Question about Philips Magnavox 27MS343S 27" TV

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37mf231d power light flashes on and off will turn on after you keep trying

I have the same problem with my 37 inch magnavox after playing with it for a while it will turn on and if it has been on and you shut it down it will turn back on right away. It seems to be a relay or a power up circuit problem.

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Set the time on your tv and turn off the timer, sleep and wake funtions.

Posted on Jun 26, 2008

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On my Magnavox 37mf231d tv when I turn it on, the backlights turn on for about 3-4 seconds, then turns off. There is no blinking green light, there is no green light at all. It seems like it is trying


Fault with main board. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/

Aug 23, 2014 | Toymax Magnavox 37MF231D 37 in. LCD TV

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Magnavox 37mf231d will not turn on, only have steady flashing led light-continuous


I just fixed mine that had a very similar symptom to this and it was a bad part on the main board. I made a video showing what part and how to replace it. I also added a link below to the part I ordered. L5973D STMicroelectronics Mouser

Aug 07, 2014 | Toymax Magnavox 37MF231D 37 in. LCD TV

1 Answer

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

1 Answer

My lcd tv keep flashing the on botton when i turn it on and there is no image,i have to keep pushing the on botton until the on botton light stay on and the screen comes on,


The power supply needs repaired NOW. I suggest you do not play it---unplug it ---and take it in for service. If you continue to play it you will price yourself into a new tv.

Nov 25, 2010 | Toymax Magnavox 37MF231D 37 in. LCD TV

1 Answer

Tv want start just flash


you are screwed.. the power module is going and will cost at least300 to fix..scrap the tv and get a Sony or Samsung.. Magnavox is a piece of junk..tom dwyre

Aug 30, 2010 | Toymax Magnavox 37MF231D 37 in. LCD TV

1 Answer

TV WANT COME ON LIGHT JUST FLASHES.


you are definitely having the same problem I"m having with my samsung.. Cheap capacitors. You will need to replace your powerboard with something similar to this:

http://cgi.ebay.com/Magnavox-37MF231D%2F37-Power-Supply-REPAIR-SERVICE_W0QQitemZ350261990220QQcmdZViewItemQQimsxZ20091007?IMSfp=TL091007138002r8521

I recommend watching a video on how to take it apart and remember to be VERY CAREFUL there are high voltages stored in the capacitor banks even when it is not plugged in there is still risk of electrical shock.

Oct 29, 2009 | Philips 37MF231D 37 in. LCD Television

1 Answer

Magnavox lcd tv not turning on


Also changed swollen C2074 and C2081 and it now works perfectly! a bit daunting for a novice like myself but with a steady hand and decent 'put it back the way you took it apart' skills, all went well!

Mar 22, 2009 | Toymax Magnavox 37MF231D 37 in. LCD TV

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