Question about Sanyo DS24205 24" TV

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What do I do.

My tv when we plug it in it makes a low humming sound with no picture or sound except the humming noise.

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Re: What do I do.

Is it in standby? Have you tried pressing channel buttons on the remote and the front of the set?

If that's not it, then you need to take it to a repair shop. Could be any number of things unfortunately.

Posted on Mar 28, 2008

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We have 50" Samsung DLP

Yes,the tv have a colors wheel and it is the cause of these problems.Humming noises,motor noises,picture flashes black&white or colors pictures within the pictures.The colors wheel,is dying or already dead.Hire a tv tech. replaced the colors wheel,will solved ur tv problems.

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I have a 44 inch 44nhm84 DLP. When the TV is turned on, it makes a loud humming noise that goes down in intesity twice and then finally a lesser humming noise after the picture comes on. At first I thought...

This does sound like a color wheel. To my knowlege, Toshiba does not sell the Color Wheel seporately. In short, you have to replace the Opical Block. The cost of this is very exspensive and Toshiba may not sell it to you. You may have to go through a Toshiba Service facility to obtain it. Check prices of new LCD sets before investing the money.
Hope this helps,

Jun 18, 2009 | Toshiba 44NHM84 44" TV

1 Answer

Samsung DLP TV has lot picture. Makes a Humming sound

That sounds most like the color wheel,
to change that you need to have some skill in electronics, I would recommend to take it to a shop

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Rca tv

Sounds like your high voltage section, or your main power supply is shot. DO NOT OPEN THE BACK OF YOUR TV.

The chassis of the TV ( any metal inside the plastic outer shell ) is Electrically HOT ! The High voltage section has upwards of 30,000 ( thirty thousand ) volts running to the picture DON'T TOUCH ANYTHING.

THe Humming noise is the TV Drawing a lot of current and trying to work. Don't continue to let it try or it will be an even more expensive fix....pull the plug !!

  • "The picture could condense to very thin and then go back to orginal size"......this means that the vertical high voltage section was collapsing (the high voltage for this part of the picture has failed ) and coming back ( normal picture )........this means that some part in the HV section was on its last legs. Now it has no legs.
Best thing you could do is take it to a shop. I have a 32" JVC of the same era and love it. It has given me no problems at all, and even though the price of a new "Tube" TV is extremely low, the picture quality isnt anywhere near as good as your old JVC. Personally, I would at least get an estimate to repair. Good luck....Rob

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1 Answer

Noisy phillips TV model tr 2503 c121

Mine does this too, just bought it yesterday and noticed the sound this morning, I guess because the house was quiet, now it's the most annoying noise ever. I have been searching for solutions all day, one forum said to go to the picture settings and turn the light sensor to "OFF"...Haven't gotten home to try it yet, but I hope this helps BOTH of us!

Nov 28, 2007 | Standard (CRT) Televisions

1 Answer


humming is due to main filter capacitor have gone dry or defective. repace it humming will go. picture cut is due to less voltage going to vertical stage.coming froh eht(hor stage.) as main filter will cause main power supply to be low which will cause low voltage to hor.stage.

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1 Answer

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There is a coil in the set with a magnet glued to it, called the horizontal linearity coil. Sometimes the coil "sings", making a squeeling sound. I have seen this many times, and there really isnt anything actually electrically wrong with the set. To stop the squeeling the coil should be replaced.

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The horizontal output transistor drives a transformer that gives you the high voltage to light up the picture tube,either the transistor or the transformer have gone bad,sometimes both have to be replaced and sometimes the transistor fails for no reason by itself.Be safe and call for help if you are not familiar with tv service.

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