- 132 -
4. TROUBLE SHOOTING
LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4.13 SIM Detect Troubleshooting
USIM Initial sequence of CT815 is :
SIM_CLK,SIM_RST,SIM_IO triggered
→
VRUIM_3.0V go to 2.8V
→
SIM IF work
Start
Work w ell?
VRUIM_3.0V is 2 .85V?
SIM_CLK i s run?
Change the Sub board
End
Check J10 0
Yes
No
YES
NO
Re-insert the SIM card
Change SIM card
Work w ell?
End
Yes
No
Summary of Contents for CT815
Page 1: ...Date May 2009 Issue 1 0 Service Manual Model CT815 Service Manual CT815 Internal Use Only ...
Page 221: ...Note ...
Page 222: ...Note ...