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LG 55UB820T Service Manual page 77

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Standard Repair Process Detail Technical Manual
Error
Established
A. Video error_Color error
2014.02.14
symptom
date
LCD TV
Revised
Adjustment Test pattern - ADJ Key
Content
A8
date
You can view 6 types of patterns using the ADJ Key
Checking item : 1. Defective pixel
2. Residual image
3. MODULE error (ADD-BAR,SCAN BAR..)
4.Video error (Classification of MODULE or Main-B/D!)
A8

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