Question about Philips 32MF231D Television

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Power Supply Keeps Tripping Fuse

I have a 32MF231D/37 that no longer gets any power. First thing I tried was replacing the fuse, and it continues to trip as soon as power is applied. I then isolated the board (unplugged all the cables and removed it from it's case to ensure that it's not being shorted by something in the case) and the same thing happens. As soon as power is applied, it shorts.

Any ideas? Obviously I'm looking for a cheap fix, as the TV is only worht about 700 bucks.

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Freeze the capacitors is a trick worth trying. These usually are the problem

the way you run this is too use freeze spray to freeze each capacitor one at a time . Turn the TV on and if it doesn't trip for a few second longer you know that is the capacitor to change. Freezing capacitors only helps identify the fault if it is a capacitor issue (usually is with power on TV's)

Posted on Dec 24, 2008

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Power source does not work. Wont turn on or off


Blown fuse or bad capacitor on the power supply. the set and remove the back panel. Locate the power supply. There is usually a fuse in line with the hot supply wire. Check it for continuity with an ohmmeter. Look for bulging electrolytic capacitors on the power supply. Electrolytics are polarized (+-) and can fail if they go even slightly overvoltage. Replace bad capacitors with components with the same microfarad rating but a slightly higher voltage rating. I.E. replace a 16 volt cap with a 25 volt cap.

Jul 23, 2014 | Magnavox 32mf231d

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42" Plasma 42PF5321D/37 will not power on. I replaced the fuse on the power supply board with a 3 amp (that's what it looked like, but I'm not sure it was the right size because it was burned


Always replace fuse with fuse value required If fuse value is less it will burn out . If you replace with fuse that is required and it burns out then you have bad short in power supply circuit In that case check bridge rectifier

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1 Answer

No power whatsoever, is the bukbs gone or just the power unit?


If you are not getting any power then the first thing to check would be the 2 fuses on the power supply board. Below is a picture of the power supply board with the 2 fuse locations circled in yellow. The fuse values are printed right on the board, just use a multitester to check to see if they are blown. If the fuses are both good then the next thing would be the filter capacitors on the power supply board. The second picture below shows the capacitors to check. Look for bulging tops, they should be flat. If any show signs of bulging then they will need to be replaced too. You can get a kit of the capacitors at this link:
http://www.ccl-la.com/catalog/product_info.php?cPath=21_77&products_id=214

I hope this helps,
BuddyMc
7_17_2012_9_01_01_pm.jpg7_17_2012_9_06_10_pm.jpg

Jul 17, 2012 | LG 37LC7D 37 in. LCD HDTV

1 Answer

No power or light, plus power supply keeps blowing fuse


you have a short most likely on the power supply but could be on the mainboard, inverter board, av/input board. The T-con board is fused and should blow its fuse before blowing the fuse on the power supply. I'm going with a faulty power supply, most likely a shorted Mosfet.

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1 Answer

No power to TV


First thing to do if your television have no power is check the power outlet,then the AC cord continuity.If the ac cord have power supply,check the fuse,maybe the fuse is busted.Its is located at the power supply.So try to remove and open the back cover of your TV and look the power supply and replace the fuse if busted.Replace same value of fuse.Try this procedure,hope it will help you.Thanks..

Aug 26, 2011 | Panasonic Flat Panel Televisions

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I lost the picture on my 37" LCD model 37MF331D/3. The audio is fine.


There are two places to look for the problems, the backlight inverter board and the power supply. Look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc.
http://en.wikipedia.org/wiki/Capacitor_plague
Please post back what you find.

Dec 03, 2009 | Toymax Magnavox 37MF331D 37 in. LCD TV

1 Answer

Philips model 29pt3425-79 flat screen wont switch on


May try to replace your power supply. Average cost runs $200 via Internet. Also may inspect test & replace deformed an or any bulging caps.

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Magnavox 32mf23id/37 wont tun on


Had the same issue, I replaced two 1200uf caps on the power supply board and now it works fine again. Remember to replace the caps with caps rated for at least 35wvdc.

Jan 29, 2009 | Philips 32MF231D Television

2 Answers

32 in Magnavox tv model 32MF231D/37


An earlier post of the smaller model of this with the same problem said to remove the metal cover over the power supply.

I have the 26MF231D and it worked great afterward (even though you can't mount it)

Here is how you remove the cover.
http://www.flickr.com/photos/88002248@N00/sets/72157611665895426/


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