LG OLED77C9PTA Service Manual page 42

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Contents of Standard Repair Process Detail Technical Manual
No.
Error symptom
1
A. Video error_ No video/Normal audio
2
3
A. Video error_ video error /Video
4
lag/stop
5
A. Video error_Vertical/Horizontal bar,
6
residual image, light spot
7
A. Video error_ Color error
8
<Appendix>
9
Defected Type caused by Cable / Main
Board / Module
Content
Check Vx1 lock
Check White Balance value
Tuner input signal strength checking method
Version checking method
Tuner Checking Part
Connection diagram
Check Link Cable(Vx1) reconnection
condition
Adjustment Test pattern - ADJ Key
Example of Symptom (Image error)
Example of Symptom (Image error)
Example of Symptom (Main)
Example of Symptom (Main)
Example of Symptom (Main)
Example of Symptom (Module)
Example of Symptom (Module)
Example of Symptom (Module)
Example of Symptom (Module)
Example of Symptom (Power board)
Page
Remarks
A1
A2
A3
A4
A5
A6
A7
A8
A-1/10
A-2/10
A-3/10
A-4/10
A-5/10
A-6/10
A-7/10
A-8/10
A-9/10
A-10/10
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