No Video/ No Audio - LG 42LB65 Series Service Manual
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Also See for 42LB65 Series:
- Owner's manual (364 pages) ,
- Owner's manual (242 pages) ,
- Owner's manual (254 pages)
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Standard Repair Process
Established
A. Video error
2014.01.20
Error
date
LCD TV
symptom
No video/ No audio
Revised date
2/13
☞A4
Check various voltages
Check and
Y
of Power Board
Normal
No Video/
replace
No audio
voltage?
( 3.5V,12V,20V or 24V...)
MAIN B/D
N
End
Replace Power
Board and repair
parts
3
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