LG 32LG2100 Service Manual page 50

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