Text preview for : SAMSUNG SGH-X120 service manual.pdf part of SAMSUNG X120 SAMSUNG SGH-X120 SCHEMATIC
BY ABDUL BASIT
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GSM TELEPHONE
SGH-X120
GSM TELEPHONE
1. 2. 3. 4. 5. 6.
CONTENTS
Specification Flow Chart of Troubleshooting Exploded Views and Parts Lis Electrical Parts List Block Diagram PCB Diagrams
1. SGH-X120 Specification
1. GSM General Specification
GSM900 Phase 1
F r e q . Ba n d [ M H z ] U plin k/D o wn link A RF C N r an g e Tx / Rx s pac in g M od . Bit r a te / Bit P e r io d Ti me S lo t P e ri od / Fr am e P e ri od M o du l ati on M S P o we r P o we r C las s Sensitivity T DM A M u x Ce l l Rad iu s 8 90~ 915 9 35~ 960 1~1 24 4 5M Hz 2 70. 833 kb ps 3. 69 2us 57 6. 9us 4. 615 ms 0 .3 GM S K 33 dBm ~ 13d Bm 5p cl ~ 1 9pc l -10 2dB m 8 35Km
EGSM 900 Phase 2
880 ~9 15 925 ~9 60 0~ 12 4 & 975~ 102 3 45MHz 27 0. 833k bp s 3. 692u s 576. 9u s 4. 615m s 0 . 3 G M SK 33d Bm ~5d Bm 5pcl ~ 19pcl -102 dBm 8 35K m
DCS1800 Phase 1
171 0~1 785 180 5~1 880 51 2~8 85 95 MHz 27 0. 833k bp s 3. 692 us 5 7 6 .9 u s 4. 615m s 0 . 3 G M SK 30d Bm ~0 dBm 0pcl ~ 15pcl -100 dBm 8 2Km
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SGH-X120 Specification
2. GSM TX power class
TX Power control level
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
GSM900
33±2 dBm 31±2 dBm 29±2 dBm 27±2 dBm 25±2 dBm 23±2 dBm 21±2 dBm 19±2 dBm 17±2 dBm 15±2 dBm 13±2 dBm 11±3 dBm 9±3dBm 7±3 dBm 5±3 dBm
TX Power control level
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
DCS1800
30±3 dBm 28±3 dBm 26±3 dBm 24±3 dBm 22±3 dBm 20±3 dBm 18±3 dBm 16±3 dBm 14±3 dBm 12±4 dBm 10±4 dBm 8±4dBm 6±4 dBm 4±4 dBm 2±5 dBm 0±5 dBm
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2. SGH-X120 Flow Chart of Troubleshooting
1. Power ON
'Power ON' Does not work
Check the current consumption
Current consumption 100mA ? YES Check the V bat. voltage
NO
Down load again
Voltage 3.3V ? YES Check the pin of U300
NO
Charge the Battery
pin #11 2.8V ? YES pin #39 and #33 = 2.8V YES
NO
Check U300 and C313
NO
Pin #9=1.8V? YES
NO
Check U300 and C312
Check the clock signal at pin #3 of OSC100 Freq.=13MHz,Vrms 300mV
NO
Check the clock generation circuit (OSC100, U105 pin#4)
YES Check the Initial operation
END
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SGH-X120 Flow Chart of Troubleshooting and Circuit Diagrams
2. System Initial
Initial Failure
The pin #9 of U300 = 1.8V and pin #11 of U300=2.8V? YES Is the pin #19 of U300 " Low --> High" ? YES There is 32.768KHz wave form at the C225, C226 ? YES
NO
Check the U300 (If it has some problem, it has to be replaced.)
NO
Check the U300 (If it has some problem, it has to be replaced.)
NO
Check the U201
Is the pin #25 of U300 is High ? YES The voltage is "High" at the C306,C308,C309 ? YES LCD Display OK ? YES Sound operation OK ? YES END
NO Check the U200
NO
Check the U300
NO
Check the LCD part
NO
Check the Audio part
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SGH-X120 Flow Chart of Troubleshooting and Circuit Diagrams
3. SIM Part
"Insert SIM" is displayed on the LCD
Is there any signal pin #52,53,54 of U300 ?
NO
Check the U201
YES
Is there any signal pin #1,2,3,6 of CN300 ?
NO
Check the U300
YES
Check the SIM Card
END
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SGH-X120 Flow Chart of Troubleshooting and Circuit Diagrams
4. Charging Part
Abnormal charging operation
The pin #17,18 of CN301 (VEXT) is 5V ? YES
NO
Replace TA or check CN301
The pin#6 OF U302 LOW? YES
NO
Check the U302
The pin#2 of U302 is Low? YES
NO
Check the U302
The pin#5 of U301 is 3.2~4.2V? YES
NO
Check the U301
The ICHRG =1V(during charging) & 180mV(full charging)? YES END
NO
Solder again or change R322
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SGH-X120 Flow Chart of Troubleshooting and Circuit Diagrams
5. Microphone Part
Micro-phone does not work
Is the assembled status of Microphone O.K? YES Check the DC bias voltage on Mic path.
NO
Reassemble the microphone
The voltage of C476 is 2.2V±10%?
NO
Solder the microphone again or Replace C434,C476,R416,R415,R440
YES
Is microphone OK? YES END
NO
Check U300
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SGH-X120 Flow Chart of Troubleshooting and Circuit Diagrams
6. Speaker Part
There is no sound from speaker
Is the terminal of speaker is O.K? YES
NO
Replace the speaker
YES
The type of sound from the speaker is Melody?
NO
Are there any signal at the pin #5,7 of U401?
NO
NO
Are there any signal at the pin #3,9 of U401?
YES
YES
Pin #4 of U401 is Low? YES
NO
Check U201, U401
NO
Pin #4 of U401 is High? YES
Check U402
Check U200
END
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SGH-X120 Flow Chart of Troubleshooting and Circuit Diagrams
7. EGSM Receiver
Continuous RX ON RF Input : 62 CH AMP : -50dBm
NORMAL CONDITION Catch the channel ? YES U100 Check Pin #6 -65dBm ? YES U100 Check Pin #11 -65dBm ?
NO
Check soldered status of C102
NO
CON101 Resolder or Change
NO U100 Resolder or Change
YES U104 Check Pin #1 -65dBm ? NO Check soldered status of C114 & U100 Resolder or Change
YES NO
U103 Check Pin#20,21 -65dBm ?
Check soldered status of C117, 118, L103, U104
YES U103 Check Pin#9,32=Clean 2.8V? YES U103 Check Pin#28,1,2,3=100mV? YES NO NO NO
U300, C306, C308 Check or resolder
U103 Check Pin #8 : 13MHz ? Vpp : 860mV?
NO
OSC100 Check Pin #8 : 13MHz ? Vpp : 950mV?
NO
OSC100 Check Pin #4 = 2.8V ?
YES U103 Change or resolder
YES C129, R114 resolder
YES OSC100 Change or resolder
Check U200
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SGH-X120 Flow Chart of Troubleshooting and Circuit Diagrams
8. EGSM Transmitter
U100 Pin#6 About 2~3 dBm? YES U102, CON101 Check & Change
NO
U100 Pin#10 = High? YES
NO
U200, Q202 Check & Change
NO
Level of U100 Pin#7 is 4~5dBm ?
YES U100 Check & Change
Continuous TX ON condition TX Power Code : 500 code Applied CH : 62 RBW : 100KHz VBW : 100KHz SPAN : 10MHz REF. Level : 10dBm ATT. : 20dB
C103 = 3.7V? YES
Level of U101 Pin #6 is 1.2V?
NO
Check the Battery Block
NO
Check & Change R107 OK ?
NO
U200 Check & Change
YES YES
U101 pin#7 About -5 dBm?
YES
NO U101 pin#3 High ? YES Change U101 NO Check U200
U103 Check Pin#9,32 2.8V ?
NO
U300, C306, C308 Check or resolder
YES NO
U103 Check Pin #8 : 13MHz ? Vpp : 860mV?
NO
OSC100 Check Pin #8 : 13MHz ? Vpp : 950mV?
NO
OSC100 Check Pin #4 = 2.8V ?
YES
YES R114, C129 resolder
YES OSC100 Change or resolder
NO
U401 Pin #4,5,6,7 = 1.7V? YES Change U101
Check U200
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SGH-X120 Flow Chart of Troubleshooting and Circuit Diagrams
9. DCS Receiver
Continuous RX ON RF Input : 660 CH AMP : -50dBm
NORMAL CONDITION Catch the channel ? YES U100 Check Pin #6 -65dBm ?
NO
Check soldered status of C102
NO
CON101 Resolder or Change
YES U100 Check Pin #3 -65dBm ? NO U100 Resolder or Change
YES NO
U102 Check Pin #1 -65dBm ?
Check soldered status of C114, 116
YES
U103 Check Pin#18,19 -65dBm ?
NO
Check soldered status of C107, 115, ,L102, U102
YES NO U300, C306, C308 Check or resolder
U103 Check Pin#9,32=Clean 2.8V?
YES
U103 Check Pin#28,1,2,3=100mV?
NO NO
YES NO NO
U103 Check Pin #8 : 13MHz ? Vpp : 860mV?
OSC100 Check Pin #8 : 13MHz ? Vpp : 950mV?
OSC100 Check Pin #4 = 2.8V ?
YES U103 Change or resolder
YES R129, 114 resolder
YES OSC100 Change or resolder
Check U200
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SGH-X120 Flow Chart of Troubleshooting and Circuit Diagrams
10. DCS Transmitter
U100 Pin#6 About 2~3 dBm? YES C102, CON101 Check & Change NO NO NO
U100 Pin#4 = High? YES Level of U100 Pin#5 is 4~5dBm ? YES U100, L100, C106, C114 Check & Change NO
U200,Q203 Check & Change
Continuous TX ON condition TX Power Code : 350 code Applied CH : 660 RBW : 100KHz VBW : 100KHz SPAN : 10MHz REF. Level : 10dBm ATT. : 20dB
C104 = 3.7V? YES Level of U101 Pin #6 is 1.2V? YES YES
Check the Battery Block
NO
Check & Change R107 OK ? YES
NO
U200 Check & Change
U101 pin#1 About -5 dBm? NO NO
U101 pin#3 High ? YES Change U101
Check U200
U103 Check Pin#9,32 2.8V ?
NO
U300, C306, 308 Check or resolder
YES
U103 Check Pin #8 : 13MHz ? Vpp : 860mV?
NO
OSC100 Check Pin #8 : 13MHz ? Vpp : 950mV?
NO
NO OSC100 Check Pin #4 = 2.8V ? YES OSC100 Change or resolder
YES NO U103 Pin #4,5,6,7 = 1.7V? YES Change U101
YES R129, 114 resolder
Check U200
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SGH-X120 Flow Chart of Troubleshooting and Circuit Diagrams
VCCD
VBAT
C N 400
1 V _B O O ST 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 V B AT NC2 VCC1 G ND2 VI O N C V B A TT C 1+ C 1VDD G ND3 R STB W RB RDB C SB A0 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D 10 D 11 D 12 D 13 D 14 D 15 PR EB PR EG PR ER G ND4
R400 D 400 L400
C 405
M EM _R ST C P_W EN LC D _SEL A( 3)
V_B O O S T
C 401
U 400
C 404
R401
C 402
C 403
R437
C 415
ZD 40 1 ZD 40 0
C 409
C 408
D( 0) D( 1) D( 2) D( 3) D( 4) D( 5) D( 6) D( 7) D( 8) D( 9) D( 10) D( 11) D( 12) D( 13) D( 14) D( 15)
5 VI N
SW 1 G ND 2
LC D _B A C K LI H T_E N G
4 _SH D N FB 3
C 406
R402 13K , 1%
R403 62K , 1%
LC D _B A C K LI H T_C O N TR O L G
2
3 1
Q 400
35 V C C 4 36 NC1
ZD 402
ZD 403
ZD 404
C 410
C 407
VI _E N B
M SPK+
D( 5)
D( 10)
D( 11)
D( 12)
D( 13)
D( 14)
D( 15)
D( 0)
D( 1)
D( 2)
D( 3)
D( 4)
D( 5)
D( 6)
D( 7)
D( 8)
D( 9)
SPO U T2
SPO U T1
D2
D4
D3
D5
D6
D7
M TR
33
D( 1) D( 0)
25 24 23 22 21 20 19 18 17 G D1 D0 / R W /S C A0 /D R U 402 G SPVSS SPVD D EQ 3 EQ 2 EQ 1 H PO U TR
6) D(
D( 7)
M SPK-
2) D(
D( 3)
D( 4)
36 16 15 14 13 12 11 10
C 419 R 411 R 406 150K , 1% C 416 VBAT
26 27 28 29 30 31
$V
C 461
C 467
C 458
C 459
C 460
C 462
C 463
C 464
C 465
C 466
C 468
C 469
C 471
C 472
C 470
C 473
C P_W EN Y M U _EN VCCD A( 0) C P_O EN
R 408 C 417 C 418
/ ST R
PLLC
VD D
34 G 1
VS S
/R Q I
LED
I VD D O
H PO U T- M O N O L/
VR EF
C LK I
32
NC
G 35
2
3
4
5
6
7
8
9
C 430
C LK 13M _Y M U Y M U _LED Y M U _I RQ M EM _R ST
R 414 VCCD
VCCD
C 433
C 431
C 432
R404
R 405 A O U TA P SPK 1P 10 9 8 M SPK + 7 6 NO 2 CO M 2 I2 N NC2 G ND
U 401 V+ NO 1 CO M 1 I1 N NC1 1 R 407 2 3 4 5 A O U TA N SPK 1N A U D I _O U T_SEL O SPK 1P M SPK SPK 1N
SPK400
C 424 C 425 C 429 VCCA
C 420
C 421 ZD 405
2 1
6
R 417 1. 2K
C 443
C 442
R 420 R 415 MI I C N M I O UT C R 416 VCCA C 434 L401
M I _P C
C 436 NC C 437
C 438 8PF R 440 C 435 1N F
5
3
4
VCCA
C 439
M I _M C R418
C 440 F400 C 441 C 476 C 477 A O U TB N A O U TB P R 421 JA C K _I N C 445 33U F L404 R 423 JA C K _I N EA R _SPK _P EA R _M I _N C L402 L403 R 419 100K
1 2
4 3
EA R _SPK _N 3 EA R _M I _P 1 C 4 5 2 6 C N 401
R 422
C 444
A U XI N
R424
VCCA A U XO U T R 426 C 450 VCCD C 446
R425
C 448
C 451
ZD 408 ZD 409
R 428 R 429
C 449
R427
ZD 407
R 430 EA R _SW I H TC C 457 C 456 R 431 C 453 C 452 C 454
C 455
C 447
2
3 R 432 1
R 433 Q 401
R434
R435
AU D I O
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ZD 406
SGH-X120 Flow Chart of Troubleshooting and Circuit Diagrams
CN300 1 1 4 4 2 5 2 5 3 3 6 G GG G 6 78 91 0
VBAT C300
VCC_1. 8A
VCCD
VRF
VPAC
VO SC
VCCA
VCCB
VRTC
C 325
C303
C301
C302
C304
VREF
49
50
51
48
29
30
28
6
SI _R ST M
SI _C LK M
M SI RST SI CLK M SI DATA M
54
G NDD1
C R EF
SI _I M O
VR EF
G N DQ
VSI M
UP_RST 53 UP_CLK 52 UP_I O
VLDO _7 40 VDD67 41 VLDO _6 42
VRTC
VBAT
44 ADC_AUX1 45 ADC_AUX2 56 ADC_TRI G 3 VACC 2 VBAT
32 VL5S_A 31 VL5S_B VLDO _5 VDD5 33 34
R309 TA_VEXT 1 VEXT 43 BTEM P 46 PW R_SW 1N 47 PW R_SW 2 13 RTC_ALM N 21 PW R_KEEP 20 PSW 1_BUF 14 I NTRQ 15 SDI 16 SDO 17 SCLK 18 CSN 22 23 24 25 26 27 EN_3 EN_4[ 0] EN_4[ 1] EN_5 EN_5A EN_5B
PW R_O N JI _O N G RTCALARM PW R_KEEP C305 R316
36 VL4S_A 35 VL4S_B VLDO _4 37 U300 VDD34 38 VLDO _3 39
UP_SDI UP_SCLK UP_CS EN_VRF EN_VPAC
VRTC 12 R318
KEY_CO L( 2) 3 1 2
11 VLDO _2 19 RESET N
XO ENA
KEY_RO W ( 0)
Q 300
RST
55 RI _PW M NG 57 58 G ND 59 G ND G ND 60 G NDD VLDO _1 VDD12
R I G _D R V N
LED 1_D RV
LED 2_D RV
VI _D R V B
65 G ND 66 G ND 67 G ND 68 G ND
61 G ND 62 G ND 63 G ND 64 G ND
1
10
POS
9
M1 C314 C315
5
4
7
8
VCCD
VCCD
VCCD
VCCD VBAT VCCB
R300
R301
R302
R303 DAI DI DAI DO DAI RN DAI CK
R 354
N EG
2
C310
C311
C312
C313
C306
C307
C308
C309
CN301 DLC_DETECT SDS_TXD SDS_RXD DEBUG _TXD DEBUG _RXD DEBUG _DTR DEBUG _CTS DEBUG _RTS DEBUG _DCD JI _O N G DEBUG _DSR DEBUG _RI TA_VEXT
R 304 R 305 R 306 R 307
R308
1K 1K 1K 1K
1K
R 310 R 311 R 312 R 313 R 314 R 315 R 317
1K 1K 1K 1K 1K 1K 1K
BP_CF BP_VF
R 355
NC
ZD 301
1 6 1
ZD 302
6 1
ZD 303
6 1 6
DLC_DETECT SDS_TXD SDS_RXD DEBUG _TXD DEBUG _RXD VCCD DEBUG _DTR G ND DEBUG _CTS DEBUG _RTS G ND DEBUG _DC D JI _O N G VTEST DEBUG _DSR DEBUG _RI VEXT VEXT G ND BP_CF BP_VF VBATT G ND G ND
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 NC NC
2 5 3 4
2 5 3 4
2 5 3 4
2 5 3 4
ZD 322 ZD 319
C 328
C 327
IF C O N N EC TO R /
Q 301
4
6 5 2 1
VBAT U301 SENSE 1I DRI VE 2 G ND 3 VCC C317 VSENSE 5 6 VBA T 3
PO W ER
VBAT
U 302
C316 NV 1 VI O UT1 10 VO UT2 9 N/ 8 C N/ 7 C V_M O TO R V_M O TO R V_AUX CN302 1 I + N 2 I N 3 G ND1 4 G ND2 VCCD
TA_VEXT
PRO G 4
CHG _DET Q 302 3 1
R319
C 329
C 326
VI B_EN Q 303 KEY_BACKLI HT_EN G 6 R322 I CHRG R323 5 TA_VEXT 2 EN1 3 EN2 4 CBYP C 5 N/
R 320 30
LED300
1 LEDA 2 LEDC
R 321 0
2 1
C 318 1U F
I RDA_TX I RDA_R X I RDA_EN I RDA_EN 1
3 TXD 4 RXD 5 SD 6 VCC
G ND G ND G ND G ND G ND G ND
G ND 6
3
R 356 R 357
0 NC
C 320
C 330
CHG _O N
2
7
2
11 12 13 14 15 16 R324
C 321
3 4
C 322
C 323
C 324
ZD 306
1
C 319 100N F
G ND
KEY_CO L( 4) 0:
I DA R
KEY_CO L( 0) KEY_CO L( 1) KEY_CO L( 2) KEY_CO L( 3) KEY_CO L( 4) R325 0 R327 0 R333 0 R326 0 R329 0
ZD 310
ZD 307
ZD 308
ZD 309
ZD 311
R334 KEY_RO W ( 4) 0: KEY_RO W ( 0)
SEND KEYPAD 12 1 KEYPAD 12 4 KEYPAD 12 7 KEYPAD 12 * KEYPAD 12
CLEAR DD- M - EDO 4PI 2 12 2 KEYPAD 12 5 KEYPAD 12 8 KEYPAD 12 0 DD- M - EDO 4PI 2 12 3 KEYPAD 12 6 KEYPAD 12 9 KEYPAD 1 2 SHARP KEYPAD 12 UP KEYPAD 12 DO W N KEYPAD 12
I KEYPAD 12
12 SW 1 34 5
V_AU X V_AU X
DSP_TD O DSP_TD I DSP_TM S DSP_TCK CP_TDO RST CP_TDI CP_TM S CP_TCK
DSP_TD O DSP_TD I DSP_TM S DSP_TCK CP_TDO RST CP_TDI CP_TM S CP_TCK
LED301
LED302
LED306 LED303
LED307
LED308
LED309
LED310
LED311
LED312
R335 KEY_RO W ( 1)
R 342 300
R 343 300
R336 KEY_RO W ( 2)
12
R337 KEY_RO W ( 3) R350 KEY_RO W ( 4)
34 RI HT G KEYPAD 12 STO KEYPAD 12
5
ZD 312
LEFT KEYPAD 2 1
M ENU KEYPAD 12
SW 2
R 338
R 339
R 340
R 341
R 344
R 345
R 346
R 347
R 348
R 349
LED 304
LED 305
ZD 320
ZD 313
ZD 314
ZD 315
ZD 316
ZD 317
PW R KEYPAD 12
VO LU M E
PW R_O N
ZD 321
JTAG CO N
ZD 318
K EY
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SGH-X120 Flow Chart of Troubleshooting and Circuit Diagrams
C N 100 1 1 2 2
C O N 101
R 100
1 I N G1 3 O UT 2 G2 4
C 100
C 101
L105
VB AT VPAC R 101 D C S_PAM _I N R 103 C 104 R 104 U 100 G SM _PAM _I N 10 81 2
VC C VC C 2 VC C 2
C 102
R 102
C 105
8 AN T 5 3 10 1 VC2 D C S_TX VC1 EG SM _R X D C S_RX G G G G G G G 14 13 12 9 7 6 4 R 108 C 131 C 110 U 102 C 107 3 1 I N G GO U T 5 OUT 4 C 115 L102 D C S_LN A_I _P N 3PF D C S_LN A_I _N N EG SM _TX 2 11 D C S_TX_EN G SM _TX_EN
U 101
R 106
R 105
TX_B AN D _SEL TX_EN
TXPO W ER R 107 100K C 108 C 111 C 112 1NF
2 3 4 5 6
B AN D D C SI N TXEN G SM 850/ 900I N VB ATT VR EG VR AM P G ND PC SO U T G SM 850/ 900O U T
1 7 11 9
L100
13 C 106 C 109
C 113
C 114
C 116 NC
2
U 104 3 1 OUT I N GG OUT 5 2 4
C 117 G SM _LN A_I _N N C 118 L103 G SM _LN A_I _P N
C 119 NC
VRF
G SM _PAM _I N
C 103
D C S_PAM _I N
22
23
24
25
26
27
28
2930 31 32 33 34
R XQ P
XEN
A DI G 1
G SM _LN A_I _N N G SM _LN A_I _P N D C S_LN A_I _N N D C S_LN A_I _P N
21 20
A DI G 2
XO U T
R FO D
R FO G
G ND G ND G ND VD D G ND G ND
35 G ND 36 G ND R XQ P
R FI N G R FI P G 19 R FI N D U 103 18 R FI P D 17 R FI N P 16 R FI P P 15 GND R XI N TXI P TXI N TXQ P 3 4 5 6 7 R XQ N R XI P 1 2
R XQ N R XI P R XI N TXI P TXI N TXQ P TXQ N
_SEN
SD I
SC LK
_P D N
SD O
VDD
XI N
8
TXQN
14
13
12
11
10
9
C 120 C LK 13M _R F
SER D AT SER C LK SER LE C 122
VRF
C 121
SI N _E
TR AN SM I TTER & R EC EI R VE
VO SC
VO SC
R 109 10
L104
C 123 10PF
O SC 100
VC C
R 110 10K
AFC
U 105
C 124 1N F 5 C 126 100P F R 112 560 R 111 1. 5K C LK 13M _TR C 127 100PF C LK 13M _M C
VT
1
4 C 125 1N F 3 1 NC VC C
O UT
2
G ND
2A
3 G ND
C 128 10N F C 129 10N F
Y
4
R 113
10K
C 130
10N F C LK 13M _YM U
R 114 100 C LK 13M _R F
XTAL( 13M H z)
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SGH-X120 Flow Chart of Troubleshooting and Circuit Diagrams
VCC_1. 8A VCC_1. 8A VCCD VRTC
C200 C202 C203 C205 C206
C201
VCC_1. 8A A( 22) VCC_1. 8A R201 47K VCCD
C207
VREF
YM U_LE D A( 23)
CLK13M _TR RST
N 15 N XPA 36_A 23_C S5 L13 XPA 35_A 22 L17 VD D H 14 N XPA 32_C S0
D( 15) 0: D( 0) D( 1) D( 2) D( 3) D( 4) D( 5) D( 6) D( 7) D( 8) D( 9) D( 10) D( 11) D( 12) D( 13) D( 14) D( 15) A( 0) A( 1) A( 2) A( 3) A( 4) 5) A( A( 6) A( 7) A( 8) A( 9) A( 10) A( 11) A( 12) A( 13) A( 14) A( 15) A( 16) A( 17) A( 18) A( 19) A( 20) A( 21) CP_CSRO M E N CP_CSRAM E N CP_CSRO M 2E N LCD_SEL DLC_DETECT YM U_EN CP_W EN CP_O E N DEBUG _DC D UPPER_BYTE CP_I T N BP_C F I RDA_EN1 YM U_I Q R A6 B5 F8 F7 C5 D6 E7 D5 C4 B4 B3 C1 C2 D2 D3 E3 B13 F11 E14 D15 B15 C14 A16 A15 B17 C17 D16 F14 G 14 G 13 G 17 J12 K12 K13 K14 L14 L15 L16
A( 20) 0:
XCP_D0 XCP_D1 XCP_D2 XCP_D3 XCP_D4 XCP_D5 XCP_D6 XCP_D7 XCP_D8 XCP_D9 XCP_D10 XCP_D11 XCP_D12 XCP_D13 XCP_D14 XCP_D15
E15 VSS_D PLL G 16 VD D _D PLL F10 XVR EF E10 VSSA VD D A C 11 D8 VR TC C K I F17 C 12 R STB
F12 TDO F15 TRS T H12 TDI G 12 TM S H13 TC K G 15 CKO /ACK/ I ERAM HI L12 I BI 2]VEC[ / O T[ / 3]ERO M HI K11 I BI 1]VEC[ / O T[ / 4]PLLTO A N4 I NT#0 I 7 R12 O U5 RW N AB#8 AB#7 AB#6 AB#5 AB#4 AB#3 AB#2 AB#1 AB#0 DB#15 DB#14 DB#13 DB#12 DB#11 DB#10 DB#9 DB#8 DB#7 DB#6 DB#5 DB#4 DB#3 DB#2 DB#1 DB#0 XTI C_M O D E XCPTSTSTO P_CKO T17 T14 R14 P12 P11 N11 R13 M 10 U13 P10 R11 T11 U11 M8 N8 N7 P7 M6 R7 T7 U7 P6 R6 U6 P5 D12 M 12 R218 100K R220 I CHR G BP_VF VBA T
L9 J11 L8 M7 L10 L6 K7 K6 J7 H 11 H7 G 10 G9 F6 A3 A2
1 NC 2 NC
C 16 A5 R 17 R 16 T13 R4 R1 G1 E2
VD D E VD D E VD D E VD D E VD D E VD D E VD D E VD D E VD D E VD D E
VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS
VD D VD D VD D VD D VD D VD D VD D VD D VD D
B 14 E17
E16 N 16 U 16 U 15 P8 U2 M1 B1
DSP_TD O RST DSP_TD I DSP_TM S DSP_TC K
R 208
0
I RDA_EN LCD_BACKLI HT_CO NTRO L G DSP_I T N DSP_I O DSP_RW N DSP_AB( 0) 8:
XCP_A0_BEO N XCP_A1 XCP_A2 XCP_A3 XCP_A4 XCP_A5 XCP_A6 XCP_A7 XCP_A8 XCP_A9 XCP_A10 XCP_A11 XCP_A12 XCP_A13 XCP_A14 XCP_A15 XCP_A16 XCP_A17 XCP_A18 XCP_A19 XCP_A20 XCP_A21
DSP_AB( 8) DSP_AB( 7) DSP_AB( 6) DSP_AB( 5) DSP_AB( 4) DSP_AB( 3) DSP_AB( 2) DSP_AB( 1) DSP_AB( 0) DSP_DB( 15) DSP_DB( 14) DSP_DB( 13) DSP_DB( 12) DSP_DB( 11) DSP_DB( 10) DSP_DB( 9) DSP_DB( 8) DSP_DB( 7) DSP_DB( 6) DSP_DB( 5) DSP_DB( 4) DSP_DB( 3) DSP_DB( 2) DSP_DB( 1) DSP_DB( 0)
U201
DSP_DB( 0 ) 15:
VCCB
U202
2 VO GND R216 3
VS
1
R217
C SR O M EN C SR AM EN C SR O M 2EN
A12 XCP_CSRO M E N A13 XCP_CSRAM E N M 15 XPA0/ CS1N M 14 XPA1/ CS2N M 11 XPA2/ CS3N N14 XPA3/ CS4N C13 XCP_W EN P16 XPA4/ EN O P15 XPA5/ AI W TN T15 XPA6/ BE1N M9 XPA7/RQ 1 I T5 XPA8/RQ 2 I P2 XPA9/RQ 3 I N2 XPA10/RQ 4 I
VCCB
R 0] TR C P_K B [ / _C S_I A M R 1] TR C P_K B [ / _C S_I O M 2] TR C P_K B [ / _C S_PER F PC 3] TR C P_K B [ / _C S_I P ZE 4] TR C P_K B [ / _SI 0 K 5] TR C P_K B [ / _C L 6] TR C P_K B [ / _PR O T0 ZE 7] TR C P_K B [ / _SI 1 8] TR C P_K B [ / _N EXEC 9] TR C P_K B [ / _G N T_D M A
XAG 3 D11 E11 XAG 2 A11 XAG 1 B11 XAG 0
U 12 A SM SI _D A TA / 0_D A T M N 10 SM SI _C LK / 0_C LK M
L2 C PA 19/ P_M O L1 PA 20/ P_M I C K4 XPA 21/ P_SC K C J6 A PA 22/ 1_D A T SM
M3 PA 25/ M 0 O G2 PA 26/ M 1 O G4 PA 27/ 1_C LK SM
K5 XPA 11/R D A R X I N1 XPA 12/R D A TX I
R5 XPW M 1 H6 XPA 23/ M 2 PW H5 XPA 24/ M 3 PW F4 FLA SH _R ESET
E4 PN 17/ R Q D P13 PA 18/ T_A C K N 17 T_R EQA PA 33/ M 17 PA 34/ T_R EQB
D7 XC P_TCK G8 XC P_TMS C7 XC P_TDI F9 XC P_TR ST N D 13 XC P_TDO
H4 XPA 15/ TX0 L3 XPA 16/ X0 R
G5 I PA 28/O M 0 F1 PA 29/O M 1 I
C224
L5 M4 T1 R2 T3 U3 P3 T4 N3
G6 PA 13/ 1 TX G3 PA 14/ X1 R
F3 I E1 PA 30/M0 PA 31/M1 I
B7 XBSW N A7 X1RTC D10 X2RTC E8 XRTCALARM _ N C6 XO SC32O UT
RST
RTCALAR M CLK32K
O SC200
R221
L4
R222 NC
C225 12PF
C226 12PF
R223
C227 100PF
KEY_CO L( 4) 0: KEY_CO L( 0) KEY_CO L( 1) KEY_CO L( 2) KEY_CO L( 3) KEY_CO L( 4) KEY_RO W ( 0) KEY_RO W ( 1) KEY_RO W ( 2) KEY_RO W ( 3) KEY_RO W ( 4) I RDA_RX I RDA_TX DEBUG _DTR DEBUG _RTS DEBUG _TXD DEBUG _RX D DEBUG _CTS
KEY_RO W ( 4) 0:
CP_TDO RS T CP_TDI CP_TM S CP_TCK DEBUG _DS R EAR_SW I TCH LCD_BACKLI HT_EN G JACK_I N PW R_KEEP SI RST M DEBUG _RI FLASH_RESET AUDI _O UT_SE L O CHG _O N
VCCD
C231
C228
C229
C230
C232
KEY_BACKLI HT_E N G SDS_TX D SDS_RXD SI DATA M SI CLK M
UP_C S UP_SCLK UP_SDI CHG _DET
B O A R D _H O LE
FLASH_RESET H1 H3 H4
R227 M EM _RS T R228 C235 RST
H2
TR I EN T D
U200 DSP_AB( 8) 0: VBAT DSP_AB( 0) DSP_AB( 1) DSP_AB( 2) DSP_AB( 3) DSP_AB( 4) DSP_AB( 5) DSP_AB( 6) 7) DSP_AB( DSP_AB( 8) DSP_DB( 0) DSP_DB( 1) DSP_DB( 2) DSP_DB( 3) DSP_DB( 4) DSP_DB( 5) DSP_DB( 6) DSP_DB( 7) DSP_DB( 8) DSP_DB( 9) DSP_DB( 10) DSP_DB( 11) DSP_DB( 12) DSP_DB( 13) DSP_DB( 14) DSP_DB( 15) DSP_RW N DSP_I O M EM _RS T P5 N4 N3 P2 P1 N1 M2 L2 K1 J2 H2 J5 J1 H3 G3 F5 G2 F2 E2 D2 D4 E1 E4 C2 B1 K4 K2 A10 P10 N10 N9 N8 CP_I NT DSP_I NT G REEN_LE D EN_VRF EN_VPAC 6 TX_EN SI _EN B4 A5 B5 B6 B7 D5 A6 E6 C7 C8 A9 E9 F1 P6 A1 C214 R213 C215 C216 10N F C217 100NF K5 K6 E5 E7 E8 E10 G5 G 10 H5 H10 K8 K10 VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS O CTL0 O CTL1 O CTL2 O CTL3 O CTL4 O CTL5 O CTL6 O CTL7 O CTL8 O CTL9 O CTL10 O CTL11 VDD 1 VDD 2 VDD 3 L5 L4 AB0 AB1 AB2 AB3 AB4 AB5 AB6 AB7 AB8 DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 DB8 DB9 DB10 DB11 DB12 DB13 DB14 DB15 RW N I O RESET N TM S TDI TCK TDO CI NTR DI NTR K9 SERC K M8 SERD A P9 SERLE1 M7 SERLE2 RFO VL TXP TXI P TXI N TXQP TXQ N RXI P RXI N RXQ P RXQ N N6 J14 J10 H12 H13 J13 L11 M 13 N14 P14 SERCLK SERDAT SERLE
LED 201
LED 200
R 200
TXPO W ER TXI P TXI N TXQ P TXQ N RXI P RXI N RXQ P RXQ N
DSP_DB( 15) 0:
1 43 2 43 2 1
C 204
270
270
470
270
270
470
D11 VREG A13 MI N CI B12 M I UT CO A14 AUXI N B14 AUXO U T AO UTA P F13 G 13 AO UTAN D13 AO UTB P AO UTBN E14 MC AFC XO ENA XO ENA Q XTALA XTALB REFC VXVCM RAREF1 RAREF2 K7 G 12 N7 N5 N12 N11 C13 B11
R 202
R 203
R 204
R 205
R 206
R 207
MI N CI MI UT CO AUXI N AUXO U T AO UTA P AO UTA N AO UTB P AO UTB N CLK13M _M C AFC XO ENA
Q 200 6 1
3 1
2
BLUE_LED
C 208
C 209
Q 201
2 RED_LE D 5
4
3
CLK32K
C210 K14 L13 R209 R210 R211 R212 NC NC NC NC VCCA C211 DAI O D DAI I D DAI K C DAI N R VCC D C212 C213
Q 202 1
2 VCCD 5 VCCD RED_LE D G REEN_LE D BLUE_LE D TX_BAND_SEL
B8 DAI O D B9 DAI DI B10 DAI CK DAI RN D10 UC UC G NDB VDDB VDDC G NDC VDDA G NDA VDDD G NDD NC NC B3 A2 K11 K13 F14 F10 E13 E11 P13 L10 1 2
4
3
G SM _TX_E N
R214 2. 4
R215 2. 4
Q 203 1 6
C218
C219
C220
C221 10N F
2 VCCD 5
C222
4
3
C SP1093
DCS_TX_EN C223 R219
VCC_1. 8A
VCCD U203 D( 15 ) 0: B5 L4 B6 K6 J8 K7 L3 A( 1) A( 2) A( 3) A( 4) A( 5) A( 6) A( 7) A( 8) A( 9) A( 10) A( 11) A( 12) A( 13) A( 14) A( 15) A( 16) A( 17) A( 18) A( 19) A( 20) A( 21) A( 22) G1 F1 E1 D1 B1 C1 F2 E2 F6 D7 E7 B8 C8 D8 F7 E8 F8 D2 B2 B3 E6 B7 H2 H3 G3 H4 J5 G5 J6 H7 G2 J3 G4 J4 H5 G6 H6 J7
A( 22) 1:
VCC 1 VCC 2 VCC 2 VCC 2 VCC Q VCC Q VCC Q A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21
D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15
D( 0) D( 1) D( 2) D( 3) D( 4) D( 5) D( 6) D( 7) D( 8) D( 9) D( 10) D( 11) D( 12) D( 13) D( 14) D( 15)
JTA G
CN402 1 1 TRST 2 2 TD O 3 3 TD I 4 4 TM S 5 5 TC K 6 6 F- E W 7 G N D V_BATT 8 V_BU S GND 9 D+ HP/ W ER PO 10 DRX D 11 SPK+ TXD 12 SPK28 13 M I C+ 29 14 M O T+ 30 15 15 31 16 16 AN T 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 $P RS T CP_TD O CP_TDI CP_TM S CP_TCK CP_W EN VBAT JI _O N G SDS_RX D SDS_TX D
C3 256M B C7 128M B D3 512M B D6 PCS# E3 1G B K2 RFU K3 RFU J1 SCS1 SCS2 C5 K4 S- C VC B4 VSS VSS C4 L2 VSS VSS L5 L6 VSS VSS L7 L8 VSS L1 VSS DU DU DU DU DU DU DU DU NC NC A1 A2 A7 A8 M1 M2 M7 M8 1 2
R 229
R224 VCC D
A( 23)
CP_CSRAM E N
VCC D
VCC_1. 8A
F_W E_1
R225 NC VCC D R226 100K CP_W EN UPPER_BYTE A( 0)
D4 VPP/ VPEN C6 CLK G7 W AI T K5 K8 H1 D5 F3 C2 E4 F5 E5 F4 K1 G8 J2 H8 PVCC P- O D E M R- E# O R- E# W R- # UB RLB# W P# W E# ADV # RST# CE#1 CE2 O E#1 O E#2
G ND_1 C233 M EM _RS T CP_CSRO M E N CP_CSRO M 2EN CP_O EN
C 234
2-14
SAM SU N G Pr i ar C ont s m ay change w ihoutnotce opret yent t i
This Document can not be used without Samsung's authorization
3. SGH-X120 Exploded View and its Parts list
1. Cellular phone Exploded View
3-1
SAM SU N G Pr i ar C ont s m ay change w ihoutnotce opret yent t i
This Document can not be used without Samsung's authorization
SGH- X120 Exploded view and its Part list
2. Cellular phone Parts list Location NO.
QLC01 QSP01 QMO01 QMI01 QFR01 QVO01 QKP01 QMP01 QAN02 QME01 QRE01 QRF01 QCR04 QBA26 QSC21 LCD SPEAKER MOTOR MICROPHONE ASSY FRONT COVER VOLUME KEY KEYPAD MAIN PBA INTENNA METAL DOME REAR COVER RF COVER TAPE SCREW BATTERY EAR JACK COVER ASSY
Description
SEC CODE
GH07-00547A 3001-001551 GH31-00086A GH30-00136A GH75-04428A GH75-04433A GH75-04432A GH92-01798A GH42-00406A GH59-01375A GH75-04430A GH74-09282A 6001-001479 GH43-01310A GH75-04431A
Remark
3-2
SAM SU N G Pr i ar C ont s m ay change w ihoutnotce opret yent t i
This Document can not be used without Samsung's authorization
SGH-X120 Exploded view and its Part list
3. Test Jig (G H 8000865A)
3-1. RF Test Cable (GH39-00182A)
3-2. Test Cable (GH39-00127A)
3-3. Serial Cable
3-4. Power Supply Cable
3-5. DATA CABLE (GH39-00159A)
3-6. TA (GH44-00482A)
3-3
SAM SU N G Pr i ar C ont s m ay change w ihoutnotce opret yent t i
This Document can not be used without Samsung's authorization
4. SGH-X120 MAIN Electrical Parts List
SEC Code
2203-000995 2203-005061 2404-001134 2203-000254 2203-002668 2203-000870 2203-000654 2203-002668 2203-000466 2203-000812 2203-000438 2203-000550 2203-000425 2203-000870 2203-005288 2203-005288 2203-000233 2203-006093 2203-006137 2203-000278 2203-000438 2203-000438 2203-000233 2203-000233 2203-000254 2203-000254 2203-000254 2203-005061 2203-001405 2203-000254 2203-000254 2203-000233 2203-005496 2203-000679 2203-000254 2203-000679
Design LOC
C102 C103 C104 C105 C106 C107 C108 C109 C110 C111 C112 C113 C114 C115 C117 C118 C120 C121 C122 C123 C124 C125 C126 C127 C128 C129 C130 C200 C201 C202 C203 C204 C205 C206 C207 C208
SEC Code
2203-000679 2203-005061 2203-006093 2203-005450 2203-005496 2203-000233 2203-000254 2203-000254 2203-005061 2203-000254 2203-000254 2203-000254 2203-000254 2203-005052 2203-000233 2203-000233 2203-000628 2203-000628 2203-000233 2203-000254 2203-005061 2203-000254 2203-005061 2203-005496 2203-000940 2203-005061 2203-005480 2203-000812 2203-000812 2203-000812 2203-005482 2203-005061 2203-005061 2203-006201 2203-005796 2203-006201
4-1
Design LOC
C209 C210 C211 C212 C213 C214 C215 C216 C217 C218 C219 C220 C221 C222 C223 C224 C225 C226 C227 C228 C229 C230 C231 C232 C233 C234 C235 C300 C301 C302 C303 C304 C305 C306 C307 C308
SEC Code
2404-001268 2404-001268 2203-001652 2203-006201 2203-006201 2203-006201 2203-000233 2404-001268 2404-001268 2203-005065 2203-005061 2203-000812 2203-000254 2203-006053 2203-006090 2203-006053 2203-006053 2203-005482 2203-000233 2203-005148 2203-000812 2203-005482 2404-001105 2404-001299 2404-001299 2203-000585 2203-001598 2203-005482 2203-001598 2203-000438 2203-000812 2203-005061 2203-001598 2203-000654 2404-001086 2203-005061
Design LOC
C309 C310 C311 C312 C313 C314 C315 C316 C317 C318 C319 C320 C321 C322 C323 C324 C325 C326 C327 C328 C329 C330 C401 C402 C403 C404 C405 C406 C407 C408 C409 C410 C415 C416 C417 C418
SAM SU N G Pr i ar C ont s m ay change w ihoutnotce opret yent t i
This Document can not be used without Samsung's authorization
SGH-X120 Electrical Parts List
SEC Code
2203-001405 2203-000812 2203-000812 2203-000854 2203-005494 2203-000854 2203-005061 2404-001086 2203-005061 2203-000438 2203-006093 2203-000438 2203-000854 2203-001259 2203-000854 2203-000812 2404-001151 2404-001151 2203-006257 2203-005065 2404-001151 2203-002525 2203-000812 2203-005503 2203-000812 2203-000854 2203-000854 2203-001239 2203-000438 2203-000438 2203-000812 2203-000438 2203-001221 2203-000812 2203-000812 2203-000812
Design LOC
C419 C420 C421 C424 C425 C429 C430 C431 C432 C433 C434 C435 C437 C438 C439 C440 C441 C442 C443 C444 C445 C446 C447 C448 C449 C450 C451 C452 C453 C454 C455 C456 C457 C458 C459 C460
SEC Code
2203-000812 2203-000812 2203-000812 2203-000812 2203-000812 2203-000812 2203-000812 2203-000812 2203-000812 2203-000812 2203-000812 2203-000812 2203-000812 2404-001151 2203-006257 3709-001187 3710-002034 3710-001436 3722-002067 3705-001287 2007-000029 0404-001172 2007-000171 2007-001311 2901-001271 2703-001751 2703-001257 2703-002415 3301-001105 2703-002269 2703-002524 2703-002313 2703-002313 2703-002313 2703-002313 0601-001823
4-2
Design LOC
C461 C462 C463 C464 C465 C466 C467 C468 C469 C470 C471 C472 C473 C476 C477 CN300 CN301 CN302 CN401 CON101 D300 D400 E336 ER202 F400 L100 L102 L103 L104 L105 L400 L401 L402 L403 L404 LED200
SEC Code
0601-001823 0604-001261 0601-001897 0601-001897 0601-001897 0601-001819 0601-001819 0601-001897 0601-001897 0601-001897 0601-001897 0601-001897 0601-001897 0601-001897 4302-001130 2809-001260 2801-003747 0504-001162 0504-001012 0504-001042 0504-001042 0504-001113 0502-001201 0504-001113 0506-001052 0504-001012 0501-000225 2007-000070 2007-000172 2007-001316 2007-001316 2007-002965 2007-000139 2007-001311 2007-000162 2007-000171
Design LOC
LED201 LED300 LED301 LED302 LED303 LED304 LED305 LED306 LED307 LED308 LED309 LED310 LED311 LED312 M1 OSC100 OSC200 Q200 Q201 Q202 Q203 Q300 Q301 Q302 Q303 Q400 Q401 R100 R101 R102 R103 R104 R105 R106 R107 R108
SAM SU N G Pr i ar C ont s m ay change w ihoutnotce opret yent t i
This Document can not be used without Samsung's authorization
SGH-X120 Electrical Parts List
SEC Code
2007-000172 2007-000148 2007-000242 2007-002797 2007-000148 2007-000138 2007-000144 2007-000157 2007-000157 2007-001311 2007-000932 2007-001311 2007-001311 2007-000932 2007-000171 2007-000162 2007-007200 2007-007200 2007-000170 2007-000157 2007-000162 2007-000162 2007-007142 2007-007573 2007-007573 2007-007139 2007-000162 2007-000171 2007-000171 2007-000157 2007-000157 2007-000157 2007-000157 2007-000140 2007-000140 2007-000140
Design LOC
R109 R110 R111 R112 R113 R114 R200 R201 R201 R203 R204 R205 R206 R207 R208 R213 R214 R215 R216 R217 R218 R219 R220 R221 R223 R224 R226 R227 R229 R300 R301 R302 R303 R304 R305 R306
SEC Code
2007-000140 2007-000140 2007-000167 2007-000140 2007-000140 2007-000140 2007-000140 2007-000140 2007-000140 2007-000758 2007-000140 2007-001319 2007-007142 2007-001291 2007-000171 2007-007142 2007-007139 2007-008263 2007-000171 2007-000171 2007-000171 2007-000171 2007-000171 2007-000171 2007-000171 2007-000171 2007-000171 2007-007008 2007-007008 2007-007008 2007-007008 2007-007008 2007-007008 2007-007008 2007-007008 2007-007008
4-3
Design LOC
R307 R308 R309 R310 R311 R312 R313 R314 R315 R316 R317 R318 R319 R320 R321 R322 R323 R324 R325 R326 R327 R329 R333 R334 R335 R336 R337 R338 R339 R340 R341 R342 R343 R344 R345 R346
SEC Code
2007-007008 2007-007008 2007-007008 2007-000171 2007-000162 2007-000171 2007-007197 2007-007480 2007-007131 2007-007861 2007-000171 2007-000172 2007-007489 2007-000172 2007-000775 2007-000775 2007-001325 2007-000148 2007-007590 2007-001319 2007-000171 2007-000162 2007-000143 2007-000143 2007-000148 2007-000171 2007-007861 2007-000171 2007-007590 2007-000140 2007-000140 2007-000140 2007-007014 2007-000171 2007-001319 3404-001152
Design LOC
R347 R348 R349 R350 R354 R356 R400 R401 R402 R403 R404 R405 R406 R407 R408 R411 R414 R415 R416 R417 R418 R419 R420 R421 R422 R423 R426 R427 R428 R429 R430 R431 R433 R437 R440 SW1
SAM SU N G Pr i ar C ont s m ay change w ihoutnotce opret yent t i
This Document can not be used without Samsung's authorization
SGH-X120 Electrical Parts List
SEC Code
3404-001152 2909-001193 1201-001954 2904-001514 1205-002433 2904-001520 0801-000306 1204-001984 1209-001219 1109-001281 1203-002902 1203-002127 1203-002860 1203-002940 1001-001183 1204-002138 0406-001169 0406-001169 0406-001169 0407-000115 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 0406-001169 1405-001082 1405-001082
Design LOC
SW2 U100 U101 U102 U103 U104 U105 U200 U202 U203 U300 U301 U302 U400 U401 U402 ZD301 ZD302 ZD303 ZD306 ZD307 ZD308 ZD309 ZD310 ZD311 ZD312 ZD313 ZD314 ZD315 ZD316 ZD317 ZD318 ZD319 ZD320 ZD321
SEC Code
0403-001427 1405-001082 1405-001082 0403-001518 0403-001518 0403-001518 0406-001169 1405-001082 1405-001082 1405-001082 1405-001082
Design LOC
ZD322 ZD400 ZD401 ZD402 ZD403 ZD404 ZD405 ZD406 ZD407 ZD408 ZD409
GH09-00025A U201
4-4
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5. SGH-X120 Block Diagram
V_BAT JIG_ON TA_VEXT I/F Antenna Drivers PSC2106 Charger Multi-Function Power Supply SIM Driver V_SIM SIM_RST SIM_CLK SIM_Data SIM_RST SIM SIM_CLK CON SIM_Data VREF CHG Block LTC1734 CHG_DET CHG_ON I_CHG Crystal 32.768 KHz DEBUG SDS CON 18PIN
2V8_RF Contractor V_PAC
Power Mgnt
DLC_DET
V RT C 1 V 8 Cor e 2V 8 D G RF _P ower _EN
PW R_ KEEP
Power I/F DCS GSM SER_CTL RF ASM SHS-C090DR RF Tranceiver SI 420 5 V_BAT TXI_I/O TXQ_I/O AFC I/F CSP1093 Mixed Signal I/F LNA IN RF-BB I/F DSP A[0:8] D[0:15] Control
Power DSP Memory I/F Serial Control System Clock
RTC KEY
KB _ CO L[ 0:4 ]
Trident
Keypad
K B _ RO W [0 :4 ]
PAD
Core Memory I/F
A[1:23] D[0:15]
Control
GSM PAM RF3140 DCS P_CTL TX_EN 2 TX_BAND_SEL SW_EN 3 TX_PWR CLK13M_RF OSC 13MHz CLK13M_YMU V_BAT
5-1
256Mbit Flash Memory Power AMP I/F RF-IF Synthesizer RF Block Enable DAI Audio I/F 38F3350WWZD 64Mbit SRAM
OLED PM12FF005A
RF_EN
CLK13M_TR
V_BOOST BOOST Block LM2733XMFX
C LK1 3M_ MC
SPK MIC Sound Generator YMU 765 Analog Switch MAX4684 MIC-SPK Ear-Jack V_BAT
SAM SU N G Pr i ar C ont s m ay change w ihoutnotce opret yent t i
This Document can not be used without Samsung's authorization
6. SGH-X120 PCB Diagrams
1. Main Top Diagram
H4
SW 1
ZD 312
SW 2 C 131 R 105R 104R 106
C110R108
C402
C226 R320 C234 R226 R225 C233
U 302
R 107 C 112
Q 400
C 322
C 323
C324 C203 R357 C318 R356 C224 C319R321 C231
LED 300
R403R401 D 400 R402C404
C101
CO N 101
C104
C 100 R 100
L400
C321
C 406 C 401 R 400
Q 301
C317
C 316
U 301
C 225
U 101
R309 C315 C313
U 202 R 216 R 419 C 229 R 208 R 218 C 206 C 232 C 230
CN 100
L100C109
L105
C102
Q 300
C124 L104
U 100
C125
U 201
U 203
C 106
R 102R101R 103
C 129
U 105
R 316 C 305
ZD 322 C 329 R317 ZD R315 319 ZD 303R314 R313R 311 R 301 R312R 310 R 300 R 308 R 302ZD 302 307 R R 303 R 306 R 305 ZD 301 R 304
ROM2EN C SR AM EN CS
U 300
C123R109R114
O SC100
C130 R111
C 114 C 113 C 119 116 C
C 121C 122C 120
CN 302
U 104 U102
C304 C308
C306
C117
C107
C118
C115
C330C320
ZD 403 ZD 402
U 103
L103
L102
ZD 306
C223R219C214R213
C 447 ZD 406 448 C C 405
C103
R 354
C 409
ZD 400 ZD 401
U 402
U 200
C421 C420
C 407 C 415
C419 C416 R406
C418
L404C450C209 C454R426C212 C452C451C211 ZD 407 R422C208 C444 C439 Q 401 R416 C437 R421R415 C477C434 R440 C476 R434 R425
U 401
C301
R431R430 C453C456 L403L402
C 455
R432 C449
ZD 408
R 423 C 446
R429
6-1
SAM SU N G Pr i ar C ont s m ay change w ihoutnotce opret yent t i
This Document can not be used without Samsung's authorization
H3
C 445
H2
C 441
R 428 R 433
R 411R 408
C325
R405 C424
C 429 R 407 C425 R 404
C300 C302
C303
C N 401
C 430
C417
M1
ZD 405
C 442
R420 R417 C438 C457 C443 C435 R427 C436 L401 R418 C440
R424 R435
C431
C 408 C 410
Q 203 Q 202
C 217 R 212 R 211 R 210 R 209 C 215
C 433 R 414 C 432
C N 300
R 318
R355
ZD 409
C216 C221 C210 C219 R 214 C204 R200 C220 R215 C213 C218 C222
F400
Q 200 Q 201
C309
ZD 404
C307
C314
CN 301
R 113C 126 R 112 C 127 C 128 R 110
C207 R201 R217 C228 C202 R222 C200 R223 R221 C227 R220 C201 R228 R227 C235 R229 R224 C205
R437
R319
C 105 C 111 C 108
R 324R 322 C 327 Q 303
C SR OM EN
C403
U400
C312
C311
C310
R 323
Q 302
C328
O SC 200
H1
C 326
2. Main Bottom Diagram
SPK400
CN 400
R333
ZD 307
ZD 320
R 342 LED 304 M EN U
C 473 C 472 C 471 C 470 C 469 C 468 C 467 C 466 C 465 C 464 C 463 C 462 C 461 C 460 C 459 C 458
6-2
ZD 321
UP
LED 305 R 343 STO
R329
ZD 308
LED 301 R 338 R334
ZD 317
G RI H T LEFT I
R 203 R 204 R 202
R 205 R 206 R 207
R 340
R 344
1 2
LED 306
LED 307
LED 303
R 341
R 347
LED 310
R 345
R 346
ZD 311
R337
ZD 314
7 8 R350 LED 302 R 339 R 348 LED 311
ZD 313
LED 308
LED 309
This Document can not be used without Samsung's authorization
SAM SU N G Pr i ar C ont s m ay change w ihoutnotce opret yent t i
SEN D 4 R336
ZD 315
LED 312 R 349 LED 201 DO W N LED 200 PW R
ZD 318
C LEAR
R 335
ZD 316
G N D _1
C P_TM S
3
D S P_TM S
F_W E_1
C P_TD O
D S P_TD O
6 5
R ST
C P_TD I
DSP_TD I
C P_TC K
R325
D S P_TC K
9
R 327
ZD 309
R 326
ZD 310
*
0
SH AR P
M IC_P
SGH-X120 PCB Diagrams
M IC _M
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. Oct. 2004 Printed in Korea.
Code No.: GH68-05516A BASIC.