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Unit shut itself off and will not come back on

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The (smps) power supply has to be taken care

Posted on Jul 20, 2008

  • Moses Clive
    Moses Clive Jul 20, 2008

    please check the capacitors if you have some techincal exposure or else contac a local technician reason being the power assembly is tripping and is not getting the constant power,

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RCA 50: HDTV, just started shutting itself off and won't come back on for several minutes or over an hour what could cause this


My friend had the same problem. There is some display bulb that is on its way out. They aren't cheap. Find a 2nd hand TV parts/repair shop, They usually have cheap used ones from discarded units, and will know what you need!

Sep 16, 2012 | RCA Projection Televisions

1 Answer

MY sony kf50xbr800 tv will shut itself off for about 20 seconds and then come back on.While it is off the standby light will blink.What do you think?


If your tv set shuts off by itself at any time, sometimes earlier or sometimes longer, there mus be lost contact on the pins of the parts of your unit. Usually it occurs when the audio is loud. The vibrations will cause some of the pins to lost contact from the circuit causing the automatic voltage regulator to shut off, detecting the abnormal flow of currents and voltages in the circuit. Ask for a qualified serviceman to have it check and solder the pin or pins having a lost contact.

Oct 03, 2010 | Sony Grand WEGA KF50XBR800 50" Rear...

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The TV shuts off by itself.


Verify you are installing the lamp door correctly. Some units require a swinging motion for installation. Insert bottom, swing top of lamp door into place. Or, you may just need a new lamp.

Mar 15, 2010 | Samsung HLP6163W 61" Rear Projection...

1 Answer

Heard a pop, tv went off, then doesnt come back on


Your unit has some sort of PSU fault, or a problem that is shutting down the Power Supply Unit, PSU. This happens so that no further damage, and possible fire will occur. The sound is it starting up, shutting down, over and over.

You need to take the unit to a reputable service centre/man and ask for a firm "Quote" for the work to be done.

Jan 23, 2010 | Hitachi 50VF820 Projection TV

1 Answer

Loud sound of air and screeching tv keeps powering down


Sounds like a CRT is arching internally. to confirm remove the covers to have a view of the picture tube necks- in adimly lit room you should see bue arching in one of the tubes. (there are three piture tube with glass necks)

Sep 14, 2009 | Zenith R56W36 56" Rear Projection...

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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.

May 25, 2009 | Mitsubishi VS-6055 60" Rear Projection...

1 Answer

Tv shuts off but power light continues to flash


Unit is telling you something is wrong with circuit. LED pilot flashes when malfunction is detected. Power supply shuts unit down to prevent further damage and/or fire. Leave off and seek pro/tech check out

Nov 30, 2007 | Panasonic PT-53WX54 53" Rear Projection...

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TV shuts off


I would suggest that you guys turn the unit off when this happens, unplug the unit for 30 seconds, plug it back in, and see if this helps. If this does not solve your problem, you should call 1-800-448-2244, so a service center in your local area can be found for further assistance.

Nov 08, 2007 | Projection Televisions

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