LG OLED55B8STB User Manual

Contents of Standard Repair Process Detail Technical Manual
No. Error symptom Content Page Remarks
1
A. Video error_ No video/Normal audio
Check Vx1 lock / BDP A1
2 Check White Balance value A2
3
A. Video error_ video error /Video
lag/stop
Tuner input signal strength checking method A3
4
Version checking method A4
5 Tuner Checking Part A5
6
A. Video error_Vertical/Horizontal bar,
residual image, light spot
Connection diagram A6
7
A. Video error_ Color error
Check Link Cable(Vx1) reconnection
condition
A7
8 Adjustment Test pattern - ADJ Key A8
9
<Appendix>
Defected Type caused by Cable / Main
Board / Module
Example of Symptom (Image error) A-1/9
Example of Symptom (Image error) A-2/9
Example of Symptom (Main) A-3/9
Example of Symptom (Main) A-4/9
Example of Symptom (Main) A-5/9
Example of Symptom (Module) A-6/9
Example of Symptom (Module) A-7/9
Example of Symptom (Module) A-8/9
Example of Symptom (Module) A-9/9
Copyright © 2018 LG Electronics. Inc. All rights reserved.
Only for training and service purposes

LG OLED55B8STB Specifications

General

Brand	LG
Model	OLED55B8STB
Category	OLED TV
Language	English