LG GB220 - Page 89

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LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
START < Cal
l >
Check the state of
contact of speaker
Speaker
Working well!!
Check the Audio signal
C202,C204
No
Yes
Change the U101
Replace/Change speaker
No
CHECKING FLOW
Check the Audio signal
L304,L305
No
Replace/Change the U200
Yes
Yes
START < Mp3>
Check the state of
contact of speaker
Speaker
Working well!!
Check the Audio signal
C202,C204
Yes
Check the Audio signal
L304,L305
Yes
Yes
No
No
No