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4.6 Vibrator Trouble
CHECKING FLOW
SETTING : Enter the engineering mode, and set vibrator on at vibration of BB test menu
START
Is the voltage at pin 2
of Q300 high?
YES
Is the voltage at pin 4
of Q300 high (VBAT) ?
YES
Check the soldering
of vibrator ?
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
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4. TROUBLE SHOOTING
Check the soldering
Q300
Check the soldering
of Q300
Resolder or Replace vibrator
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
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