Audio Error; No Audio/ Normal Video - LG 42LV3400 Service Manual
Hide thumbs
Also See for 42LV3400:
- Owner's manual (104 pages) ,
- Service manual (72 pages) ,
- Service manual (35 pages)
Table of Contents
Advertisement
Standard Repair Process
Error
LCD TV
symptom
No audio
Screen normal
Copyright © 2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
C. Audio error
No audio/ Normal video
☞A24
Check user
menu >
Off
Speaker off
Y
Cancel OFF
Check
Speaker
disconnection
☞A25
Check audio B+
N
20V or 24V of
Power Board
Replace Power Board and repair parts
N
Disconnection
Y
Replace Speaker
8
Established
date
Revised date
Y
Normal
voltage
N
Replace MAIN Board
End
8/13
LGE Internal Use Only
- Quick Links:
- Service Manual
- Specification
Hide quick links:
Advertisement
Table of Contents
