LG GD510 - SIM & Usd Trouble

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Only for training and service purposes
5. Trouble shooting
GD510 Operational Description Revision A
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5.10 SIM & uSD trouble
SIM Check Points
-Power is working
-Socket soldering
-Proper SIM is used
Pin C1 /
2V9_SIM
Pin C3 /
SIM_CLK
Pin C7 /
SIM_IO
Check
soldering
all pin of
socket
C1
C3
C7