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Tv comes on great but after screen is lit up for approxiamately 15 seconds the Tv turns itself off.

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  • Mark Harrison
    Mark Harrison Nov 21, 2013

    ya think it would be worth putting a power supply in?

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Symptom of power supply trouble.

Posted on Nov 21, 2013

Testimonial: "Thx Tom... Do you think it would be worth putting a power supply in it?"

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Posted on Jan 02, 2017

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  • 69 Answers

SOURCE: turns off by itself

ther is technical error

Posted on Jul 11, 2009

  • 8457 Answers

SOURCE: I have a shard aquos LCD tv. When I turn it on,

When the tv have this problems dose the tv Power and OPC lights indication flashes together?Yes,than the tv main Tuner signal board it is dying and shorting out.Happen to my Sharp Aquos 46' tv many times but it only take about 2 or 3 off/on to get the tv backlight lite and the tv to work.U can do some mechanicals work wright?Like take thing aparts and putting it back togther again?Yes?The tv Tuner signal board that the board where the tv incomming broadcasting cable wire plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole new refurbish tv Tuner signal board for the replacement.

Posted on Aug 18, 2011

Testimonial: "Looks like a good starting point."

fabienrjs
  • 1 Answer

SOURCE: olevia tv screen turns itself off after several minutes.

its happing to me to time to buy a new one.

Posted on Dec 18, 2012

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1 Answer

Older-model Toshiba TV shuts off by itself


There is a large sand filled resistor on the main board close to where the power cord attaches that cracks. This will stop power until it cools enough to make the connection then heats up rapidly to open it again. It may be worth the trouble if you're handy with a soldering gun and can get the back off the TV. If not then I'd consider getting a flat screen.

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The symptom you describe suggests power supply failure. It is still working but fading fast

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I have a shard aquos LCD tv. When I turn it on, everything comes on for 1-2 seconds, then the screen goes black. If I turn it on and off again (about 10-15 times) the same thing happens. Eventually, the...


When the tv have this problems dose the tv Power and OPC lights indication flashes together?Yes,than the tv main Tuner signal board it is dying and shorting out.Happen to my Sharp Aquos 46' tv many times but it only take about 2 or 3 off/on to get the tv backlight lite and the tv to work.U can do some mechanicals work wright?Like take thing aparts and putting it back togther again?Yes?The tv Tuner signal board that the board where the tv incomming broadcasting cable wire plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole new refurbish tv Tuner signal board for the replacement.

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I had a friend with the same problem. He had to clean the components and fans in the set. The accumulated dust had caused the set to run hot and a safety switch was the tv off. He purchased a few cans of compressed air and, as he blew the components and fans out, used a vacuum to capture the blown dust. Good luck.

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