Read LG 50PQ100R-ZA (CHASSIS:PP91A) Service Manual online
Making
Revision
2009. 2 . 1
PDP TV
Symptom
A. Picture Problem
Defect type cause by PDP Module
Repair Process-Reference data
A19
1. Check connection
(CTRL B/D, X B/D)
2. Check CTRL B/D
3. Replace CTRL B/D
Many irregular vertical lines
1. Check connection
(Y-Sus B/D ↔Panel)
2. Check Y-Sus B/D
3. Replace Y-Sus B/D
Horizontal Line or Bar
1. Check connection
(CTRL B/D, X B/D)
2. Check CTRL B/D
3. Replace CTRL B/D
Vertical lines or Bar
1. Check connection
(CTRL B/D, X B/D)
2. Check CTRL B/D
3. Replace CTRL B/D
Regular vertical lines
To action
defects description
Symptom picture
First of all, Check whether all of cable between board was inserted properly or not.
Next, Check whether there is foreign material on connector.
Next, Check whether there is foreign material on connector.
A19
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