LG 49LF620V Service Manual page 48

Standard Repair Process Detail Technical Manual
Error 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)
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Only for training and service purposes
A. Video error_Color error
Adjustment Test pattern - ADJ Key
2. Residual image 3. MODULE error (ADD-BAR,SCAN BAR..)
Established
date
Revised
date
A10
LGE Internal Use Only