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LG 42PQ301R Service Manual page 61

Chassis : pp91b

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Repair Process-Reference data
PDP TV
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 ⓒ 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
A. Picture Problem
Symptom
Defect type cause by PDP Module
Making
Revision
defects description
Regular vertical lines
Vertical lines or Bar
Many irregular vertical lines
Horizontal Line or Bar
A19
2009. 2 . 1
A19
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
LGE Internal Use Only

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