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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 connection of
TP1 with TP2 connector ok ?
Is I/O Connector(CN102)
well-soldered ?
Is the voltage at
TP4 high?
Is the voltage at
TP3 high?
Replace vibrator
Vibrator
Working well !
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Only for training and service purposes
NO
NO
YES
NO
YES
NO
Replace the U102
YES
NO
Replace Main FPCB
YES
YES
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4. TROUBLE SHOOTING
4. TROUBLE SHOOTING
Resolder the Pad.
Reassemble FPCB
with Main connector
Resolder the CN102
(PIN20 : F_VIB)
LGE Internal Use Only
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