LG OLED55B9PUA

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 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-1/10
Example of Symptom (Image error) A-2/10
Example of Symptom (Main) A-3/10
Example of Symptom (Main) A-4/10
Example of Symptom (Main) A-5/10
Example of Symptom (Module) A-6/10
Example of Symptom (Module) A-7/10
Example of Symptom (Module) A-8/10
Example of Symptom (Module) A-9/10
Example of Symptom (Power board) A-10/10
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