Read LG 42SL8000-ZB / 42SL8500-ZA (CHASSIS:LD91K) Service Manual online
- 24 -
21. AV3 No Audio Problem
Check the RCA Cable
YES
Check MAIN B’D
C2011, C2012
MAIN B’D
C2011 (Right Sound)
C2012 (Left Sound)
signal ?
YES
NO
Replace MAIN B’D IC 100
AV2 Video OK ?
YES
Check MAIN B’D P402
Replace MAIN B’D P402
NO
YES
22. Component No Audio Problem
Check the Component Cable
YES
Check MAIN B’D
C2013, C2014
MAIN B’D
C2013 (Right Sound)
C2014 (Left Sound)
signal ?
YES
NO
Replace MAIN B’D IC 100
Component Video OK ?
YES
Check MAIN B’D JK400
Replace MAIN B’D JK400
NO
YES
Click on the first or last page to see other 42SL8000-ZB / 42SL8500-ZA (CHASSIS:LD91K) service manuals if exist.