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