LG MG180C Service Manual page 60

START
Signal of pin3 of Q 300
is O K?
Yes
Pin1 of Q 300 is 0V ?
Yes
Check th e solder ing of
R306
Yes
Cable of vibrator is OK?
Yes
Vibrator is out of order.
Change th e Vibrat or.
Enter into Engineering Mode
and select Vibrator
No
Voltage of R318
is 2. 8V
No
Check th e solder ing of
R306
Yes
No
Re_sold er R306
No
Not conne ction
Change th e Vibrator.
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4. TROUBLE SHOOTING
No
Change the board
Yes
Change th e Q300
No
Re_sold er
R306
Change th e Q300