LG 75UM7180PVA Service Manual page 79

Chassis ub93u
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Standard Repair Process Detail Technical Manual
symptom
Content
You can view 9 types of patterns using the ADJ Key
Checking item : 1. Defective pixel
4.Video error (Classification of MODULE or Main-B/D!)
Error
Adjustment Test pattern - ADJ Key
2. Residual image
E. Etc
3. MODULE error (ADD-BAR,SCAN BAR..)
A28
Established
date
Revised
date
Copyright © 2019 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
A28

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