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Flow Chart of Troubleshooting
PCSRX_A
L106
L107
L111
L112
PCSRX_B
DCSRX_A
L115
L118
DCSRX_B
GSM900RX_B
L125
L129
GSM900RX_A
L120
GSM850RX_B
ZD101
ZD100
L124
GSM850RX_A
GSM1900_OUT
6
7 GSM1900_OUT
GSM1800_OUT
8
9 GSM1800_OUT
IN
1
F100
L119
6 GSM900_OUT
7 GSM900_OUT
8 GSM850_OUT
9 GSM850_OUT
IN
1
L126
F101
PA_HB
PA_LB
TX MODULE(FEM+PAM)
C204
C203
L12 2
L123
R313
L120
L124
R314
L128
ZD101
L129
ZD100
F101
C351
L126
C146
C244
C243
PAM100
C124
R116
R112
C151
C147
RFS100
C135
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L108
L109
C134
GND
C144
22
RX1
VBATT
17
11
RX0
18
GPCTRL1
10
C146
NC
GPCTRL0
19
9
GND
13
PAM100
NC
TX_EN
12
8
GND
R112
6
GND
VRAMP
5
7
GND
3
GND
GND
1
24
GND
23
C151
GND
21
C124
R116
R117
C138
L116
L111
L117
L107
C213
C241
L118
L106
C212
C228
F100
L119
C208
C144
C226
C205
C207
L108
L110
9-20
RFS100
ANT100
C133
C132
L110
C135
L113
VBAT
VC2
VC1
C147
TX_EN
AUXDAC
ANT101
L114
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