Question about LG 50PX4DR 50 in. Plasma TV

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LG 50inch Plasma received loud sound then went black

Purchased LG 50 inch plasma TV from Best Buy Jan 2006 and yesterday all of a sudden we heard a loud sound and TV went black. When you turn it on you can barely see images. What does someone suggest?

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My friend's LG 50" plasma tv has the same problem and it cannot light up. The picture and sound are working fine. But the brightness is too low. It is purchased 2006 too and out of warranty. So I opeend up and found 9 capacitors 3300uF 10V on the power module at the middle of TV are popped. I am planing to replace all of them. They are available at digikey.com. I think this model's power module has design flaw. The cap rating may to low. 10V? Stay tune to see what happen after I change the all the caps.

Posted on Feb 21, 2010

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I had the same problem with my LG 50 inch TV that I bought from Best Buy in Nov 2006. Fortunately I had the service plan. They had to replace the power supply board as 9 capacitors popped, so the TV would turn on them pop and go black and turn itself off. The TV has been a pain. I have the built in DVR and that has failed twice. I have had 3 repairs through best buy. One more time they owe me a new TV when they come out.

Posted on Sep 05, 2009

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I suggest you guys take your TV's into a repair shop like Sears or Best Buy... The main reason most plasmas go dark is because of decay, but I don't think this is the case. Because what you describe is similar to what happens in LCD's when their back light goes out. Although you can open up and repair the back light your self in a LCD, I would not advise you to do so for a Plasma, because of the hazardous chemicals used in the plasma display plus the fact that plasmas don't use back lighting. And 2 years is way to soon for decay to be a factor. So more than likely a circuit shorted out and the TV has to be opened up to be repaired.

Posted on Jul 01, 2009

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Hi.mine is doing the same as yours.sorry ido not have a solution but would like to compare notes with you.got it in may 06 from best buy as well. rich in ocoee. 407 536 0930

Posted on Jun 20, 2009

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