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Flow Chart of Troubleshooting
9-25
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C
5
3
2
VREG_USIM_3.0V
G
9
10
G
1
1
2
2
3
3
4 4
5
5
6 6
G
7
8
G
SIM500
C
5
3
0
R515
SIM_CLK
SIM_RST
SIM_IO