Samsung GT-S3370 Service Manual page 44

Flow Chart of Troubleshooting
GSM_ANT_SEL0_N
GPIO_62|ANT_SEL_0
P6 B16
GSM_ANT_SEL1_N GPIO_61|ANT_SEL_1|WDOG_DISABLE
P6 A17
GSM_ANT_SEL2_N
GPIO_60|ANT_SEL_2
P6 B17
GSM_ANT_SEL3_N
GPIO_59|ANT_SEL_3
P5 E15
MOT_EN
GPIO_58|GPS_ADCQ
P5 B15
GPIO_57|GPS_ADCCLK
P5 A14
UART1_SEL
GPIO_56|GPS_SSBI
P5 F14
GPIO_55|GPS_ADCI
ANT
GSM RX
GSM TX
DCS 1800 RX
DCS 1800 TX
PCS 1900 RX
PCS 1900 TX
WCDMA 2100 RX
WCDMA 2100 TX
WCDMA 900 RX
WCDMA 900 TX
POWER
L117
ANT101 ANT102
1 1
1 1
2 2
2 2
L120
C115
GSM_ANT_SEL0_N
GSM_ANT_SEL1_N
GSM_ANT_SEL2_N
GSM_ANT_SEL3_N
C434 L404
C433
C410
L402
C443
VR300 C446
R306 C405 C406
C308
OSC400
TCX200
L70 2 L703 C215 R205
HHOLE100
HSED_BIAS_1.8V
VREG_GP1_2.85V
RFS100
C108
C107
C111
L101
12
11 GSM850|EGSM_TX
GSM850_RX
13
GSM850_RX
14
EGSM_RX
15
EGSM_RX
16
9 PCN|PCS_TX
PCN_RX
17
FEM100
PCN_RX
18
PCS_RX
19
PCS_RX
R103
3 CTRL1
R104 20
4
CTRL2 WCDMA
R105 22
5 CTRL3
WCDMA
R106
6
CTRL4
R107
UCP 300
L213
L110
C123
C415 C437
L212
C238
C438
L219
C436
L400
R107
L217
L201
C432
C207
DUF200
C213
C203
R204 C214
L117
C115
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EBI2_A_D_9
EBI2_D(9)
D3
EBI2_A_D_8
EBI2_D(8)
E3
EBI2_A_D_7
EBI2_D(7)
B3
EBI2_A_D_6
EBI2_D(6)
C2
EBI2_A_D_5
EBI2_D(5)
B1
EBI2_A_D_4
EBI2_D(4)
C1
EBI2_A_D_3
EBI2_D(3)
D2
EBI2_A_D_2
EBI2_D(2)
D1
EBI2_A_D_1 EBI2_D(0:15)
EBI2_D(1)
E1
EBI2_A_D_0
EBI2_D(0)
ANT
GSM RX
GSM TX
DCS 1800 RX
DCS 1800 TX
PCS 1900 RX
PCS 1900 TX
WCDMA 2100 RX
WCDMA 2100 TX
WCDMA 900 RX
WCDMA 900 TX
FEM
L102
GSM850_RXM
C117 L104
L103
GSM850_RXP
L106
DCS_RXM
C119
L107
L108
DCS_RXP
L109
PCS_RXM
L110
C123
L111
PCS_RXP
UMTS2100_ANT
U900_RTX_G900_RX_ANT
C416
C441
C201
C236
R209
R208
L107 L104
C119 C117
FEM100
C107
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