Table of Contents
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CHECKING FLOW
START
Check TP1 to make sure the
connection between speaker and
board
Yes
Check TP2 to see the audio
signal
Yes
Check, TP3 is VBAT?
Yes
Is speaker properly
working?
Yes
Speaker
Working well!!
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Connect well the Speaker
No
connector.
No
Change the U102
Change the main
No
board
No
Change U201
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4. TROUBLE SHOOTING
LGE Internal Use Only
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