Question about Philips Magnavox 52MF437S/37 52 in. LCD TV

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Magnavox lvd tv

It will turn on and show a picture for less than 10 seconds then goes to black. Can't figure it out.

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Dont us s-video cable yellow video cable instead

Posted on Feb 23, 2009

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Once it goes black can you bring up the tvs menu?

If yes its a signal issue
If no tv is in need of service. Call 1-888-744-5477 to get referred to a local servicer.

Posted on Sep 16, 2008

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Dec 20, 2015 | LG Televison & Video

1 Answer

Picture Size


Keep in mind that not all programs and show are in widescreen format. When set to normal, you will get those black bars on the sides because the program is sized for the older TV's. Some TV's will have a zoom option, but that will cut off some of the top and the bottom of your picture.

Until everything goes widescreen, you are stuck in normal with those black bars or widescreen with the fat people.

I hate distortion in my TV image, so I am perfectly fine with my TV on normal.

Good luck.

Jul 14, 2010 | Philips Magnavox 42MF521D/37 Television

1 Answer

My magnavox 42mf438b lcd tv will be fine for about 10 minutes when i turn it on, then the screen goes completely black but it still has sound. it stays like this even if i turn it off and back on. i can...


that set is highly rated by users .. it first came out in early 2009 (i think) so you might check to see if any warranty remains ... the display is illuminated by several lamps .. each lamp has its own high voltage inverter .. all the innverters are powered by an output of the low voltage power supply (often 18 volts)... i would suspect a problem with that low voltage power supply.. either a bad capacitor or a thermal issue .. .. ..

Apr 10, 2010 | SNK Magnavox 42MF438B/27 42 in. LCD TV

1 Answer

Picture does not stay on when set is turned on


its a switch fault, you need to get a tecnition but cheaper buying a new tv,hope this help

Jan 24, 2010 | Philips Magnavox 27MT5405 TV

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Power Problem


Same problem as sweetpetny...blinking power button, won't on.

Jul 21, 2008 | Philips Magnavox 51MP392H Rear Projection...

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Tv screen goes black


No, if the picture of your tv screen is clear when when you watching. the troble of your tv is looseboard, and you replace your CRT socket too.

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Magnavox Mod. # HD 2715 C 202


Your set in in closed caption mode text 1....Go into your menu and un-do the closed caption mode.

Feb 18, 2008 | Philips Magnavox 27MS343S 27" TV

4 Answers

TV Picture Goes Black


I had the same exact problem.
I removed the bulb and cleaned it. There is a small screen at the top of the bulb and it was covered with dust. Once it was cleaned I replaced the bulb and it solved the problem.
Thanks to those who posted the solutions

Jul 28, 2007 | Sony Grand WEGA KDF-60WF655 60" Rear...

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