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Flow Chart of Troubleshooting
<RF CONNECT>
ANT102
ANT101
C162
C160
C161
VRFRX1_2.65V
R108
GSM_ANT_SEL0_N
R109
GSM_ANT_SEL1_N
R110
GSM_ANT_SEL2_N
GND
GND
R_BIAS1
VDDA
V_TUNE1
VDDA
TCXO
VDDA
VDDA
RX_QP
RX_QN
RX_IP
RX_IN
SSBDT
RFS100
L118
C116
C172
C128
C129
C130
C164
C132
C111
C171
C112
C174
L115
C141
GPCS_INN
U101
GPCS_INP
WMIX_LNN
WMIX_LNP
EGSM_INN
EGSM_INP
GCELL_INP
GCELL_INN
WLNA_OUT
R111
C134
C143
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C163
<RF SWITCH>
L102
DUF100
19
ANT
10
3
VDD
GSM1900_RX1
4
GSM1900_RX2
14
1
VC1
GSM1800_RX1
13
2
VC2
GSM1800_RX2
12
5
VC3
GSM900_RX1
11
6
VC4
GSM900_RX2
7
GSM850_RX1
25
8
GSM850|900_TX
GSM850_RX2
22
GSM1800/1900_TX
15
UMTS1
16
UMTS2
17
UMTS3
G1 G2
G3G4
G6
G8G9
G5
G7
9
18 20
21
23
24
26 27
28
C108
C110
C120
42
DA_LB2_OUT
41
VDDA
40
PWD_DET_IN
39
DCS_INN
38
DCS_INP
37
36
35
34
33
32
31
30
C169
29
R113
C146
C145
9-34
L103
PCS_RXM
C121
L104
*
L105
PCS_RXP
L106
DCS_RXM
L107
L120
L108
DCS_RXP
L109
GSM_RXM
L119
L111
L110
GSM_RXP
UMTS_ANT
EGSM900_TX
VRFTX_2.65V
C114
C115
UMTS850_TX
PWR_DET
DCS_RXM
DCS_RXP
PCS_RXM
PCS_RXP
GSM_RXM
GSM_RXP
VSYNT_2.6V
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