Question about Philips Magnavox 20MT4405 20" TV

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It comes on with the words "THIS SHOULD BE YOUR NEXT TV..."

None of the buttons will work, it is on mute, but it has a good picture behind the words. It's like it is an advertisement for the TV and it goes thru all the options of the TV. It was working just fine before this began to happen.

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  • roger2clara Dec 17, 2008

    THANK YOU! It worked. I am so happy.

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Press the VOLUME UP and VOLUME DOWN buttons at the same time to clear this "demo mode." It's easy to get into it accidentally by hitting those buttons together, and then you don't know how it got there.

Posted on Dec 16, 2008

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2 Answers

Remote with TV stopped working for vol, AV, and mute. Only power button works. Used new Batt; no change. Used buttons on TV; none work there too. Is there something broken on TV?


If the buttons on the TV -and- the buttons on the remote don't work, then there's definitely something wonky with the TV.

The good news is that the power works and the picture looks good. That rules out a bunch of things. If you don't mind tinkering, replacing circuit boards on TVs is pretty straight-forward -- just take off the back, unscrew the offending board and replace it. You'll have to do a little research to narrow down to the right board to replace -- it might be this key controller board:
http://www.shopjimmy.com/panasonic-tnpa4280s-gs-board.htm

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1 Answer

I cant get the picture and words on tv


I've got to ask this first....sorry....... Is it switched on ? And has the plug got a good fuse ?......OK... Next. Its probable that you have the TV set to HDMI or some other interface within the TV. On the remote, look for a button named 'source'...press it and a drop down menu appears on TV with a list. Scroll down with arrow buttons to selected TV. That should get you your picture or select scart if that is how your TV is supplied. Good luck...

Dec 26, 2014 | Televison & Video

1 Answer

Dynex 24" lcd led tv


Check to see if mute is on, and through the menu to see is sap is on. Sometimes button are accidentaly pressed. If none of the above, the ntry replaceing your main board.

May 05, 2011 | Dynex DX-LCD37 TV

1 Answer

We have a DVR hooked up to our 1989-99 Mitsubishi TV (floor model) still in amazing working condition. The remote control for that TV never allowed us to put the TV on mute. If the mute botton was...


Well, without knowing the exact model of tv and remote, I can just give my best guess.
Try using the volume up/down on the TV and / or the remote.
On the TV, try pressing both the volume up and down at the same time.
Stick the remote right in the face of the TV (direct in front of the remote sensor) and hit the mute button.
Try tapping the mute button in very short single bursts rather than pressing it for a half second like you would any other button.
If any of those work, please come back and reply with the model of the TV and remote, because someone somewhere probably has the same issue and would love to have it solved!

Feb 24, 2011 | Mitsubishi Televison & Video

1 Answer

I have a Sharp LC37D43U TV that has no audio. The volume indicator shows can be moved up or down but no sound comes through the speakers. The picture works fine. I have nothing else connected to the TV....


It appears you ve discovered the sound task levers required to adjustment properties. Your Tv can still move levers even when the volume is set to mute. Select the unmute button before any voice or audio would be reactivated. Assuming that seting the TV on mute has predominant integrety over the volume functions where not unmuting usually with the same button on the remote would not achieve accessibility to the volume functions. refer to the TV user guide for diagnostic audios. Good luck

Jan 09, 2011 | Sharp Televison & Video

1 Answer

No sound and says ''speaker off''


Most TV sets have a 'mute' button but this one is usually located on the remote control. it usually has the word 'mute' or a picture of a speaker that is crossedt . this is the button you should press to restore the sound. pleae first confirm that the remote control is in working condition by first trying out the 'power off'/ 'power on button' on the remote control

Oct 24, 2009 | Televison & Video

1 Answer

The tv powers up and displays a picture with a fuzzy square on the left hand side but the picture is fine behind it. It stay on for about 10 seconds then restarts and carrys on doing this all the time.


needs a simple reset

NO RESPOSIBILITY ACCEPTED

do this exactly

tv in stand by
press the following buttons in order

info
menu
mute
stand by

when tv comes back on
select reset

this puts tv back to factory mode
tune in etc as if a new tv

Jun 24, 2009 | Samsung LE26R73BDX 26 in. HD-Ready LCD...

2 Answers

MY TV HAVE LOCK UP


I just fixed my celera k12b-c11 tv. All you do is hold the f button and the mute button in for 3o seconds, and your tv will unlock itself.

Sep 26, 2008 | Quasar SP-3235 32" TV

2 Answers

Locked tv


MY TV IS LOCKED CANNOT GET IT TO TURN ON HELP!!!!!

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1 Answer

Toshiba CX32G60 32" picture, but no sound


your audio is set to (sap)
press mts button on the remote unite until it display the word stereo

Mar 30, 2008 | Toshiba CX32G60 32" TV

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