LG 43LF5900-CB - Page 41

Normal
voltage?
Check voltages of
Power Board
( D13V,A13V)
No Video/No audio
Check and
replace
MAIN B/D
Y
Replace Power
Board and repair
parts
N
End
Standard Repair Process
A. Video error
No video/ No audio
☞A5
Established
date
Revised date
2/13
Error
symptom
2015. 04. 23
2015. 04 .23
Copyright © 2015 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only