Samsung GT-B7320L Servise Manual page 40

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