SGH-E715

SERVICE

Manual

GSM TELEPHONE

CONTENTS

1.

Specification

2.

Flow Chart of Troubleshooting

3.

Exploded Views and Parts List

4.

Electrical Parts List

5.

Block Diagrams

6.

PCB Diagrams

GSM TELEPHONE

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

6. SGH-E715 PCB Diagrams

6-1

1.Main TOP Diagram

A

N

T

1

C100

C

1

0

1

C

1

0

2

C

1

0

3

C104

C105

C106

C107

C

1

0

8

C

1

0

9

C

1

1

0

C111

C112

C113

C114

C115

C116

C117

C118

C

1

1

9

C

2

0

0

C

2

0

1

C

2

0

2

C

2

0

3

C

2

0

4

C

2

0

5

C

2

0

6

C

2

0

8

C

2

0

9

C

2

1

0

C

2

1

1

C

2

1

2

C

2

1

3

C214

C215

C

2

1

6

C

2

1

7

C

2

1

8

C

2

1

9

C

2

2

0

C221

C222

C

2

2

3

C224

C225

C226

C227

C

2

2

8

C

2

2

9

C

2

3

0

C

2

3

1

C

2

3

2

C

2

3

3

C

2

3

4

C

2

3

5

C

2

3

7

C

2

3

8

C

2

3

9

C

2

4

2

C

2

4

3

C244

C

2

4

5

C

2

4

6

C250

C251

C252

C253

C254

C255

C

2

5

6

C

2

5

7

C

2

5

8

C

2

5

9

C260

C

2

6

1

C

3

0

0

C

3

0

1

C

3

0

2

C303

C304

C305

C306

C

3

0

7

C

3

0

9

C

3

1

0

C311

C

3

1

2

C

3

1

3

C

3

1

4

C

3

1

5

C

3

1

6

C

3

1

7

C

3

1

8

C

3

1

9

C

3

2

0

C322

C

3

2

4

C

3

2

5

C326

C327

C

3

2

8

C

3

2

9

C330

C331

C332

C

3

3

3

C

3

3

4

C

3

3

5

C336

C

3

3

7 C338

C

3

3

9

C

4

0

0

C401

C

4

0

2

C

4

0

3

C

4

0

4

C

4

0

5

C

4

0

6

C

4

0

7

C408

C409

C410

C411

C

4

1

2

C413

C

4

1

4

C415

C

4

1

6

C417

C418

C419

C420

C

4

2

1

C422

C

4

2

3

C

4

2

4

C

4

2

5

C

4

2

6

C

4

2

7

C

4

2

8

C429

C430

C

4

3

1

C

N

1

0

0

C

N

1

0

0

6

C

N

1

0

1

C

N

2

0

0

CN201

C

N

4

0

0

F

4

0

0

F

4

0

1

F

4

0

2

F

4

0

3

G

1

G

2

G

3

G

4

L

2

0

0

L201

L400

L401

L

4

0

2

L

4

0

3

L404

L

4

0

5

L

4

0

6

L

4

0

7

L

4

0

8

L

4

0

9

L

4

1

0

L

E

D

1

0

0

M

1

M

A

IN

_

M

IC

OSC200

OSC300

O

S

C

4

0

0

Q100

Q101

Q

1

0

2

Q200

R

1

0

0

R

1

0

1

R

1

0

2

R103

R104

R105

R106

R107

R

1

0

8

R109

R110

R111

R112

R113

R114

R115

R

1

1

6

R

1

1

7

R118

R119

R

1

2

0

R121

R

1

4

4

R145

R

1

4

6

R

2

0

0

R

2

0

1

R

2

0

2

R

2

0

3

R

2

0

4

R

2

0

5

R

2

0

6

R

2

0

7

R

2

0

8

R

2

0

9

R

2

1

0

R

2

1

1

R

2

1

2

R213

R

2

1

4

R

2

1

5

R

2

1

6

R

2

1

7

R218

R219

R220

R

2

2

1

R

2

2

3

R

2

2

5

R226

R

2

2

7

R

2

2

8

R

2

3

0

R

2

3

1

R234

R

2

3

5

R

2

3

6

R

2

3

8

R

2

3

9

R

2

4

0

R

2

4

1

R301

R

3

0

5

R

3

0

6

R

3

0

7

R

3

0

8

R

3

0

9

R

3

1

0

R

3

1

1

R

3

1

2

R313

R314

R315

R317

R318

R319

R320

R

3

2

1

R

3

2

2

R

3

2

3

R324

R325

R

3

2

6

R

3

2

7

R

3

2

8

R

4

0

0

R

4

0

1

R

4

0

2

R

4

0

3

R

4

0

4

R

4

0

5

R406

R408

R

4

0

9

R

4

1

0

R411

R

4

1

2

R

4

1

3

SW1

SW2

SW3

U

1

0

0

U101

U103

U200

U

2

0

1

U202

U203

U300

U302

U303

U

3

0

4

U305

U307

U400

U

4

0

1

U402

ZD100

ZD101

ZD102

ZD103

ZD104

Z

D

1

0

5

Z

D

1

0

6

ZD118

Z

D

1

1

9

Z

D

1

2

0

ZD202

ZD203

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SGH-E715 PCB Diagrams

6-2

This Document can not be used without Samsung's authorization

2. Main Bottom Diagram

*

0

1

2

3

4

5

6

7

8

9

C

1

2

0

C121

C131

C207

C236

C240

C241

C247

C

2

4

8

C

2

4

9

C

3

0

8

C321

C323

C

L

E

A

R

C

P

_

T

C

K

C

P

_

T

D

I
C

P

_

T

D

O

C

P

_

T

M

S

D

O

W
N

D

S

P

_

T

C

K

D

S

P

_

T

D

I

D

S

P

_

T

D

O

D

S

P

_

T

M

S

F

2

0

0

G

N

D

_

1

I

LED101

LED102

L

E

D

1

0

3

L

E

D

1

0

4

L

E

D

1

0

5

LED106

LED107

LED108

LED109

L

E

D

1

1

0

LED111

LED112

LEFT

M

E

N

U

PWR

Q

3

0

0

Q

3

0

1

Q

3

0

2

R122

R

1

2

3

R124

R125

R126

R127

R128

R129

R130

R131

R

1

3

2

R

1

3

3

R

1

3

4

R135

R136

R

1

3

7

R

1

3

8

R

1

3

9

R140

R

1

4

1

R

1

4

2

R

1

4

3

R

2

2

2

R

2

2

4

R

2

2

9

R

2

3

2

R

2

3

3

R237

R300

R302

R303

R

3

0

4

R316

RIGHT

R

S

T

SEND

S

H

A

R

P

S

T

O

T

H

2

0

0

U102

U301

U

3

0

6

U

4

0

3

U

P

ZD107

ZD108

Z

D

1

0

9

ZD110

Z

D

1

1

1

ZD112

ZD113

ZD114

ZD115

ZD116

ZD117

ZD200

ZD201

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5. SGH-E715 Block Diagrams

5-1

Drivers

Charger

Power
Mgmt

SIM

Driver

PSC2106

Multi-Function

Power Supply

Trident

II

RTC

Core

Memory I/F

Serial

Control

Power

Keypad

DSP

Memory I/F

System

Clock

P_CTL

R
F

T

r

a
n

c
e

i

v
e

r

S

I

4

2
0
5

RF-BB

I/F

RF-IF

Synthesizer

LNA

IN

Power

AMP I/F

256Mbit

Flash Memory

64Mbit SRAM

System

I/F

LCD I/F

Camera

I/F

CLK

MV317SAQ

CSP1093

Mixed Signal

Processor

DSP

I/F

DAI

Audio

I/F

RF Block

Enable

RF

I/F

Power

I/F

OSC

13MHz

Crystal
32.768

KHz

A[1..23]

D[0..15]

Control

A[0..8]

D[0..15

Control

VRTC

1V8_Core

2V8_DIG

LCD with

Camera

Control

LCD_D[0..15]

Control

C_D[0..7]

LDO

MIC2212

VEP

CAM_VCC

CAMPWR_ON

Sound Gen.

YMU762

CLK13M_RF

CLK13M_MC

CLK13M_TR

CLK13M_YMU

SPK

Analog Switch

MAX4684

RF_EN

MIC

38F3350WWZD

MIC-SPK

Ear-Jack

KEY

PAD

KB_COL[0:4]

KB_ROW[0:4]

2V8_RF

RF_Power_EN

PWR_KEEP

CHG_DET

CHG_ON

I_CHG

CHG Block

LTC1734

I/FC

ON

18P

SIM
CON

SIM_RST

SIM_RST

SIM_CLK

SIM_Data

SIM_Data

SIM_CLK

V_SIM

TA_VEXT

DEBUG

SDS

JIG-ON

DLC_DET

SPK

AFC

TX_PWR

SW_EN

3

TXI_I/O

SER_CTL

TXQ_I/O

TX_EN

V_PAC

GSM

DCS
PCS

TX_BAND_SEL

2

GSM

DCS

PCS

V_BAT

V_BAT

V_BAT

V_BAT

VREF

Backlight

LED

Backlight

Contractor

Antenna

OSC

25MHz

CLK_25MHz

CLK_CTL

ASM

SAW

PAM

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4. SGH-E715 MAIN Electrical Parts List

4-1

This Document can not be used without Samsung's authorization

SEC Code

Design

LOC

GH92-01519A

-

2203-000812

C100

2203-000812

C101

2203-000812

C102

2203-001652

C103

2203-005061

C104

2203-005061

C105

2203-006201

C106

2404-001268

C107

2203-001652

C108

2203-006201

C109

2203-006201

C110

2203-005796

C111

2203-006201

C112

2404-001268

C113

2203-006201

C114

2203-000233

C115

2404-001268

C116

2404-001268

C117

2203-005065

C118

2203-005061

C119

2203-000995

C120

2203-006090

C121

2203-001652

C131

2203-005061

C200

2203-005061

C206

2203-005509

C207

2203-005496

C208

2203-000812

C210

2203-005061

C211

2203-000254

C212

2203-000233

C213

2203-000254

C214

2203-005061

C215

2203-006093

C216

2203-000854

C217

SEC Code

Design

LOC

2203-005494

C218

2203-000854

C219

2203-000654

C220

2404-001086

C221

2203-005061

C222

2203-001405

C223

2203-005061

C224

2203-006090

C225

2203-006090

C226

2203-000254

C227

2404-001086

C228

2203-005061

C229

2203-006093

C230

2203-000438

C231

2203-000438

C232

2203-000854

C233

2203-001259

C234

2203-000812

C235

2404-001151

C236

2404-001151

C237

2203-006257

C238

2203-005065

C239

2404-001151

C240

2203-000812

C241

2203-005503

C242

2203-000854

C243

2203-000812

C244

2203-001239

C245

2203-000438

C246

2203-000812

C247

2203-000438

C248

2203-000438

C249

2503-001045

C250

2503-001045

C251

2503-001045

C252

2503-001045

C253

SEC Code

Design

LOC

2503-001045

C254

2503-001045

C255

2203-006093

C256

2203-000812

C257

2203-000812

C258

2203-000812

C259

2203-000854

C260

2203-000854

C261

2203-005061

C300

2203-001405

C301

2203-000254

C302

2203-000254

C303

2203-005496

C304

2203-000679

C305

2203-000254

C306

2203-005061

C307

2203-000233

C308

2203-006093

C309

2203-005450

C310

2203-005496

C311

2203-000254

C312

2203-000254

C313

2203-005061

C314

2203-000233

C315

2203-000254

C316

2203-000254

C317

2203-000254

C318

2203-000254

C319

2203-005052

C320

2203-000995

C321

2203-000233

C322

2203-005482

C323

2203-000628

C324

2203-000628

C325

2203-000233

C326

2203-000233

C327

SAMSUNG Proprietary-Contents may change without notice

SGH-E715 Electrical Parts List

4-2

This Document can not be used without Samsung's authorization

SEC Code

Design

LOC

2203-000254

C328

2203-005061

C329

2203-000254

C330

2203-005061

C331

2203-005496

C332

2203-005480

C333

2203-000940

C334

2203-000254

C335

2203-005061

C336

2203-000679

C337

2203-000679

C338

2203-000233

C339

2703-001749

C400

2203-000466

C401

2203-000995

C402

2404-001134

C403

2203-000254

C404

2203-005050

C405

2203-005050

C406

2203-005552

C407

2203-002677

C408

2203-000654

C409

2203-002668

C410

2203-000812

C411

2203-000438

C412

2203-000466

C413

2203-005552

C414

2203-002677

C415

2203-000233

C416

2203-002677

C417

2203-006093

C418

2203-006137

C419

2203-000278

C420

2203-000438

C421

2203-000438

C422

2203-000233

C423

SEC Code

Design

LOC

2203-000233

C424

2203-000254

C425

2203-000254

C426

2203-000254

C427

2203-005061

C428

2203-002668

C429

3709-001187

CN100

3710-001866

CN1006

3710-001611

CN101

NEW-ETC001

CN200

NEW-ETC002

CN201

3705-001287

CN400

NEW-IC0005

F200

NEW-IC0004

F400

2904-001450

F401

NEW-IC0006

F401

2904-001419

F402

2904-001417

F403

2703-002313

L200

2703-002313

L201

2703-001748

L400

2703-001737

L401

2703-001284

L402

NEW-ETC003

L402

2007-000171

L403

2703-002547

L405

703-001907

L406

3301-001105

L407

2703-002369

L408

2203-000628

L409

2203-000995

L410

0604-001261

LED100

0601-001602

LED101

0601-001602

LED102

0601-001602

LED103

0601-001602

LED104

SEC Code

Design

LOC

0601-001602

LED105

0601-001602

LED106

0601-001602

LED107

0601-001602

LED108

0601-001602

LED109

0601-001602

LED110

0601-001602

LED111

0601-001602

LED112

4302-001130

M1

2804-001492

OSC200

NEW-ETC004

OSC200

2801-003747

OSC300

2809-001260

OSC400

0504-001113

Q100

0502-001201

Q101

0504-001113

Q102

0501-000225

Q200

0504-001141

Q300

0504-001141

Q301

0504-001141

Q302

2007-000157

R100

2007-000157

R101

2007-000157

R102

2007-000157

R103

2007-000140

R104

2007-000140

R105

2007-000140

R106

2007-000140

R107

2007-000140

R108

2007-000140

R109

2007-000167

R110

2007-000140

R111

2007-000140

R112

2007-000140

R113

2007-000758

R114

2007-001319

R115

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SGH-E715 Electrical Parts List

4-3

This Document can not be used without Samsung's authorization

SEC Code

Design

LOC

2007-001301

R116

2007-001291

R117

2007-007142

R118

2007-007142

R119

2007-007139

R120

2007-001323

R121

2007-000174

R122

2007-000174

R123

2007-000174

R124

2007-000174

R125

2007-000174

R126

2007-000174

R127

2007-000174

R128

2007-000174

R129

2007-001294

R130

2007-001301

R131

2007-001294

R132

2007-001294

R133

2007-001294

R134

2007-001301

R135

2007-001301

R136

2007-001301

R137

2007-001301

R138

2007-000174

R139

2007-001301

R140

2007-000174

R141

2007-001301

R142

2007-001301

R143

2007-000140

R144

2007-000140

R145

2007-000140

R146

2007-000148

R200

2007-000148

R201

2007-000171

R202

2007-000171

R203

2007-000171

R204

SEC Code

Design

LOC

2007-000171

R205

2007-000171

R206

2007-007139

R207

2007-000172

R208

2007-000162

R209

2007-000172

R210

2007-000171

R212

2007-007489

R213

2007-000775

R214

2007-000775

R215

2007-001325

R216

2007-000148

R217

2007-007139

R218

2007-001319

R219

2007-000162

R220

2007-000143

R221

2703-002313

R222

2007-000143

R223

2703-002313

R224

2007-000148

R225

2007-000171

R226

2007-007139

R227

2203-002525

R228

2203-001221

R229

2007-007590

R230

2007-000140

R231

2007-000140

R232

2007-000140

R233

2007-007014

R235

2007-000162

R236

2007-000171

R237

2007-000171

R238

2007-000171

R239

2007-002796

R300

2007-000157

R301

2007-007319

R302

SEC Code

Design

LOC

2007-000139

R303

2007-000162

R304

2007-007200

R309

2007-007200

R310

2007-000170

R311

2007-000162

R312

2007-000157

R313

2007-000162

R314

2007-007142

R315

2007-000162

R316

2007-007573

R317

2007-007573

R319

2007-000162

R320

2007-007139

R321

2007-000157

R323

2007-000171

R324

2007-000144

R326

2007-000171

R327

2007-000171

R328

2007-000172

R400

2007-001316

R401

2007-001316

R402

2007-002965

R403

2007-000139

R404

2007-001311

R405

2007-000162

R406

2007-000172

R408

2007-000242

R409

2007-002797

R410

2007-000148

R411

2007-000138

R412

2007-000148

R413

3404-001152

SW1

3404-001152

SW2

3404-001152

SW3

1203-002902

U100

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SGH-E715 Electrical Parts List

4-4

This Document can not be used without Samsung's authorization

SEC Code

Design

LOC

1203-002127

U101

1203-001720

U102

0506-001052

U103

NEW-IC0002

U200

1001-001183

U201

1204-002161

U202

1203-002861

U203

1204-001984

U300

0504-001042

U301

0504-001042

U302

NEW-IC0001

U303

1209-001219

U304

0504-001042

U305

1009-001010

U306

NEW-IC0003

U307

1201-001954

U400

0801-002345

U402

1405-001018

ZD100

1405-001082

ZD101

1405-001082

ZD102

1405-001082

ZD103

1405-001082

ZD104

1405-001018

ZD105

1405-001082

ZD106

1405-001082

ZD107

1405-001082

ZD108

1405-001082

ZD109

1405-001082

ZD110

1405-001082

ZD111

1405-001082

ZD112

1405-001082

ZD113

1405-001082

ZD114

1405-001082

ZD115

1405-001082

ZD116

1405-001082

ZD117

1405-001082

ZD118

SEC Code

Design

LOC

1405-001082

ZD119

1405-001082

ZD120

1405-001082

ZD121

1405-001082

ZD122

1405-001082

ZD123

1405-001082

ZD124

1405-001082

ZD125

1405-001082

ZD126

1405-001082

ZD127

1405-001082

ZD128

1405-001082

ZD200

1405-001082

ZD201

1405-001082

ZD202

1405-001082

ZD203

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3. SGH-E715 Exploded View and its Parts list

3-1

This Document can not be used without Samsung's authorization

1. Cellular phone Exploded View

1

2

3

4

5

6

7

8

9

11

12

13

14

18

19

21

22

23

10

16

15

20

17

SAMSUNG Proprietary-Contents may change without notice

SGH- E715 Exploded view and its Part list

3-2

This Document can not be used without Samsung's authorization

2. Cellular phone Parts list

No.

Description

SEC CODE

REMARK

1

FOLDER UPPER ASS'Y

GH75-03262F

2

LCD

GH07-00406A

3

SPEAKER

3001-001446

4

MOTOR

3101-001370

5

CAMERA

GH59-00959A

6

FOLDER LOWER

GH75-03263A

7

WINDOW LCD

GH75-02919A

8

SCREW

6001-001478

9

FOLDER LOWER SCREW CAP LEFT

GH73-02160A

FOLDER LOWER SCREW CAP RIGHT

GH73-02161A

10

IF COVER

GH72-08382A

11

CAMERA KEY

GH75-03586A

12

FRONT COVER

GH75-03261F

13

VOLUME KEY

GH75-03256A

14

KEYPAD

GH75-03776A

15

MAIN PBA

GH92-01519A

16

DOME SHEET

GH59-00895A

17

MIC

GH30-00032A

18

SCREW

6001-001478

19

INTENNA

GH42-00330A

20

REAR COVER

GH75-03264A

21

REAR SCREW COVER

GH73-02152A

22

RF COVER

GH73-02524A

23

BATTERY

GH43-01054A

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SGH-E715 Exploded view and its Part list

3-3

This Document can not be used without Samsung's authorization

3. Test Jig (GH80-00865A)

3-1. RF Test Cable

(GH39-00090A)

3-2. Test Cable

(GH39-00127A)

3-3. Serial Cable

3-4. Power Supply Cable

3-5. DATA CABLE

(GH39-00159A)

3-6. TA

(GH44-001844A)

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2. SGH-E715 Flow Chart of Troubleshooting

2-1

This Document can not be used without Samsung's authorization

1. Power ON

'Power ON' Does not work

Check the current consumption

Current consumption

≥100mA ?

Check the V bat. voltage

Down load again

Voltage ≥ 3.3V ?

Check the pin of U100

pin #11 ≥ 2.8V ?

Pin #9=1.8V?

Check the Initial operation

END

pin #39 and #33 = 2.8V

Charge the Battery

Check the clock generation

circuit (OSC400, U402 pin#4)

Check the clock signal

at pin #3 of OSC400

Freq.=13MHz,Vrms 300mV

Check U100 and C109

Check U100 and C110

NO

NO

NO

NO

NO

NO

YES

YES

YES

YES

YES

YES

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SGH-E715 Flow Chart of Troubleshooting and Circuit Diagrams

2-2

This Document can not be used without Samsung's authorization

2. System Initial

The pin #9 of U100 = 1.8V

and pin #11 of U100=2.8V?

Initial Failure

Is the pin #19 of U100

" Low --> High" ?

There is 32.768KHz wave

form at the C324, C325 ?

Is the pin #25 of U100

is High ?

The voltage is "High"

at the C106,C112,C113 ?

LCD Display OK ?

Sound operation OK ?

END

Check the U303

Check the U300

Check the U100

Check the LCD part

Check the Audio part

YES

NO

NO

NO

NO

YES

YES

YES

YES

YES

NO

NO

NO

YES

Check the U100

(If it has some problem,

it has to be replaced.)

Check the U100

(If it has some problem,

it has to be replaced.)

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SGH-E715 Flow Chart of Troubleshooting and Circuit Diagrams

2-3

This Document can not be used without Samsung's authorization

3. SIM Part

Is there any signal

pin #52,53,54 of U100 ?

Check the U303

"Insert SIM" is displayed on the LCD

END

Check the SIM Card

YES

NO

NO

YES

Is there any signal

pin #1,2,3,6 of CN100 ?

Check the U100

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SGH-E715 Flow Chart of Troubleshooting and Circuit Diagrams

2-4

This Document can not be used without Samsung's authorization

4. Charging Part

The pin #17,18 of CN101

(VEXT) is 5V ?

Replace TA or check CN101

Abnormal charging operation

END

Check the U102

YES

NO

NO

The pin#2 of U102 is Low?

YES

The pin#3 of U102 is Low?

YES

Check the U102

NO

The pin#5 of U101 is

3.2~4.2V?

Check the U101

NO

The ICHRG =1V(during charging)

& 180mV(full charging)?

YES

YES

Solder again or change

R119

NO

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SGH-E715 Flow Chart of Troubleshooting and Circuit Diagrams

2-5

This Document can not be used without Samsung's authorization

100N

F

C105

C103
470N

F

VRF

10U

F

10V

R120

47K,1%

Q102

DTC144EM

1

3

2

C116

100PF

C115

C107

10U

F

10V

3K

2.2U

F

C111

R121

12

VRTC

48

V

S

I M

VLDO_1

11

VLDO_2

VLDO_3

39

37

VLDO_4

33

VLDO_5

VLDO_6

42

VLDO_7 40

30

V

R

E

F

34

VDD5

41

VDD67

VEXT

1

4

V

IB

_

D

R

V

VL4S_A

36
35

VL4S_B

VL5S_A

32

31

VL5S_B

9

49

UP_CLK

53

52 UP_IO

54

UP_RST

3 VACC
2 VBA

T

VDD12

10

38

VDD34

5

55 RING_PW M

RTC_ALM N

13

17

SCLK

15

SDI

16

SDO

50

S

IM

_

C

L

K

S

IM

_

IO

51

S

IM

_

R

S

T

14

L

E

D

1

_

D

R

V

78

L

E

D

2

_

D

R

V

20 PSW1_BUF

PWR_KEEP

21

46

PWR_SW1N

PWR_SW 2

47

19

RESETN

R

IN

G

_

D

R

V

6

2

G

N

D

G

N

D

6

3

6

4

G

N

D

6

5

G

N

D

G

N

D

6

6

GNDD

60

6

G

N

D

D

1

G

N

D

Q

28

INTRQ

26
27

EN_5B

57

GN

D

6

7

G

N

D

G

N

D

6

8

GN

D

58
59

GN

D

G

N

D

6

1

56

43

BTEM P

C

R

E

F

29

CSN

18

EN_3

22
23

EN_4[0]
EN_4[1]

24
25

EN_5
EN_5A

U100

44 ADC_AUX1

ADC_AUX2

45

ADC_TRIG

1

3

2

Q100

C100
33PF

G

89

GG

10

VRTC

VBAT

1

1
2 2

3

3

4

4
5

5

6

6

7

G

1.2K

CN100

VCC

A

R115

VPAC

10K,1%

R118

C109
2.2UF

VCC B

2.2U

F

C112

2.2U

F

C106

DRIVE

6

GND

2

1

ISENSE

PRO G 4

3 VCC

5

VSENSE

U101

R11 0

390K

VRTC

10K,1%

R119

C102

33PF

2

N

E

G

1

P

O

S

M1

VCC

D

VCC_1.8A

R114

330K

C117
10UF
10V

VBAT

C104
100NF

1

4

U103

2

5

6

3

C108

C114
2.2U

F

VOSC

470NF

C113

10U

F

10V

C101

33PF

VBA T

C110
2.2U

F

2

5

6

4

Q101

3

1

VREF

BACKLIGHT1

BACKLIGHT2

RST

RTCALAR M

PWR_KEEP

EN_VPAC

XOEN

A

UP_SDI

UP_SCLK

UP_CS

TA_VEXT

CHG_O

N

SIMCLK

SIMRST

SIMDATA

KEY_ROW(0)

KEY_COL(2)

CHG_DET

PWR_O N

JIG_ON

EN_VRF

ICHRG

TA_VEXT

TA_VEXT

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SGH-E715 Flow Chart of Troubleshooting and Circuit Diagrams

2-6

This Document can not be used without Samsung's authorization

5. Microphone Part

Micro-phone does not work

Is the assembled status of

Microphone O.K?

YES

Reassemble the microphone

NO

Check the DC bias voltage on

Mic path.

The voltage of C237 is

2.2V±10%?

NO

Solder the microphone again

or Replace

C230,C237,R217,R218,R219

Is microphone OK?

NO

Check U300

END

YES

YES

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SGH-E715 Flow Chart of Troubleshooting and Circuit Diagrams

2-7

This Document can not be used without Samsung's authorization

6. Speaker Part

Is the terminal of speaker

is O.K?

NO

Replace the speaker

Are there any signal

at the pin #40,42 of CN200?

NO

Check the LCD module

& Replace CN200

There is no sound from speaker

YES

YES

The type of sound from

the speaker is Melody?

YES

NO

Are there any signal

at the pin #5,7 of U201?

Are there any signal

at the pin #3,9 of U201?

Check

U201,

U303

NO

NO

Pin #4 of U201

is Low?

Pin #4 of U201

is High?

Check U202

Check U300

NO

NO

YES

YES

YES

YES

END

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SGH-E715 Flow Chart of Troubleshooting and Circuit Diagrams

2-8

This Document can not be used without Samsung's authorization

J

A

C

K

_

IN

E

A

R

_

S

P

K

_

P

E

A

R

_

M

IC

_

P

E

A

R

_

S

P

K

_

N

E

A

R

_

M

IC

_

N

R

2

3

8

0

C

2

6

1

3

9

P

F

R

2

4

1

N

C

R

2

1

9

R

2

4

0

N

C

5

1

K

1

.2

K

R

2

3

5

R

2

2

3

4

.7

K

ZD

20

3

8

P

F

C

2

3

4

1

U

F

C

2

3

0

8

2

0

P

F

R

2

2

9

1

N

F

C

2

4

9

C

2

4

0

3

3

U

F

C

2

3

6

3

3

U

F

6

.3

V

6

.3

V

3

9

P

F

C

2

4

3

C

2

3

9

1

U

F

1

K

R

2

3

0

8

2

K

,1

%

R

2

3

1

V

C

C

A

R

2

3

9

0

R

2

3

7

0

4

7

0

n

F

C

2

3

8

3

9

P

F

3

3

U

F

C

2

3

7

C

2

6

0

4

.7

K

R

2

2

1

8

2

P

F

C

2

4

5

1

K

R

2

3

3

1

K

R

2

3

2

T

H

2

0

0

L

2

0

0

1

0

0

n

H

ZD

20

1

C

2

4

2

1

8

0

P

F

C

2

4

8

1

N

F

R

2

2

5

1

0

K

3

3

P

F

C

2

4

4

ZD

20

2

V

C

C

D

R

2

2

8

5

6

0

P

F

M

A

IN

_

M

IC

4

7

K

,1

%

R

2

1

8

3

1

R

2

1

7

1

0

K

Q

2

0

0

2

3

3

P

F

C

2

4

1

C

2

4

7

3

3

P

F

5

6

ZD

20

0

C

N

2

0

1

1

2

3

4

3

9

P

F

C

2

3

3

R

2

2

0

1

0

0

K

N

C

0

R

2

2

6

4

7

K

,1

%

R

2

3

4

R

2

2

7

1

N

F

C

2

4

6

1

0

0

n

H

L

2

0

1

1

1

2

2

3

3

4

4

F

2

0

0

C

2

3

2

1

N

F

R

2

2

2

V

C

C

A

1

0

0

n

H

R

2

2

4

1

0

0

n

H

V

C

C

A

3

3

P

F

C

2

3

5

A

U

X

IN

J

A

C

K

_

IN

E

A

R

_

S

W

IT

C

H

A

O

U

T

B

P

A

O

U

T

B

N

A

U

X

O

U

T

M

IC

O

U

T

M

IC

IN

SAMSUNG Proprietary-Contents may change without notice

SGH-E715 Flow Chart of Troubleshooting and Circuit Diagrams

2-9

This Document can not be used without Samsung's authorization

7. Camera Part

Camera function does not work

Check the connect CN200?

NO

Connect the CN200

Pin #9 of U203 = 2.8V?

NO

NO

Pin#3 of OSC200 is 25MHz?

NO

Pin #10 of U203 = 2.8V?

Check

U200

END

YES

YES

YES

YES

Pin#1 of OSC200 = High?

NO

Pin #2 of U203 = High?

YES

Check the U203

Check

U303

NO

NO

Pin#54 of CN200 is High?

Check solder status of

R207, C208

Replace the OSC200

YES

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SGH-E715 Flow Chart of Troubleshooting and Circuit Diagrams

2-10

This Document can not be used without Samsung's authorization

8. EGSM Receiver

Continuous RX ON

RF Input : 62 CH

AMP : -50dBm

NORMAL CONDITION

Catch the channel ?

YES

NO

F400 Check

Pin #6 ≥ -65dBm ?

F400 Check

Pin #11 ≥ -65dBm ?

U401 Check

Pin#20,21 ≥ -65dBm ?

Check soldered status of

C400,402

CN400

Resolder or Change

F400 Resolder or Change

U401 Check

Pin#9,32=Clean 2.8V?

U401 Check

Pin#28,1,2,3=100mV?

U100,C106,C112

Check or resolder

Check U300

NO

NO

YES

YES

YES

YES

NO

YES

U401 Check

Pin #8 : 13MHz ?

Vpp : 860mV?

OSC400 Check

Pin #8 : 13MHz ?

Vpp : 950mV?

OSC400 Check
Pin #4 = 2.8V ?

U401

Change or resolder

NO

NO

NO

R412,C426

resolder

OSC400

Change or resolder

YES

YES

YES

NO

Check soldered status of

C415,417,L406,F403

F403 Check

Pin #1 ≥ -65dBm ?

Check soldered status of

L410 &

F400 Resolder or Change

NO

YES

NO

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SGH-E715 Flow Chart of Troubleshooting and Circuit Diagrams

2-11

This Document can not be used without Samsung's authorization

9. EGSM Transmitter

Continuous TX ON condition

TX Power Code : 500 code Applied

CH : 62
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF. Level : 10dBm
ATT. : 20dB

C403

= 3.7V?

Change U400

NO

YES

F400 Pin#6

About 2~3 dBm?

F400

Pin#10 = High?

U300,301

Check & Change

NO

C402,CN400

Check & Change

YES

F400

Check & Change

YES

Check the

Battery Block

Level of

U400 Pin #6 is

1.2V?

Check

& Change R406

OK ?

U300

Check & Change

YES

YES

NO

NO

NO

NO

U400 pin#7

About -5 dBm?

U400 pin#3

High ?

Check U300

YES

NO

YES

U401 Check

Pin#9,32 ≥ 2.8V ?

U401 Check

Pin #8 : 13MHz ?

Vpp : 860mV?

OSC400 Check

Pin #8 : 13MHz ?

Vpp : 950mV?

OSC400 Check
Pin #4 = 2.8V ?

NO

YES

NO

NO

NO

R412,C426

resolder

OSC400

Change or resolder

YES

YES

YES

NO

U100,C106,C112

Check or resolder

U401 Pin

#4,5,6,7 = 1.7V?

YES

Change U400

Check U300

NO

YES

Level of

F400 Pin#7 is

4~5dBm ?

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SGH-E715 Flow Chart of Troubleshooting and Circuit Diagrams

2-12

This Document can not be used without Samsung's authorization

10. PCS Receiver

Continuous RX ON

RF Input : 660 CH

AMP : -50dBm

NORMAL CONDITION

Catch the channel ?

YES

NO

F400 Check

Pin #6 ≥ -65dBm ?

F400 Check

Pin #3 ≥ -65dBm ?

U401 Check

Pin#16,17 ≥ -65dBm ?

Check soldered status of

C400,402

CN400

Resolder or Change

F400 Resolder or Change

U401 Check

Pin#9,32=Clean 2.8V?

U401 Check

Pin#28,1,2,3=100mV?

U100,C106,C112

Check or resolder

Check U300

NO

NO

YES

YES

YES

YES

NO

YES

U401 Check

Pin #8 : 13MHz ?

Vpp : 860mV?

OSC400 Check

Pin #8 : 13MHz ?

Vpp : 950mV?

OSC400 Check
Pin #4 = 2.8V ?

U401

Change or resolder

NO

NO

NO

R412,C426

resolder

OSC400

Change or resolder

YES

YES

YES

NO

Check soldered status of

C405,406,L402,F401

F401 Check

Pin #1 ≥ -65dBm ?

Check soldered status of

L408,C429

NO

YES

NO

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SGH-E715 Flow Chart of Troubleshooting and Circuit Diagrams

2-13

This Document can not be used without Samsung's authorization

11. PCS Transmitter

Continuous TX ON condition

TX Power Code : 350 code Applied

CH : 660
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF. Level : 10dBm
ATT. : 20dB

C403

= 3.7V?

Change U400

NO

YES

F400 Pin#6

About 2~3 dBm?

F400

Pin#4 = High?

U300,302

Check & Change

NO

C402,CN400

Check & Change

Level of

F400 Pin#5 is

4~5dBm ?

YES

F400,L403,C413

Check & Change

YES

Check the

Battery Block

Level of

U400 Pin #6 is

1.2V?

Check

& Change R406

OK ?

U300

Check & Change

YES

YES

NO

NO

NO

NO

U400 pin#1

About -5 dBm?

U400 pin#3

High ?

Check U300

YES

NO

YES

U401 Check

Pin#9,32 ≥ 2.8V ?

U401 Check

Pin #8 : 13MHz ?

Vpp : 860mV?

OSC400 Check

Pin #8 : 13MHz ?

Vpp : 950mV?

OSC400 Check
Pin #4 = 2.8V ?

NO

YES

NO

NO

NO

R412,C426

resolder

OSC400

Change or resolder

YES

YES

YES

NO

U100,C106,C112

Check or resolder

U401 Pin

#4,5,6,7 = 1.7V?

YES

Change U400

Check U300

NO

YES

SAMSUNG Proprietary-Contents may change without notice

SGH-E715 Flow Chart of Troubleshooting and Circuit Diagrams

2-14

This Document can not be used without Samsung's authorization

L

4

0

9

2

2

P

F

1

.5

n

H

L

4

0

8

C

4

1

4

2

.2

P

F

V

R

F

L

4

0

0

5

.6

n

H

C

4

3

0

L

4

0

6

2

7

n

H

L

4

1

0

N

C

XE

N

2

6

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8

XO

UT

2

7

1

0

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DN

_S

EN

1

2

4

7

P

F

SD

I

1

4

SD

O

1

1

T

X

IN

5

T

X

IP

4

T

X

Q

N

7

6

T

X

Q

P

9

VD

D

3

2

VD

D

1

7

R

F

IP

P

1

6

RF

OD

2

2

RF

OG

2

3

R

X

IN

3

2

R

X

IP

1

R

X

Q

N

2

8

RX

QP

SC

LK

1

3

G

N

D

3

6

3

7

N

C

N

C

3

8

R

F

ID

N

1

9

R

F

ID

P

1

8

R

F

IG

N

2

1

2

0

R

F

IG

P

R

F

IP

N

2

4

DIA

G2

2

5

G

N

D

1

5

GN

D29

3

0

GN

D

3

1

GN

D

GN

D3

3

GN

D3

4

3

5

G

N

D

U

4

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1

DIA

G1

V

P

A

C

1

.8

P

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C

4

0

5

C

4

0

4

1

0

N

F

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2

2

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F

C

4

1

9

R

4

0

1

8

2

0

2

2

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4

0

4

3

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1

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2

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N

4

0

0

1

0

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4

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6

0

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1

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3

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C

VC

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U

4

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4

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A

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IN

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IN

_

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_

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D

C

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N

A

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_

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IN

_

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G

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M

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N

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C

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S

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R

D

A

T

S

I_

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R

X

IN

R

X

Q

P

R

X

Q

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C

L

K

1

3

M

_

R

F

T

X

IN

T

X

IP

T

X

Q

N

T

X

Q

P

G

S

M

_

L

N

A

_

IN

_

N

G

S

M

_

L

N

A

_

IN

_

P

G

S

M

_

P

A

M

_

IN

D

P

C

S

_

P

A

M

_

IN

S

E

R

C

L

K

T

X

P

O

W

E

R

T

X

_

B

A

N

D

_

S

E

L

G

S

M

_

P

A

M

_

IN

D

P

C

S

_

P

A

M

_

IN

T

X

_

E

N

R

X

IP

SAMSUNG Proprietary-Contents may change without notice

1. SGH-E715 Specification

This Document can not be used without Samsung's authorization

1-1

GSM900

Phase 1

EGSM900

Phase 2

DCS1800

Phase 1

PCS1900

Freq. Band[MHz]

Uplink/Downlink

890~915

935~960

880~915

925~960

1710~1785

1805~1880

1850~1910

1930~1990

ARFCN Range

1~124

0~124 &

975~1023

512~885

512~810

Tx/Rx Spacing

45MHz

45MHz

95MHz

80MHz

Mod. Bit Rate/

Bit Period

270.833KHz

3.692us

270.833KHz

3.692us

270.833KHz

3.692us

270.833KHz

3.692us

Time Slot Period

/Frame Period

576.9us

4.615ms

576.9us

4.615ms

576.9us

4.615ms

576.9us

4.615ms

Modulation

0.3GMSK

0.3GMSK

0.3GMSK

0.3GMSK

MS Power

33dBm~13dBm

33dBm~13dBm

33dBm~13dBm

33dBm~13dBm

Power Class

5pcl~15pcl

5pcl~19pcl

0pcl~15pcl

0pcl~15pcl

Sensitivity

-102dBm

-102dBm

-100dBm

-100dBm

TDMA Mux

8

8

8

8

Cell Ridius

35Km

35Km

2Km

-

1. GSM General Specification

SAMSUNG Proprietary-Contents may change without notice

SGH-E715 Specification

1-2

This Document can not be used without Samsung's authorization

2. GSM TX power class

TX Power

Control Level

GSM900

5

33±2dBm

6

29±2dBm

7

27±2dBm

8

25±2dBm

9

23±2dBm

10

21±2dBm

11

19±2dBm

12

17±2dBm

13

15±2dBm

14

13±2dBm

15

11±2dBm

16

9±3dBm

17

7±3dBm

18

5±3dBm

19

3±3dBm

TX Power

Control Level

DCS1800

0

30±3dBm

1

28±3dBm

2

26±3dBm

3

24±3dBm

4

22±3dBm

5

20±3dBm

6

18±3dBm

7

16±3dBm

8

14±3dBm

9

12±4dBm

10

10±4dBm

11

8±4dBm

12

6±4dBm

13

4±4dBm

14

2±5dBm

15

0±5dBm

TX Power

Control Level

PCS1900

0

33±2dBm

1

28±3dBm

2

26±3dBm

3

24±3dBm

4

22±3dBm

5

20±3dBm

6

18±3dBm

7

16±3dBm

8

14±3dBm

9

12±4dBm

10

10±4dBm

11

8±4dBm

12

6±4dBm

13

4±4dBm

14

2±5dBm

15

0±5dBm

ELECTRONICS

Samsung Electronics Co.,Ltd. OCT. 2003
Printed in Korea.

Code No.: GH68-04399A

BASIC.

ⓒ

This Service Manual is a property of Samsung Electronics Co.,Ltd.
Any unauthorized use of Manual can be punished under applicable
International and/or domestic law.