Read LG 42PQ301R-ZB (CHASSIS:PP91B) Service Manual online
Making
Revision
2009. 2 . 1
PDP TV
Symptom
A. Picture Problem
(Half picture) X- B/D Checking method(42G2)
Repair Process-Reference data
A18
Va Input
◆ Half /partly No picture (or abnormal picture)
1) Check Va input voltage
( P233,P232, P311: Power connector of the X B/D)
2) check connectors between CTRL B/D and X B/D
3) To replace the X B/D.
4) Be sure the connection of TCP after X B/D replacing
3) To replace the X B/D.
4) Be sure the connection of TCP after X B/D replacing
※ Relation between screen and X B/D
. Left No Picture( Picture1) ↔ Check/Replace Right X B/D
. Right No picture (Picture2) ↔ Check/Replace Left X B/D
. Right No picture (Picture2) ↔ Check/Replace Left X B/D
Partly
no Picture
(abnormal)
Half
No picture
Picture2
Picture1
abnormal
Y-Sus B/D
Control B/D
X B/D
Check Connector (TCP,FFC) connection on Board
XL (Left X B/D)
XR (Right X B/D)
A18
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