Only For Training And Service Purposes - LG GM200 Service Manual

CHECKING FLOW
SETTING : Enter the engineering mode, and set vibrator on at vibration of BB test menu
START
Check the soldering of
L108,R141,C171, Q102
Is the voltage at pin 3
of Q102 toggled?
(TP1)
YES
Is the voltage at pin2
Of Q102 toggled?
(TP2)
YES
Connection of vibrator
Is good ?
Replace vibrator
Vibrator
Working well !
LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.

Only for training and service purposes

NO
NO
NO
YES
YES
- 87 -
4. TROUBLE SHOOTING
Check the soldering
or replace Q102
Replace the main board.
Reconnect vibrator
LGE Internal Use Only