Sim Card Interface Trouble - LG -A100 Service Manual

4.11 SIM Card Interface Trouble

TEST POINT
TP3
CIRCUIT
SIM_DATA_1
LGE Internal Use Only
J201
VSIM_PWR
VSIM_PWR
R232
4.7Kohms
J201
C5
GND1
C6
VPP
TP3
C7
IO
C227
C12
GND5
22pF
C11
GND4
TP2
VSIM_PWR
TP2
C1
VCC
TP3
C2
RST
C3
TP1
CLK
C228
C9
GND2
0.1uF
C10
GND3
TP3
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4. TROUBLE SHOOTING
TP2
TP1
TP1
TP3 SIM_RST_1
SIM_CLK_1
C229
C230
3p
27p
Only for training and service purposes