Samsung SGH-T508 User manual

ELECTRONICS
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

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 Travel 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 TAIWAN
1-3 Travel Adapter
AB
CD

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 Diagrams2-1
2. PCB Diagrams
2-1 Main Top
C102 C103
C120
C122
C123C128
C202
C203
C209
C210
C211
C213
C214
C218
C219
C303
C304
C305
C307
C309
C310
C311 C312
C313
C314
C390
C418 C419
C421
C422
C424
C425
C601C602
C603
C608
C611
C613
C615
CLR
CN201
D110
DIGIT1
DIGIT10
DIGIT2
DIGIT3
DIGIT4
DIGIT5
DIGIT6
DIGIT7
DIGIT8
DIGIT9
DOWN
END
INT
L201 L300
L410
L604
L605
LED200
LED201
LED202
LED203
LED204
LED205
LED206 LED207
LED208
LEFT
R107
R108
R109
R206
R211
R212
R213
R214 R215
R216
R240
R241 R242
R243
R244
R309
R312
R314
R316
R317
R318
R419
R607
R608
R691
RIGHT
SEND
SOFT1 SOFT2
SYMBOL#SYMBOL*
U100
U106
U108
U204
U301
U601
U602
U603
UP
V202 V203 V204
V302
V303
V304
V305
V308
V400
V404

PCB Diagrams2-2
2-2 Main Bottom
A500
BAT100
C100
C101
C104
C105
C106
C107C108
C109
C111 C112
C113
C114
C115
C116 C117
C118
C119
C121
C124
C125
C126
C127
C150
C151
C160
C201
C212
C217
C300C301
C302
C315
C316
C317
C400 C401
C402
C403
C404
C405
C406 C407
C408
C409
C410
C411 C412C413
C414
C415 C416
C417
C420
C423
C426
C427
C428 C429
C430C431
C432 C433 C434
C435
C436 C437
C438
C439 C440
C441 C442
C443 C444 C445
C446
C500
C501
C502 C503
C504
C505 C506
C507 C508
C509 C510
C511
C512 C513
C514
C515
C516
C517
C518
C519
C600
C604
C605
C607 C612
C614
C616
C617
C630
C690
C691
CN100
CN205
CN300
CN301
CN600
D100
D111
EAR400
F200
F201
F202
F203
H100
H101
H102
H103
JT1
JT10 JT11 JT12 JT13 JT14 JT15
JT2JT3 JT4JT5 JT6 JT7 JT8 JT9
L200
L500
L501
L502
L503
L504
L601
L602
L603
L606
L607
MIC1
OSC400
Q100
Q201
Q500
R100
R101
R103
R104
R105
R106
R110
R111
R112
R205
R208R209
R217 R218
R236 R237
R302
R304
R307
R310
R311
R319
R400
R401
R402
R403
R404
R406
R407
R408
R409 R410
R411
R412
R413
R414
R415
R416
R417
R418
R421 R422
R423
R424
R425
R426
R427 R429
R430R431
R432
R433
R434
R435
R436
R437
R438R439
R440
R441
R502 R503
R504
R505
R507
R509R510
R511
R513
R514
R515 R516
R517 R518
R519
R520
R521
R522
R523
R530
R603R604
R690
R692
TH200
TP400 TP401TP402
TP403
TP404
TP405
U101
U102
U103
U104
U105
U107
U200
U202
U203
U205
U300
U302
U400
U401
U402
U403
U404
U500
U501
U502
U503
U504
U505
U600
U605
V210
V220
V290
V300
V301
V401
V402 V403
V405
V406V407
ZD300

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

LEVEL SEC CODE REFERENCE
LEVEL SEC CODE REFERENCE
Electrical Parts List
3-3
3-2 Main Parts List Bottom
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
2 2203-005061 C313
2 2203-005483 C311
2 2203-000438 C608
2 2203-000679 C611

LEVEL SEC CODE REFERENCE
Electrieal Parts List 3-4
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

4. Block Diagrams
4-1 Main Baseband
4-1 Block Diagrams
Battery
Type
Battery Voltage Battery
Temperature
XVCC
RTC_VCC
Serial Data
Interface
I/O
Interface
A/D
Interface
AFC PLL
Charging
Circuit
Li-Ion Battery
(Standard)
ONE C
VIBRATOR
SYSTEM CLOCK
(13MHz)
SRAM
FLASH
EEPROM
RTC_CLOCK
(32.768KHz)
KEYPAD
SIM CARD
SPEAKER
MIC
LCD
BB INTERFACE
RF INTERFACE
DVCC2.5
AVCC2.5
VDD3.0
3VRF
Charging
Current
LED_3V3

Block Diagrams 4-2
4-2 Main RF
EGSM RX
925~960 MHz
(CH62 : 947.4 MHz)
DCS RX
1805~1880 MHz
(CH698 : 1842.4 MHz)
SAW
Filter
U501
SAW
Filter
U500 LNA
LNA
PGA PGA ADC
ADC
VCTCXO
(U504)
EGSM TX
880 ~ 915 MHz
(CH62 : 902.4 MHz)
DCS TX
1710 ~ 1785 MHz
(CH698 : 1747.4 MHz)
Dual PAM
(U600)
Antenna
S/W
(U605)
RF
Conector
(CN600)
Si4200 (U502)
RF
PLL IF
PLL
Si4133T (U505)
PD
LPF
Mixer
Channel
Filter
PGA PGA DAC
DAC
100
kHz
Si4201 (U503)
VP40578
(U401)
Bryce Park
I Q I Q
SDATA SCLK
SENB PDNB

4-3 Block Diagrams
4-2-1 RF Transmit Part
VCTCXO
(U504)
EGSM TX
880 ~ 915 MHz
(CH62 : 902.4 MHz)
DCS TX
1710 ~ 1785 MHz
(CH698 : 1747.4 MHz)
Antenna
S/W
(U605)
RF
Conector
(CN600)
VP40578
(U401)
Bryce Park
SDATA SCLK
SENB
PDNB
PD
LPF
Si4200 (U502)
I Q
Dual PAM
(U600)
RF
PLL
Si4133-T (U505)
AFC
+VBATT Txpower
from U401
3VRF
8
TXEN
from U401
VC1 VC2
Ant. S/W
Control
Circuit
BAND Selection
VREG
<EGSM> 1279 ~ 1314 MHz <DCS> 1327 ~ 1402 MHz
-6dBm @ 1301.4 MHz (G) -9dBm @ 1364.4 MHz (D)
211
53
9
11
7 124
25
5 6 7 8
31
4
2
7
26,27
23,24 12,13 9,10
IF
PLL
9
/2
<EGSM> 880~895 MHz : 798 MHz 895~900 MHz : 790 MHz 900~915 MHz : 798 MHz <DCS> 766 MHz
-6dBm @ 798 MHz -9dBm @ 766 MHz
1
2
3
VC2VC1
Tx(GSM)
Tx(DCS)
Rx
LL
H
H
LL
TXEN
Txpower
2
1
3VRI
BANDSEL
_BANDSEL

Block Diagrams 4-4
4-2-2 RF Receive Part
VP40578
(U401)
Bryce Park
EGSM RX
925~960 MHz
(CH62 : 947.4 MHz)
DCS RX
1805~1880 MHz
(CH698 : 1842.4 MHz)
SAW
Filter
(U501)
SAW
Filter
(U500)
LNA LNA
PGA PGA ADC
ADC
VCTCXO
(U504)
Antenna
S/W
(U605)
RF
Conector
(CN600)
Si4200 (U502)
RF
PLL
Si4133-T (U505)
Mixer
Channel
Filter
PGA PGA DAC
DAC
100
kHz I/O
Si4201 (U503)
I Q
<EGSM> 1849.8 ~ 1919.8 MHz <DCS> 1804.9 ~ 1879.9 MHz
GSM : /2
2
38
10 1
11
3,4 3,4 17,18
21,22
1,2 1,2 11,12
11,12
5 4 3 2
SDATA SCLK
SENB
AFC
4
2
7
7
23,24
12,13
PDNB
31
9
14
- 50dBm @ 947.067 MHz - 50dBm @ 1842.467 MHz
-51dBm -52dBm
-6dBm @ 1895.6 MHz (G) -9dBm @ 1842.3 MHz (D)
-52dBm -52dBm
-50dBm (G) -54dBm (D) @ 67 kHz
1
2
3
4