Question about LG 42LC2D 42 in. LCD HDTV

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I have an LG 50PS8000 plasma tv which is nearly 2 years old. For the last few months its has occassionally been getting a red haze over the entire screen which either dissapeared on its own or went if you turned the tv off and on again. However recently the screen has started to go completely white and the tv turns itself off. If you try and unplug it and then turn it back on you get the white screen first then the picture starts coming through and then it turns itself off. If you leave it unplugged over night its fine for a few hours in the evenings but if you dont unplug it you get the white screen when you turn it on!! Sound is fine. Any help would be greatly appreciated.

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I've also had a popping noise on our 50" LG plasma TV, however the picture has not gone, but has turned grainy and colors are weird. Can this also be a blown fuse or a more severe problem (ysus board or similar)?

Posted on Feb 02, 2014

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Posted on Jan 02, 2017

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SOURCE: 42 inch LG Plasma TV - Lost picture

Our LG 50" plasma tv screen went black after a popping noise but still had sound, after great diliberations decided to take the back off and have a peek!
We unplugged the tv and tested the fuses (there were three we could see) one had blown, the one on the left as you look at the back of the tv it also has one above it. We wrote the code/seriel number down and took the fuse to the electrical wholesalers Maplin and bought a pack of 10 fuses for £1.29 replaced the fuse in the tv and everything now fine!!!!!!
Hope this might be of use to anyone whose lost the picture after a loud popping/snacking noise but still has sound.

Posted on Jan 17, 2008

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SOURCE: LG plasma TV

I would suggest having the Y and Z Sustain boards replaced

Posted on May 22, 2008

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SOURCE: 42 inch LG Plasma TV - Lost picture

Hi , I recently had the same problem which I was determined to fix . So I did a few weeks of research to find that it was the Y SUS board which burns out. I'm sure you realized that the TV gets hot. Personally I think this is why. circuit boards don't like heat and I've learned that the cooling fans are a joke. I replaced the board and got my picture back. I proved the fan theory because after the screen started to act up. I placed a cooling fan near the vent holes on top and the problem cleared right up,It also helps if you lower the brightness which helps out on the heat situation.I will soon be adding a fan with a temp. sensor. This shoud help if your screen has lines when you initially turn the cool TV on.then I have Some other costless solutions. Hope this helped these are great TV's and like our cars we maintain them not throw them away..................................Mr Wiseman

Posted on Jan 30, 2009

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SOURCE: 42 inch LG Plasma TV - Lost picture

This is almost certainly the device that sends electricity to the the plasma in the panel after failing. Bring to your local repair shop and expect to pay 300-400 parts and 100-200 labour.

Cheers,
Stephen

Posted on Apr 28, 2009

gsalmen
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SOURCE: lg tv automatically turn on and off. Power surge

the software in the main control is damaged. call your lg servicer in your area. he might get you a software update

Posted on Jul 09, 2009

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