LG GB210 - SIM Card Interface Trouble

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Only for training and service purposes
4. TROUBLE SHOOTING
TEST POINT
CIRCUIT
Figure 4.10
TP2
TP1
J300
4.11 SIM Card Interface Trouble
SIM_CONNECTOR
2V85_VSIM
C307
DNI
15K
R303
C306
GND1
7
8
GND2GND3
9
10
GND4
DNI
J300
1
C1
2
C2
C3
3
4
C5
C6
5
C7
6
C304
220n
2V85_VSIM
1000p
C308
SIM_RST
SIM_CL
K
SIM_DATA
TP2
TP1