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LCD TV
Component Video OK ?
YES
Check the Component Cable
YES
Check MAIN B'D JK402
YES
MAIN B'D
C229 (Right Sound)
C230 (Left Sound)
signal ?
NO
Check MAIN B'D
C229, C230
Copyright ⓒ 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Component1 No Audio Problem
Symptom
Replace MAIN B'D JK402
NO
Replace MAIN B'D IC 100
YES
Making
2009. 2 . 1
Revision
18/25
LGE Internal Use Only
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