Sim & Usd Trouble - LG GX500 Service Manual

GX500 Operational Description
4.9 SIM & uSD trouble
SIM Check Points
-Power is working
-Socket soldering
-Proper SIM is used
Pin 13 /
2V9_SIM
Pin 12 /
SIM_CLK
Figure 4-23. SIM CLK
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Figure 4-22. SUB FPCB Assy
Pin 11 / SIM_IO
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4. TROUBLE SHOOTING
Revision A
Check
soldering
all pin of
socket
LGE Internal Use Only
LGE Property