Only For Training And Service Purposes - LG KG290 Service Manual

Checking Flow
SETTING : Enter the engineering mode, and set vibrator on at vibration of BB test menu
Copyright © 2007 LG Electronics. Inc. All right reserved.

Only for training and service purposes

START
Check Vibrator contact
Is the voltage
at pin 1
of Q300 near
0V?
Yes
Check the soldering of
vibrator at upper board
Yes
Replace Vibrator
Vibrator will work
properly
- 73 -
4. TROUBLE SHOOTING
No
Check Q300 or
replace it
No
Resolder vibrator
LGE Internal Use Only