Sim Card Trouble - LG 410G Service Manual

4.12 SIM Card Trouble

TEST POINT
Check Points
-Socket soldering
-Proper SIM is used
SIM_CLK
CIRCUIT
SIM_PW_CTL
TP3
SIM_IO
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Only for training and service purposes
TP3
TP1
V_SIM
TP2
R130
10K 4
GND1
5
VPP
6
IO
10
GND5
9
C145 GND4
D101
22p
TP4
IO
CLK
SIM_IO
TP4 TP5
TP6
J100
1
VCC
2
RST
3
CLK
7
GND2
8
GND3
D102
-55-
- 59 -
4. TROUBLE SHOOTING
TP5 TP6
GND
VPP
RST
VCC
SIM_VCC
V_SIM
SIM_RST
SIM_CLK
C146 C147
D103
0.1u 22p
LGE Internal Use Only
TP1
TP2