Advertisement
Flow Chart of Troubleshooting
GSM850_900
GSM1800_1900
1
VDDA2
2
TCXO
GCELL_INP
3
VDDA1
EGSM_INN
4
VDDA1
EGSM_INP
5
VTUNE1
DCS_INN
6
VDDA1
DCS_INP
7
U100
VDDA2
GPCS_INN
8
VDDA2
GPCS_INP
9
VTUNE_GPS
10
VDDA1
11
PRX_QP
WDRXLB
12
PRX_QN
WDRXHB1
13
PRX_IN
WDRXHB2
14
PRX_IP
WPRXSE1
15
DRX_QP
16
DRX_QN
WPRXSE2
17
DRX_IP
WPRXSE1_OUT
RFS100
RFS101
L123
C168
L107
R107
GSM_ANT_SEL0_N
R108
GSM_ANT_SEL1_N
R109
GSM_ANT_SEL2_N
R110
GSM_ANT_SEL3_N
C104
R100
GSM_PA_RAMP+
PAM_RFOUT_G850_EGSM
R102
PAM_RFOUT_DCS_PCS
GSM_PA_EN
R105
R106
C125
C126
C127
C128
51
RX_GSM850_N
GCELL_INN
50
RX_GSM850_P
49
RX_EGSM900_N
48
RX_EGSM900_P
47
RX_DCS1800_N
46
RX_DCS1800_P
45
RX_PCS1900_N
44
RX_PCS1900_P
43
VDDA2
42
RX_GPS
GPS_IN
41
C138
40
C141
39
C142
38
RTR_W1900_RX
37
VDDA2
36
RTR_W2100_RX
35
L115
R114
C169
C144
L117
R117
L119
C170
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
C100
L103
11
12
GSM850|900TX
GSM850RX
13
GSM850RX
14
GSM900RX
15
GSM900RX
9
16
GSM1800|1900TX
GSM1800RX
17
GSM1800RX
18
GSM1900RX
19
GSM1900RX
3
VC1
4
20
VC2
UMTS1
5
21
VC3
UMTS2
6
22
VC4
UMTS3
RFS102
V_BAT
C102
TA100
PAM100
R101
8
9
GSM_IN
GSM_OUT
1
16
DCS|PCS_IN
DCS_OUT
3
2
TX_EN
BS
R104
R103
PAM_RFOUT_W2100_W1900
PAM_RFOUT_W850
PAM_RFOUT_DCS_PCS
PAM_RFOUT_G850_EGSM
PWR_DET
VREG_PA_2.1V
C139
C140
C143
WCDMA_RXM_1900
F100
3
OUT
1
IN
4
OUT
G
G
2
5
C145
WCDMA_RXP_1900
C153
WCDMA_RXM_2100
F101
3
OUT
1
L120
IN
4
OUT
G
G
C155
2
5
WCDMA_RXP_2100
9-50
GSM850_900
GSM1800_1900
GSM_PA_BAND
Advertisement
