If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size. Search the site by type in the "brand name" of your device, in the "Search box at the top right of the Homepage" to get gathered related posts.
SOURCE: Red noise or flicker on bottom half a plasma screen
The old saying that a pictures is worth a thousand words could have been looking at this one... If the lower screen had been streaked in B&W or bands ran completely through the picture Old Drummer I would suspect the logic board also but that's lower y-board failure.
Bill
SOURCE: LG 50" plasma tv
call 877-543-8325 this is an LG Executive call center and they will fix this for free. I have a 50" plasma I bought january 2006 which is out of warranty by 5 months. They faxed me and the LG repair shop a 30 day warranty for my tv to cover the repair. Just tell them you heard a pop and in my case the picture is distorted. All they need is the model number and serial number and they should take care of it. No arguing needed.
SOURCE: Issue with LG Plasma tv model # DU-42PX12X
Another "same probelm"
My set has encountered this magical 50/50 split screen and it seems to be quite a problem since I am not the only one researching this issue. LG was of no use because of course it is just out of warranty. Any solutions on fixing this or am I out of money in buying a new plasma?
SOURCE: power supply for lg plasma tv
i have a 60 inch tv i just order the power supply kit i want to install it myself do i have to open the whole back of the tv.
SOURCE: My LG 50PJ350-UB PLASMA TV DOES'NT TURN ON BUT MAKES A TURNING ON NOISE
check for bad capacitor in the power supply board and then check shorted component parts at the sustain board.
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