LG GT350 - Page 79

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4. TROUBLE SHOOTING
LG Electronics 76/115 LGE Property
STAR
T
Check PWM
Signal (TP2) is
Check U102 or
replace it
Check U102 or
replace it
Yes
No
No
Check Vibrator contact
Yes
Replace Vibrator
T
P1 is High?
Assemble
Check TP3 & TP4
signal is OK?
No Check U502 or
replace it
Yes