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Black screen my magnavox 37mf321d has a black screen the sound works but that is it

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Try checking lamp mite need replacing

Posted on May 20, 2009


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Posted on Jan 02, 2017

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Magnavox 37MF321D/37. suddenly just shut off and would not turn back on, no blinking green light nothing!


Price the board first and then decide, I fix these in our shop but do not like or enjoy working on them at all.

Dec 20, 2012 | Toymax Magnavox 37MF231D 37 in. LCD TV

2 Answers

Magnavox 37MF321D/37 screen flashes with no pic, power light steady, capacitors in power supply look to be fine


I just fixed a similar problem on mine but the power light was flashing at the same time the screen was flashing. I made a video showing what part and how to replace it. I also added a link to the part I ordered. L5973D STMicroelectronics Mouser

May 22, 2012 | Philips 37MF321D 37 in. LCD Television

1 Answer

37mf321d won't turn on- no busted capacitors


Hey Superdave,
Does the whole tv turns off when the picture turns off ??? What you're describing sound like a defective CCFL backlight. This would make since why someone threw it out because the repair estimates of replacing the bulbs would knock your socks off. Most will suggest ordering a new LCD panel assembly which would cost way more than what the set is worth. On some sets, when a CCFL is out, the screen will come on for a few seconds then go out. On other sets, after so many "lamp failures" logged in memory, the set will not power up at all and just flash trouble codes through the power indicator.

May 07, 2012 | Philips 37MF321D 37 in. LCD Television

8 Answers

My magnavox 37MF321D/37 will not turn on. It


I had the same problem with the blinking green light. These are the parts one the power supply I replace to repair it. note: If the power supply is repaired you will get a solid green light and the backlight will light up almost immediately.
5df38cd.jpg

Aug 01, 2009 | Philips Magnavox 50ML8105D 50" HDTV DLP TV

1 Answer

I have a Magnavox 37MF321d/37 and the screen needs to be change. Im a handy person and the question is should i replace it my selft? or should i pay to get it replace? how much will be the diffrent money...


The screen is the most expensive part of the TV alone.
The cheapest new replacement screen will be about $300 at Shopjimmy.com, but they are currently out of stock right now.
Paying someone to replace it will cost more that the TV is worth.You maybe talking about well over $800 for someone to find a screen and do the work.

I hope I answered your question on this one.

Apr 02, 2009 | Toymax Magnavox 37MF231D 37 in. LCD TV

2 Answers

Magnavox 37MF321D/37 flicking on & off


Sounds like you need to repair the power supply, don't fret, it can be really easy.  Here is a pair of youtube videos I made after following some advice on this website from other posters:

 

http://www.youtube.com/watch?v=qSS6ycUxS98

 

http://www.youtube.com/watch?v=oTOkHKPJsnM



Feb 08, 2009 | Philips Magnavox 42MF521D/37 Television

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