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Tony Kennedy Posted on Aug 02, 2007
Answered by a Fixya Expert

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Magnavox Help MY Big Screen will power on and you can hear volume & change channels, but the screen is Completely black as if the TV is not even on ... Plz Help

  • Anonymous Dec 07, 2007

    same problem... can anyone help? It was working fine and then one morning we turned it on and wam... not picture.

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2 Answers

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  • Philips Master 3,459 Answers
  • Posted on Feb 13, 2009
Anonymous
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Magnavox Help - e7c2b53.pngI have worked on dozens of the DPTVXXX models recently all with audio but no video. In every set the HVG was the problem.
If you are not sure how to find/repair/replace the HVG yourself goto http://www.TvRepairKits.com to get their how to guide that includes the part numbers, suppliers, instructions, etc.

Its an easy do-it-yourself fix.

A

Anonymous

I have the same problem and apperently nobody can help us

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Related Questions:

1helpful
1answer

My Magnavox TV give sound but no picture. When I turn it on the light in the bottom right hand screen goes green, then flashes to yellow and goes back to green. The screen does not change it is constantly...

You need to replace your backlight inverter.

Check that all voltages are coming from the power supply as they should. The power supply will be stamped with the correct amounts, and you just read with the multimeter to confirm.

After those check out ok, you will need to replace the inverter to "light" your screen again.


You can hear sound because the tv is ON, but the inverter isn't lighting the screen!


Hope this helps, please rate!
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Philips Magnavox 36" @10yr old has perfect sound and black screen

checked the vedeo section of the main PCB of the unit, maybe some defective parts, try to look the back of the picture tube if theres a light, if none, cheke also the horizontal section, especially the flyback transformer
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Black Box appearing on my screen

go into your menu and access the closed caption modes. someone has accidently put your tv in the "text" mode. turning off the closed caption feature will correct this.
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Black Box appearing on my screen

unplug the set for a while , but this problem will return because of a malfunction in the EPROM CHIP , this controls the menu and a few other functions
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"snow" screen, full volume, remotes don"t work

good day
due to the long time the buttons were not used, they tend to get stuck and this causes channels eighter to stay in one station or continou scanning. it could be resolved by spraying WD40 on the buttons and press it many times then dry it before operating the unit.


chris
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MAGNAVOX BIG SCREEN TV

Hi, I am having the same exact issue with mine. Although, it is only about 2 yrs old. We are still trying to find out what is wrong with it.
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TV picture was warped, no it is black, but the power light remains on...

the problem you are having is in the power supply you can go ahead and take your set to a repairman o look at your set good luck.
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