Question about Philips 37PF7320A 37 in. HD-Ready LCD Television

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Magnavox 37MF231D TV is only 9 months old and the sound will not work. At first if I hit the mute and then hit the mute again it would come back on but now the sound has completly quit. Have been informed Magnavox is no long made and no one to repair this TV here in Wisconsin.

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Magnavox is the same unit as philips --- they are like dodge/chrysler--- made in the same factory--- try a company that services philips and they will be able to fix

Posted on Feb 24, 2009

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Per magnavox 37mf231d I switched tcon board, and put an older main board that I had laying around, now the tv tries to turn on, there is a background light for about 5 seconds and then it shuts off.


Hello, I think it either had a bad back light board or one of the florescent tubes in the display has gone bad. As these sets get older, I see more of the florescent tubes going bad. I think there are 9 in that set, and all it takes is one of them to go out to cause the set to shut down. You may also look for a bad connection on the transformers on the back light board.....thanks, let me know

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

1 Answer

My magnavox 32 in will not stay on.


Sounds like main board fault. Contact any service technician to confirm. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy.
http://electronicshelponline.blogspot.com/

Feb 06, 2014 | Toymax Magnavox 37MF231D 37 in. LCD TV

1 Answer

Magnavox 37mf231d no sound or image


These are symptoms of power supply trouble

Feb 23, 2013 | Toymax Magnavox 37MF231D 37 in. LCD TV

1 Answer

Magnavox 37" model 37mf231d-37 wont tun on when i hit power button the screen lights up for a secongd and turns right back to black and the power button green light comes on and right back off I found


Your power supply is weak. If you think you can repair this I will tell you how. If you cannot do this,find someone who works electronics and share this repair. Two capacitors are bad. When pulling the back cover off, you may see one or two capacitors bulged. Even if they look good....replace these capacitors. The locations are numbered and, the capacitor having a value and temperature of 105 degrees.. Location of the first capacitor is 2074, value 25volts @ 2200 mf @ 105 degrees and will most certainly be bulged. The next capacitor may look fine....replace it. That capacitor location is 2066, value is 35 volts @ 1200mf @ 105 degrees. When you replace these, please be sure to get the polarity (positive leg and negative leg) of these capacitors seated correctly...this is a must. This will correct your TV. You will save lots of money, because you asked. Thanks for listening ..good luck...we will be here for your next repair.

Jan 02, 2013 | Toymax Magnavox 37MF231D 37 in. LCD TV

1 Answer

I have a magnavox projection tv...picture /no sound


I put new batteries in the remote and reset the cable box.

Mar 27, 2009 | Philips Magnavox 50ML8105D 50" HDTV DLP TV

2 Answers

Magnavox 37MF231D 37" LCD TV "popped" now won't turn on at all!


Capacitors tend to pop when they fail. Phillips LCD TVs have lots of problems with capacitor failures in their power supplies. I've got my 37mf231d apart on my workbench as we speak. Mine makes a whistling sound which I believe is either a solder fault or a bad capacitor.

A new power supply board is about $150 for that TV. The gamble, of course, is if the power supply took out something else when it failed.

Jan 16, 2009 | Philips 37MF231D 37 in. LCD Television

2 Answers

It takes 5 to 7 minutes to turn on my Magnavox HD TV


IFyou feel confident and can locate switch mode power supply with back removed.
Try warming switchmode power supply before turning TV on.
If TV turns on normaly then there are some small capcitors that are a common cause of this fault.
Otherwise look for DRY or CRACKED solder jointson PCB
BUT DON'T do any of the above if your are not confident send it to a TV repaiman.

Sep 11, 2008 | Philips Magnavox MS2530C 25" TV

1 Answer

No sound-power switch on T.V. flashing 9 times


May be a bad optoIC. Goto www.magnavoxhelp.com to see if they have a repair kit for your model.

Oct 05, 2006 | Philips Magnavox 51MP392H Rear Projection...

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