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LCD TV
Symptom
Check Signal format
Is it supported?
YES
Check the RCA Cable
YES
Check MAIN B'D R420
Video Signal ?
YES
Check MAIN B'D C217
Video Signal ?
YES
Replace MAIN B'D IC 100
Copyright ⓒ 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
AV1 (CVBS) No Video
Problem
MAIN B'D JK402 Check
NO
Replace
MAIN B'D C217
NO
Making
Revision
Replace MAIN B'D JK402
NO
2009. 2 . 1
5/25
LGE Internal Use Only
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