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My olevia plasma tv turns on for like 30 minutes then it turns black and makes a noise

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  • 36 Answers

Its broke if you have a warranty I would use it or if you have not heart sell it to someone but dont tell them the issue lol good luck

Posted on May 07, 2014

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Posted on Jan 02, 2017

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robwan
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SOURCE: Samsung Plasma 42" TV - 2006

Hi, this is quite a common problem for plasma screens and LCD screens. The fluroscent backlight is more than likely faulty and would need replacing. The best thing to do is to take it to a service centre because there are no user servicable parts inside the plasma.

Posted on Nov 01, 2008

  • 1 Answer

SOURCE: Syntax Olevia 30" LCD - blue screen, then black screen, sound is on

you have a broken inverter board. I have a LT30HV, and it had the same problem. The inverter board supplies power to the backlight. Swap it out with a good one, and you're back in business.

To test, take a bright flashlight and point it at the screen just an inch or so off the surface. If you can see your picture, then you have a blown inverter.

it may not be worth fixing it. Wait for a good sale on a new one. My inverter cost about 150, and it was a remanufactured part. Not as good as the original part as it flickers just a tad. I had to take the entire TV apart, with pieces literally everywhere. My cats loved it.

Posted on Nov 15, 2008

  • 2 Answers

SOURCE: 42" panasonic viesta plasma tv cuts off after about 30 minutes

Adjust the automatic shut off settings on the set using the menu system. the newer models are programmed to shut down to avoid the burn-in problem associated w/ plasma scenes.

Posted on Dec 30, 2008

  • 304 Answers

SOURCE: samsung plasma HPR4272 that had a 4" black vertical line on

There are at least two issues here. First you have bad buffer boards. Second Very possibly a bad X-Main bd and P-Logic bds. Have a trained Samsung tech troubleshoot the set.

Posted on Jul 17, 2009

vinceisaac
  • 2432 Answers

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.

Posted on Aug 31, 2012

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1 Answer

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By the highly technical manner in which you set forth the problem, I can see you are far more electronically savy than am I, BUT just a thought: Is there there any sort of timer setting in the TV menu which may be cutting it on and/or off, and which you have somehow failed to notice? Good luck. . .

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Sounds like either the main or display power supply is failing. Might consider a new TV. Parts could be found but it might be hard to find them.

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1 Answer

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You probably have breaks in the soldering on the power supply board.

It can be fixed....but you need to be able to isolate and resolder the bad spots. Plus get the board in and out of the tv.

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I had a similar problem with my LG plasma. I used the Image Sticking Minimization
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1 Answer

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Hi, this is quite a common problem for plasma screens and LCD screens. The fluroscent backlight is more than likely faulty and would need replacing. The best thing to do is to take it to a service centre because there are no user servicable parts inside the plasma.

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