LG -600 Series Repair Manual page 21

6. TROUBLE SHOOTING
Failure :
Solution :
- Check the voltage level
of TP515.
- If voltage level < 3.32 v,
U501 is not working.
- If voltage level > 3.32 v,
Go on to the next page.
GSM Handsets Lab.
Power-ON button is not working.
U500
1) TP515 : ON_OFF
21
Battery
U501