Read LG 50PZ570G-ZB / 50PZ570S-ZB / 50PZ575S-ZB (CHASSIS:PD12C) Service Manual online
Making
Revision
PDP TV
Symptom
A. Picture Problem
(Half picture) X- B/D Checking method(50R3)
Repair Process-Reference data
A18
A18
▣
Half / partly display (or abnormal display)
※ Check connections (TCP - X board, CTRL board - X board)
-. Check Va input voltage.
(P121, P120, P220, P221, P320 : Power connector of the X board)
-. Check cables between CTRL board and X board.
-. Replace the X B/D.
-. Check TCP connection after X B/D replacement.
-. Replace the X B/D.
-. Check TCP connection after X B/D replacement.
▣
Connections between panel and X B/D
-. Right display (Picture 1.) ↔ Check/replace right X B/D
-. Both ends display (Picture 2.) ↔ Check/replace center X B/D
-. Left display (Picture 3.) ↔ Check/replace left X B/D
-. Both ends display (Picture 2.) ↔ Check/replace center X B/D
-. Left display (Picture 3.) ↔ Check/replace left X B/D
Picture 1.
Picture 2.
Picture 3.
Half
display
(abnormal)
Partly
display
(abnormal)
abnormal
abnormal
Va
Va
Va
from CTRL
from CTRL
from CTRL
2010. 12 . 24
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