LG KP175 - SIM Card Interface Trouble

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Only for training and service purposes
4. TROUBLE SHOOTING
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4.10 SIM Card Interface Trouble
TEST POINT
CIRCUIT
J400
R401
C324
Figure 4.10
15K
R401
C404
1000p
2V85_VSIM
DNI
C403
220n
C401
2
C2
C3
3
4
C5
C6
5
C7
6
GND1
7
8
GND2GND3
9
10
GND4
C402
J400
1
C1
DNI
2V85_VSIM
R402
0
SIM_DATA SIM_CLK
SIM_RST