Samsung GT-i8910 Service Manual page 58

R434
6 6
5
4 4
SIM_IO
C432
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VREG_USIM_2.85V
SIM400
1 1
5 2 2
3 3
G G G G
7 8 9 10
C431
C429
C431
C429
9-21
Flow Chart of Troubleshooting
SIM_RST
SIM_CLK
C430