LG -600 Series Repair Manual page 22

6. TROUBLE SHOOTING
Failure :
Solution :
- If Pin 1 < 4.2 v,
Replace battery.
- If Pin 5 < 2.8 v,
Replace U207.
Go on to the next page.
GSM Handsets Lab.
Power-ON button is not working.
U207
5
22
Voltage Regulator
1