Read LG 55LA7900 (CHASSIS:LA34D) 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. 12 .14
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