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TV WENT OFF BY ITSSELF

WE WERE WATCHING TV LAST NIGHT AND THE TV SHUT OFF BY ITSELF. IT WOULDNT TURN ON BY THE POWER BUTTON OR THE REMOTE I UNPLUGGED IT AND TURNED IT ON AFTER BUT THE GREEN LIGHT ON THE TV JUST KEEPS FLASHING NO PICTURE OR SOUND. IVE ONLY HAD THIS TV FOR A YEAR WHAT COULD IT BE? UNPLLUG AND REPOWER UP NOTHING HAPPEN

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  • Anonymous Jan 20, 2009

    sharp 27n s50 built (2000) tv comes on, stays on a short period then shuts down ,won't come on with remote or power button,but if you unplug then replug may stay on for an hour or longer, or not at all.

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  • 66 Answers

This TV has reached the end of its (short) life. Needs to be replaced.

You can try looking at what kind of TV it is, what model, and look at the manufacturer's web site, check for the manual, look up what it means when the green light flashes. Might be a code that means something but I think the TV is dead.

Posted on May 15, 2008

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Last night about 3 am I turned off my tv. when I usewd my remote to turn it back on it would not ( t v) come on and no picture or sound . I turned it around to see the back of it but it has no reset


Your TV have faults on Horizontal deflections, the oscillator and the Flyback might be the problems. If you are not familiar with TV circuits?... call tecnician to check your set.

Oct 03, 2014 | Standard (CRT) Televisions

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I have a Toshiba TV model 36A43 that won't power on. The same thing happened yeaterday as this morning. The tv will not power on via remote, or the manual power button. Yesterday, the same thing occurred...


It sounds like you have a switch problem at the front panel of the set. If a switch gets stuck internally the micro is trying to process the command and won't respond to any other commands. The only way to find out is to go into the set and desolder all the manual switches and see if the remote will work the set. It has a seperate detector for the remote. Thanks for using fixya. Good luck

Nov 08, 2009 | Toshiba 36A43 36" TV

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Philips Magnavox TV turns itself off and on


I had a problem that has not been fixed that i had put glass cleaner on my tv and every time i turn it off it comes back on sooo i do not have a solution so i need more and cheap ways to fix my tv.

p.s. i am 9

May 19, 2009 | Philips Magnavox 32PS55S 32" TV

2 Answers

Television Locked screen


I had the same problem on my TV (Nontaus N5119A). As suggested above, I switched the TV, pressed and held the 'Display' button for about 10 seconds and TV unlocked.

Thanks a lot for posting the solution. Much appreciated.

Aug 10, 2008 | Standard (CRT) Televisions

1 Answer

Power button Flashes


For the first one, please list the model number and count the blinks. Also, can you please post each problem separately. It will get too confusing trying to address 3 sets with different but similar problems.
Thanks,
Dan

Mar 18, 2008 | Standard (CRT) Televisions

1 Answer

Airane


If the TV goes in standby, then it is in protection mode.

Ensure also that the fault is not coming from a faulty receiver box sending
bad signal, check if you get same problem on DVD with no receiver box
connected.

Try first leaving the TV power cord unplugged for some times, let say one hour or so.

The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible causes.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , starting the flashing light.

If you are in situation one, then the TV will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expenses, just locate any good qualified repairer.

If you want to DIY you find parts here,

All: Appliance parts, electronics parts & more from PartStore.com

Encompass Parts Distribution

LCD/Plasma Electronic Replacement Parts: Plasma & LCD TVs, Appliances |


On LCD Pay particular attention at inverter and power board, power board can be inspected looking for bulged or leaking capacitors, then tested with a multimeter. The inverter is more difficult to test , there is need to read voltages, should be done by a tech. Also the LCD controller board can cause same problem

On Plasma, test Sustain (Ysus/Zsus) / Buffer boards , cables to plasma, digital board and power board.

On Rear Projection : check lamp, lamp ballast, power board, and convergence.

On CRT TVs, check ballast , flyback transformer, CRT, Tuner, Convergence.

Jan 26, 2008 | RCA 32V524T TV

4 Answers

TV WENT OFF BY ITSSELF


This may denote a proble in either your switching powers supply or your Horizontal section derived high voltage power supply. These are both very dangerous sections in your television. My next question is important; do you have a background in electronics? If not I would not advise you working on this problem yourself and that you take the TV to a repair shop for servicing. If you do have some background in electronics, I would like for you to make the following obeservations: What was the TV doing (it actions)prior to it going out? Did you hear any sounds before it went out like buzzing or crackling? What do you hear when you try to turn it on now, clicking? These questions are just to develop some background into what might be happening to your set. Thank you, Shuttle83

Oct 07, 2007 | RCA 32V524T TV

1 Answer

Tv died


It sounds like the high voltage transformer went bad, There is no fox for you to do unless you have experience and the knowledge to fix and repair solid state TV sets. Play it safe and call out a RCA service center to give you an estimate. Good Luck

Jun 21, 2007 | RCA F27242GY 27" TV

1 Answer

TV shut off


The set is going into shutdown,there are a few reasons why the circuit is being activated,excessive high voltage,excessive volts supply(poor regulation)no screen voltage or a secondary supply is missing,if you are familiar with tv service you have a few places to check,you will need a volt meter and a soldering iron and the squematic diagram to locate the different circuits mentioned,if you are not too familiar seek the assistance of a servicer.Let Us know if you need more information.

Oct 27, 2006 | RCA F35670MB 35" TV

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