LG 55UJ6540 Service Manual page 96

Standard Repair Process Detail Technical Manual
symptom
Content
You can view 6 types of patterns using the ADJ Key
Checking item : 1. Defective pixel
4.Video error (Classification of MODULE or Main-B/D!)
Error
A. Video error_Color error
Adjustment Test pattern - ADJ Key
2. Residual image
Established
Revised
3. MODULE error (ADD-BAR,SCAN BAR..)
A23
date
date
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A8