Question about SNK Magnavox 42MF231D 42 in. Plasma TV

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I HAVE 42 INCH MAGNAVOX PLASMA TV AND THE SOUND WORKS BUT THE TV DOES NOT SHOW A PICTURE AT ALL IT IS JUST ALL BLACK,COULD IT BE THE PICTURE TUBE THAT WENT OUT.

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  • SNK Master
  • 3,904 Answers

Yes...the video card could have gone out but most likely you have a connection that is loose or bad. I would check those first. If you have done so then I would try another video port and verify that it is the screen that is out and not just the port you are in.

Posted on Nov 01, 2013

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Posted on Jan 02, 2017

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  • 187 Answers

SOURCE: 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.

Posted on Jun 03, 2009

  • 1 Answer

SOURCE: 37 INCH LCD HD NO PICTURE GREEN LIGHT ON, BUT NO SOUND

Unplug and replug it...it should work eventually.
I have the same problem with my 32".
But it eventually goes on when i try it a couple of times (the number of times is completely random...sometimes none, and sometimes like, 3).

Posted on Jul 07, 2009

  • 1779 Answers

SOURCE: Magnavox 42"

You are correct=====Return it ! It's new, you should not have to have it repaired this soon.

Posted on Sep 23, 2009

moorah1
  • 181 Answers

SOURCE: magnavox plasma tv model 42mf230a/37 sound but ni

Replace lower scan converter PCB, which plugged into Y-Sustainer Board, located to the left of the display if you poke back cover open. There are 2 of them, but in some models might be the one, long PCB.don't wait to fix it! otherwise, you will knock out Y-
Sustainer and upper scan converter. That will cause you to spend few hundreds to fix it.
Good luck,
Alex's TV Service,
Philadelphia,
Pa, 215-806-5980.

Posted on Jan 21, 2010

maatmartin7
  • 1212 Answers

SOURCE: we have a LCD 42

The power inverter supply board is bad. Have a tech replace this! Thankyou for asking!

Posted on Apr 27, 2010

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1 Answer

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Hi friend,,,
welcome to fixya

Commonly for Plasma tv's if the screen went out,,the problem will be the CATHODE RAY TUBE,it is costly to buy.if you want you can buy it,,or it may be the D-board problem will be also,,,
but it is unusual,so check the tube.

if your satisfied with my solution PLEASE RATE IT

thank u...

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