Read LG 47SL80YD-DA (CHASSIS:LT91T) Service Manual online
Check the RCA Cable
YES
Check MAIN B’D
C2008, C2009
MAIN B’D
C2008 (Right Sound)
C2009 (Left Sound)
signal ?
YES
NO
Replace MAIN B’D IC 100
AV2 Video OK ?
YES
Check MAIN B’D JK402
Replace MAIN B’D JK402
NO
YES
Making
전자 - 6-2
Revision
2009. 2 . 1
17/25
LCD TV
Symptom
AV2 No Audio Problem
Click on the first or last page to see other 47SL80YD-DA (CHASSIS:LT91T) service manuals if exist.