SERVICE
DUAL BAND Mobile
Cellular Phone
SGH-T508
Manual
DUAL BAND MOBILE CELLULAR PHONE 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
ELECTRONICS
Samsung Electronics Co.,Ltd.
Printed in Korea
02/2003 Rev 1.0
GH68-03491A
ELECTRONICS
1. Exploded Views and Parts List
1-1 Main
1-2 Main Parts List
1-3 T ravel Adapter
1-4 Travel Adapter Parts List
1-5 Ciger Light Adapter
1-6 Ciger Light Adapter Parts List
1-7 Test Jig
1-8 EAR Microphone
1-9 Data Kit
1-10 Battery Charger
2. PCB Diagrams
2-1 Main Top
2-2 Main Bottom
3. Electrical Parts List
3-1 Main Parts List Top
3-2 Main Parts List Bottom
4. Block Diagrams
4-1 Main Baseband
4-2 Main RF
4-2-1 RF Transmit Part
4-2-2 RF Receive Part
5. Flow Chart of Troubleshooting and Circuit Diagrams
5-1 Power ON
5-2 Initial
5-3 Charging Part
5-4 Sim Part
5-5 Microphone Part
5-6 Receiver Part
5-7 Key Data Input
5-8 Ring Indicator
5-9 Backlight
5-10 Melody Part
5-11 GSM Receiver
5-12 GSM Transmitter
5-13 DCS Receiver
5-14 DCS Transmitter
Exploded Views and Parts List 1-1
1. SGH-T508 Exploded Views and Parts List
1-1 Main
14
1
8
16
12
19
2
3
4
6
7
5
9
10
18
11
13
15
17
20
1-2 Main Parts List
1-2 Exploded Views and Parts List
FOLDER UPPER
LCD
SPEAKER
MOTOR
FOLDER LOWER
WINDOW LCD
SCREW
FRONT COVER
KEYPAD
MAIN PBA
VOLKEY FPCB
DOME SHEET
MIC
CONNECTOR COVER
RF COVER
ANTENNA
REAR COVER
VOLUME KEY
SCREW
BATTERY
Description
SEC CODE
Remark
Location NO.
GH75-02664A
GH07-00278A
3001-001345
GH31-00048A
GH75-02193A
GH72-05017A
6001-001478
GH75-02194A
GH75-02196A
GH92-01446A
GH59-00572A
GH59-00571A
GH59-00610A
GH73-01338A
GH73-01337A
GH42-00242A
GH75-02192A
GH75-02195A
6001-001478
GH43-00769A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Exploded Views and Parts List 1-3
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 TA IWAN
1-3 Travel Adapter
AB
C
D
1-4
1-5 Ciger Light Adapter
Exploded Views and Parts List
1-6 Ciger Light Adapter Parts List
DESCRIPTION SEC CODE REMARK
Ciger Light Adapter Code GH44-00170A BLACK
1-5Exploded Views and Parts List
1-7 Test Jig
TEST JIG GH80-10508A
TEST JIG CABLE GH39-00079A
RF CABLE GH39-00090A
1-6 Exploded Views and Parts List
1-7-1 Test Jig
DC
POWER
SUPPLY
232 CABLE
TEST JIG CABLE
RF CABLE
8922 or 8960
WIRELESS COMMUNICATIONS
TEST SET
Note PC
Exploded Views and Parts List 1-7
1-8 Wearable EAR Microphone
Wearable EAR MICROPHONE GH59-00322A
1-9 Data Kit
DATA KIT GH39-00078A
1-10 Battery Charger
BATTERY CHAGER GH44-00234A
PCB Diagrams2-2
2-2 Main Bottom
JT1
JT2JT3 JT4JT5 JT6 JT7 JT8 JT9
JT10 JT11 JT12 JT13 JT14 JT15
V300
C302
V301
C317
R106
R105
C316
C100
R311
CN301
ZD300
C160
CN300
C101
D100
C104
C105
R100
BAT100
MIC1
H103
U102
C113
C111
C112
R304
R302
TP405
R307
R310
R430R431
C430C431
C411
C412C413
U302
C410
V406V407
H102
U103
Q100
C119
R103
Q201
R110
U104
C150
R112
C151
C118
C114
C300C301
U300
C408
R408
U400
C109
R104
R217
R218
R436
R434
R437
C435
C438
R411
C409
R417
R432
R409
R415
R418
U402
R412
CN100
C414
C437
C440
R414
R416
R433
R421
U401
R424
OSC400
R425
C426
C423
C446
R422
C439
C443
C444
C445
C417
R427
R429
C416
R423
C415
C436
R441
C429
R435
C420
R101
U101
R111
C107C108
TP403
TP404
R426
TP400 TP401TP402
C217
R208R209
R400
R401
R402
R403
R438R439
R440
C428
C106
U203
V220
L601
TH200
C201
R205
C442
C434
U200
C405
C404
C403
C402
C406 C407
R406
R404
R407
R410
U404
U403
C400
C441
U202
C401
C125
C127
D111
R521
R522
R523
R530
R511
C512
R516
R519
H101
R603R604
C607
C432
C433
C126
R413
R507
R510
C511
C124
U107
C519
R505
R517 R518
U503
R513
R515
R520
C517
Q500
U504
U600
L602
C616
R504
R509
U501
R502
R503
C505
C506
C507
C508
L501
C509 C510
U502
C515
L503
C514
C504
C501
C513
C605
C614
L603
C604
C612
C617
U500
C502
C503
L500
U205
C500
U505
C116
R514
C121
C518
L502
C516
H100
C600
C630
U605
F201
R690
V210
L200
F203
R236
R237
C691
V402
R319
R692
V405
C315
C427
V401
L504
C117
U105
C115
A500
C690
L606
L607
CN600
C212
F200
CN205
V290
F202
V403
EAR400
LEVEL SEC CODE REFERENCE
LEVEL SEC CODE REFERENCE
3-1 Electrical Parts List
3. Electrical Parts List
3-1 Main Parts List Top
2 0601-001611 LED200
2 0601-001611 LED201
2 0601-001611 LED202
2 0601-001611 LED203
2 0601-001611 LED204
2 0601-001611 LED205
2 0601-001611 LED206
2 0601-001611 LED207
2 0601-001611 LED208
2 0407-001007 D110
2 0504-001042 U601
2 0504-001042 U602
2 0504-001042 U603
2 0506-001004 U106
2 1009-001010 U204
2 1203-002077 U100
2 1203-002156 U108
2 1204-001960 U301
2 1405-001082 V305
2 1405-001082 V400
2 1405-001082 V404
2 1405-001093 V302
2 1405-001093 V303
2 1405-001093 V304
2 1405-001093 V308
2 1405-001121 V202
2 1405-001121 V203
2 1405-001121 V204
2 2007-000138 R244
2 2007-000157 R216
2 2007-001325 R314
2 2007-007009 R243
2 2007-007107 R607
2 2007-007107 R608
2 2007-007137 R317
2 2007-007309 R691
2 2007-007313 R318
2 2007-007771 R312
2 2007-007771 R316
2 2007-000162 R419
2 2007-007009 R211
2 2007-007009 R212
2 2007-001290 R241
2 2007-001290 R241
2 2007-007009 R215
2 2007-007009 R240
2 2007-001290 R241
2 2007-007009 R242
2 2007-007771 R206
2 2007-000148 R309
2 2007-000162 R107
2 2007-000162 R108
2 2007-000162 R109
2 2203-000438 C307
2 2203-005061 C309
2 2203-005061 C310
2 2203-002687 C314
2 2203-000679 C209
2 2203-000679 C210
2 2203-000679 C211
2 2203-000679 C213
2 2203-000679 C214
2 2203-000679 C218
2 2203-000679 C219
2 2203-000854 C421
2 2203-000854 C424
2 2203-001017 C422
2 2203-001017 C425
LEVEL SEC CODE REFERENCE
3-2Electrical Parts List
2 2203-005061 C313
2 2203-005483 C311
2 2203-000438 C608
2 2203-000679 C611
2 2203-000679 C613
2 2203-000679 C615
2 2203-000812 C601
2 2203-002443 C203
2 2203-005061 C202
2 2404-001086 C312
2 2203-000233 C602
2 2404-001105 C603
2 2203-000679 C303
2 2203-000679 C304
2 2203-005061 C305
2 2203-000254 C103
2 2203-000254 C120
2 2203-005061 C102
2 2203-005061 C123
2 2203-005061 C128
2 2404-001105 C122
2 2007-007771 L604
2 2007-007771 L605
2 3301-001362 L201