The screen to my 42PC3DV-UD.A LG Plasma TV just went berserk on me. The screen is very fuzzy and flickers on and off. I can see images trying to get through but nothing is clear. Just fuzzy images. Half the screen has lighter pixelation, the other half is dark. Wondering if there is a module I can replace to fix it.
It could be any of 4 boards, either take it in for service or get a new set.
SOURCE: i have sound but no pic
replace display board.
if unit is under warenty
LG is very good at sending out replacment boards.
SOURCE: sound but no pic
The Lg you have actually has three boards that can cause the problem you are talking about. The control board, the y-board or the z-board. Usually most technicians will change the y-board and z board together since it is usually a combination of both that cause the problem. The control board by itself can cause the problem. The part #'s are as follows and these are straight from the LG plasma tv training manuals. 1- Control board 6871QCH053G, 2- Y board 6871QYH036D, and the Z-board is
6871QZH041B. The boards can be checked by looking at the voltages and signals but as I said some of those problems for no picture interrelate between boards. Hope this helped. Also with the back cover off those boards are clearly marked. The y board is a small board on the left and the Z board is on the right. The control board is of course in between them. They have tiny white stickers with the part # and assy# on them an also directly on the board itself. Always disconnect the power cord when looking at the inside by taking the back cover off.
MAKE: LG
MODEL: 42PC3DV-UD
341 views
Usually answered in minutes!
×