LG 75UQ9000PSD Service Manual page 38

Table of Contents

Advertisement

Standard Repair Process
Error
symptom
Check outlet
Check A/C cord
Check for all
2-
phase
power out
B. Power error
Off when on, off while viewing, power auto on/off
N
Error?
Abnormal
Y
Abnormal
Fix A/C cord & Outlet
and check each
2
phase out
CPU
Replace Main B/D
1
7
Established
date
Revised date
Y
Normal?
End
N
Replace Power B/D
Copyright © 2022 LG Electronics. Inc. All rights reserved.
Only for training and service purposes.

Advertisement

Table of Contents
loading

Table of Contents