LG -A258 Service Manual page 86

4. TROUBLE SHOOTING
CHECKING FLOW
SETTING : Enter the engineering mode, and set vibrator on at vibration of BB test menu
START
NO
Check the contacted
Replace vibrator
of vibrator ?
YES
NO NO
Replace the U101
Is the voltage at TP1 high? Is the voltage at TP2 high?
YES
YES
Vibrator
Working well !
Replace the C147
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