LG KP260 - Page 68

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4. TROUBLE SHOOTING
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Check TP1 to make sure the
connection between speaker
and board
Speaker
Working well!!
Check TP2 to see the audio
signal
No
Yes
Change the U102
Connect well the Speaker
connector.
No
Check, TP3 is VBAT?
No
Yes
Change the main
board
Yes
Is speaker
properly working?
No
Change U200
Yes
CHECKING FLOW