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TV SHUTS OFF ITSELF AND DONT WANT TO COME AGAIN ON

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Check and replace damaged component/s at its main power supply regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy. Surf the site with patience.
http://electronicshelponline.blogspot.com/ Pull up older posts there.

Posted on Mar 25, 2014

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Posted on Jan 02, 2017

SOURCE: LG TV

necesito la pantalla de un tv lcd de 42¨ pues se rompio donde puedo encontrar el remplazo

Posted on Apr 24, 2008

  • 2315 Answers

SOURCE: Polaroid LCD tv - model TLX-04244 Shuts itself off...

The solution at this point would be to get the power supply repair since new boards are not longer being manufactured. In about 95% of the time if the LCD doesn't power up or turns OFF by itself or need to be unplug for some time to make work again; those are the symptoms of a dying or defective power supply.
If your TV is less then a year old, still under manufacturers warranty.
I service these power supplies, for more info write to jah2mil@hotmail.com

Posted on Dec 06, 2008

  • 92 Answers

SOURCE: Tv shuts itself off

If the TV were in my shop I would first suspect the PSU is failing as it reaches a certain temperature. Capacitors most likely.

If you have a capacitance tester, then it will be easy, if not.....

The capacitors that have / are failing will generally be "bulged" on the top.

However, it is worth noting that they are only a few pennies each, if it were me I would change them all for equivalents.

I hope this helps.

Posted on Mar 28, 2009

  • 1 Answer

SOURCE: lcd tv shuts off by itself and then turns on by

philips tv turns itself off and on agianevery 10 mins roughly with a gap of a few mins before coming back on. only had a few months

Posted on Dec 28, 2009

  • 1 Answer

SOURCE: Vizio shuts itself off

I have found that turning off the power for awhile will work as a temp fix for a couple of days and then just repeat the process.

Posted on May 28, 2010

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We have the RCA HD52w59 projection tv. The tv shuts itself off at different intervals. It takes approximately 1 minute to be able to turn the power button back on, however, I have to do that many times...


A problem in the deflection board. Could be a Cap. Resoldering the deflection board may take care of the problem. You need to call a TV man to do this kind of work.

Best of luck
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WWW.AAATVSERVICE.COM

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My Magnavox digital converter box shuts itself off every 5 minute


Check that you have not got an auto power off setting on. Check that the aerial connections are good. That the signal is strong from the stations it is picking up. Weak signals can cause the box to shut down.
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Tv shuts itself down


This is due to bad caps read here what a cap is www.badcaps.net see you tv is getting hot as normal but the caps cannot stand it any more thus shutting the tv down. The bad caps would be more or less in the power supply unit of this TV. So you can buy a new psu or get it repaired by a expert.

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Tv shuts itself off


The power supply may be going on to protection mode. This is usualy because one of the scan amplifiers may have failed, or something is taking too much current and forcing the power supply to shut down.

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check your sleep timer settings thats the most comman prob

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capacitor problems in power supply or a regulater isolate the power suppley by disconecting the line output stage/unplug scan coils for example and run a 60w bulb as a dummy load one wire to earth and the other to rail voltage colecter of line output transister if the bulb glows steady the power supplys fine

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