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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 Samsungswritten authorization isstrictly prohibited.

8-1. Block Diagram

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8-2

8-2. PCB Diagrams

8-2-1. TOP

ANT100

ANT102

ANT200

ANT201

ANT500

ANT501

BH601

BH602

C100

C101

C102

C103

C104

C105

C106

C107

C108C109C113

C115

C118

C119

C121

C124

C125

C126

C127

C128

C129

C130

C131

C132

C133

C134

C135

C136

C137

C138

C139

C140

C141

C142

C143

C144

C145

C146

C147

C148

C149

C150

C151

C152

C153

C154

C155

C156

C157

C158

C159

C160

C161

C162

C163

C164

C168

C169

C170

C171

C180

C181

C182

C183

C184

C185

C186

C187

C188

C189

C190

C191

C192

C193

C194

C195

C196

C

197

C

198

C199

C200

C201

C202

C203

C204

C205

C212

C215

C216

C217

C220

C221

C222

C223

C224

C225C226

C227

C228

C229

C230

C231

C232

C233

C234

C235

C236

C237C238

C239

C240

C241

C242

C243

C244

C245C246

C247

C248C249

C250

C251

C252

C254

C256

C257

C258

C259

C263

C264

C291

C292

C293

C295

C296

C297

C298

C299

C400

C40

1

C406 C407

C408

C409

C410

C421

C422

C423

C424

C425

C426

C427

C428

C429 C430

C431

C432

C433

C442

C443

C448

C506C507

C

527

C536

C539

C541

C553

C554

C555

C556

C557

C558

C561

C562

C564

C565

C566

C567

C568

C570C571

C572

C573

C574

C575

C576

C579

C580

C581

C583

C584

C585

C586

C587

C588

C589

C606

C607

C610

C611

C612

C613

C614

C615

C616

C617

C618

C620

C621

C622

C623

C625

C626

C627

C628

C629

C634

C637

C638

C639

C640

C641

C642

C643

C646

C647

C649

C650

C652

C653

C655

C656

C660

C703

C704

C705

C724

C725

C744

C745

C746

C752

C753

C756

C758

C759

C760

C761

C762

C800

C801

C802

C803

C804

C805

C806

C807

C808

C809

C810

C811C812

C813

C814

C815

C817

C818

C819

C820

C822C823

C824

C825

C826

C827C

828

C829

C830

C831

C832

C833

C834

C835

C836

D500

D501

F100

F101

F102

F103

F200

F500

FM_RST

HDC500

HDC501

HDC600

HDC601

HDC700

HDC702

HDC703

HDC800

HDC801

HEA300

L100

L101

L102

L103

L104

L107

L108

L109L110

L111

L112

L113

L114L115

L117

L118

L119

L120

L121

L122

L128

L129L

130

L131

L200

L203

L205

L206

L207

L208L209

L218

L219

L220

L221L222

L511

L512

L513

L515

L600

L601

L602

L604

L608

L609

L610

L612

L701

L710

L713

L800

L801

L802

L803

LED500

MIC600

OSC100

OSC201

OSC

202

OSC203

OSC400

OSC500

PEN_IRQPEN_TP_AOUT

Q021

Q200

Q600

R101

R103

R104

R105

R112

R207

R210

R211R212

R213

R214

612R512R

R217

R218

R219

R220

R221

R222

R223

R224

R225

R320

R326

R416

R418

R420

R421

R424

R429

R430

R433

R434

R435

R436

R453

R454

R457

R458

R459

R460

R465

R470

R471

R500

R505

R506

R511

R512

R513

R514

R515

R516

R518

R520

R521

R522

R523

R524

R525R526

R527

R528

R529

R530

R531

R532

R605

R610 R612

R613

R614

R616

R617

R630

R635

R638

R639

R640

R641

R643

R646

R647

R650

R651

R652

R656

R657

R658

R659

R660

R704

R706

R709

R731

R735

R736

R758

R761

R762

R763

R764

R800

R801

R802

R803

R804R805

R806

R807

R808

R809

R810

R811

R812

R813

R814

R815

R816

R817

R818

R819

R820

R821

R822

R823

R824

R825

R826

R827

R828

R829

R831R832

R833R834

R835R836

R837

R838

R839

RFS100

SC200

SC201

TA500

TA600

TAC603

TH401

TP210

TP211

TP213

TP214

T P2 1 5 T P2 23TP224 TP225TP226

TP232

TP233

TP234

TP236

TP237

TP238

TP239

TP240

TP319TP321

TP500

TP607

TP609

TP800

TP801

TP802

TP803

TP_101

TP_GPS_EN

U100

U101

U103

U200

U204

U210

U226

U228

U230 U232

U400U

501

U 50 2 U 50 4

U505

U506

U600

U601

U604

U605

U606

U703

U707

U708

U710

U800

U801

U802

U803

U805

U806

U807

U808

U809

V100

V600

V602

V603

ZD500

ZD501

ZD602

ZD603

ZD604

ZD605

ZD606

ZD607

ZD608

ZD609

ZD702

ZD703

ZD704

ZD705

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8-3

8-2-1. Bottom

ANT502

ANT503AP_PS_HOLD

BH100

BH101

BH600

BTC500

C110

C111

C112

C114C116

C117C120

C122

C123

C165

C166C167

C172C173

C174

C175

C176

C177

C178

C179

C206

C207

C209

C210

C211

C213

C218

C219

C253 C255

C300

C301

C302

403C303C

C305 C306

C307

C308

C309

C310

C311

C312

C313

C314

C315

C316

C317

C318

C319

C320

C321

C322

C323

C324

C325

C326 C327

C328

C329

C330

C331

C332

C333

C334

C335

C336

C337

C338

C339

C340

C341

C342

C343

C344

C345

C346

C347

C402

C403

C404

C405

C411

C412C413

C414

C415

C416

C417

C418

C419

C420

C434

C435

C436

C437C438

C439

C440

C441

C444

C445

C446

C447

C449

C450

C451

C452

C453

C500

C501

C502

C503

C505

C508

C509

C510

C511

C512

C513

C514

C515

C516

C517

C518

C519

C520

C521

C522

C523

C524

C525

C526

C528

C529

C530

C531

C532

C533

C534

C535

C537

C538

C540

C542

C543

C544

C545

C546

C547

C548

C549

C550

C551

C552

C559

C560

C563

C590

C600

C601

C602

C603

C604

C605

C619

C632

C633

C644

C651

C654

C706

C707

C708

C710C711

C712

C713C714

C715

C716

C718

C719

C720

C721

C722

C723

C726

C729

C730

C731

C734

C735

C736

C737

C738

C739

C740

C741

C743

C748 C749

C750C751

C757

C816

C821

HDC701

L105

L106

L116

L123

L124

L125

L126

L127

L204

L300

L301

L302

L30

3

L500

L501

L502

L503

L504

L505

L506

L507

L508

L509

L510

L514

L516

L603

L605

L607

L613

L614

L700

L702

L703

L704

L705

L706

L707

L712

OSC200

OSC800

R102

R201

R202

R203

R204

R205

R206

R209

R227

R228

R300

R304

R305

R306

R307

R308

R309

R310

R311

R312

R313

R314

R315

R316

R317

R318

R319

R321

R325R327R328

R329

R330

R331

R332

R334

R335

R402

R403

R404

R405

R406

R407

R408

R409

R410

R412

R413

R414

R415

R417

R419

R422

R423

R425

R426

R427

R428

R431

R432

R437

R438

R441

R442

R443

R444

R445

R446

R447

R448

R451

R452

R455

R456

R461

R462

R463

R464

R466

R467 R468 R469

R475

R476

R477

R501

R502

R

503

R

504

R507

R509

R600

R602

R606

R619R620

R623

R707

R708

R710R711

R712

R721R722

R725

R728R729 R730

R732

RESET300

SUS200

SUS201

SUS202

SUS203

TA100

TA501

TAC600

TAC601

TH300

TH400

TP207

TP208TP209

TP212

TP216

TP217

TP218

TP219

TP220TP221 TP222

TP227

TP228

TP229

TP300

TP301

TP302

TP303

TP304

TP305TP306

TP307

TP308

TP309

TP310 TP311

TP312

TP313TP314

TP315TP316TP317T P318 T P320TP322

TP323

TP324

TP325

TP326

TP328

TP329

TP330

TP400

TP401

TP402

TP403

TP501

TP502

TP503

TP504

TP505TP506

TP507TP508TP509

TP600

TP601

TP602

TP603TP604TP605

TP606

TP610

TP611

TP612

TP700TP701 TP702

TP703

TP704

TP705

TP706

TP_100

U102

U104

U224

U231

U302

U500

U503

U602

U603

U700

U701 U702

U704

U709

UCP300

UCP400

UME300

V601

V700V701

ZD700

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8-4

8-3-1. Power On

Check the HDC601

Cell-phone can`t power on.

Change the HDC601(Power-key)

And retry to the power-on operation.

END

No

Yes

Check the U500 output voltage(C552= 1.1V, C550= 1.0V,C549 = 1.0V, C547 = 1.0V)

If the output voltage is not satisfied with normal

condition, Change the U501.

Each voltage will be changed from 0.9V to

1.3Vduring booting.

No

Yes

Check the U500 output signal(AP_PS_HOLD(TP) > 1.8V)

If the output voltage is not satisfied with normal.

condition, Change the U500.

Each voltage level has 10% margin.

No

Yes

Check the Battery Voltage.Is it more than3.4V?

Charging the battery by TA.

If its voltage level is extremely low(under3.0V),

Change the battery.

check the initial operation

Yes

Abnormal

Check the Clock OSC500(C506)Is that frequency 32Khz?

Change the OSC500.

If OSC400 does not still work, Change the U501

This problem is internal oscillator of U501.

Test condition (Oscilloscope setting)

: 20.0us.div (time division)

No

Yes

Yes

Change the FRONT-OCTA LCD ASSY

Power-on the phone and check

the power-on sound

or motor biration.

Sound or Biration is ok?

Yes

No

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8-5

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8-6

8-3-2. Initial

Initial Failure

END

Check the AP ResetAP_N_RST_IN(R503)= 1.8V(High)

Yes

Check the U500 and R503 (crack, open, etc.)

Check the oscillator clock waveforms.32.768KHz : OSC500(C506),

24Mhz : OSC400(C443)

Check the OSC500, OSC400 and R416.(Crack, open etc.)

Check the output clock waveforms and frequency.

Test condition (Oscilloscope setting): 20.0us.div (time division)

Abnorma

l

Yes

Normal

No

Re-download SW the cell-phone.

Change UCP400,U501

Abnormal

Abnormal

Change PBA

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8-7

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8-8

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8-9

8-3-3. No Service

No service

END

Check the CP_VSD1,CP_VSD2_1.8VCP_VSD1(C351)=0.9~1.4V

CP_VSD2 (C353) = 1.8V

Yes

Replace the UCP300

Yes

Check VREFVREF( C360)= 600mV Replace the UCP300

Yes

No

No

Check memu setting

Menu applications setting wireless and network

mobile networks network mode setting is auto mode?

Check the connection of RF coaxial cable

(QCB01 @ page2 )

Change the board

PHONE: N7100XXXXXX

PHONE : unknown

Menu Phone Keypad *#1234# check Phone version

PHONE: N7100XXXXXX orPHONE : unknown

Abnormal

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8-10

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8-11

8-3-4. Sim Part

Insert SIM card

Check the Pin Solderingof HDC500

Yes

Yes

No

END

Check the SIM Voltage.(C321)>= 1.8or3.0?

Resoldering and recheck

Change to the new SIM card.

If it doesn`t still work SIM card after changeing

the SIM card, Check the UCP300 (Crack etc)

Yes

No

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8-12

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8-13

8-3-5. Charging Part

TA/ USB Insert

Yes

END

Charging Sequence StartV_BUS_5V = 5V

No Check C562= 5V,or may not connected TA /USB

Yes

Check the CHG_IN_5V(C553)=5VNo

Resolder and Replace U502

Yes

Battery is Charging?No

Resolder or Replace U505

Yes

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8-14

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8-15

8-3-6. Microphone Part (Main MIC)

Check Sub-PCB modulewhere main MIC is placed

for any damage (Tear in FPC,etc)

Check component solderingstatuses of C625, C626

Change the Sub-PCB module

Resolder or replace C625, C626

END

No

Yes

Yes

Yes

No

Check main microphone function

in voice call receiver mode

or in Voice Recording mode

Check the voltage atC607= 2.8V

Resolder or replace U600No

Yes

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8-16

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8-17

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8-18

8-3-7. Microphone Part (Sub MIC)

Check Sub MIC Solderingfor any damage

Check component solderingstatuses of C634, C637

Resolder or replace MIC600

Resolder or replace C634, C637

END

No

Yes

Yes

Yes

No

Check Sub microphone function

in voice call loudSPK mode

Check the voltage atC654= 2.8V Check U601 function

No

Yes

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8-19

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8-20

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8-21

8-3-8. Speaker Part

Check the signals with subPCB contact

Check speaker function.

Play MP3 with maximum volume level.

No

Replace sub PCB

END

Yes

Yes

Replace the speakermodule

Yes

Check the connection ofHDC501

Yes

No

Reconnect HDC501

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8-23

8-3-9. Receiver Part

Check the signals onC652, V602,V603

Check receiver function

in voice call receiver mode.

No

Resolder or replace U601

END

Yes

Yes

Check the connection ofHDC600

Yes

No

Reconnect HDC600

Check RCV-Earjack

module where RCV's placedfor any damage (Tear inFPC, etc)

Yes

No

Replace the RCV-Earjack module

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8-24

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8-25

8-3-10. BT/WIFI

BT/WiFi is not working

Check BT or WiFi functionON

NoEnable BT or WiFi Function

Yes

END

Check the Voltage on C209=1.8V

NoCheck the U500(crack, open, damaged, etc.)

Yes

Check 37.4MHz Clock atR209

NoCheck the OSC200(crack, open, etc.)

Yes

Check the Voltage on L204 =1.5V

NoResolder or change the L204

Yes

Check the Status of

C202, ANT201

NoResolder or Replace C202, ANT201

Yes

Resolder or Replace U224

Yes

Yes

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8-26

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8-27

8-3-11. FM RADIO

FM Radio is not working

END

Check the Connection ofHDC600

NoConnect Earjack Ass'y correctly to HDC600

Yes

Check the Audio Signal atC640,C643

No Check Earphone(crack, open, etc.)Check Audio Codec IC (U601)

Yes

Resold and Replace U226

Yes

Yes

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8-29

8-3-12. LCD

LCD is still off after PWR ON

Yes

NoReconnect the HDC 702

Check the connection ofHDC 702

END

No

Resolder or Replace the PMIC(U500)

Yes

Check VCI_3.0V_LCD=3.0V(C541),

VCC_1.8V_LCD = 1.8V(C532),

Yes

Yes

Replace LCDModule

Yes

Check ELVDD_4.6V =4.6V(C726), ELVSS_-4.0V= -

1.4~4.4V(C718)Resoldering L705, L706

No

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8-30

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8-31

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8-32

8-3-13. TSP

Touch Screen does not work

Yes

No

Reconnect the HDC702Check TSP Connector onMain PBA

Yes

END

Yes

NoReconnect TSP Connector

Check the TSP connector onLCD Module

Yes

Replace LCD Module

Yes

Check the I2C signal(R457,

R458)

Yes

Resolder R457, R458

No

NoTSP_VDD_1.8V=1.8V(C540) and TSP_AVDD=

3.3V(C539)Resolder or Replace the PMIC(U500)

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8-33

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8-35

8-3-14. 8M CAM

Yes

Check the Cameraconnector on Main PBA

Reconnect the HDC701No

Check the voltageC723 = 2.8V,C721 = 2.8VC758 = 1.2V

C535 = 1.8VC529= 1.2V

Replace or Resolder U702, C723, C706


Replace or Resolder U710, C758, C760,

R762, L713, C759, R763


Replace the PBA

No

END

Replace the camera module

"Camera" function does not work

Yes

Yes

Check L700, L701 is OK

Yes

NoResolder L700, L701

Abnorma

NoCheck the I2C

signal(R729,730), (R721,722)Resolder or Replace R721, R722, R729,

R730

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8-37

8-3-15. 2M CAM

Yes

Check the Cameraconnector on Main PBA Reconnect the HDC700

No

Check the voltageC721 = 1.8VC536 = 1.8VC535 = 1.8VC529 = 1.2V

No

Yes

END

Replace the camera module

"Camera" function does not work

No

Yes



Replace the PBA

Check the I2C signal(R433,

R434) Resolder or Replace R433, R434

Yes

Abnorma

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8-39

Check C103 -65dBm?

8-3-16. GSM1800 RX

NORMAL CONDITIONcatch the channel?

Check the voltage at{C150 = VOUT_CHARGER ?}

& {C165, C166, C167= VOUT_CHARGER?}

& {C149, C174= 2.85V ?}& {C144, C172= 2.65V ?}& {C148, C177= 1.8V?}

& {C147, C175, C173= 1.2V?}

Check the Voltage at

C101 = VDD_2V85_SUE2 ?

Check componentsoldering status OK at

F100

CHECK solderedRFS100, L102,C103,C106

Resolder or changeU100, C101

Resolder or changeF100

Resolder or changeU104

Check the freq. atOSC100 PIN1,3: 26MHz ?

Change or resolderOSC100

Check L133

-65dBm?Resolder or change

L133

GSM1800 Receiver is O.K? Resolder or changeUCP300

END

NO

YES

NO

NO

YES

NO

YES

NO

YES

NO

YES

NO

YES

NO

Check F100 PIN18, 19

-65dBmResolder or change

F100

NO

YES

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Check C103 -65dBm?

8-3-17. WCDMA Band1 RX

CONTINUOUS RX ON

RF INPUT: 10700CH

AMP: -50dBm




& {C149, C174= 2.85V ?}& {C144, C172= 2.65V ?}& {C148, C177= 1.8V?}

& {C147, C175, C173= 1.2V?}


C101 = VDD_2V85_SUE2 ?


F100







Check L104


L104

WCDMA BAND1 Receiver is O.K? Resolder or changeUCP300

END

NO

YES

NO

NO

YES

NO

YES

NO

YES

NO

YES

NO

YES

NO



F100

NO

YES

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8-46

Check C103 -65dBm?

8-3-14. WCDMA Band2 / GSM1900 RX

CONTINUOUS RX ON

RF INPUT : 9880CH

AMP: -50dBm




& {C149, C174= 2.85V ?}& {C144, C172= 2.65V ?}& {C148, C177= 1.8V?}

& {C147, C175, C173= 1.2V?}


C101 = VDD_2V85_SUE2 ?


F100







Check L132


L132

WCDMA BAND2/GSM1900Receiver is O.K?

Resolder or changeUCP300

END

NO

YES

NO

NO

YES

NO

YES

NO

YES

NO

YES

NO

YES

NO



F100

NO

YES

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8-48

Check C103 -65dBm?

8-3-18. WCDMA Band5 / GSM 850 RX

CONTINUOUS RX ON

RF INPUT: 4408CH

AMP: -50dBm




& {C149, C174= 2.85V ?}& {C144, C172= 2.65V ?}& {C148, C177= 1.8V?}

& {C147, C175, C173= 1.2V?}


C101 = VDD_2V85_SUE2 ?


F100







Check C118, L107


C118, L107



END

NO

YES

NO

NO

YES

NO

YES

NO

YES

NO

YES

NO

YES

NO

Check F100 PIN20,21


F100

NO

YES

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8-50

Check C103 -65dBm?

8-3-19. WCDMA Band8 / GSM900 RX

CONTINUOUS RX ON

RF INPUT: 3013CH

AMP: -50dBm




& {C149, C174= 2.85V ?}& {C144, C172= 2.65V ?}& {C148, C177= 1.8V?}

& {C147, C175, C173= 1.2V?}


C101 = VDD_2V85_SUE2 ?


F100







Check L134


L134



END

NO

YES

NO

NO

YES

NO

YES

NO

YES

NO

YES

NO

YES

NO

Check F100 PIN22,23


F100

NO

YES

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U100 PIN11 : About30dBm ?

8-3-20. GSM850/GSM900 TX


R105,C134=VOUT_CHARGER?

CHECK solderedRFS100,C103, L102

C107,L100,ANT100


Resolder or changeU103,R105,C134

Check C129,L135,L109: About 30dBm?

Resolder or changeC129,L135,L109

YES

NO

NO

YES

YES

NO

NO

YES

Check C139,C124: About 0dBm ?

Resolder or changeC139,C124

YES

YES



GSM850/900 Transmitter is O.K? Resolder or changeUCP300

END

NO

YES

NO

YES

NO

CONTINOUS TX ON CONDITIONTX POWER DAC:14500CODE

APPLIEDGSM850 CH: 190GSM900 CH : 62

RBW: 100KHzVBW : 100KHzSPAN: 10MHz

REF LEV. : 10dBmATT. : 20dB


C101 = VDD_2V85_SUE2 ?

Check the voltage at{C150= VOUT_CHARGER?}

& {C165, C166, C167

= VOUT_CHARGER?}& {C149, C174= 2.85V ?}& {C144, C172= 2.65V ?}& {C148, C177= 1.8V?}

& {C147, C175, C173 = 1.2V?}

Check the freq. atOSC100 PIN1,3 : 26MHz ?

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U100 PIN11 : About30dBm ?

8-3-21. DCS/PCS TXCONTINOUS TX ON CONDITION

TX POWER DAC:14500CODEAPPLIED

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





C107,L100,ANT100


Resolder or changeU103,R105,C134

Check C135,L110,C136: About 30dBm?

Resolder or changeC135,L110,C136

YES

NO

NO

YES

YES

NO

NO

YES

Check C138,C121: About 0dBm ?


YES

YES



DCS/PCS Transmitter is O.K? Resolder or changeUCP300

END

NO

YES

NO

YES

NO


C101 = VDD_2V85_SUE2 ?


& {C165, C166, C167

= VOUT_CHARGER?}& {C149, C174= 2.85V ?}& {C144, C172= 2.65V ?}& {C148, C177= 1.8V?}

& {C147, C175, C173 = 1.2V?}

Check the freq. atOSC100 PIN1,3 : 26MHz ?

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U100 PIN11 : About30dBm?

8-3-22. WCDMA BAND1 TX

Check L104 :About22dBm?

Resolder or changeL104

YES

NO


F100


NO

YES

Check C140,L136 :About22dBm?

Resolder or changeC140,L136

YES

NO



Resolder or changeU103, R105,C134

NO

YES

Check C138, C121About0dBm?

Resolder or changeC138, C121

YES

YES

WCDMA BAND1 Transmitter is O.K? Resolder or changeUCP300

END

YES

NO


APPLIEDWCDMA Band1 CH: 10700

RBW: 100KHzVBW: 100KHzSPAN : 10MHz



C107,L100,ANT100

YES

NO


NO

YES


C101 = VDD_2V85_SUE2 ?



NO

YES

NO


& {C165, C166, C167 =VOUT_CHARGER?}

& {C149, C174= 2.85V ?}& {C144, C172 = 2.65V ?}& {C148, C177 = 1.8V?}

& {C147, C175, C173 = 1.2V?}

Check the freq. atOSC100 PIN 1,3: 26MHz?

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8-3-23. WCDMA BAND2 TXCONTINOUS TX ON CONDITION


WCDMA Band2 CH: 9880RBW: 100KHzVBW: 100KHzSPAN : 10MHz




YES

NO


F100


NO

YES



YES

NO




NO

YES

Check C138, C121About0dBm?

Resolder or changeC138, C121

YES

YES


END

YES

NO


C107,L100,ANT100

YES

NO


NO

YES


C101 = VDD_2V85_SUE2 ?



NO

YES

NO



& {C149, C174= 2.85V ?}& {C144, C172 = 2.65V ?}& {C148, C177 = 1.8V?}

& {C147, C175, C173 = 1.2V?}


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8-3-24. WCDMA BAND5 TXCONTINOUS TX ON CONDITION


WCDMA Band5 CH: 4408RBW: 100KHzVBW: 100KHzSPAN : 10MHz


Check C118,L107 :About22dBm?

Resolder or changeC118,L107

YES

NO


F100


NO

YES

Check L138,L111:About22dBm?

Resolder or changeL138,L111

YES

NO




NO

YES

Check C124,C139About0dBm?


YES

YES


END

YES

NO


C107,L100,ANT100

YES

NO


NO

YES


C101 = VDD_2V85_SUE2 ?



NO

YES

NO



& {C149, C174= 2.85V ?}& {C144, C172 = 2.65V ?}& {C148, C177 = 1.8V?}

& {C147, C175, C173 = 1.2V?}


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8-3-25. WCDMA BAND8 TX


APPLIEDWCDMA Band2 CH: 3013

RBW : 100KHzVBW: 100KHz

SPAN : 10MHzREF LEV. : 10dBm

ATT. : 20dB



YES

NO


F100


NO

YES

Check C143 :About22dBm?

Resolder or changeC143

YES

NO




NO

YES

Check C124,C139About 0dBm ?


YES

YES


END

YES

NO


C107,L100,ANT100

YES

NO


NO

YES


C101 = VDD_2V85_SUE2 ?



NO

YES

NO



& {C149, C174= 2.85V ?}& {C144, C172 = 2.65V ?}& {C148, C177= 1.8V?}

& {C147, C175, C173= 1.2V?}

Check the freq. at

OSC100 PIN 1,3: 26MHz?

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8-3-26. MHL

MHL Does not work

Yes

NoCheck the MHL Cable (for 11Pin USB

connector) andcheck the IF sub FPCB is well connected.Check if MHL_ID goes High

Yes

NoCheck the LDOs (U806, U805)

Check the R801 works

properly

Yes

Check the voltage ofL800(1.2V), L801(1.2V),C803(3.3V), C811(1.8V),

C756(2.8V)

Replace U800

Yes

NoChange the R801's state.

END

Yes

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8-3-27. OTG

OTG does not work

Yes

No Change U505Check CHG_IN_5V(C553)=5V

Yes

END

Yes

No Check U502Check V_BUS_5V(C562) =5V

Yes

Change the board

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