Samsung SM-G318HZ, Galaxy V Plus Schematics TSHOO

8. Level 3 Repair

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8-1. Block Diagram

8-1

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8-2. PCB Diagrams

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8-2-1. Top

Level 3 Repair

BOTHHOLE102

TAC502

C505

C611

C604

R515

R608

R609

Q600

R607

R401

R404

TH401

C608

R605

R604

U600

R600

L602

C601

C450

L400

C453

R407

TP_UART_RXD TP_UART_TXD

HDC600

C426

ZD512

ZD514

C526

L512

L515

C533

C606

L603

C605

R603

R602

R606

R328

R329

C603

C454

C449

C445

C448

TP_BOOT

C483

C478

ZD400

ZD503ZD504

ZD505ZD506

R518

L502 L503

EAR500

C610

L501

L600

ZD507

C509

C609

L500

C502

C607

LED400

CD500

C535

C517

C518

C519

C520

R521

R332

R333

R334

R335

R343

TP_MUS_INT

C311

R300

R301

R303

R304

R305

R306

R307

R309

R311

C300

R319

C351

R314

R317

C352

C309

C310

C602

C600

C331

C313

L601

C312

C482

R422

R429

R415

R416

R427

TP_CHG_EN

R408

R409

R410

C452

U400

C456

C455

C443

C447

C471

C475

R420 R421

ZD403

C470

R425

R424

U402

C477

C473

D400

BTC400

C328

C484

C326

D402

C474

C472

C476

C427

C485

L407

C417

C413

ZD401

C418

R431

U403

C420

ZD402

R428

R430

R524

R417

L507

C510

L508

C459

C522

R522

R523

ZD502

R432

R514

R423

C451

C512

C481

R533

C511

R426

R110

R111

R112

R113

ANT501

ANT502

ZD515

ZD511

C536C537

C507

C508

L511

L514

C525

C532

R516

R517

L505

ZD510

L506

SOC600

R405

R406

L504

R513

TP_CAM_PWDN

U601

C614 C615 C616

R324

R510

C534

R525

R526

R527

R528

R529

R530

R531

R503

U500

C524

C503

C504

R325

U501

C479

R508R509

C513

C514

C515

C516

R520

C480

R511

R512

ZD508

ZD509

SIM500SIM501

C336

C340

C307

C308

C325

C301

C323

C332

C303

C348

R310

C330

C344

UCP300UME300

C329

C327

R339

R330

C462C463

C432

C436

C437

L406

C438

U401

C428

C409

OSC400

C402

C400

BOTH100

IFC400

C620

R326R327

R336

R337

R338

R610

R313

R315

R501

R504

R340

R341

R342

C333

R331

C304

C305

C321

C322

C318

C467

C317

C324

C439

C319

C316

C461

L401

L404

C464

L403

C465

C419

C486

C440

C410

TP401

TP402

C423

C424

TP_CHIP_SLEEP

TP400

C425

C414

C422

C415

C404

C406

C405

R400

C412

C416

C433

C408

C302

C350

R302

R308

C306

L405

L402

C466

C441

C442

R414

R519

C434

R413

C521

C523

C444

R418

R419

C446

C468 C 469

R411

R412

C457C458

C528

C530

C429

C421

C430

C435

C431

C401

C460

C407

BOTHHOLE100 BOTHHOLE101

ANT200

C202

L202

L204

L203

R202R203

HDC601

VT_CLKN VT_CLKP VT_DN600VT_DP600

VT_PWDNVT_RSTN

C506

C203

F201

C204C205

L201

U200

R200

L200

C200

C612 C613

U206

ANT201

U204

L210 L213

SPK500

ANT400 ANT401

D401

L409

L408

C201

U201

F200

OSC200

L209

C234

TP_SLEEP_CLK_200

C224

TP_GPS_RXD

C225

U203

TP_GPS_TXD

C231

TP_GPS_CTS

C226

C223

C228

C227

TP_GPS_PWON

TP_GPS_RTS

C235

U205

F202

C236 C237

L211

C220

C238

C233

R201

L208

C209

L212

C232

C210

C212

C315

C335

C207

L205

C216

C222

U202

R204

R205

C214

C213

C211

TP_WL_HOST_WAKE

C206

TP_WLAN_RST_N

TP200

TP201

C314

C320

R322R323

R318 R316

C343

C349

C345

C346

C347

R312

C337

C338

C341

C339

C342

R601

R321

R402

R320

TP302

C334

L513

C529

C527

L510

R532

TP_ACC_INT

TH100

U602

C618

C619

C617

TP202 TP203

OSC100

R103

R104

C153

C152

C162

C149

C148

C164

C158

TP303

TH400

R403

ANT100ANT101

C157

C154

C156

L129

L128

L126

L125

F103

C166

L133

C161

C163

L130

L131

C165

C147

F104

C168

C167

L132

L134 L135

C169

C102

C146

PAM100

C101

C110

C100

L100

C103

L110

L114

L115

C140

PAM101

C139

C125C126

C143

PAM102

C142

C111

C133

C141

L103

C144

F100

C134

C112

L104

C159 C160

L127

C113

R101

C114

U100

C109

CON100

C106C107 C108

C105

L101

L102

C104

R100

ZD513

C531

L509

MIC500

TAC500TAC501

ZD500

C500

R500

C230

R502

R505

C229

ZD501

C501

R506

R507

C218

C219

L207

C208

L206

C217

C221

TP_BT_VREG_EN

R105

R106

C150

C151

TP100 TP101

TP102

C155

R108

U103

R107

R109

L109

L112

L119

L123

C137

C127

L111

L116

L118

L120

L122

L124

C128

U102

F101

L107

L121

L113

C138

F102

C122

C120

L117

C131

C123

C132

R102

C145

L105

C119

C118

C117

C116

C135

C136

C124

L108

C130

C129

C121

L106

C115

U101

8-2

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Level 3 Repair

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EASY

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IRMWARE

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8-2-2. Bottom

TP_I_N

TP_Q_N TP_Q_P

TP_I_P

CN500

8-3

MASTER_JTAG_PAD

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8-3. Flow Chart of Troubleshooting

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Equipments

Oscilloscope Digital Multimeter

Level 3 Repair

Power Supply ‘+’ driver, ESD Safe Tweezer

8960 & Spectrum Analyzer Soldering iron

8-4

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Level 3 Repair

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8-4-1. Power On

Cell-phone can`t power on.

Check the Battery Voltage.

Is it more than 3.5V?

Yes

Check the booting sound and

motor vibration in power-on

Yes

Check the TAC502

(soldering crack, open, etc)

Normal

Check the UCP300 output voltage.

R515 or C505

1.1V

≒

Yes

Check the OSC400

Is that frequency 32kHz?

Yes

No

Abnormal

No

Charging the battery with TA.

If its voltage level is extremely low(under 3.0V),

Change the battery.

Change the FRONT-TFT Assy

Change the TAC502

And retry to the power-on operation.

If the output voltage is not satisfied with normal condition, Change the U401.

voltage level has ±10% margin.

※

Change the OSC400. If OSC400 does not still work, Change the UCP300

Test condition (Oscilloscope setting)

※

: 20.0us.div (time division)

.

Check the initial operation

Yes

Check the UCP300

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8-5

Level 3 Repair

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IRMWARE

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IRMWARE

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8-6

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Level 3 Repair

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EASY

F

IRMWARE

EASY

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IRMWARE

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8-7

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Level 3 Repair

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EASY

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IRMWARE

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IRMWARE

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8-8

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Level 3 Repair

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8-4-2. Initial

Initial Failure

Yes

Re-download SW the cell-phone.

Abnormal

Check the oscillator clock waveforms.

32.768KHz : OSC400(C404,C406)

Normal

Abnormal

Check the OSC400 and C404, C406. (Crack, open etc.) Check the output clock waveforms and frequency.

Test condition (Oscilloscope setting)

※

: 20.0us.div (time division)

Check the status of UCP300

(Crack, open etc.)

Change PBA

Normal

Abnormal

Change UCP300

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8-9

Level 3 Repair

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8-10

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Level 3 Repair

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8-4-3. LCD

After power-on handset, is it still not working LCD?

Yes

Check the voltage

V_LCD_3.0V(C607,C608)=3.0V?

V_LCD_1.8V(C609)=1.8V?

Yes

END

Yes

Abnormal

Reconnect the HDC600Check the connection of HDC600

Resolder or Change

No

C607,C608,C609

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8-11

Level 3 Repair

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8-12

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Level 3 Repair

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8-4-4. TSP

Touch Screen does not work

Yes

Check the connection of TSP

Is it normal?

Check the V_TSP_3.0V

C610= 3V?

Replace TSP Module Is it normal working?

END

Yes

No

Reconnect the HDC600

No

and Check the UCP300

(crack, open, etc.)

No

Replace the PBA

Resolder C610

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8-13

Level 3 Repair

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IRMWARE

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IRMWARE

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8-14

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Level 3 Repair

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EASY

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IRMWARE

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IRMWARE

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8-15

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8-4-5. Audio Part

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

Speaker Module

Speaker is not working.

Level 3 Repair

Check the volume level.

Is it mute?

No

Check the contact of SPK500

Yes

Check the status of L512, L515.

(open, short, crack, etc.)

Yes

Change the speaker module and

check again. Is it operated?

Yes

END

Yes

No

Using the volume key,

increase volume level.

Reassemble SPK Module

Resolder L512, L515

Change the speaker module

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8-16

Level 3 Repair

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IRMWARE

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IRMWARE

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8-17

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



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EASY

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IRMWARE

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IRMWARE

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Receiver Working

Check receiver function

in voice call receiver mode.

Level 3 Repair

Yes

Check the status of ANT501,

ANT502(open, short, crack, etc.)

Yes

Check the status of L511, L514.

(open, short, crack, etc.)

Yes

Change the RCV module.

Is it rightly operated?

Yes

END

No

Resolder or replace ANT501, ANT502

Resolder L511, L514

Change the RCV module.

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

8-18

Level 3 Repair

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EASY

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IRMWARE

EASY

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IRMWARE

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8-19

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



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EASY

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IRMWARE

EASY

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IRMWARE

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MIC Working (Main MIC)

MIC is not working.

Level 3 Repair

Check the status of MIC500.

(open, short, crack, etc.)

Yes

Check the MICBIAS voltage at

C530.

Is it about 1.65V?

Yes

Check the status of L510, L513,

C528, C530

(open, short, crack, etc.)

Yes

END

No

Resolder or replace MIC500

Check the U401, C531

Resolder L510, L513, C528, C530

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8-20

Level 3 Repair

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EASY

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IRMWARE

EASY

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IRMWARE

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8-21

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

Samsung SM-G318HZ, Galaxy V Plus Schematics TSHOO

Specifications and Main Features

Frequently Asked Questions

User Manual