LG GB220 - Page 79

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