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Flow Chart of Troubleshooting
2-3
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C113
R111
R101
C124
C122
R104
R105
R108
C114
C111
NC
C123
C112
R103
C120
C118
R110
C109
R106
VBAT
R102
17
GND
GSMIN
7
12
GSM_OUT
8 RSVD
5 VBATT
6 VPC
VSUP
4
2 DCS|PCS_IN
DCS|PCS_OUT 14
1 ENA
GND 15
9
GND
13
GND
11
GND
GND 10
PAM100
3 BS
16
COUP_OUT
GSM_OUT
SATDET
DPCS_OUT
PAC_EN
DCS74138_OUT
GSM74138_OUT
VPC
TX_FB
BAND_SEL
C131
NC
NC 5
VCC 6
4
Y
U105
A
2
3 GND
1
R119
R115
C134
C136
R116
R120
VRF_2.9V
C137
C132
CLK13M_YMU
13M_BUF
CLK13M_MC
CLK13M_TR