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Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
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Troubleshooting Flow
Start
Check the pin and Insert
a Battery and TA
Connection OK?
Change 18pin connector
(CON801)
C808 is 5V?
Change a TA
Pin 1 of U804 is 5V?
Change a U804
No
YES
No
YES
No
Pin 1 of U802 is 5V?
Change a U802
No
YES
Change a U805
No
YES
R414 is 5V?
YES
Change a main Board