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TV turns itself off every 4 to 5 hours. Then turns itself right back on??? Settings all seem OK. This problem began about 2 months after we purchased the tv. Any thoughts???

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Check SMPS feed back opto isolator.This could cause this problem if there is no other fault. Check for any dry solder joints. take service center help if you find it difficult to fix!

Posted on Apr 29, 2010

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Posted on Jan 02, 2017

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55" model. Why does it play for a couple of hours, then shut down?


Sounds like you have a parental setting on the tv that is set to only allow 2 hrs then shuts down... try going into the menu and looking for parental settings or sleep settings... if that isn't it try spacing the tv away from the wall to allow circulation... it may be over heating... next would be to get a circuit checker for the wall plug and make sure the polarity is right at the power source... you would be surprised at how many homes are wired bkwards... usually sign of this problem is electronics in your home seem to burn out with in 6 months or sooner... tester has 3 to 4 lights on the bk of it and looks like a wall plug.. costs about 5 $

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Tv turned off by itself, red light came on. when i turned it back on if had a flashing green light the turned solid green, there was sound but no picture, it turned off again within 2 minutes of turning it...


Tv probally needed a new tv projection lamp.This tv has not been change it projection lamp like 1 1/2 or 2 years already?Tv been on and used it like 4 or 5 hours everyday?Yes,than the tv flashing or solid on green LED light is on have a word "LAMP" written on it tv bazel frame?Yes,tv 100% require a new tv projection lamp replacement.

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1 Answer

I have a Sony Bravia KDL-46S41000. The picture has been having problems for a few months now, and is getting progressively worse. Sometimes, when I first turn on the power, the audio is present, but...


I suggest that you install the following firmware update and check if that helps.
http://esupport.sony.com/US/perl/swu-download.pl?upd_id=6090&mdl=KDL46S5100
If the issue persists, service may be required.
Please perform reset by following the procedure before going for service.
To reset your TV to factory settings, turn the TV ON. Then, while pressing the UP ARROW button on the Remote Control, press the POWER button on the TV. The TV will turn itself OFF then back ON.

Jan 30, 2011 | Sony KDL46S5100 46 in. HDTV LCD TV

1 Answer

I can't figure out how to get my Sony KV-34HS420 to factory settings!


Hello

To reset your tv to factory settings do the following:

1 Press POWER to turn on the TV.
2 Hold down RESET on the remote control.

3 Press TV POWER on the TV. (The TV will turn itself off, then back
on.)
4 Release RESET.
OK

Jan 23, 2011 | Sony FD Trinitron WEGA KV-34HS420 34" TV

2 Answers

Sylvania LD320SSX turns off by itself.


your powersupply is dying in the set.. have it checked..

Apr 10, 2010 | Sylvania LD320SSX LCD TV

2 Answers

Bush tv frequently turning itself off


make sure you have not accidentaly scheduled a power off and on if yes torn off/disable them if not check that your power cable is secure

Dec 21, 2009 | Televison & Video

1 Answer

3 YEAR OLD SANYO DP 32746. SHUT ITSELF OFF, CAN NOT TURN BACK ON


If you leave the tv unplugged for 2 days (atleast) then plug it back in and try to turn it on and if it comes on its the power supply board. If it comes back on it will probably shut off between 30min to 4hrs and you would have to unplug it for 2 days again. All the power needs to drain out of the tv. If thats the case take the back pannel off and check the part number out on the internet. Not hard to do becarefull touching things the power supply does store a little bit or shock in it. Good Luck.

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Samsung AV-R720 - front right speaker crackles


THIS RECEIVER IS JUNK. I had the same problem with my receiver and Samsung gave me a new unit as it was under warranty. 8 months later the replacement which was brand new did the same thing. Samsung tells me it is my problem now. I should have demanded another unit. the best advice I have is not to buy this product. Samsung won't help you when it breaks and it will break. Nobody seems to know how to fix it.......

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50v710 turns off by itself then on


Have you check the power supply,that's what it seems to me.

Jun 29, 2009 | Hitachi 50V710 50" Rear Projection...

2 Answers

Tv unexpectedly powers off


Hi i has the same probleme..... My tv has 1 years and 6month... since two days.... the tv turn off itself...I have just take 15minute, unplug tv, and i have open in the right side the little panel...And i have clean inside!!! And i have do the same thing with the big panel in the back of the TV...After i have clean the fan...After this clean my tv is number one... and nothing turn off

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