LG 50UL3G Service Manual page 22
Chassis : uw92j
Hide thumbs
Also See for 50UL3G:
- Owner's manual (146 pages) ,
- Manual (12 pages) ,
- Installation manual (12 pages)
Advertisement
Standard Repair Process
Error
Monitor Signage
symptom
No audio
Screen normal
C. Audio error
No audio/ Normal video
Check user
menu >
Off
Speaker Out
Y
Cancel OFF
Check Speaker
disconnection
☞A4
Check 13.2V of
N
Power Board
Replace Power Board and repair parts
N
Disconnection
Y
Replace Speaker
7
Established
date
Revised date
Y
Normal
voltage
N
Replace MAIN Board
End
Copyright ⓒ 2020 LG Electronics Inc. All rights reserved.
Only training and service purposes.
7/13
Advertisement
