47LV355T-ZC (CHASSIS:LD11U) - LG TV Service Manual (repair manual). Page 59

Read LG 47LV355T-ZC (CHASSIS:LD11U) Service Manual online

No audio
Screen normal
Check user 
menu  > 
Speaker off
Off
N
Y
Cancel OFF 
Check audio B+ 
20V or 24V of 
Power Board
Normal
voltage
Y
N
Replace Power Board and repair parts
Check 
Speaker 
disconnection
N
Y
Replace Speaker 
Replace MAIN Board
End
C. Audio error
No audio/ Normal video  
A24
A25
Disconnection
Established
date 
Revised date 
8/13
LCD  TV
Error
symptom
Standard Repair Process
8
2010. 2 .19
Page of 89
Display

Click on the first or last page to see other 47LV355T-ZC (CHASSIS:LD11U) service manuals if exist.