LG KG270 Service Manual - Page 58
Change PCB, Enter the engineering mode, and set vibrator on., R306=2.8V, R308=0.7V, Q300.PIN3=0V,
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4. TROUBLE SHOOTING Checking Flow START Enter the engineering mode, and set vibrator on. R306=2.8V Check Voltage Level of NG R308=0.7V R306/R308 Change PCB OK Q300.PIN3=0V Check Voltage Level of NG R305=0V Q300.PIN3 and R305 Change Q300 OK Replace Vibrator - 59 -
4. TROUBLE SHOOTING
- 59 -
Check Voltage Level of
R306/R308
OK
NG
OK
Change PCB
Enter the engineering mode,
and set vibrator on.
R306=2.8V
R308=0.7V
Check Voltage Level of
Q300.PIN3 and R305
Q300.PIN3=0V
R305=0V
Change Q300
NG
Replace Vibrator
START
Checking Flow