Question about Philips Magnavox 27MS343S 27" TV

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Volume keeps going down by itself. I'll use the remote to turn it back up and it goes back down to zero again.

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Re: Volume keeps going down by itself. I'll use the...

Thanks but the TV is now working well when it was tried the next day. He has been giving the sound for several days now. Thanks so much for your advice.

Posted on Jan 09, 2008

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Re: Volume keeps going down by itself. I'll use the...

It's rare but happens. Sometimes the volume button (or rather the plastic piece that activates the button when pressed) can get stuck. That or there has been a cleaning chemical leak down onto the button on the board itself and corroded it, causing a constant short.

As for the second Q, I feel that your TV may have received a shock through the audio line and the audio amplifier may have taken the hit. These problem can lead into multiple bad compontnts, such as a bad SMD IC on the bottom of the board.

Posted on Jan 08, 2008

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The volume onmy Emerson TV turned down to zero. I turned it up with the buttons on the TV it turned back down to zero. The zero volume stayed on the screen.I turned the volume up withremotenoresponse.

The main system control memory IC to this TV is damaged. Replace it. If you wish to get some details; visit the site linked here. Pull up older posts. Surf the site with patience.

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Toshiba 32a33. I'll be watching tv and the volume bar shows goes down to 0 (no sound) when it is in this mode the remote control will not work on the volume, you can get up and manually up the volume...

1st check to see if your remote volume down button is stuck. 2nd do you have wireless internet (router) or any other wireless devices phones,ceiling fans, another Toshiba remote, if so try unplugging them (or remove the batteries if it's a remote) while it's changing the volume one at a time. If a different device makes it stop try changing the channel on it. Also make sure the t.v doesn't have a mind of its own and remove the batteries out of the t.v remote, let it ride for a couple days if it happens without the remote being in play then you know your t.v is acting strange, if it stops then starts back up when you start using the remote again then you know your dealing with a remote issue. Sometimes Freq.'s merge causing remotes/wireless devices to conflict with each other.

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The volume on my tv goes down all by itself. I turn it up and it goes right back down to 0. With remote or manually, does the same thing. Also, can't turn tv off. have to unplug it to turn it off. Any...

Try taking the batteries out of the remote or taking it out of range from the tv. Then try turning the volume up on the Tv manually. If the volume continues to go down on its own then it is a problem with the tv set itself. If the problem stops with the remote out of the picture then it is a remote problem. As far as powering the unit off may be a similar issue. If there is an on/off button on the tv and it works to turn the power on but not off then it is a tv issue. If the remote turns the tv on but not off it may be something as simple as the wrong code being programmed into the remote(universal remote) or if it is the factory remote it may be an issue with that. You could try getting a new universal remote that works with your unit.

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When i turn the tv. on, the volume line appears all the way to zero. if i turn the volume up, it goes up but when i release the up button the volume goes down all by itself.

It sounds like one of the volume down buttons is stuck in the activate position. The same as if you were holding the down volume button continuously. It could be either the volume down button on the TV or the remote. I would try remove the batteries of the remote then adjust the volume by the TV buttons.

If the volume doesn't go back down then the remote is the problem. In order to fix the remote you may need to take it apart. This is normally easy to do just locate any screws that may be holding the remote together. If you don't see any screws then you will need to pry the two sections apart. Separate the circuit board and rubber buttons and clean them both with some rubbing alcohol and reassemble it. If it still has the volume issue you may need to replace it.

If the problem persists with the remote deactivated then it's the volume button located on the TV. That is a little more difficult. You can try wiggling the button or some canned air (used to clean computer keyboards) to blow it clean. However it may need to be disassembled to gain access to the switches for proper cleaning.
Hope this helps.

Oct 19, 2009 | Toshiba 32A33 32" TV

1 Answer

Volume decreasing to zero by itself

Have you looked to see if the Button on the tv itself is stuck in. Press it and you might be able to feel for it sticking. If this is the case you may want to try a baby wipe or something similar to try and sort this out. (dont use a sopping wet cloth)

hope you get this sorted.

Little Dish Fitter.

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Volume decreases by itself

maybe defective speaker or audio output ic or shorted capacitor within audio circuit

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