ELECTRONICS

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.

Samsung Electronics Co.,Ltd. Printed in Korea 05/2003 Rev 1.0 GH68-03692A

ELECTRONICS

DUAL BAND Mobile Cellular Phone SGH-S500

SERVICE DUAL BAND MOBILE CELLULAR PHONE

Manual

CONTENTS 1. Exploded Views and Parts List 2. PCB Diagrams 3. Electrical Parts List 4. Block Diagrams 5. Flow Chart of Troubleshooting and Circuit Diagrams

1. Exploded Views and Parts List 1-1 1-2 1-3 1-4 1-5 1-6 1-7 1-8 1-9 1-10

Main Main Parts List Travel Adapter Travel Adapter Parts List Ciger Light Adapter Ciger Light Adapter Parts List Test Jig EAR Microphone Data Kit Battery Charger

2. PCB Diagrams 2-1 2-2

Main Top Main Bottom

3. Electrical Parts List 3-1 3-2

Main Parts List Top Main Parts List Bottom

4. Block Diagrams 5. Flow Chart of Troubleshooting and Circuit Diagrams 5-1 5-2 5-3 5-4 5-5 5-6 5-7 5-8 5-9 5-10 5-11 5-12 5-13 5-14 5-15

1-1

Power ON Initial Charging Part Sim Part Microphone Part Speaker Part Key Data Input Receiver Part Back Light (Main LCD) Back Light (Sub LCD) Key Back Light GSM Receiver GSM Transmitter DCS Receiver DCS Transmitter

Exploded Views and Parts List

1. SGH-S500 Exploded Views and Parts List 1-1 Main

1

2 3

11

4

6 5

12

7

9 10 13

8

14 16

18

15 17

19

20 21

Exploded Views and Parts List

22

1-2

1-2 Main Parts List

Location No.

1-3

Description

SEC CODE

1

SUB WINDOW LCD

GH72-05977A

2

FOLDER UPPER

GH75-02248A

3

LCD

GH07-00316A

4

MOTOR

3101-001294

5

SPEAKER

3001-001390

6

MAIN LCD

GH07-00190A

7

FOLDER LOWER

GH75-02249A

8

MAIN WINDOW LCD

GH75-02999A

9

SCREW

6001-001479

10

SCREW CAP

GH74-03662A

11

FRONT COVER

GH75-02250A

12

KEYPAD

GH75-02247A

13

MAIN PBA

GH92-01368A

14

DOME SHEET

GH59-00727A

15

CONNECTOR COVER

GH73-01394A

16

MIC

GH30-00014A

17

SIDE KEY

GH75-02264A

18

ANTENNA

GH42-00292A

19

REAR COVER

GH75-02251A

20

RF COVER

GH73-01553A

21

SCREW

6001-001479

22

BATTERY

GH43-00836A

Remark

Exploded Views and Parts List

1-3 Travel Adapter

A

B

C

D

1-4 Travel Adapter Parts List

TYPE

SEC CODE

REMARK

A

GH44-00171A

CHINA

B

GH44-00184A

EUROPE

C

GH44-00171C

UNITED KINGDOM

D

Gh44-00171E

TAIWAN

Exploded Views and Parts List

1-4

1-5 Ciger Light Adapter

1-6 Ciger Light Adapter Parts List

1-5

DESCRIPTION

SEC CODE

REMARK

Ciger Light Adapter Code

GH44-00170A

BLACK

Exploded Views and Parts List

1-7 Test Jig

TEST JIG

GH80-01909A

TEST JIG CABLE

GH39-000217A

RF CABLE

GH39-00172A

Exploded Views and Parts List

1-6

1-7-1 Test Jig

DC POWER SUPPLY

8922 or 8960 WIRELESS COMMUNICATIONS TEST SET

RF CABLE

232 CABLE

TEST JIG CABLE

Note PC

1-7

Exploded Views and Parts List

1-8 Wearable EAR Microphone

Wearable EAR Microphone

GH59-00394B

1-9 Data Kit

DATA KIT

GH39-00143B

1-10 Battery Charger

BATTERY CHARGER

Exploded Views and Parts List

GH44-00279A

1-8

2. PCB Diagrams 2-1 Main Top

PCB Diagrams

2-1

2-2 Main Bottom

PCB Diagrams

2-2

3. Electrical Parts List

NO SEC CODE

3-1

DESIGN LOC

NO SEC CODE

DESIGN LOC

1

0404-001077

D100

40

2007-000142

R100

2

0405-001122

D101

41

2007-000142

R101

3

0501-002051

Q100

42

2007-000142

R102

4

0504-001060

U109

43

2007-000142

R103

5

0504-001060

U110

44

2007-000142

R113

6

0505-001423

U397

45

2007-000146

U709

7

0505-001423

U724

46

2007-000148

R130

8

0506-000107

Q500

47

2007-000148

R135

9

0506-000107

Q700

48

2007-000148

R136

10

0604-001146

U601

49

2007-000148

R201

11

0801-002237

U300

50

2007-000148

R400

12

0801-002540

U394

51

2007-000148

R203

13

0801-002540

U700

52

2007-000148

R506

14

1001-001183

U602

53

2007-000148

R604

15

1001-001231

U720

54

2007-000148

R625

16

1001-001231

U721

55

2007-000151

R116

17

1109-001243

U722

56

2007-000151

R109

18

1201-001785

U102

57

2007-000155

R124

19

1203-002824

U111

58

2007-000162

R202

20

1204-001960

U303

59

2007-000162

R205

21

1205-002257

U400

60

2007-000162

R500

22

1205-002264

U101

61

2007-000162

R501

23

1205-002276

U200

62

2007-000162

R585

24

1209-001429

U106

63

2007-000162

R597

25

1404-001221

TH500

64

2007-000162

R628

26

1405-001082

D102

65

2007-000162

R618

27

1405-001082

D103

66

2007-000162

R629

28

1405-001082

D104

67

2007-000162

R630

29

1405-001082

D105

68

2007-000162

R631

30

1405-001082

V604

69

2007-000171

R115

31

1405-001082

V605

70

2007-000171

R127

32

1405-001082

V608

71

2007-000171

R503

33

2007-000138

R105

72

2007-000171

R596

34

2007-000140

R126

73

2007-000171

R626

35

2007-000140

R128

74

2007-000171

R627

36

2007-000140

R401

75

2007-000171

U702

37

2007-000141

R207

76

2007-000173

R104

38

2007-000141

R208

77

2007-000173

R108

39

2007-000141

U708

78

2007-000242

R601

Electrical Parts List

NO SEC CODE

DESIGN LOC

NO SEC CODE

DESIGN LOC

79

2007-000242

R617

118

2203-000254

C706

80

2007-000932

R114

119

2203-000254

C707

81

2007-000982

R112

120

2203-000278

C102

82

2007-001305

R118

121

2203-000278

C122

83

2007-001305

R122

122

2203-000278

C123

84

2007-001306

R106

123

2203-000278

C133

85

2007-001306

R107

124

2203-000278

C154

86

2007-001306

R110

125

2203-000278

C155

87

2007-001306

R111

126

2203-000278

C407

88

2007-001313

R132

127

2203-000278

C609

89

2007-001313

U707

128

2203-000278

C613

90

2007-001319

U703

129

2203-000278

C115

91

2007-001323

R131

130

2203-000330

C412

92

2007-001325

U706

131

2203-000330

C416

93

2007-002797

R121

132

2203-000330

C601

94

2007-003030

R123

133

2203-000330

C612

95

2007-007001

R206

134

2203-000330

C708

96

2007-007009

R125

135

2203-000374

C140

97

2007-007100

R402

136

2203-000386

C709

98

2007-007334

R505

137

2203-000425

C104

99

2007-007573

R504

138

2203-000425

C106

100

2007-007588

R117

139

2203-000438

U710

101

2007-007588

R133

140

2203-000585

C118

102

2007-007699

R119

141

2203-000585

C119

103

2007-007699

R120

142

2203-000585

C120

104

2203-000233

C124

143

2203-000585

C121

105

2203-000233

C125

144

2203-000628

C139

106

2203-000233

C127

145

2203-000679

C101

107

2203-000233

C129

146

2203-000812

C105

108

2203-000233

C131

147

2203-000812

C111

109

2203-000233

C132

148

2203-000812

C113

110

2203-000233

C136

149

2203-000812

C114

111

2203-000233

C138

150

2203-000836

C147

112

2203-000233

C149

151

2203-000854

C110

113

2203-000254

C144

152

2203-000854

C137

114

2203-000254

C204

153

2203-000854

C146

115

2203-000254

C410

154

2203-000885

C150

116

2203-000254

C478

155

2203-000885

U717

117

2203-000254

C704

156

2203-000995

C607

Electrical Parts List

3-2

NO SEC CODE

3-3

DESIGN LOC

NO SEC CODE

DESIGN LOC

157

2203-001153

C148

196

2203-005482

C419

158

2203-001405

C109

197

2203-005482

C135

159

2203-001598

C417

198

2203-005482

C413

160

2203-001598

C420

199

2203-005482

U718

161

2203-001607

C128

200

2203-005496

U716

162

2203-001652

C414

201

2203-005664

C402

163

2203-001652

C425

202

2203-005664

C418

164

2203-002687

U715

203

2203-006053

C415

165

2203-005056

C141

204

2203-006053

C426

166

2203-005057

C134

205

2203-006053

C428

167

2203-005061

C200

206

2203-006053

C429

168

2203-005061

C201

207

2203-006053

C430

169

2203-005061

C202

208

2203-006053

C431

170

2203-005061

C203

209

2203-006053

U714

171

2203-005061

C205

210

2203-006053

C152

172

2203-005061

C206

211

2203-006090

C423

173

2203-005061

C207

212

2203-006208

C409

174

2203-005061

C208

213

2203-006274

C151

175

2203-005061

C209

214

2301-001512

C130

176

2203-005061

C210

215

2404-001105

C422

177

2203-005061

C211

216

2404-001105

C408

178

2203-005061

C212

217

2404-001105

C427

179

2203-005061

C213

218

2404-001105

C504

180

2203-005061

C214

219

2404-001276

C117

181

2203-005061

C215

220

2503-001045

C700

182

2203-005061

C400

221

2503-001045

C701

183

2203-005061

C401

222

2503-001045

C702

184

2203-005061

C403

223

2503-001045

C703

185

2203-005061

C480

224

2703-001709

L108

186

2203-005061

C501

225

2703-002370

L103

187

2203-005061

C603

226

2703-002485

R603

188

2203-005061

C610

227

2703-002485

R606

189

2203-005061

U712

228

2703-002519

L102

190

2203-005061

U713

229

2703-002586

L104

191

2203-005065

C112

230

2703-002596

L107

192

2203-005065

C143

231

2703-002597

L401

193

2203-005065

C424

232

2703-002597

L404

194

2203-005065

C614

233

2703-002606

L105

195

2203-005446

C142

234

2801-004025

X400

Electrical Parts List

NO SEC CODE

DESIGN LOC

NO SEC CODE

DESIGN LOC

235

2806-001305

U103

19

1405-001082

V601

236

2806-001310

U108

20

2007-000148

R619

237

2809-001271

U107

21

2007-000162

R600

238

2904-001417

F100

22

2007-000164

R507

239

2904-001424

F101

23

2007-000171

R622

240

2909-001197

U100

24

2007-001298

R608

241

3301-001105

L400

25

2007-001298

R611

242

3301-001630

L106

26

2007-001301

R609

243

3404-001152

SW700

27

2007-001301

R610

244

3404-001152

SW701

28

2007-001301

R615

245

3705-001242

CN101

29

2007-001301

R616

246

3709-001250

CN400

30

2007-003030

R614

247

3710-001816

CN500

31

2007-003030

R607

248

3711-005078

CN700

32

2007-003030

R612

249

3722-001715

EAR600

33

2007-003030

R613

250

4302-001119

C411

34

2007-007334

R623

251

4709-001296

U105

35

2007-007480

R624

252

4709-001297

U104

36

2007-007528

R510

37

2007-007981

R621

38

2007-008117

R509

39

2007-008312

R620

40

2203-000330

C611

41

2203-000330

C600

42

2203-000425

C608

43

2203-000438

C621

44

2203-000438

C620

45

2203-000628

C606

46

2203-000995

C617

47

2203-000995

C615

48

2203-000995

C618

49

2203-001383

C100

50

2203-005061

C605

51

2203-005281

L100

52

2203-005482

C619

53

2203-005482

C622

54

2203-006053

C503

55

2703-001284

L101

56

2703-002597

L403

57

2901-001246

U500

NO SEC CODE

DESIGN LOC

1

0406-001104

ZD600

2

0601-001647

LED600

3

0601-001647

LED602

4

0601-001647

LED601

5

0601-001647

LED603

6

0601-001647

LED604

7

0601-001647

LED605

8

0601-001647

LED606

9

0601-001647

LED607

10

0601-001647

LED608

11

0601-001647

LED609

12

1009-001010

U600

13

1202-001036

U604

14

1203-002764

U501

15

1405-001082

V602

16

1405-001082

V607

17

1405-001082

V606

18

1405-001082

V600

Electrical Parts List

3-4

4-1

LCD

KEY_BOARD

FLASH (128M bit)

SRAM (32M bit)

Charging Circuit

Li-Ion Battery (Slim,Standard)

RTC_CLOCK (32.768KHz)

PMU

SIM CARD

RAMP

AFC

SYSTEM CLOCK (13MHz)

AVDD_TEMP

AVDD

VDD_AMP

VDD_KEY

MIC_BIAS

VDD_VIB

VDD3

VDD2

VDD1

VCC_TX_BURST

VCC_RF_VCO

VCC_RX_TX

VCC_SYN

VCC_CP

A/D Interface

RF INTERFACE

OM6357

Battery Temperature

Battery Voltage

Battery Type

I/O Interface

Serial Data Interface

BB INTERFACE

MELODY IC (40 Poly)

VIBRATOR

SPEAKER

RECEIVER

MIC

4. Block Diagrams

4-1 Main Baseband

Block Diagrams

4-2 Main RF

Block Diagrams

4-2

5. Flow Chart of Troubleshooting and Circuit Diagrams 5-1 Power ON

'POWER ON'does not work

Yes Check the Battery Voltage is more than 3.4V?

No Charge the Battery

Yes No C414 (V_ISUP)= 2.7V

Check the PMU related to V_ISUP

Yes No Check the Clock at R402=32 KHZ

Resolder X400

Yes No C431 (VDD1)="H"

Replace the PBA

Yes No C430(VDD2), C429(VDD3)=2.8V

Replace the PBA.

Yes No Check for the clock at C136=13 MHZ

Check the clock generation circuit (related to U107 and Q100)

Yes Check the initial operation

END

5-1

Flow Chart of Troubleshooting and Circuit Diagrams

VCC_SYN

PON_SYNT VCC_RF_VCO

VCC_RX_TX

VBAT

C417 2.2UF

VDD_VIB

VIB

VDD3

VDD2

V_MODE

VDD1

TP403

Baseband power supply

RF power supply

PON_TX VCC_TX_BURST

BACKLIGHT

C422 10UF C423 10UF

C415 1UF

C421 NC

C414 470NF

C428 1UF

C429 1UF

VBAT

C413 100NF

C430 1UF

E6 E9 F6 H9

C431 1UF

C3 H4 E8 C5 A8 J1

SWITCH

LINREG

CONTROL

SUPPLY &

internal supply

htmp

F1 F2 E7 V_ISUP

BACKLIGHT

INTERNAL SUPPLY MODULE

TEMP HIGH SENSOR

G6

RF1SW S RF1VDD S RF2SW S RF2VDD S

RFVBAT RF1VDD RF1SNS RF2VDD RF2SNS

G8 F9 F8 G9 H8

BLVBAT BLVDD BBMSW BBMGND

ISUPA ISUPD

B6 A6 A7 B7

H5 G5

VBAT VSAVE

DVDD1 DVDD1 DVDD1VBA T SEL12RB

J3 J4

DVDD2 G2 G1

DVDD2VBA T DVDD2

R401 100K

internal clocks

DVDD3 E5 H2 H1

SEL3RB DVDD3VBA T DVDD3

C411 RB414IV2O N VBAT

VPRO G

REAL-TIME CLOCK

PLL

CLOCK GENERATO R

DVDD4 F7 B4 A4

DVDD4ON DVDD4VBA T DVDD4

V_ISUP

VSS1 VSS2 VSS3 VSS4 VSS5 VSS6

VBAT

AVDD H7 J7 G7

AVDD1VBA T AVDD AVDDS

VDD_2V8

B3 A3

B5 A5

PUMP+ LINREG )

(CHARGE

HIGH VOLTAGE SUPPLY

CHARGE CONTROL

BATTERY VOLTAGE MONITOR

32KHz XTA L OSCILLATO R

HFA HFAVBA T HFAVDD

VDD_2V8

VIB VIBVBAT VIBVDD

Flow Chart of Troubleshooting and Circuit Diagrams

5-2

C8 A9 C9 B9 D8 D9

HVSVBAT HVSGND HVSSCP HVSSCN HVSOC HVSVDD

VBAT

NC2 C4 NC1 D4

E1 E2 E3

J8 J9

CHRVBAT CHRREG CHRIV

OSCI OSCO

C420 2.2UF

C425 470NF

R402 10M

C427 10UF 6.3V

C424 1UF

C419 1UF

1

2

X400 FC-255

C426 1UF

C418 4.7uF

VBAT

C416 12PF

C412 12PF

32K

L400 BLM11A102SPT

AVDD

AVDD_TEM P

VDD_AMP

VDD_KEY

VCC_CP

RF power supply

5-2 Initial

Initial Failure

The node between R201 and C202 = "H" (RSTON)

No

Check the circuit related to reset

Yes

C394 pin 4, 6 (memory CE) is OK?

No Replace PBA

Yes

Check the circuit around LCD & U303

END

5-3

Flow Chart of Troubleshooting and Circuit Diagrams

pin F5

C210 100NF

VDD1

pin H11

C209 100NF

VDD1

pin P9 pin M8

C215 100NF

VDD1

pin N12 pin N13

C206 100NF

VDD1

M_RST irDA_DOWN A CHG_ON SUB_BACKLIGHT LCD_SEL B FLIP TP211 CTS0 END_OF_CHARGE

LCD_MAIN_CS SUB_MEL_CS NCSRAM NCSFLASH

HWR_N HRD_N

D_REF_13M 32K RSTO N

C211 100NF

VDD2

pin P8

C214 100NF

R202

C212 100NF

VDD3

C213 100NF

VDD3

pin L3

100K

HD(0) HD(1) HD(2) HD(3) HD(4) HD(5) HD(6) HD(7) HD(8) HD(9) HD(10) HD(11) HD(12) HD(13) HD(14) HD(15) HA(1) HA(2) HA(3) HA(4) HA(5) HA(6) HA(7) HA(8) HA(9) HA(10) HA(11) HA(12) HA(13) HA(14) HA(15) HA(16) HA(17) HA(18) HA(19) HA(20) HA(21) HA(22) HA(23)

pin G2

C208 100NF

VDD3

KBIO(7) KBIO(6) KBIO(5) KBIO(4) KBIO(3) KBIO(2) KBIO(1) KBIO(0)

pin M6

C207 100NF

VDD3

pin P4

HA(1:23)

HD(0:15)

KBIO(0:7)

C204 10NF

VDD2

pin C1

TP203

10K

TP204 TP205

R205 100K

VDD3

R201

U200

L14 L12 L13 L11 J11 K13 J10 K11

M12 K9 L8 M9 P7 L7 L9 N7 P6 N8 K8

G3 M5 G5 N4

H5

H4 H3 H2 J3 E5 H1 B1 E4 F3 F2 F1 E1 D1 E3 E2 B2 M4 P3 L4 N3 K5 M3 P2 N2 M1 N1 L2 L1 M2 J2 J5 K3 J4 K4 K2 G4 P5 N6 L6 L5

KBIO7 KBIO6 KBIO5 KBIO4 KBIO3 KBIO2 KBIO1 KBIO0

GPIO0 GPIO1 GPIO2 GPIO3 GPIO4 GPIO5 GPIO6 GPIO7 GPIO8 GPIO9 GPIO10

CS_N3 CS_N2 CS_N1 CS_N0

HD0 HD1 HD2 HD3 HD4 HD5 HD6 HD7 HD8 HD9 HD10 HD11 HD12 HD13 HD14 HD15 HA1 HA2 HA3 HA4 HA5 HA6 HA7 HA8 HA9 HA10 HA11 HA12 HA13 HA14 HA15 HA16 HA17 HA18 HA19 HA20 HA21 HA22 HA23 HWR_N HRD_N

C10 RESETN M10 H10 RSTO_N RST_N K14 AUXON

P11 CKI P13 CKI32I P14 CKI32O

KBS

GPIO

EMI

OOL

CGU

F5 VDDC_A VDDC_B N13 VDDC_C M8 K6 VDDC_D

VDD1

SC

PCF50874

B5 CTS0_N A5 RXT0_N C5 TXD0 C4 RXD0 CTS0 RTS0 TXD0 RXD0

UART1

OM6357

VDD1

VDD2 VDD3

IIC

SIOY

SIOX

DSP

RFCU

PDCU

JTAG

PWM

SIMU

TDI TMS

UART0

P9 N12 C8 H11 VDDE1_A VDDE1_B VDDE1_C VDDE1_D D4 RXD1 A4 TXD RXD1 TXD1

P4 VDDE3_A M6 VDDE3_B G2 VDDE3_F L3 VDDE3_G B_TDI B_TMS B_TCK B_TDO B_TRST

SIM_BOOT

B_WR GROUN D

P10

P8 VDDE2_C C1 VDDE2_E

D2 A2 A3 D3 A1 B4 TCK TDO TRST

AVDD

P12 AVDD

K7 J1 M7 N10 N14 N11

TDI TMS TCK TDO TRST_N J_SEL TP509 TDI TMS TCK TDO TRST_N J_SEL

CSI BSI ASI AVSS VSS_A VSS_B VSS_C VSS_E VSS_F VSS_G VSS_H VSS_I VSS_K VSS_M VSS_N VSS_O VSS_P TDI TMS TCK TDO TRST_N HWR_N

G13 E8 C3 G1 K1 P1 N5

VDD1

AVDD

D

A

D

D

PCF50732

A

D

A

A

D A

D A

D A

D A

D A

F12 VDD_BB VDD_D C9 D14 VDD_REF VDD_VB B12 C12 VDD_VBOUT E13 VSS_BB D11 VSS_D C13 VSS_REF A12 VSS_VB C11 VSS_VBOUT

Flow Chart of Troubleshooting and Circuit Diagrams

5-4

SIMIO M13 SIMCLK M14 SIMERRM11 PWM1 E6 PWM0 F4

SCK C2 SDA B3

A8 ADI B9 AFS B8 ACLK A9 ADO G11 BOEN E11 BDIO F10 BIEN F11 BIOCLK

MCLK D10

MICP A13 MICN B13 AUXMICP B14 AUXMICN A14

EARP B10 EARN A11 AUXSP A10 BUZ B11

QP H13 QN H14 IP J13 IN J14 AUXADC1 F14 AUXADC2 G14 AUXADC3 E14 AUXADC4 F13

AUXDAC1E12 AUXDAC2D13 AUXDAC3D12

RFE_N 0 J12 RFE_N 2 K12 VREFC14

D5 RFSIG0 A6 RFSIG1 D6 RFSIG2 B6 RFSIG3 A7 RFSIG4 C7 RFSIG5 B7 RFSIG6 C6 RFSIG7 E7 RFSIG8 K10 RFSIG9 D7 RFSIG10 H12 RXON G12 TXON E10 CCLK E9 CDO D8 CDI D9 CEN

GPON2 N9 GPON1 L10 AUXSTG10

C205

100NF

TP206 TP207 TP208 TP209

AVDD

R208 2.2K

2.2K

VDD2

3.9K

R203 10K

pin C12 pin B12

AVDD

C203 100NF

VDD1 DD FSC DCL DU BOEN BDIO BIEN BIOCLK

AVDD_TEM P

C202 100NF

pin F12

R207

R206

pin D14

AVDD

C201 100NF

TP202

TP201

TP200

C200 100NF

pin C9 pin C8

VDD1

SIMIO SIMCLK IT_PMU

SCL SDA

D_REF_13M

MIC_P MIC_N AUX_MIC_P AUX_MIC_N

EARP_P EARP_N AUXSP EARP_HF

TEMP_PRODUC T VF

QRX_TX_P QRX_TX_N IRX_TX_P IRX_TX_N MES_BATT

AFC RAMP

RF_EN_SYN T

RF_BBI_DATA

RF_BBI_CLK

DCS EGSM_MODE_SW DCS_MODE_SW EGSM PON_SYN T PON_TX PON_RX

V_MODE REF_O N

5-3 Charging Part

Abnormal charging part

Yes

No Check the U501 pin 13,14 > 4.9 V ?

Resolder C503 and U501

Yes

No U501 pin 11 = "H"?

Resolder or replace U501

Yes

No Check the circuit related to CHG_ON Signal

Q500 pin 5 (CHG_ON)="L"?

Yes

No Check the U501 pin 7="H"?

Resolder R506

Yes

No Check the U501 pin 1,15,16

4.2V ?

Resolder or replace U501

Yes

END

5-5

Flow Chart of Troubleshooting and Circuit Diagrams

Charge of Battery VBAT R504 330K MES_BATT

R505 220K Q500 UMH2N

V_EXT_CHARGE 1

U501 SC801

13 3 7 4 C503 1UF 10V

8 R509 2.7K,1%

R510 1.5K,1%

6 5

VCC

CP

VCC

STAT CVP

IPRGM

VPRGM

EN ITERM

BSEN

BIP

VOUT

GND

VOUT

NC

GND GND GND GND

14

1

NC

6

CHARGER_OK

2

11 10

E END_OF_CHARG R507 150K

9

5 R506 10K

3

CHG_ON

4

2 1 16 15 2

C504 10UF 6.3V

17 18 19 20

Flow Chart of Troubleshooting and Circuit Diagrams

5-6

5-4 Sim Part

Phone can't access SIM card

Yes No Replace PBA

CN400 pin 1,5 = "H" ?

Yes After Power ON, Check SIMCLK Signal on CN400 pin 3 in a few second

No Replace PBA

Yes

After SIM card insert, CN400 pin 2 = "H(SIMRST) ?

No Replace PBA

Yes

Check the SIM Connector

END

5-7

Flow Chart of Troubleshooting and Circuit Diagrams

SIM

VBAT

C400 100NF

B2 A2 B1A1

SIMVBAT SIMGND SIMSCP SIMSCN

CN400 C-292123

SIM CHARGE PUMP

C402 4.7uF

D105

C403 100NF

1 2 3

4 5 6 G G G G 10 9 8 7

VCC CLK RST IO

SIM_VCC SIM_CLK SIM_RST SIM_IO

C2 D2 C1 D1

SIM INTERFACE

CPRES D3 SIMIO C7 SIMCLK C6

Flow Chart of Troubleshooting and Circuit Diagrams

TP401 TP402

SIMIO SIMCLK

D104

D103

D102

5-8

5-5 Microphone Part

Microphone does not work

Yes

Check the connection from MIC

No Resolder MIC FPCB

Yes

Check the circuit From U200 to MIC

No

Resolder the C603, C610, R601, R603, R606, and R617

Yes

No Check the MIC

Replace the MIC

Yes

END

5-9

Flow Chart of Troubleshooting and Circuit Diagrams

MICN

R617

C610

C603

MICP

U200

-

R606

MIC

+

R603

R601

MIC_BIAS

Flow Chart of Troubleshooting and Circuit Diagrams

5-10

5-6 Speaker Part (Melody)

Speaker does not work

Yes

No U300 pin 5 = 2.85V?

Resolder or replace U300

Yes

No Check the clock signal at Pin1 of U303 (13 MHZ) is OK?

Check the clock generation circuit (related to U107 and U300)

Yes

No U303 pin 17, 18

1.8 V ?

Resolder U303

Yes

No CN700 pin 20, 21

Check the circuit related to "SPK_P/SPK_N" signal

1.8 V ?

Yes

No Is Speaker working?

Change the Speaker

Yes

END

5-11

Flow Chart of Troubleshooting and Circuit Diagrams

MEL_13M

VDD2 VDD2

VDD3

HRD_N

U300 5

VCC

NC IN

4

OUT

GND

1

HA(23)

2

R627 0

R626 0

MELODY_C S

3

HWR_N

TC7SH04FU-TE85L

HD(0) HD(1)

U707 330

8 9

U710 1NF

U713 100NF

U712 100NF

D1

/WR

SDIN

SCLK

SYNC

D0

D5

U303 IFSEL

D6

PLLC

D7

VDD

EXT2

VSS

VREF

SPOUT 2

SPVSS

7 U706 3.3K

YMU762-MA3

/RST

SPVDD

6

D4

EQ3

5

/IRQ

EQ2

M_RST

D3

EQ1

4

D2

EXT1

HPOUTR

3

CLKI

HPOUT-L/MONO

1 2

SDOUT

32 31 30 29 28 27 26

SPOUT 1

25

HD(2)

24

HD(3)

23

HD(4)

22

HD(5)

21

HD(6)

20

HD(7)

19 VIB

18

AMP_N

17

U717 4.7NF AMP_P

10 11 12 13 14 15 16

U716 220NF

U702 0 VDD_AMP

U703 1.2K

U709 6.8K U715 1.2NF

U708 2.2K

U714 1UF 10V

U718 100NF EARP_H F

MELODY IC

Flow Chart of Troubleshooting and Circuit Diagrams

5-12

5-7 Key Data Input

Check Initial operation

Yes When one of the keys is pushed, is it displayed on LCD

No Check the Dome sheet & Key Pad

Yes

When one of the keys is pushed, KBID signal is OK?

No Replace the PBA

Yes

END

5-13

Flow Chart of Troubleshooting and Circuit Diagrams

5-8 Receiver Part

Receiver does not work

Yes

No U720 pin 5,6 = 1.5V?

Resolder or replace U720

Yes

No U602 pin 9,10=1.5V?

Resolder or replace U602

Yes

No EAR600 pin 2,3 = short

Resolder EAR600

Yes

No Resolder EAR600

EAR600 pin 2,3,6 = 1.5 V ?

Yes

No CN700 pin 20,21=1.5V?

Resolder CN700

Yes

No Check the Soldering of the speaker wire

Modify the speaker wire soldering

Yes

No Is Receiver working?

Replace the Receiver

Yes

END

Flow Chart of Troubleshooting and Circuit Diagrams

5-14

5-9 Back Light (for Color Main LCD)

Backlight does not work

No LCD Contrast high level in the menu?

Select LCD Contrast high level

Yes

No CN700 pin 23=2.8V?

Resolder U397

Yes

No CN700 pin 15

3.7V?

Replace the PBA

Yes

Replace the LCD module

END

5-15

Flow Chart of Troubleshooting and Circuit Diagrams

5-10 Back Light (for Sub LCD)

Backlight does not work

Backlight "ON" mode in the menu?

No Select backlight "ON" mode

Yes

No CN700 pin13=H?

Check the GPI04 by test S/W

Yes No LCD backlight on ?

Replace EL sheet

Yes

END

Flow Chart of Troubleshooting and Circuit Diagrams

5-16

5-11 Key Back Light

Key Backlight does not work

Yes

No U724 pin 5 = "H"?

Check the PMU related to "VDD_KEY"

Yes

No U724 pin 2,3="H"?

Resolder U724

Yes

END

5-17

Flow Chart of Troubleshooting and Circuit Diagrams

5-12 GSM Receiver

RX ON RF Input : CH center freq.+67.7kHz Amp. -50dBm

Yes U100 Pin8>=-65dBm

No

Resolder CN101, C101

Yes U100 Pin10>=-65dBm

No

Yes F100 Pin1>=-70dBm

Check U100 Pin11=L Pin2=L

No

Yes No

Check ANT Switch control circuit

Resolder U100

Resolder F100, C105, L103

Yes U101 Pin33>=-70dBm Pin34>=-70dBm

No

Resolder L102, C104, C106

Yes U101 Pin5, 6, 7, 8 >=1V

No

Yes

U101 Pin26 (RF freq *2)+100kHz >=-30dBm

No

Check & Resolder U103, R105, R109 RF13MHz, RF PSU PART

Yes Check U101 Pin2,12,4,23>=2.7v

No

Yes Resolder U101

R100,R101,R102, R103 >=1V

Yes Check U200

Flow Chart of Troubleshooting and Circuit Diagrams

5-18

5-13 GSM Trasmitter

TX ON(5Level) Yes U100 Pin8>=20dBm

Yes

Resolder CN101, C101

No U100 Pin5>=20dBm

Yes

No U102 Pin4>=20dBm

Check U100 Pin11=H(2.68v) Pin2=L

Yes

No Yes

Change or Resolder U100

Check Ant Switch Control Circuit

Resolder U104, C126

No U102 Pin1>=-11dBm

Yes

No

No Yes

U108 Pin5 >=-8dBm

Check U102 +VBATT, Pin2,3,6 OK?

Yes Resolder or Change U102

Check +VBATT or PAM Control Signalt

Resolder R104,R106,R107

No U101 Pin5,6,7,8 >=500mV

Yes

Check U101 Pin26>=20dBm & Pin11 >=2v

Check & Resolder RFLO signal, RF13MHz,RF PSU Part

No No Check U101 Pin2,12,4,23>=2.7v OK?

Yes Resolder U101

Yes Check U200

5-19

Flow Chart of Troubleshooting and Circuit Diagrams

5-14 DCS Receiver

RX ON RF Input : CH center freq.+67.7kHz Amp. -50dBm

Yes U100 Pin8>=-65dBm

No

Resolder CN101, C101

Yes U100 Pin1>=-65dBm

No

Check U100 Pin11=L Pin2=L

Yes F101 Pin1>=-70dBm

No

Yes No

Check ANT Switch control circuit

Resolder U100

Resolder F101, C113, L105

Yes U101 Pin35>=-70dBm Pin36>=-70dBm

No

Resolder L104, C111, C114

Yes U101 Pin5, 6, 7, 8 >=1V

No

Yes

U101 Pin26 (RF freq.)+100kHz >=-30dBm

No

Check & Resolder U103, R105, R109 RF13MHz, RF PSU PART

Yes Check U101 Pin2,12,4,23>=2.7v

No

Yes Resolder U101

R100,R101,R102,R103 >=1V

Yes Check U200

Flow Chart of Troubleshooting and Circuit Diagrams

5-20

5-15 DCS Transmitter

TX ON(0Level)

U100 Pin8>=13dBm

Yes

Resolder CN101, C101

No U100 Pin3>=13dBm

Yes

No U102 Pin5>=13dBm

Check U100 Pin11=L Pin2=H(2.68v)

Yes

No Yes

Change or Resolder U100

Check Ant Switch Control Circuit

Resolder U105, C122

No U102 Pin8>=-15dBm

Yes

No

No Yes

U108 Pin5 >=-12dBm

Check U102 +VBATT, Pin2,3,6 OK?

Yes Resolder or Change U102

Check +VBATT or PAM Control Signal

Resolder R108,R110,R111

No U101 Pin5,6,7,8 >=500mV

Yes

Check U101 Pin26>=27dBm & Pin11 >=1.8

Check & Resolder LO signal, RF13MHz,RF PSU Part

No No Check U101 Pin2,12,4,23>=2.7v OK?

Yes Resolder U101

Yes Check U200

5-21

Flow Chart of Troubleshooting and Circuit Diagrams

VC_DCS

VC_EGSM

PON_TX

RAMP

11

2

8

EGSM_TX 5 DCS_TX 3 EGSM_RX 10 DCS_RX 1

C141 6.8PF

8.2PF

C134

180

R120

1

C133

C147

3

R128 1K

D100 BAS70-05W

R130

DCS_MODE_SW

10K

C142 2.7PF

10PF

6 3

R129 NC

10K

E2

3 C2

10PF

C155

C1 B2

2 B1

U109 BCR08PN

C146

1 E1

OUT 3

C.OUT 1

GSM 1

DCS 8

4

5

6

1

39PF

C145 NC

OUT G OUT 5

G 2

VC_DCS

VCC_RX_TX

4

3

4

3

VCD VS1 VS2

3 4 5

_VINT

1 VCG 2 9 8

PU

VSS

EGSM_MODE_SW

11 12 13 14 15 16

10K

R135

6

VDAC 7

10

BS

150

R111

VDD

C129 100PF

EGSM

U106 PCF5079HK

R115 0

L106 HF201209

5

G OUT

OUT

F101 856079

G 2

F100 B7820

VBAT

IN

IN

C117 100UF/6.3V

VAPC 2

18 17 1615 14 13 12 11 10 9

POUTDCS

R136

R126 1K

180

R119

2 GND

L105

19nH Coilcraft

POUTGSM

U105

5

4

Coilcraft

C113 33PF

DCS104L-1747S

4 IN

C122 10PF

3

390PF

2

OUT

C.OUT

R131 3K

2 GND

4 IN

DCS104L-0897S

U104

L107 15nH

C708 12PF

U102 PF08122B-10-TB

1

G G G G G G G

ANT

4 6 7 9 12 13 14

VC2

VC1

U100 LMG002S-5047A

1

L101 5.6nH (1005)

R106 150

E2

3 C2

10PF

C154

C1 B2

1 E1 2 B1

U110 BCR08PN

100NF

C135

VCC_RX_TX

150

R110

R108 22

4

5

6

R107 150

R104 22

120

U108

R122 120

VC_EGSM

VCC_RX_TX

3

G

OUT2

OUT1

6

G 9

7

1

G

G G G G

C128

11

12

SW2

SW1

10

G NC

2 4

REF_ON

VCC_RX_TX

VOL1861

3.3NF

C130

R112 5.6K

C139 22PF

6

3

2

1

4

5

NCP500SN25T1

NC

VOUT

U111

ON/OFF

GND

VIN

C138 100PF

560

R134 NC

C143 1UF (0603)

R121

R105 100

VCO_RF

U103

OUTPUT

4 NC

2 5 7 8

220PF

R109 15K

FC

3 VCC

VCC_RF_VCO

L104 5.6nH Coilcraft

C106 18PF

VCO_TX_POWER

1

5

MQW291A897MR6 8

R118

100PF

C127

10PF

C115

C114 33PF

C111 33PF

L102 15nH Coilcraft

C104 18PF

C152 1UF

VCC_REF

EGSM

DCS

VCC_TX_BURST

C140 15NF FILM (0805)

R123 91

C108 NC C109 22NF

VCCCP (pin_22)

R117

GSMIB

GSMIA

3

1.8K,1% 39

TXRFI

38

TSTO

EXTRES

1 TXCPO

RFCPO

RFLOIB

RFLOIA

2

12 4

13

NC

10PF

PHASE Frequency

1:1/2

QUAD

DETECTOR AND CP

PHASE Frequency

DETECTOR AND CP

DCSPCSIB

20

27

26

36

35

34

33

DCSPCSIA

VCCCP (pin_2)

C103

C102

IFGND2

VCC_SYN VCC_RX_TX

pin_12_IFVCC2

U101 OM5178HN HN/C3 (MLF package)

C12310PF

C107 NC

VCC_CP

IFVC1

L103 10nH

VDD1

G10 G9 G8 G7 G6 G5 G4 G3 G2 G1

IFVCC2

C105 33PF

VDD2

C100 0.5PF (1005)

VCTL 7

TXCPVCC

C101 27PF

VSS

24

SYNGND

L100 1.5PF (1005)

VSS

DIV

DIV

22

23

1:6/7

37

L108 12nH

100PF

C149

43

42

1:1/2

40

31

41

POWER ENABLE

3 WIRE BUS CTL REG

1:1/2

28

44

7

QA

21 9 10

11

IFTUNE

D101

68PF 1.8K,1% R133

30 NC2 29 NC1

18

IFCPO

RFFIN 19

TXON

SYNON RXON

DATA CLK EN

8 14 15 16

6

IB

QB

5

IA

C110 39PF

4.7NF

C150

pin_23_SYNVCC

C148

VCC_RX_TX

VCC_SYN

PHASE Frequency

VCO_IF

25

17

VCC_IF (pin_17)

DETECTOR AND CP

32

VCC_IF (pin_4)

RFGND1

IN 1

VSS VSS

(0603 NPO)

IFCPVCC RFGND3

6 5 4 3

VSS

CPPS (0805)

RFCPVCC TXCPGND

CN101 MBO-145

VSS

GND

2 OUT

VC

RFVCC

RFLOVCC GND

11 10 9 8 7 6 5 4 3 2 1

VB1

GND

11 10 9 8 7 6 5 4 3 2 1

VB2

RFLOGND

SYNVCC

GND 2% Coilcraft

10NF CPPS (0805)

C151

330

R132

VCC_SYN

R113 2.7K

C131 100PF

100PF

C125

1UF C112

CN100 S500-ANTENNA-BRACKET

HVC376B

Flow Chart of Troubleshooting and Circuit Diagrams

5-22

C124 100PF

R124 27K

C132 100PF

1

75

R125

2

3

OUT

2

GND

VCC CTRL

1

39PF

C136 C137 100PF

470

R114

U107 TCO-9141 4

3

220PF

220PF

C120

220PF

R127 0

C119

C118

VCC_REF

BFS505

Q100

R116 15K

PON_SYNT PON_RX PON_TX

RF_BBI_DATA RF_BBI_CLK RF_EN_SYNT

2.7K

2.7K

2.7K

2.7K

AFC

D_REF_13M

MEL_13M

R103

R102

C144 10NF

VCC_REF

220PF

C121

R100

R101

QRX_TX_N

QRX_TX_P

IRX_TX_N

IRX_TX_P