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4. TROUBLE SHOOTING
4.12 SIM Card Trouble
TEST POINT
Check Points
-Socket soldering
-Proper SIM is used
SIM_CLK
CIRCUIT
SIM_PW_CTL
SIM_IO
LGE Internal Use Only
TP3
SIM_IO
V_SIM
TP 1
R130
10K
4
GND1
TP 2
5
VPP
6
IO
10
TP 3
GND5
GND2
9
GND3
C145
GND4
D101
22p
- 68 -
TP4
TP5
IO
VPP
RST
CLK
V_SIM
TP 4
J100
TP 5
TP 6
1
VCC
2
RST
3
CLK
7
8
D102
D103
Copyright © 2008 LG Electronics. Inc. All right reserved.
TP6
GND
TP1
VCC
TP2
SIM_VCC
SIM_RST
SIM_CLK
C146
C147
0.1u
22p
Only for training and service purposes
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