Sim Detect Troubleshooting - LG CT815 Service Manual

4. TROUBLE SHOOTING

4.13 SIM Detect Troubleshooting

USIM Initial sequence of CT815 is :
SIM_CLK,SIM_RST,SIM_IO triggered
Re-insert the SIM card
VRUIM_3.0V is 2 .85V?
Change the Sub board
LGE Internal Use Only
→
VRUIM_3.0V go to 2.8V
Start
Work w ell?
No
SIM_CLK i s run?
YES
Change SIM card
Work w ell?
No
→
SIM IF work
Yes
End
NO
Check J10 0
Yes
End
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