• Service Manuals |
  • Lg |
  • TV |
  • 55LW5500-ZE, 55LW550T-ZE, 55LW550W-ZE, 55LW551C-ZE, 55LW5590-ZE (CHASSIS:LD12C)

55LW5500-ZE, 55LW550T-ZE, 55LW550W-ZE, 55LW551C-ZE, 55LW5590-ZE (CHASSIS:LD12C) - LG TV Service Manual (repair manual). Page 65

Read LG 55LW5500-ZE / 55LW550T-ZE / 55LW550W-ZE / 55LW551C-ZE / 55LW5590-ZE (CHASSIS:LD12C) Service Manual online

No audio
Screen normal
Check user 
menu  > 
Speaker off
Off
N
Y
Cancel OFF 
Check audio B+ 
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 
9/14
LCD  TV
Error
symptom
Standard Repair Process
9
2010. 12 .14
Page of 70
Display

Click on the first or last page to see other 55LW5500-ZE / 55LW550T-ZE / 55LW550W-ZE / 55LW551C-ZE / 55LW5590-ZE (CHASSIS:LD12C) service manuals if exist.

Random: