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42LK450, 42LK450A, 42LK450N4, 42LK50U, 42LK451, 42LK455C, 42LK469C (CHASSIS:LD01U) - LG TV Service Manual (repair manual). Page 87

Read LG 42LK450 / 42LK450A / 42LK450N4 / 42LK50U / 42LK451 / 42LK455C / 42LK469C (CHASSIS:LD01U) Service Manual online

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!)
A12
Established 
date 
Revised 
date 
Error 
symptom
Content
LCD  TV
A12
2011. 2 .07
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