Advertisement
Standard Repair Process
Error
symptom
No Video/
No audio
A. Video error
No video/ No audio
☞A9
Check various
Normal
voltages of Power
voltage?
Board (13.2V...)
Replace Power
Board and repair
parts
Established
Revised date
Y
Check and
replace
MAIN B/D
N
2
date
End
Copyright © 2020 LG Electronics. Inc. All rights reserved.
Only for training and service purposes.
Advertisement
