- 64 -
4. TROUBLE SHOOTING
4.12 SIM Card Trouble
Check Points
-Socket soldering
-Proper SIM is used
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
TP1
TP2
TP3
TP6
TP5
TP4
VCC
RST
CLK
GND
VPP
IO
SIM_CLK
SIM_IO
SIM_VCC
TEST POINT
D102
DNI_DIODE_1006
0.1u
C146
22p
C145
22p
C147
DNI_DIODE_1006
D103
V_SIM
10K
R130
VCC
1
5
VPP
J100
3
CLK
4
GND1
GND2
7
8
GND3
GND4
9
GND5
10
6
IO
RST
2
V_SIM
DNI_DIODE_1006
D101
SIM_IO
SIM_CLK
SIM_RST
SIM_PW_CTL
CIRCUIT
TP 1
TP 2
TP 3
TP 4
TP 5
TP 6