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LG 50PT350-ZK Service Manual page 63

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Repair Process-Reference data
PDP TV
Symptom
First of all, Check whether all of cable between board was inserted properly or not.
Next, Check whether there is foreign material on connector.
Symptom picture
Copyright © 2011 LG Electronics Inc. All rights reserved.
Only for training and service purposes
A. Picture Problem
Defect type cause by PDP Module
defects description
Regular vertical lines
Vertical lines or Bar
Many irregular vertical lines
Horizontal Line or Bar
A19
Making
Revision
To action
1. Check connection
(CTRL B/D, X B/D)
2. Check CTRL B/D
3. Replace CTRL B/D
1. Check connection
(CTRL B/D, X B/D)
2. Check CTRL B/D
3. Replace CTRL B/D
1. Check connection
(CTRL B/D, X B/D)
2. Check CTRL B/D
3. Replace CTRL B/D
1. Check connection
(Y-Sus B/D ↔Panel)
2. Check Y-Sus B/D
3. Replace Y-Sus B/D
A19
LGE Internal Use Only

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