LG LG-P970 - Page 138

4. TROUBLE SHOOTING
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Battery voltage higher than
3.70V(OCV)?
Change or charging the Battery
No
Yes
Change the Main board
Press PWR Key R409(TP1)
high to low
Check the USB FPCB
No
Yes
Power Key is Damaged?
Change USB FPCB
No
Yes
is clock OK?
X402: 32.768Khz
Change the TCXO and X-tal
No
Yes
TP2, TP3, TP4,
TP5, TP6, TP7, TP8, TP9,
Power up?
Change the Main board
No
Yes