LG -P970 Service Manual page 138

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Battery voltage higher than
3.70V(OCV)?
Yes
Press PWR Key R409(TP1)
high to low
Yes
Power Key is Damaged?
Yes
TP, TP3, TP4,
TP5, TP6, TP7, TP8, TP9,
Power up?
Yes
is clock OK?
X40: 3.768Khz
Yes
Change the Main board
LGE Internal Use Only
No
Change or charging the Battery
No
Check the USB FPCB
No
Change USB FPCB
No
Change the Main board
No
Change the TCXO and X-tal
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4. TROUBLE SHOOTING
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