LG GB220 - SIM Card Interface Trouble

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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4. TROUBLE SHOOTING
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4.13 SIM Card Interface Trouble
TEST POINT
CIRCUIT
Figure 4.13.1
PIN 6
PIN 4
PIN 3
PIN 1
C219
J200
SIM
C222
1000p
6
C7
7
GND1
GND2
89
GND3
GND4
10
J200
C1
1
C2
2
3
C3
C5
4
5
C6
0
4.7K
R220
R219
2V85_VSIM
C221
DNI
C220
DNI
2V85_VSIM
220n
C219
SIM_RST
SIM_CL
K
SIM_DATA