Question about Philips Magnavox 42MF521D/37 Television

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THE MAGNAVOX PLASMA 42 INCH TV IT HAS SOUND BUT NO PICTURE ITS JUST BLACK

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  • 359 Answers

Did you check your cabling on the video input to the TV? I would try replacing the cables first. If that doesnt work I would try using a different source for the video than what you are using now. Do you have a seperate dvd or bluray player or even another cable box that has the same outputs as the source you currently cannot see? If so try using another one and if it still doesn't work then the culprit most likely lies within the TV.

Posted on Oct 11, 2013

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Posted on Jan 02, 2017

  • 7 Answers

SOURCE: 42" Philips plasma screen goes black

You have a Ysus problem. Sounds like a cold solder joint or loss connections on ysus main board.

Posted on Jun 07, 2008

  • 52 Answers

SOURCE: 42" Philips plasma screen goes black

you need to replace y-sustain board.

Posted on Jul 25, 2008

SOURCE: No picture, sound ok

I have a similar issue. Sometimes the entire screen goes black and sometimes only one-half - either the top or bottom half goes black. The only solution we have found is to gently tap the TV (usually the front side) and the picture will come back for awhile. It almost seems heat related as it only goes out after the first 10 minutes of use. There must be a fix to this.

Posted on Sep 28, 2008

jdbouncer
  • 72 Answers

SOURCE: 42" magnavox plasma tv

I partly agree with imaliszewski the problem is Y buffers (upper & lower). There is 3 parts to the Y board (Y-main, Y-upper, and Y-lower). There was an issue with defective Y-buffers in a memo sent out by the Plasma manufacture. The problem could be that you just got a set of these defective buffers in your panel. Or as Imaliszewski stated a current problem. but if you replace the Y-buffers repace them as a set. If your TV goes out again after changing the buffers. The panel is causing the problem by drawing too much current. That was a Defect I found out why working in a Philips/Magnavox warranty repair facility.

Posted on Dec 13, 2008

roety
  • 585 Answers

SOURCE: 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
login as a guest and check price and availability at
encompass.com  
 
 
If I have helped you with your issue please click accept.
If you have more questions you can still respond until this post expires,
I will reply asap
Thanks

Posted on Oct 31, 2009

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My tv image goes off while watching tv,I do have audio but no image.


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1 Answer

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.


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.

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