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Flow Chart of Troubleshooting
RFS100
RFS101
L123
C168
GSM850_900
L107
GSM1800_1900
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+
R101
PAM_RFOUT_G850_EGSM
R102
PAM_RFOUT_DCS_PCS
GSM_PA_EN
R105
R106
R104
1
VDDA2
2
TCXO
3
VDDA1
4
VDDA1
5
VTUNE1
6
VDDA1
7
VDDA2
8
VDDA2
9
VTUNE_GPS
10
VDDA1
11
PRX_QP
12
PRX_QN
13
PRX_IN
14
PRX_IP
15
DRX_QP
16
DRX_QN
17
DRX_IP
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
8
9
GSM850_900
GSM_IN
GSM_OUT
1
16
DCS|PCS_IN
DCS_OUT
GSM1800_1900
3
2
TX_EN
BS
GSM_PA_BAND
R103
C125
C126
51
GCELL_INN
50
GCELL_INP
49
EGSM_INN
48
EGSM_INP
47
DCS_INN
46
DCS_INP
45
U100
GPCS_INN
44
GPCS_INP
43
VDDA2
42
GPS_IN
41
C138
WDRXLB
40
C141
WDRXHB1
39
WDRXHB2
38
WPRXSE1
RTR_W1900_RX
37
VDDA2
36
WPRXSE2
RTR_W2100_RX
35
WPRXSE1_OUT
L117
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
PAM_RFOUT_W2100_W1900
PAM_RFOUT_W850
PAM_RFOUT_DCS_PCS
C127
PAM_RFOUT_G850_EGSM
C128
PWR_DET
RX_GSM850_N
RX_GSM850_P
RX_EGSM900_N
VREG_PA_2.1V
RX_EGSM900_P
RX_DCS1800_N
RX_DCS1800_P
RX_PCS1900_N
RX_PCS1900_P
RX_GPS
C139
C142
L115
R114
F100
OUT
C144
C169
1
IN
OUT
G
G
2
5
R117
F101
C170
OUT
L119
1
IN
OUT
G
G
2
5
9-40
C140
C143
WCDMA_RXM_1900
3
4
C145
WCDMA_RXP_1900
C153
WCDMA_RXM_2100
3
L120
4
C155
WCDMA_RXP_2100
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