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Flow Chart of Troubleshooting
PCSRX_A
L103
L104
L105
L106
PCSRX_B
DCSRX_A
L107
ZD103
L111
DCSRX_B
L122
GSM900RX_A
L118
GSM900RX_B
L117
GSM850RX_A
ZD101
L113
GSM850RX_B
C343
R308
R307
R306
R106
R107
R105
C122
ZD102
BAL2
6
7 BAL2
BAL1
8
9 BAL1
UNBAL
1
F100
GSM900_OUT
6
GSM900_OUT
7
GSM850_OUT
8
GSM850_OUT
IN 1
9
F101
ZD100
TX MODULE(FEM+PAM)
ZD101
ZD100
F101
L119
C119
PAM100
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RFS100
C152
L109
L112
L114
C118
RX1
17
RX0
18
C119
L119
NC
19
GND
13
PAM100
NC
12
GND
6
GND
5
GND
3
GND
1
R106
PA_HB
R107
PA_LB
L110
L108
ZD103
ZD102
F100
C118
L109
L114
C117
C120
9-19
ANT100
ANT101
3
3
3
3
2
2
2
2
1
1
1
1
L102
C111
C112
C113
C151
C117
GND
22
VBATT
VBAT
11
GPCTRL1
VC2
10
GPCTRL0
VC1
C120
9
TX_EN
TX_EN
8
R105
VRAMP
AUXDAC
7
GND
24
GND
23
C122
GND
21
R218
C232
C112
C113
C111
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