LG 37LF2500 - Analog TV

MAIN B’D TU1200
Pin #17 Signal (SIF)
Replace MAIN B’D TU1200
NO
Analog TV Video OK ?
YES
Check MAIN B’D
C231 Signal (SIF)
NO
Replace MAIN B’D IC100
YES
Making
Revision
2009. 2 . 1
20/34
LCD TV
Symptom
Analog TV No Audio Problem
26~42LH2000
32~47LH3000/LH4000