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Magnavox 26mf23id/37 will not stay on

When its been sitting for awhile the tv will come on and play fine for about 10 minutes then it will shut off then turn right back on for about 20 seconds then turn off and on and off and you get the point..

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Replace capacitors 2079 and 2080 with 1000 uf, 50 volt caps. They are on the power PCB at the top as you look at the unit from the rear. Barneyluc.

Posted on Sep 27, 2009

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Take the power supply cover metal off the tv. that should do it

Posted on Apr 26, 2009

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I have a magnavox flat screen lcd tv. It says the model number is 26mf23id/37. A few weeks ago the switch that controls the outlet the TV was hooked up to was turned off while the TV was on, and since then...


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Junk from magnavox.


Trying unppluging wait one minute and plug in again.

Aug 31, 2008 | Philips Magnavox 42MF521D/37 Television

2 Answers

32 in Magnavox tv model 32MF231D/37


An earlier post of the smaller model of this with the same problem said to remove the metal cover over the power supply.

I have the 26MF231D and it worked great afterward (even though you can't mount it)

Here is how you remove the cover.
http://www.flickr.com/photos/88002248@N00/sets/72157611665895426/


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Shutdown


Try cleaning the air filter and see if that solves the problem.

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Magnavox lcd tv 15mf050v/17


I put heat-sinks on U14 and the regulator above it and the TV has been running fine all day. Always shut off after 14-30 minutes before. Heatsinks were just 1/2" x 1" metal strips with silicon thermal compound that I taped up to hold in place to temporarily test, as it is obviously a heat related problem.

If you try it and it works for you, post it here.

mwl777us@verizon.net

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Magnavox 15


IT IS YOUR POWER SOURCE HAD SAME PROBLEM CHANGED POWER PLUG HAS HOT TURNED OFF SINCE

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