LG 49UF6400 Service Manual page 58
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Also See for 49UF6400:
- Service manual (95 pages) ,
- Owner's manual (65 pages) ,
- Easy setup manual (37 pages)
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Standard Repair Process
Error
symptom
No Video/
No audio
Copyright © 2015 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
A. Video error
No video/ No audio
☞A18
Check various voltages
Normal
of Power Board
voltage?
( 3.5V,12V, 24V...)
Replace Power Board
and repair parts
Established
Revised date
Check and
Y
replace
MAIN B/D
N
2
date
End
2/16
LGE Internal Use Only
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