Sim Card Interface Trouble - LG KP110 Service Manual

4. TROUBLE SHOOTING

4.9 SIM Card Interface Trouble

TEST POINT
CIRCUIT
SIM SOCKET
SIM_DATA
LGE Internal Use Only
TP1
2V85_VSIM
2V85_VSIM
R217
J201
R218
DNI
4
C5
15K 5
C6
6
C7
10
GND4
C227 9
GND3
DNI
5000-6P-1.8SL
ENSY0018701
Figure 4.9
2V85_VSIM
1
C1
2
C2
3
C3
7
GND1
C229
8 C228
GND2
1000p
220n
Copyright © 2008 LG Electronics. Inc. All right reserved.
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J201
TP1
nSIM_RST
SIM_CLK
C230
DNI
Only for training and service purposes