LG GD510 - Page 70

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5. Trouble shooting
GD510 Operational Description Revision A
LG Electronics 76/113 LGE Property
START
TP1(VBAT) of U301 and
TP2(Pin1) is high?
Check PWM Signal
(TP3&TP4) is OK?
Check U303 or
replace it
Check U302&U303
or replace it
Yes
No
No
Check Vibrator Solder point
Yes
Replace Vibrator
Assemble