Question about Toymax Magnavox 37MF337B 37 in. LCD TV

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Magnavox 32mf231d - Just a blinking green light, No Power

I saw that you tried to resolve a problem 32MF231D that had power issues earlier and was wondering if mine would be the same solution. Here's the deal - when the TV is plugged in, all that happens is a blinking green light. You cant turn it on. The remote makes the green light blink really fast so it is picking it up. When you hit the power button, you hear a full click and then another click that doesn't make it all the way. I have it apart and I saw 2 green LEDs light up for each click on a board in plain view that has the AV inputs on it to the right of the power supply. Nothing looks fried. Same problem. There was a time where I could turn on all components that are plugged in to it (Game, DVD, Sat, etc.), press channel or volume, and eventually (5-10min) it would come up. Now nothing.

Posted by bob_lew on

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  • Anonymous Apr 13, 2009

    I have the same problem. We installed the comcast "box" that they told us we needed since everything was switched to digital, and today, the TV was on and working fine....then suddenly it turned off, atleast the screen went dark, but the green power light is on and keeps flashing. The remote makes it flash faster, so you can tell it is picking up the signal, but we cannot get the TV to turn on. I've tried unplugging it for 60 seconds to re-set it, but no luck. Anyone have advice for this situation?

  • Anonymous May 02, 2009

    Same problem.

  • Joe Blow Jul 19, 2012

    You can get the exact capacitors tou need at www.digikey.com Here is a youtube video that is for a 50 plasma but same principle,http://www.youtube.com/watch?v=-ueBrD55I...

  • Hurkey Rodgers Oct 02, 2013

    i had a 42in tv that did the same thing (blinking green light) i changed 3 compacitors in the power board and viola! its working again its a very easy fix if you know how to solder

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8 Answers

ciocc

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I had this problem, but saw other places that it was a cheesy capacitor on the power supply circuit board causing this. I opened it up and took the power supply board out and it was obvious which capacitor was bad...top was bulging and had black stuff on it. It was rated 2200 uF @ 25V...got a new one @ Radio Shack that was 2200 uF @ 35v. Soldered it in (I stink @ soldering, but gave it a shot and it was EZ). Watching the first weekend of college football w/o waiting on a flashing green light for up to an hour so the TV would start! I'm going to try to find the other websites that directed me to this to say THANK YOU...BTW my brother used to have fits with several Magnovox TV's and thier power supplies back in the old tube style TV days. I thought I didn't need to worry about this with an HD flatscreen, but was wrong. I will think twice before buying a Phillips/Magnavox/Funai/whatever else they are again. They have a long list of complaints and I believe a class action lawsuit to refer to about this problem. They should have stepped up and done something!

Posted on Sep 05, 2009

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ciocc

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I left out...the new capacitor @ Radio Shack was about $5 with tax...but I stopped & ate lunch for $5.01 @ Chick-fil-A and donated $5 to the Boy Scouts while I was waiting in the drive thru so it came to about $15 total :-)

Posted on Sep 05, 2009

  • ciocc Sep 23, 2009

    I took pictures of this when I was working on it. I haven't found anywhere with that before. They are on flickr and are not in very good order, but you're welcome to look...hope they help!

    http://www.flickr.com/photos/42205742@N02/


  • ciocc Sep 23, 2009

    When I was looking up stuff on this a lot of people were asking for pictures or something to help. I never saw any, but took some of my own. They are on flickr, but are not in the best order. They may help, though, if you are thinking about doing this. If you are reasonably good @ fixing things, you can do this!

    Good luck

    http://www.flickr.com/photos/42205742@N02/

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Anonymous

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Our 37" Magnavox was having the same issues posted here. Blinking light. My husband and I FIXED it for only $5 and an hour of our time. People stop complaining and give it a try. What do you have to loose? It was a very easy fix.You will need to remove the old capacitor, solder the two wires on the new one in then put it all back together. That is it. If you feel unsure about where to put parts back, take pictures for review. I used the same 2200 @ 35v capacitor like the person that posted the pics. Very helpful by the way.

Posted on Jan 11, 2010

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I had the same problem on my MAGNAVOX 37MF337B/37. At first flashing green light and would take many tries to turn on, then finally nothing. I followed the advice of others on this list and ordered a replacement power supply module. Part cost about $110 and was easy to install. The set appears to function perfectly now.

Posted on Jul 27, 2009

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Hi had same problem with my 32mf231d and bought a new power supply for it, which cost me $150, and now tv works like new! hope this helps somebody else.

Posted on Jun 08, 2009

  • W5RA Dec 15, 2010

    I had the blinking green light problem with my 37" Magnavox and using the info from this site, I opened it up and found the 2200mfd cap was swollen and leaking. There was also a 1200mfd cap swollen and leaking. I replaced them both with 50 working volts dc caps of the same capacitance, put it all back together, and it now works great! Thanks for the info.
    W5RA

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Doug Fishback

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I had the bulging capacitor as well on my Magnavox 37 inch. I replaced it with another 2200 mF 25v and no luck. No other evidence of problems on the board, ie no other bulging capacitors. It should also be mentioned that the capacitors are polarized and have to replaced with the leads aligned with the correct positive and negative receptacle holes. I blew up my first replacement capacitor because I didn't know this. Any other ideas what this could be? I have the flashing green light.

Posted on Nov 20, 2013

Hurkey Rodgers

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I had a 42in manavox that did the same thing (blinking green light)/opened the back and seen 3 buldging compacitors . changed those out and voila!its working again cost was about $3 with a little labor

Posted on Oct 02, 2013

Joe Blow

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You can buy the EXACT capacitors you need at www.digikey.com for less than a buck each. Here is a link to a youtube video for a 50 inch plasma but same principle http://www.youtube.com/watch?v=-ueBrD55Idk

Posted on Jul 19, 2012

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