500

MO

TO

R500

R1

03

R117R119R121R122

R4

22

RFS100

RTCK_MSM

SIM400

TCK_MSMTDI_MSM TDO_MSMTMS_MSM TRST_N_MSM

V500V501

VREG_MSMP

ZD500

ZD501

ZD

503


Level 3 Repair

8-4


8-3. LOGIC

8-3-1. Power On

Power switch on

NG

Check the currentconsumption>= 100mA?

DownloadNO

Check the U401

Check the clockC108 = 19.2Mhz ?

Check the initial operation

Check the clock generation circuit

Resolder OSC400

Check the PMICrelated to PS_HOLD

Change the battery

Yes

Yes

Yes

Yes

NO

NOL400(VREG_MSMC1)=1.2V?L401(VREG_MSMC2)=1.2V?L402(VREG_MSME)=1.8V?C436(VREG_MSMP)=2.6V?C334(VREG_MSMA)=2.6V?

Yes

NOCheck the clock atOSC400 = 32KHz ?

NOCheck the TP_PS_HOLD pin PS_HOL

D = 2.6V?

NOCheck the batteryvoltage

>= 3.45?

Yes


Level 3 Repair

8-5


C433

K8OUT14

K9OUT3

K10OUT4

K11NC

K2IN6

K3LX1

K4IN1

K5IN2

K6XOUT

K7XIN

J3

PG

ND

1

J4BUCK1

J5OUT1

J6OUT2

J7CLK32K

J8OUT15

J9IN7

K1NC

H6NC

H7_RESET

H8

GN

D

H9REFOUT

J1LX2

J10IN5

J11OUT5

J2

PG

ND

2

G9REFBP

H1NC

H10OUT6

H11OUT17

H2BUCK2

H3PWRHOLD

H4DETBAT

H5NC

G11IN8

G2SAFEUSB

G3

VC

OIN

G4NC

G5NC

G6NC

G7I2CDATA

G8ENBUCK4

F4NC

F5ENO13

F6HFPWR

F7I2CCLK

F8_ONO

F9ENO7

G1

VB

US

A

G10OUT16

E7_IRQ

E8PWRON

E9ENO5

F1

VB

US

B

F10NC

F11OUT19

F2TCXOIN

F3TCXOOUT

E1

BA

TT

A

E10NC

E11OUT18

E2

BA

TT

B

E3VL

E4MUXIN2

E5MUXIN1

E6TEST4

D2CHGINB

D3SET1

D4SET2

D5AMUXOUT

D6TEST3

D7INA2

D8INA1

D9ENO4

C5MUXIN3

C6FB13

C7INB2

C8INB1

C9

AG

ND

D1CHGINA

D10RXINP

D11OUTP

B8BIAS

B9

VS

S

C1LX4

C1

0P

GN

DC

11

PV

DD

C2FB4

C3FB3

C4MUXIN4

B10RXINN

B11OUTN

B2

PG

ND

3

B3OUT9

B4OUT8

B5OUT7

B6OUT13

B7

VD

D

A3OUT11

A4IN9

A5OUT10

A6IN4

A7HPR

A8HPL

A9C1N

B1IN3

U401

1NC

2NC

A1NC

A10C1P

A11NC

A2LX3

C447

C444

C435

R412

L404

R406

C406

C408

C430

C446

C445

C409

C437 C438

C432

C434

OSC400

L405

R402

C407

R413

D400

3

R407

V_BAT

REF_OUT

VUSB_OVP_5V

AMP_NOUTAMP_POUT

EAR_LEAR_R

SPK_R

EARSPK_REARSPK_L

BUFF_TCXO

VF

PON_RESET_N

SLEEP_CLK

SPK_L

PM_INT_N

CLK19.2M_TCXOVDD_WLAN_EN

JIG_ON

PWR_SCL

ONKEY_DET

TCXO_EN

PWR_SDA

LX3LX4

TCXO_EN

AMUX_OUT

PMIC

< TCXO >

C116

C102C100

OSC100

G2

3

OUT

VCC41

VCONT

C108

C104 C107

C101

CLK19.2M_TCXO

RTR6285_TCXO

USB_TCXO


Level 3 Repair

8-6


C3

11

C31

2

C31

5

C3

16

C400

C4

03

C4

04

C405

C409

C4

10C

41

1 C416

C417

C418 C419

C420

C421

C428

C42

9

C43

1

C4

33C

434

C435

C43

7

C439

C440

C4

41

C442

C443

C4

46

C457

C615D400

L400

L4

01

L402

L4

03

OS

C4

00

Q4

00

R3

06

R400

R4

02

R403

R40

4

R405

R406

R407

R40

8R

40

9

R410

R412R413

R420

R42

1

R423

TP

300

TP

301

TP

302

TP

303TP304

TP

305

TP306

TP

307

TP308

TP309

TP

31

0

TP311

TP

312

TP313

TP314

TP315

TP

316 TP

317

TP318

TP

319

TP

320

TP321

U4

01

U402U

ME

30

0

C1

00

C101

C1

02

C1

04

C10

7

C10

8

C11

6

L100

OS

C100

R100

TP_SBDT


Level 3 Repair

8-7


8-3-2. LCD Working

Power Switch On

LCD FPCBconnector is correctly connecti

ned?

Replace U503 & Checkneighboring circuits

Yes

NOYes

LCDReplace

C527LED_P_24V=24V?

F603, F604, F605,F606, F607, F608,

ResolderF603, F604,F605, F606,F607, F608,

Correctly mounted?

NO

correctly connect

NO

LCD DisplayOn?

Yes

Yes

NO


Level 3 Repair

8-8


LCD EMI_FILTER

IN33

4 IN4

OUT15

6OUT2

OUT37

8OUT4

F605

GND

01 9

GND

IN11

2 IN2

OUT37

OUT48

GND

9

GND

10

IN11

2 IN2

IN33

4 IN4

OUT15

6OUT2

F608

1 IN1

IN22

3 IN3

IN44

5OUT1

OUT26

OUT37

OUT48

F603

GND

9

GND

10

3 IN3

IN44

5OUT1

OUT26

7OUT3

OUT48

F606

9

DNG DNG

10

1 IN1

IN22

5

6OUT2

OUT37

OUT48

F604

GND

9

GND

10

IN11

2 IN2

IN33

4 IN4

OUT1

OUT1

OUT26

OUT37

OUT48

GND

9

GND

10

1 IN1

IN22

3 IN3

IN44

5

F607

LCD_F(11)

LCD_F(12)

LCD_F(13)

LCD_F(5)

LCD_F(4)

LCD_F(3)

LCD_F(2)

LCD_HSYNC_F

LCD_EN_F

LCD_MCLK_F

LCD_EN

LCD_HSYNC

LCD_B(0)

LCD_B(1)

LCD_VSYNC

LCD_F(1)

LCD_F(10)

LCD_B(2)

LCD_B(5)

LCD_B(4)

LCD_B(3)

LCD_F(0)

LCD_VSYNC_F

LCD_F(9)

LCD_F(8)

LCD_F(7)

LCD_F(6)

LCD_F(14)

LCD_F(15)

LCD_F(16)

LCD_F(17)

LCD_G(1)

LCD_G(2)

LCD_R(2)

LCD_G(3)

LCD_G(5)

LCD_MCLK

LCD_R(4)

LCD_R(5)

LCD_R(3)

LCD_G(0)

LCD_G(4)

LCD_R(0)

LCD_R(1)

LCD BL IC

ZD504

C527

C528

V_BAT

L510

R531

R530

R525

VIN6

5VOUT

U503

CTRL 4FB3

2GND

LX1

LED_P_24V

LED_N


Level 3 Repair

8-9


C338

C527

C52

C611

C612

C613F600

F60

3F

60

4F

60

5F

606

F6

07

F60

8

HDC601

L510

R328

R329

R330

R525

R5

26

R530R

531

U503

ZD

50

4


Level 3 Repair

8-10


8-3-3. TSP

Operate TSP

NG

CheckTSP Connecting Reconnecting TSP

NO

YES

Change TSP Module

No Problem? Change main PBANO

END


Level 3 Repair

8-11


8-3-3. Audio Working

Speaker Working

Operate speaker

NG

CheckSpeakerSoldering

ResolderNO

YES

Speaker breakdown?

YESChange Speaker

NO

Signal on inC509,C510?

ResolderC509,C510SPK ASSY

YES

NO

Signal on inC406, C407?

ResolderC406, C407

Replace U401

YES

NO

Change main PBA


Level 3 Repair

8-12


SPK_CON

C510

11

22

ANT500

11

22

ANT501

V50

0

C509

V50

1

K8OUT14

OUT3K10

OUT4K2

IN6

K6XOUT

K7XIN

J4BUCK1

J7CLK32K

J8OUT15

J9IN7

H6NC

J10IN5

J11OUT5

H1NC

H10OUT6

H11OUT17

H2BUCK2

H5NC

G11IN8

G4NC

G5NC

G6NC

G7I2CDATA

F5ENO13

F7I2CCLK

F9ENO7

G10OUT16

E9ENO5

F10NC

F11OUT19

F2TCXOIN

F3TCXOOUT

E10NC

E11OUT18

E3VL

D2CHGINB

D7INA2

D8INA1

D9ENO4

C6FB13

C7INB2

C8INB1

D1CHGINA

D10RXINP

D11OUTP

B8BIAS

C2FB4

C3FB3

B10RXINN

B11OUTN

B3OUT9

B4OUT8

B5OUT7

B6OUT13

A3OUT11

A4IN9

A5OUT10

IN4

A7HPR

A8HPL

A9C1N

U401

A10C1P

C406

C408

C430

C409

C407

EAR_LEAR_R

SPK_R

SLEEP_CLK

SPK_L

VDD_WLAN_EN

PWR_SCL

TCXO_EN

PWR_SDA


Level 3 Repair

8-13


C509C510

V500V501

C400

C401

C402

C406

C407

C408

C409

C415

C416

C417

C41 8 C419

C420

C421

C425

C427

C428

C430

C432

C43

3C

434

C435

C438

C445 C447

L402

L404

L405

R403

R405

R406

R407

R410

R416

R417

R418

R419

R421

U401


Level 3 Repair

8-14


Receiver Working

Operate Receiver

NG

CheckReceiverSoldering

ResolderNO

YES

Receiver breakdown?

YESChange Receiver

NO

Change main PBA


Level 3 Repair

8-15


MIC Working

YES

Operate MIC

NG

PolluteMIC Hole?

YESClean upMIC hole

NO

CheckVoltage

R502 &R507NO

YES

NO

Signal on inL501 &L502

ResolderingL501 & L502

ChangeMain PBA

ChangeUCP300


Level 3 Repair

8-16


C507

L501

C504

VMIC_BIAS_1.8V

R507

R502

C506

L502

ZD50

0

C502

C505

R508

AUX_MIC_N

MIC_P

MIC_N

EAR_MIC_N


Level 3 Repair

8-17


Sub MIC Working

Operate MIC

NG

PolluteMIC Hole?

YESClean upMIC hole

NO

Remove MIC,Check MIC1st pin(V_MIC_BIAS_1..8

V)= 1.8V ?

CheckL511 = High?

NO

NO

Change main PBA

YES YES

Change MIC Change MIC


Level 3 Repair

8-18


SUB MIC

L513

VMIC_BIAS_1.8V

2GND1

GND3GND2

OUT4

OUT

POWER1

POWER

MIC501

GND

V5

07

V506

L5

11

C519

L512

C526

C524C523

SUBMIC_P

SUBMIC_N

C503C519 C526

L500

L505

L507

L5

11

MIC

50

1

R333

R504

R505

TP_JIG_IDU500UART_TXD

V504

V505

V50 6 V507


Level 3 Repair

8-19


Stereo Headset Working

Hands-free stereoheadset

NG

Check U501Button NG?

NO

CheckL503,L506MIC NG?

NOYES

Check U501

YES

Resolder L503,L506

NO

Signal onin C514,C515?

SPK NG?Check L504, L508

YESYES

NONO

Signal onin C408C409?

YES

Check R406, R407,U401

The End

NO

Change Main PBA


Level 3 Repair

8-20


R513

R515

R512

VREG_MSMP_2.6VVREG_MSMP_2.6V

2

1

3

5

4

U501

EAR_MIC_P

3.5PI CONNECTOR

L509

C514

R514

L504

L506

R510

C515

C516

D3

45D

4D5

6

ZD50

3

C517

R50

9

9 9NC11 12

NCNC13 14

NC

2 23 34 45 56 67 78 8

HDC500

1 1

10 10L508

L503

V50

3

C508

EARSPK_L

EARSPK_R

JACK_INT_N

K8OUT14

K6XOUT

K7XIN

J4BUCK1

J7CLK32K

J8OUT15

IN7

H6NC

H1NC

OUT6

H11OUT17

H2BUCK2

H5NC

G11IN8

F5ENO13

F9ENO7

G10OUT16

E9ENO5

F10NC

F11OUT19

F2TCXOIN

F3TCXOOUT

E10NC

E11OUT18

D2CHGINB

D7INA2

D8INA1

D9ENO4

C6FB13

C7INB2

C8INB1

D1CHGINA

D10RXINP

D11OUTP

C2FB4

C3FB3

B10RXINN

B11OUTN

B3OUT9

B4OUT8

B5OUT7

B6OUT13

A3OUT11

A4IN9

A5OUT10

A7HPR

A8HPL

A9C1N

U401

A10C1P

L404

R406

C406

C408

C430

C409

L405

R402

C407

R407

AMP_NOUTAMP_POUT

EAR_LEAR_R

SPK_R

EARSPK_REARSPK_L

BUFF_TCXO

SLEEP_CLK

SPK_L

CLK19.2M_TCXOVDD_WLAN_EN

TCXO_EN


Level 3 Repair

8-21


C5

00

C5

01

C503

C508

C514

C515

C516C517

C526

L500

L503L504

L506

L508

L509

L511

R333

R500

R504

R505

R509 R510

R511

R512

R513

R514

R515

TP_JIG_IDU500

U501

V503

V50 6 V507

ZD502


Level 3 Repair

8-22


8-3-5. KEY Working

Volume KEY

Press Volume Key

NG

All key NG?YES

Change Tact KEY

NO

Change KeyPad

Any key NG? Change Main PBA

END

NO


Level 3 Repair

8-23


Sub Key

MENU&BACKKEY NG?

Press Power Key,Other Sub Key

Power (END)Key NG?

YesPressing

power key,V603 = High?

YesCheck 8-3-1 Section

NO

Change Soldering State

Change PWR KEY FPCB

NO

HOME KEYNG?

Change Domesheet

Change Main PBA

Yes

NO

The End

NO

Yes

Change TSP


Level 3 Repair

8-24


ON SW

V6

03

45 6 7

1 2

TACT602

3

V_BAT

ON_SW

TACT602V60

3


Level 3 Repair

8-25


8-3-6. Vibrator Working

Operate Vibrator

NO

Check

Vibrator SolderingResolder Vibrator

NO

Yes

V_MOTOR_3.3V

(C521) = 3.3V ?Check PMIC (U401)

No

Yes

MOT500

1 Pin High?

Change MotorYes

NO

Change Main PBA


Level 3 Repair

8-26


MOTOR500

11

22

C522

12 D5013

C521

VREG_MOTOR_3.3V

ANT200C213

C521

C522

D501

L203

L208

MOTOR500


Level 3 Repair

8-27


8-3-7. T-Flash Card Working

Insert & OperatemicroSD card

NG

YESCD400break down ? Change CD400

NO

YESChange CD400

12thPin ofCD400= High ?

NO

4thPin of CD400= 3.0V ? Check U401(PMIC)

NO

YES

Change Main PBA


Level 3 Repair

8-28


T-FLASH

NC 1920

NC

4VDD

6VSS

GND 910

GND

NC1314

NCNC

1516

NC17NC

NC 18

CD

CLK5

CMD3

COMMON11

DAT078DAT1

DAT212

DAT3|CD

CD400

12

C457

R417

C458

R419

VREG_TFLASH_3.0V

R418 R420

R421

VREG_USIM_3.0V

C454

R416

MICROSD_CLK

MICROSD_CMD

MICROSD_DATA(0)MICROSD_DATA(1)MICROSD_DATA(2)MICROSD_DATA(3)

nTF_DETECT

C103

C1

11

C1

12

C113

C114

C11

5

C4

58

CD

40

0

L6

01

L6

02

R101

R102

U10

0

U101

V6

00


Level 3 Repair

8-29


8-3-8. SIM Card Working

ResolderQ400

ChangeU401(PMIC)

YesCheckQ400

SIM FPCBBreak down?

NOChange SIM400

YES

No

Yes

R422= 3.0V

NG

Check SIM400& Neighboring Circuits

Insert & OperateSIM card


Level 3 Repair

8-30


SIM CONNECTOR

C452

3 D

1

G

2 S

Q400

VREG_USIM_3.0V

C453

R422

C451C455

C456

4 455

6 6

G

7 8

G G

01 9

G

SIM400

1 12 2

3 3

UIM_FET_PWR_CTL

SIM_DATA

SIM_CLKSIM_RST


Level 3 Repair

8-31


C45

1

C45

2

C45

3

C45

5

C45

6

R117R119R121R122

R42

2

SIM400

C405

C440

Q400

R400

R412


Level 3 Repair

8-32


8-3-9 CAMERA Working

Operate CAMERA

NG

Camera FPCB connector is correctly

connecting?correctly connect

NO

Yes

C602 = 1.2V,C603 = 2.8VC604= 2.8VC605= 1,6V

ChangeU401(PMIC)

NO

Yes

CAMERAReplace


Level 3 Repair

8-33


F602

VCAM_IO_2.6V

F600

C604C602

67 7 88

9 9

32N

CN

C33

2828

29 29

3 3

30 303131

445 5 6

2

202021 21 22 2223 23 2424

6252 52 2627 27

13 13 14 141515 1616

17 17 18 1891 91

2

HDC601

1 1

10 101111 1212

VCAM_AF_2.8V

C603

VCAMC_1.2V

C605

F601

VCAMA_2.8V

CAM_PCLK_F

CAM_SCL

CAM_MCLK_F

CAM_SDA

CAM_D_F(3)CAM_D_F(7)

CAM_D_F(0)CAM_D_F(6)CAM_D_F(4)

CAM_D_F(2)

CAM_HSYNC_F

CAM_RESETCAM_STANDBY

CAM_D_F(5) CAM_D_F(1)

CAM_VSYNC_F

C602

C603

C604C605

C606

HDC601

L600

R603

R604

HDC601 HDC601


Level 3 Repair

8-34


8-4-1. GSM850 RX

**If you check the tx chain,

Check the not only RF Device but also resistor, inductor and capacitor.

Resolder U104 or Change

Check Antenna contact

The End

Yes

Yes

NoReplace PAM100Check L104

= -50dBm?

Yes

Normal conditionCatch the channel?

No

Yes

Continuous Rx ONRF Input : 190 CHAmplitude : -50dBm


Level 3 Repair

8-35


8-4-2. GSM900 RX



Continuous Rx ONRF Input : 62 CHAmplitude : -50dBm

The End

Check L107 >= -55 dBm?

Normal ConditionCatch the channel?

Yes

Yes

Yes

No

No

Check Antenna Contact


Replace PAM100


Level 3 Repair

8-36


8-4-3. DCS/PCS RX



Check L111, L112>= -55 dBm?

Continous Rx ONRF Input : 698 CHAmplitude : -50dBm

The End


Yes

Yes

Yes

No

No



Replace PAM100


Level 3 Repair

8-37


PAM (2.5G) WGPRS module

6 GSM850_OUTGSM850_OUT7

GSM900_OUT89 GSM900_OUT

IN 1

F100

2G

3G

4GG

51

0G

C121

ANT1001 1

22

C105

ANT1011 1

22

C118C117

C122

L108

C1354

VRAMP16

20

19RX1

21RX2

11SW_EN

17TXEN

TX_HB_IN10

9TX_LB_IN

3V

BA

TT

VB

AT

T

G G8

15

G G22

25

G

MODE14

13RSVDRSVD

18

RSVD

39

40

G G41

42

G G43

44

G

5G G

6 7

32

G33

34

G G35

36

GG2

G37

38

G G

26

BS12

1G

27

G G28

G29

30

G G31

G

PAM100

3G124

233G2

AN

T

2GG

34GG

5

G1

0

F102

C143

L110

C134

C141

13GG

4

RFS100

2A C

L104

L103

V_BAT

L107

C119

L112

L111

L106

R106

R124

C140

L101

L105

C106

R105

L102

R104

TRX_WCDMA900

TRX_WCDMA2100

ANT_SEL(3) ANT_SEL(2)ANT_SEL(1)

ANT_SEL(0)ANT_SEL(0)

RFOUT_G850_EGSM

RX_DCS1800_N

RX_DCS1800_P

RX_PCS1900_N

RX_PCS1900_P

RX_EGSM900_P

RX_EGSM900_N

RFOUT_DCS_PCS

RX_GSM850_P

RX_GSM850_N

C117

C118

C119

C121

C122

C127

C134

C135

C140

C141

C143

C14 8 C149

C151

C152

C153

C157

C159

C160

C161

C162

C163

C164

C165

C167

C168

C170

C171

C172

C173

C174

C176

C177

C178

C180

C183

C185

C186

C188

C190

C191

C194

DU

F101

F100F102

F103

L103

L104

L105

L106

L107

L108

L110

L111L112

L117

L118

L119

L120

L121

L124

L125

PAM100

R104

R105

R106 R112

R113

R114

R115

R116

R124

R133

R134

R135

U10

4


Level 3 Repair

8-38


8-4-4. WCDMA Band1 RX



Continous Rx ONRF Input : 10700CHAmplitude : -50dBm

The End

Check C190 = -65 dBm?


Yes

Yes

Yes

No

No



Replace PAM100

Check L117= -65 dBm? Replace DUF101No

Yes


Level 3 Repair

8-39


8-4-5. WCDMA Band8 RX



The End

Check C128 = -65 dBm?


Yes

Yes

Yes

No

No



Replace PAM100

Check C142 = -65 dBm? Replace DUF100No

Yes

Continous Rx ONRF Input : 3013CHAmplitude : -50dBm

CONTINUOUS RX ON

RF INPUT : 3013CH

AMP : -50dBm


Level 3 Repair

8-40


C117

C118

C121

C122

C127

C128

C129

C131

C132

C133

C134

C135

C136

C137

C140

C141

C142

C143

C144

C145

C146

C147

C148 C149

C151

C152

C153

C157

C159

C160

C161

C162C163

C164

C165

C167

C168

C170

C171

C172

C173

C174

C176

C177

C178

C180

C182

C183 C185

C186

C188

C190

C191

C194

DUF100

DU

F101

F100F102

F103

F104

L103

L104

L105

L106

L107

L108

L109

L110

L111L112

L113

L117

L118

L119

L120

L121

L122

L124

L125

PAM100

R104

R105

R106 R112

R113

R114

R115

R116

R124

R133

R134

R135

U102U

104


Level 3 Repair

8-41


8-4-6. GSM850/900 TX



Check R105 >= 13dBm?

Check PAM100 PIN26OUTPUT(RF CONN.)

With HP8960 >= 33dBm?

The End

Yes

Replace PAM100No

Tx ON (Level :5)Battery voltage:3.8V

Yes

Yes

NoCheck The U104

CONTINOUS TX ON CONDITIONTX POWER DAC:14500 CODE

APPLIEDGSM850 CH : 190GSM900 CH : 62

RBW : 100KHzVBW : 100KHzSPAN : 10MHz

REF LEV. : 10dBmATT. : 20dB


Level 3 Repair

8-42


8-4-7. DCS/PCS TX



CONTINOUS TX ON CONDITIONTX POWER DAC:14500 CODE

APPLIEDDCS CH : 698PCS CH : 661RBW : 100KHzVBW : 100KHzSPAN : 10MHz


Tx ON (Level :5)Battery voltage:3.8V

The End

Check R104 >= 11dBm?

Yes

Yes

Yes

No



Check The U104

Replace PAM100No


Level 3 Repair

8-43





IN 1

F100

2G

3G

4GG

510

G

C121

ANT1001 1

22

C105

ANT1011 1

22

C118C117

C122

L108

C135

4

VRAMP16

20

19RX1

21RX2

11SW_EN

17TXEN

TX_HB_IN10

9TX_LB_IN

3V

BA

TT

VB

AT

T

G G8

15G G

22 25G

MODE14

13RSVDRSVD

18

RSVD

39 40G G

41 42G G

43 44G

5G G

6 7

32

G33 34

G G35 36

GG2

G37 38

G G

26

BS12

1G

27G G

28

G29 30

G G31

G

PAM100

3G124

233G2

AN

T

2GG

34GG

5

G10

F102

C143

L110

C134

C141

13GG

4

RFS100

2A C

L104

L103

V_BAT

L107

C119

L112

L111

L106

R106

R124

C140

L101

L105

C106

R105

L102

R104

TRX_WCDMA900

TRX_WCDMA2100

ANT_SEL(3) ANT_SEL(2)ANT_SEL(1)

ANT_SEL(0)ANT_SEL(0)

RFOUT_G850_EGSM

RX_DCS1800_N

RX_DCS1800_P

RX_PCS1900_N

RX_PCS1900_P

RX_EGSM900_P

RX_EGSM900_N

RFOUT_DCS_PCS

RX_GSM850_P

RX_GSM850_N

C117

C118

C11

9

C121

C122

C127

C128

C129

C131C132

C133

C134

C135

C136

C137

C140

C141

C142

C143

C144

C145

C146

C147

C148 C149

C151

C152

C153

C157

C159

C160

C161

C162

C163

C164

C165

C167

C168

C170

C171

C172

C173

C174

C176

C177

C178 C180

C182

C183

C185

C186

C188

C190

C191

DUF100

DU

F101

F100F102

F103

F104

L103

L104

L105

L106

L107

L108

L109

L110

L111L112

L113

L117

L118

L119

L120

L121

L122

L124

L125

PAM100

R104

R105

R106

R112

R113

R114

R115

R116

R124

R133

R134

U102

U10

4


Level 3 Repair

8-44


8-4-8. WCDMA Band1 TX



Tx ONBattery Voltage: 3.8V

CONTINOUS TX ON CONDITIONTX POWER DAC:120 CODE APPLIED

CH : 10700RBW : 100KHzVBW : 100KHzSPAN : 10MHz


The End



Yes

Check C190 = 24 dBm ?

Check C191 = 26 dBm?

Check C160=-8dBm?

Check C157 = 5 dBm?

Yes

Yes

Yes

No

No

Check the U104

Replace PAM100

Replace U102

No

No

No

Replace U102

Replace DUF101

Yes

Yes


Level 3 Repair

8-45


8-4-9. WCDMA Band8 TX



Tx ONBattery Voltage: 3.8V



The End

Check C144 = 5 dBm?

Check C161 = 8 dBm ?

Yes

Yes

Yes

No

No

Check the U104

Replace PAM100

Replace DUF100Check C128 = 26 dBm?

No

No

Replace U102

Yes

Yes

CONTINOUS TX ON CONDITIONTX POWER DAC:120 CODE APPLIED

CH : 3013RBW : 100KHzVBW : 100KHzSPAN : 10MHz



Level 3 Repair

8-46


< WCDMA 900 & 2100 PAM>

L125

L124

L117

L118

5 7G G

8

G9

1RX3 TX

DUF101

6ANT

G2

G4

G

G

2

G

3 5

G

1 IN 4OUT

F103

R113

C131

C162

C190

R1

14

V_BAT

C137

C144

C145

C128

C1

36

C151

C146

R1

15

C159

C132

L10

9

C164

L113

C152

C157

14RFOUT_B8

4VBAT

12VCC

6VEN_B1

VEN_B85

2VMODE0

VMODE13

8CPL

9GND

11GND

13GND

15 G

ND

RFIN_B17

RFIN_B81

10RFOUT_B1

U102

C163

C129

C191

C14

7

L119

C133

RX3 TX

6

ANT

2

G G

4 5

G G

7

G9

RX 1

8

DUF100

C142

PA_R0

PA_ON_W2100

PA_R1

PA_ON_W900

PWR_DET

RFOUT_W2100

WCDMA_RXM_900

TRX_WCDMA900

RFOUT_W900

RTR_W2100_RX

TRX_WCDMA2100

WCDMA_RXP_900




IN 1

F100

2G

3G

4GG

510

G

C121

ANT1001 1

22

C105

ANT1011 1

22

C118C117

C122

L108

C135

4

VRAMP16

20

19RX1

21RX2

11SW_EN

17TXEN

TX_HB_IN10

9TX_LB_IN

3V

BA

TT

VB

AT

T

G G8 15

G G22

25

G

MODE14

13RSVDRSVD

18

RSVD

39

40

G G41

42

G G43

44

G

5G G

6 7 32

G33

34

G G35

36

GG2

G37

38

G G

26

BS12

1G

27

G G28

G29

30

G G31

G

PAM100

3G124

233G2

AN

T

2GG

34GG

5

G10

F102

C143

L110

C134

C141

13GG

4

RFS100

2A C

L104

L103

V_BAT

L107

C119

L112

L111

L106

R106

R124

C140

L101

L105

C106

R105

L102

R104

TRX_WCDMA900

TRX_WCDMA2100

ANT_SEL(3)

RFOUT_G850_EGSM

RX_DCS1800_N

RX_DCS1800_P

RX_PCS1900_N

RX_PCS1900_P

RX_EGSM900_P

RX_EGSM900_N

RFOUT_DCS_PCS

RX_GSM850_P

RX_GSM850_N


Level 3 Repair

8-47


C11

7

C11

8

C1

19

C121

C122

C127

C128

C129

C131

C132

C133

C134

C135

C136

C137

C140

C141

C142

C143

C144

C145

C146

C147

C148 C149

C151

C152

C153

C157

C159

C160

C161

C162

C163

C164

C165

C167

C168

C170

C171

C172

C173

C174

C176

C177

C178

C180

C182

C183 C185

C186

C188

C190

C191

DUF100

DUF1

01

F100F102

F103

F104

L103

L104

L105

L106

L107L108

L109

L110

L111L112

L113

L117

L118

L119

L120

L121

L122

L124

L125

PAM100

R104

R105

R106 R112

R113

R114

R115

R116

R124

R133

R134

U102

U104


Level 3 Repair

8-48


8-4-10. BLUETOOTH

Bluetooth connection disable

Yes

Check BT functionON Enable BT function

No

Yes

Check the voltageof U201 is around 3.

0V

NoCheck U201 and change

Check 26KHz Clockon U202 (H6)

Yes

Check OSC200No

Yes

Check theassembled status of

ANT201

NoExchange ANT201

Yes

ExchangeNo

Check UCP300

Yes

END


Level 3 Repair

8-49


BT & FM COMBO

C211

TP201

H6

H7

VS

S

BT_

VD

DP

X

XOUT

G7

VS

S

BT_

VD

DR

F

H1GPIO2

H2GPIO0

VB

AT

H4VREG

H5VREGHV

XIN

TM0

F7RES

F8V

SS

VD

DO

G2GPIO1

VD

DC

G4LPO_CLK

G5VREG_CTL

G6

E6

E7

VS

S

E8BT_RFP

PCM_INF1

F2PCM_SYNC

F3COEX_IN

F4SPARE

F5V

SS

F6

D6

BT_

VD

DIF

BT_

VD

DTF

E1PCM_CLK

PCM_OUTE2

E3COEX_OUT1

E4I2S_CLK

E5I2S_WS

COEX_OUT0

C6

FM_V

DD

RF

C8FM_LNA2

VD

DC

D2UART_RXD

D3SDA|I2C_DA

D4SCL|I2C_CK

D5I2S_DO

VS

S

B6

B7

VS

S

B8FM_RXN

C1UART_TXD

C2

VS

S

C3UART_CTS_N

VS

SC

4

C5TM2

TM3

A7SPARE

A8FM_RXP

B1UART_RTS_N

B2GPIO5

B3FM_AOUT_L

FM_AOUT_RB4

B5SPARE

VS

S

U201

1N

C2

NC

A1GPIO6|FM_IRQ

A2TCXO_MODE

A3SPARE

A4SPARE

FM_V

DD

AU

DIO

SP

AR

E

TP203

R201

C218

C217

VREG_MSMP_2.6V

TP202

TP204

TP212

C240

TP_WLAN_RST

L211

C236

R202

L209

TP208

C237

VWLAN_3.3V

VWLAN_1.8V

SWREG_OUTL9

C238

VREGL11

GPIO_25L2

GPI

O_2

3L3

GPIO_1L4

GPIO_3L5

GPIO_4L6

PAREG_BASEL7

PAREG_VDD33_OUTL8

GPIO_0K4

GPIO_2K5

PM_MODEK6

PM_ENABLEK7

VBATTERY_42K8

VBATTERY_42K9

GPIO_24L1

SWREG_OUTL10

DVDD

_SDI

OJ1

0

SREG_OUTJ11

VDD3

3_AN

TJ2

XTAL

0K1

CHIP_PWDK10

DREG_OUTK11 VD

D18_

XTAL

K2

DVD

D_S

OC1

K3

GPIO_9H11

ANTEH2

DVD

D12

H4

DVD

D12

H5

GND

H6

GND

H7

GND

H8

XTAL

IJ1

ANTBG2

GND

G4

GND

G5

GND

G6

GND

G7

GND

G8

XPABIAS5H1

GPIO_10H10

GND

F4

GND

F5

GND

F6

GND

F7

DVD

D12

F8

XPABIAS2G1

GPIO_12G10

GPIO_11G11

GND

E5

GND

E6

GND

E7

DVD

D12

E8

ANTCF1

GPIO_14F10

GPIO_13F11

ANTAF2

GND

D6

GND

D7

DVD

D12

D8

ANTDE1

GPIO_6E10

GPIO_5E11

VDD1

8_BB

E2

GND

E4

GPIO_15C11

VDD

12_S

YNTH

C2

BIASREFD1

GPIO_8D10

GPIO_7D11

VDD

18_S

YNTH

D2

GND

D4

GND

D5

GND

B4

VDD

33_P

AB5

VDD

33_P

AB6

GND

B7

GPIO_22B8

GPIO_20B9

VDD1

2_BB

C1

DVD

D_S

OC2

C10

RF5OUTPA7

RF5OUTNA8

GPIO_19A9

BT_RX_OUTB1

GPIO_17B10

GPIO_16B11

VDD1

8_RF

B2

GND

B3

RF2INPA1

GPIO_21A10

GPIO_18A11

RF2INNA2

RF5INPA3

RF5INNA4

RF2OUTPA5

RF2OUTNA6

U202

NC1

NC2

33

ANT2011 1

22

TP210

L212

OSC200

4 1

L210

VREG_MSMP_2.6V

C235

6

TX_B

IAS

89

VC1

VC2

161

VC3

TP209

13GNDGND

1415

GNDGND

1819

GND

RX23

RX

5TXTX

F200ANT 12

BT17

GND47

GNDGND10

11 GND

WLAN_SD_DATA(3)WLAN_SD_DATA(2)WLAN_SD_DATA(1)

WLAN_SD_DATA(0)

BT_PRIORITY

WLAN_ACTIVE

BT_CLK_REQ

BT_ACTIVE

ANT_SEL_E

ANT_SEL_B

ANT_SEL_C

WLAN_RESET_N

WLAN_SD_CLK

WLAN_HOST_WAKE

WLAN_SD_CMD

ANT_

SEL_

CAN

T_SE

L_B

ANT_

SEL_

E

BT_RF_TRX


Level 3 Repair

8-50


C20

0

C201

C20

2

C20

3

C20

4

C205

C206

C207

C208

C211

C214

C215

C217

C218

C219

C220

C221

C222

C223

C224

C226 C229

C230

C231C232

C233

C234

C236

C237

C239

C240

F200

L200

L201L204

L205

L206

L210

OSC

200

R201

R202

TP20

1

TP202

TP203

TP204

TP212

U20

1

U202

ANT201

L209

L211

L212


Level 3 Repair

8-51


8-4-11. FM RADIO

Radio does not work

Yes

Check C200

and Check U401

NoC200 ≥ 2.8V

Yes

C214, 215 is OK?(When U201

operate)

No Resolder C214,C215and check U201

Yes

Check signalrelated to U201

Yes

END


Level 3 Repair

8-52


BT & FM COMBO

C211

TP201

H6

H7

VS

SH

8B

T_V

DD

PX

XOUT

G7

VS

SG

8B

T_V

DD

RF

H1GPIO2

H2GPIO0

H3

VB

AT

H4VREG

H5VREGHV

XIN

TM0

F7RES

F8

VS

S

VD

DO

G1

G2GPIO1

G3

VD

DC

G4LPO_CLK

G5VREG_CTL

G6

E6

E7

VS

S

E8BT_RFP

PCM_INF1

F2PCM_SYNC

F3COEX_IN

F4SPARE

F5

VS

S

F6

D6

D7

BT

_VD

DIF

D8

BT

_VD

DT

F

E1PCM_CLK

PCM_OUTE2

E3COEX_OUT1

E4I2S_CLK

E5I2S_WS

COEX_OUT0

C6

C7

FM

_VD

DR

F

C8FM_LNA2

D1

VD

DC

D2UART_RXD

D3SDA|I2C_DA

D4SCL|I2C_CK

D5I2S_DO

VS

S

B6

B7

VS

S

B8FM_RXN

C1UART_TXD

C2

VS

S

C3UART_CTS_N

VS

SC

4

C5TM2

TM3

A6

A7SPARE

A8FM_RXP

B1UART_RTS_N

B2GPIO5

B3FM_AOUT_L

FM_AOUT_RB4

B5SPARE

VS

S

U201

1N

C2

NC

A1GPIO6|FM_IRQ

A2TCXO_MODE

A3SPARE

A4SPARE

FM_V

DD

AU

DIO

A5

SP

AR

E

L206

C208

TP203

R201

C218

C217

VREG_MSMP_2.6V

L204 TP202

C215

C214

TP204

C219 C220

L205

TP212

C240

BT_PCM_DINBT_PCM_DOUT

BT_PCM_CLK

BT_CLK_REQ

BT_RF_TRX

FM_ANT

FM_ROUTFM_LOUT

BT_HOST_WAKEBT_WAKE

BT_PCM_SYNC

BT_ACTIVEWLAN_ACTIVE

BT_PRIORITY

C20

0

C2

01

C20

2

C20

3

C20

4

C20

5

C206

C207

C208

C209

C210

C211

C212

C214

C215

C216

C217

C218

C219

C220

C221

C222

C223

C224

C230

C232

C233

C236

C240

L200

L201L202

L204

L205

L206

L207

OSC

200

R201

R202

TP20

1

TP202

TP203

TP204

TP212

U20

0 U20

1


Level 3 Repair

8-53


8-4-12. GPS

Operate GPS

Yes

NoReplace UCP300Check C209 = High ?

Yes

NoReplace U200Check L202 >= -53dBm?

Yes

The End

Check ANT200,L203Abnormal

Resolder ANT200, L203

Normal

GPS Signal Input: -50dBm@L203


Level 3 Repair

8-54


GPS LNA

L202

C210

10RFOUT

VCTL8

VDD

12

G

4

G

5

G

6 7

G

9

G

11

G

13

G

RFIN2

U200

1

G

3

G

C213

L208

11

22

33

VREG_RFRX1_2.7V

ANT200L203

C216

C212

L207

C209

GPS_LNA_ON

RX_GPS

C200

C201

C202

C203

C204

C205

C206

C207

C208

C209

C210

C211

C212

C214

C215

C216

C217

C218

C219

C220

C221

C222

C223

C224

C230

C232

C233

C236

C240

L200

L201

L202

L204

L205L206

L207

OS

C200

R2

01

R202

TP20

1

TP202

TP203

TP204

TP212

U20

0

U20

1


Level 3 Repair

8-55


8-5. Service Schematics

- NC Point(Top View)● : NC

UME300 　　　　　　　　　　　　

　 1 2 3 4 5 6 7 8 9 10 11 12 13 14 　

A ○ ○ ● ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ 　

B ○ ○ ○ ● ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ 　

C ○ ● ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ 　

D ○ ○ ○ ○ ○ ○ ○ 　

E ○ ○ ○ ○ ● ● ○ ● ● ○ ○ ○ 　

F ○ ○ ○ ○ ● ○ ○ ○ 　

G ○ ○ ○ ○ ● ○ ○ ○ 　

H ○ ○ ○ ○ ○ ○ ○ ○ 　

J ○ ○ ○ ○ ○ ○ ○ ○ 　

K ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ 　

L ○ ○ ○ 　　　　 ○ ○ ○ 　

M ○ ○ ● ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ 　

N ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ 　

P ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ 　

　　　　　　　　　　　　　　

U401 　　　　　　　　　　　

　 1 2 3 4 5 6 7 8 9 10 11 　

A ● ○ ○ ○ ○ ○ ○ ○ ○ ○ ● 　

B ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ 　

C ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ 　

D ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ 　

E ○ ○ ○ ○ ○ ○ ○ ○ ○ ● ○ 　

F ○ ○ ○ ● ○ ○ ○ ○ ○ ● ○ 　

G ○ ○ ○ ● ● ● ○ ○ ○ ○ ○ 　

H ● ○ ○ ○ ● ● ○ ○ ○ ○ ○ 　

J ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ 　

K ● ○ ○ ○ ○ ○ ○ ○ ○ ○ ● 　

　　　　　　　　　　　　　


Level 3 Repair

8-56


UCP300

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

A ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● A

B ● ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ● B

C ● ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ● C

D ● ○ ○ ○ ○ ● D

E ● ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ● E

F ● ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ● F

G ● ○ ○ ○ ○ ○ ○ ○ ○ ● G

H ● ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ● H

J ● ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ● J

K ● ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ● K

L ● ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ● L

M ● ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ● M

N ● ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ● N

P ● ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ● P

R ● ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ● R

T ● ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ● T

U ● ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ● U

V ● ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ● V

W ● ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ● W

Y ● ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ● Y

AA ● ○ ○ ○ ○ ○ ○ ○ ○ ● AA

AB ● ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ● AB

AC ● ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ● AC

AD ● ○ ○ ○ ○ ● AD

AE ● ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ● AE

AF ● ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ● AF

AG ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● AG

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

samsung gt-s5670 galaxy fit 08 level 3 repair - block, pcb diagam, flow chart of troubleshooting

Documents

samsungs authorization8

msm trst

initial operationcheck

power onpower switch

pcb diagrams