Question about Philips Magnavox 15MF400T 15 in. LCD Television

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Magnavox 37MF331D/37 keep asking for software upgrade

Magnavox 37MF331D keep asking for software upgrade when tv is turned on with remote. No picture, sound, and can't turn off tv with remote. Recently had DirecTV HD installed on this TV.

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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.

Posted on Aug 30, 2009

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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/

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Magnavox tv won't turn on or off


Hello,

The typical cause of power up problems in a failure of the power supply filter capacitors. The board can be repaired by replacing the bad components. Below is a picture of the power supply board with the bad capacitors circled and below that is a link to a it that is available with the correct parts to rebuild that board.


10_1_2012_3_58_30_pm.jpg

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


I hope this helps you out,
BuddyMc

Sep 25, 2012 | Toymax Magnavox 37MF331D 37 in. LCD TV

2 Answers

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

Magnavox 42 inch flat panel cannot get a picture


TV may need software upgrade. Go to menu, find instalation, find software upgrade, find. If version is bellow FL2D-r23 (#23) TV needs upgrade.
Get upgrade on the internet onto a USB flash drive. The file may be a ZIP file, if so, unzip to a folder in PC then put the file to the USB drive.
Turn TV on, plug in the USB drive, wait til the upgrade is finished. Unplug USB drive, turn TV off w/remote.
The TV will then turn on by its self and the upgrade is complete.
Hope this works

Sep 27, 2009 | Toymax Magnavox 37MF331D 37 in. LCD TV

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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

1 Answer

Picture has a red "haze"


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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.

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Codes


I NEED INSTRUCTIONS HOW TO PROGRAM MY SAMSUNG REMOTE TO MY TV

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