Question about Toymax Magnavox 37MF331D 37 in. LCD TV

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Can i use a 1000uf 35v for replacement with a 1200 uf 35 v? for a magnavox 37MF331D 37 in. LCD TV

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  • Toymax Master
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Absolutely NO! Although it may be close, you will find a poor startup just as if the set was still bad. The capacitor you need is of course a 25 volt 1200MF. In this case a 35 volt 1200MF will work. I would suggest in this case a next up voltage with the correct MF. In this case the best sub is the 35 volt 1200MF. Check out Matelectronics.com. or MCM Electronics.com or Mouser Electronics .com. If you have a local Electronic supply store they may have what you need. I do not believe you will find it at Radio Shack. Thanks for asking and show a few hands of support!

Posted on Nov 13, 2010

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  • Master
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A power supply capacitor kit with the correct capacitors for this model TV is available her:

http://www.ccl-la.com/catalog/product_info.php?cPath=21_77&products_id=216

This kit has all 8 of the capacitors needed to rebuild the power supply board.

Posted on Jul 18, 2012

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Posted on Jan 02, 2017

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Why toymax magnavox 37mf331d 37 in tv worked good i turned it off came back to turn it on and it wont come on the green light that is usually there its not on ?


Fault with the main power supply regulator section. Either it will be on a separate board, or on the part of its main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. 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/

Nov 27, 2014 | Toymax Magnavox 37MF331D 37 in. LCD TV

1 Answer

2200uf 25v can be replaced with a 2200uf 35 v for a magnavox lcd tv


Yes, just did one works great. If my research is right this circuit is actually 29 volts. destined to fail from the get go.

Oct 16, 2010 | Toymax Magnavox 37MF331D 37 in. LCD TV

2 Answers

Need to get a schematic of the power board in a MAG 37MF231D part# 31381036294.3 for T/S purposes. New board just to expensive.


Replace cap location 2074 which is 25 volt 2200Mf and cap location 2081 which is 35 volt 1200Mf. You can visually see these when you remove the back...Good Luck! PS...be sure they are rated at 105 degrees!!!!

Nov 17, 2009 | Toymax Magnavox 37MF331D 37 in. LCD TV

2 Answers

Magnavox 37MF331D 37 in. LCD TV tv will not come on, power light blinks. I tried disconnecting power cord and hold power button to discharge, still will not come on and as soon as I apply power again the...


I had the same problem with a Magnavox LCD TV. It would not turn on and the light on the external PSU flashed. I found a replacement 12V 5A power supply on EBAY. It brought the set back to life.

Sep 12, 2009 | Toymax Magnavox 37MF331D 37 in. LCD TV

3 Answers

Magnavox 37MF321D/37 power light & screen flash, won't come on.


Hello,

A full capacitor kit for the 37MF337 and 37MF321 models is available here:

http://www.ccl-la.com/catalog/product_info.php?cPath=21_77&products_id=216

The kit contains all 8 capacitors needed to rebuild the power supply board

Aug 27, 2009 | Philips Magnavox 42MF521D/37 Television

1 Answer

Magnavox 37MF331D/37 keep asking for software upgrade


Your set either has a bad SSB (small signal board) or needs a software upgrade. Try the upgrade first by going to http://www.m4c.magnavox.com/cgi-bin/dcbint/cpindex.pl?scy=US&slg=AEN&cat=FLAT_TV_CA&sct=LCD_LARGE_30_40_SU&grp=TV_GR&session=20090830171041_4.131.87.247&ctn=37MF331D/37&mid=Link_Software&hlt=Link_Software
Download the latest software release for your set then follow install instructions that are contained in the user manual for your set.

Jul 22, 2009 | Philips Magnavox 15MF400T 15 in. LCD...

2 Answers

Philips Magnavox 37" LCD Flat Screen 37MF331D Have replaced power board,main board,hit power a faint light on whole screen for about 2 seconds the nothing.


Disconnect the LVDS Cable that runs from the small signal board to the display panel and apply power,if the screen comes on,the Small signal board (aka Scaler Bd ) is the faulty board. other than that,all that's really left that has gone bad for me is the logic board.

Feb 19, 2009 | Toymax Magnavox 37MF331D 37 in. LCD TV

2 Answers

Polaroid 37"


The reason for the first failure is use of very poor quality or LOW voltage caps.The 35 volt Radio Shack caps will work fine and will give no future trouble.Too low a voltage rating or poor manufacturing leads to leakage and drying out of electrolytic caps.35 volt versus 10 volt is a higher rating and,within reason,will not cause a problem.For technical reasons don't go extremely high(such as 150 volts).This might cause a problem down the line.

Aug 25, 2008 | Polaroid FLM-3734B 37 in. LCD HDTV

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