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