Question about Philips Magnavox 27MS343S 27" TV

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Magnavox 42mf231d/17 Plasma

This problem started a few mouths ago .I did not know the kids had to smack the back of the T V for the picture to come on , well now the tv has no picture or sound but the blue power light is on This tv is only 2 years old . Any idea { other than smacking a tv is not smart } what could be wrong ? Thank You

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No picture or sound magnavox 42MF231D/17 only 2 of the green blinking lights are working


These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. http://electronicshelponline.blogspot.com/

Oct 10, 2015 | SNK Magnavox 42MF231D 42 in. Plasma TV

1 Answer

My Magnavox 42MF231D 42" T.V


You may have a weak power supply. This would indicate one or two capacitors that are weak or bad. This model may be about 4 years now and this is a good indicator as these capacitors need replacing. The other problem may be the infared board in the TV that receives the signal from the remote may be a problem as well. I would certainly investigate my first thought. The latter is kind of rare. Thanks for asking and show a few hands of support.

Nov 29, 2010 | SNK Magnavox 42MF231D 42 in. Plasma TV

1 Answer

42 in. magnavox flat screen wont turn on


Does that mean, you still have sound but don't have a picture?

Nov 09, 2010 | SNK Magnavox 42MF231D 42 in. Plasma TV

1 Answer

42'' Magnavox 42MF231D/17 with picture/sound problem


Hi my name is Roety,
I can help you with your issue ,
Sounds like a bad SSB small signal board
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Thanks

Oct 31, 2009 | Philips Magnavox 42MF521D/37 Television

1 Answer

Magnavox 42MF231D/17, screen just turned black,


power supply or inverter board failing if the power board is the problem it will have blown caps
little cans with puffy tops because the caps have vented if you don't see that then your inverter has died that model id out of production so try shop jimmy. com

Sep 22, 2009 | SNK Magnavox 42MF231D 42 in. Plasma TV

1 Answer

No picture just went blank still have sound??


It sounds like the color wheel has gone bad and needs to be replaced. This is located behind the back panel... replacing a new colour wheel will solve ur problem..

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Jun 16, 2009 | SNK Magnavox 42MF231D 42 in. Plasma TV

1 Answer

There is no picture but have audio


Your mainboard is damaged and need to be replaced. in order to get a new one you will need a product code and model number, both located in the back of th TV next to serial number.

Jun 03, 2009 | SNK Magnavox 42MF231D 42 in. Plasma TV

1 Answer

Model 42mf231d/17 42" plasma


If the loss of picture is either on top half or bottom half of screen. there are y buffer boards that go from top to bottom on left side of screen when looking at back that control those sections. when there is loss of half of picture then buffer associated with that area would be at fault and would need to be replaced. when i see a degrading symptom such as loss of picture on top half or bottom half leading to no picture issue normally you would check heat syncs on y sustain board and if not heating up after a few minutes of being turned on would recommend replacing y main and both y upper and lower y buffer boards as they complete a circuit

Jun 04, 2008 | Philips Magnavox 27MS343S 27" TV

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