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4. TROUBLE SHOOTING
CHECKING FLOW
SETTING : Enter the engineering mode, and set vibrator on at vibration of BB test menu
START
Check the soldering
of vibrator ?
YES
Is the voltage at TP2
(+) high?
Is the voltage at TP1
(+) high?
Replace vibrator
Vibrator
Working well !
LGE Internal Use Only
NO
NO
NO
YES
YES
4. TROUBLE SHOOTING
Resolder the Pad.
Replace the Q400
Replace the U102
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