65LA9700-TA, 65LA970Y-TA (CHASSIS:LB34N) - LG TV Service Manual (repair manual). Page 117

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Standard Repair Process Detail Technical Manual
Adjustment Test pattern - ADJ Key
A. Video error_Color error 
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
Established 
date 
Revised 
date 
Error 
symptom
Content
LCD  TV
A8
2013.01.31
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