LG 32LH2000-ZA - AV3 (CVBS) Video Issues; Signal Format and CVBS Cable Checks

Check Signal format
Is it supported?
Check the CVBS Cable
YES
MAIN B’D JK402 Check Replace MAIN B’D JK402
YES
NO
Check MAIN B’D R400
Video Signal ?
NO
YES
Check MAIN B’D C217
Video Signal ?
Replace MAIN B’D C217
NO
Replace MAIN B’D IC 100
YES
Making
Revision
2009. 2 . 1
LCD TV
Symptom
AV3(CVBS) No Video Problem
26~42LH2000
32~47LH3000/LH4000
10/34