LG 32LG2100 Service Manual page 60

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