Question about TruTech PLV1615T 15 in. LCD Television

1 Answer

TV Keeps turning off

My TV will keep turning off for no reason sometimes its within 1 minute of it being on. Now its to the point I dont even use it. Please help. Very annoying

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  • mauchen1 Feb 01, 2009

    My set comes on and goes off a second later,It seems like its in stand-by and won't come out.

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  • 623 Answers

I'd check the power supply or the fan. the tv will shut itself off if it gets too hot or doesn't register the fan as working, not to mention need full juice to run....

Posted on Nov 20, 2008

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Posted on Jan 02, 2017

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According to the user manual the unit will automatically turn off when it is within 2 degrees of the temperature it is set at.

It's internal timer settings range from 1/2 hour to 8 hours.

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This set uses a number of green L.E.D.'s inside which are tied to different voltages---if you can watch them when set shuts off you are looking for one that goes out either quickly or after the others--points to area (voltage) where problem may be.

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Tv Turn sound on, No Picture, turns itself off within seconds


The TV is trying to go on protect mode because an internal fault had been detected. For that reson the protection circuit keeps turning off TV continuously.

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

Also ensure that the fault is not coming from a faulty receiver box sending bad signal, check if you get same problem with no receiver box or dvd connected.

If that does not work, and you keep having a flashing led on front of the TV, and tv turning off by itself after a while, that indicates a fault condition.

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

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 , startingthe flashing light.


If you are in situation one, then theTV 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.

Common faults that can occur are a blown capacitor on power board, a convergence IC has blown, or a fault on Digital board.

Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.


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

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1 Answer

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I still have that problem. I calle Mfr and also spoke to repair shops recommended by them and they said they estimate a cost of 300-400$ or so approx. I am waiting to buy a new LCD which could be few 100 more but at least dont have to live with the old one and keep spending money...

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1 Answer

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If your set was manufactured around July 2005, you may need a firmware upgrade to solve this issue. On the Sony website you can enter your model # and serial # to see if you TV is affected. If so, it is easy to have done and may be free from Sony. It sounds like the issue they described in the writeup on the required formware update. I had mine done within few months of when i bought it (purchased in Dec 2005) and it has been working flawlessly since.

Good luck!

Donnieboy999

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Turns off


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You can check the board where the components are mounted and resolder any that look bad. a brief power outages may cause the TV to turn off on its own. If you are using a surge protector, try connecting the set directly to the wall outlet. In your case it could caused by a blown fuse, a leaky diodes or a bad solder joint at the horizontal drive transformer. all can be replaced at a local electronic or hardware store and they're easy to replace If this does not correct the problem, you may need to have your TV serviced.

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