Only For Training And Service Purposes - LG GB220 Service Manual

4. TROUBLE SHOOTING
CHECKING FLOW
SETTING : Enter the engineering mode, and set vibrator on at vibration of BB test menu
Check the soldering
YES
Is the voltage at VB100
(+) high?
Replace vibrator
Working well !
LGE Internal Use Only
LGE Internal Use Only
START
NO
of vibrator ?
YES
YES
Vibrator
Resolder the Pad.
NO
Replace the U101
- 80 - Copyright © 2009 LG Electronics. Inc. All right reserved.
Copyright © 2007 LG Electronics. Inc. All right reserved.

Only for training and service purposes

Only for training and service purposes