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I have a discolouration mark on the screen that I believe was cused by holding a dvd on pause for too long. It has been suggested that I degausse the screen. Can this be done?

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If it looks like a faded version of what was paused on the screen, it sounds like this is a plasma, if that is, that is called burn in. It is not something that degaussing will fix, degaussing will help if you had a magnet to close to the screen. burn in will slowly fade, you can help speed up the evening out of the picture but finding something that will make the whole screen white, and pausing on that, walk away and leave it like that for a few hours, and that can help make the burn in not so noticeable, but may dim the entire picture ever so slightly.

Posted on Mar 21, 2011

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    What does it mean "to find something that will make the whole screen white". What exactly would that be?

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Depends on what type of tv it is , if its a cathode ray tube tv then yes you can, if its a lcd or plasma then no you cant, you could try a program called pixel protector on the latter two types of tv, this will play white noise continuously on your tv to try to make the pixels rest , there is no guarantee that it will work, but worth a shot at least

Posted on Mar 21, 2011

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1 Answer

Red glare on screen and seems that paused script is burned into screen.


Hello
This is anormal fault to all flat panel tVs. If a still picture is paused for a long duration of time, itd image will seem to appear on the secreen even after that picture has been moved away from it. In some cases, this fault will be retified with time. There is no repair for this fault. Just input any plain white screen signal input to it, and let it be there for at least 15 minutes or so. If the fault has not been rectified by this, the screen may need repalcement.
As your set is almost new one, and will be within warranty period, just cusult to the service center for any remedy. Never tell them the cuse for this fault, as you have made it by yoursef (eventhough they knows the cuse). OK.

Nov 14, 2011 | Televison & Video

2 Answers

When i turn on my tv, the screen has like rainbow color all over it. i found out if you hold a magnet up to the screen, the color moves if you move the magnet. no picture of anything,,just color i...


To fix this, you need to do something called degaussing. You should keep magnets away from the screen in the future, because they cause this problem.
The first thing to try is to turn it on and off, making sure that all magnets and speakers (which have magnets in them) are kept far away from it. This will activate the monitor's auto-degausser if it has one. If this does not help, this guide: http://www.wikihow.com/Degauss-a-Computer-Monitor gives a couple solutions, including using a soldering gun (not a soldering iron), illustrated in the video below:
With a powerdrill:

Or investing about 60 bucks in a degaussing coil like this which is a guaranteed fix:
One other trick that might work is to take an old CRT monitor ("fat-screen" rather than "flat-screen"), hold it up to the tv screen to screen, and turn it on and off to have the monitor use its own degausser. The monitor may have a button to activate degaussing, or it may be in the menu you can bring up with the buttons on the bottom of the screen.
If you don't want to deal with any of this, a tv repair shop will degauss your tv for you quickly.

Feb 28, 2011 | Philips Magnavox 27MS343S 27" TV

1 Answer

Black marks on screen i think it needs a degaus but dont know how to do it


LCD monitors do not need degaussing. They operate in a completely way to CRT monitors.
Tiny black marks are most likely dead pixels, if the black marks are large then the LCD screen may be damaged (cracked glass).
This type of damage cannot be repaired simply, the screen needs to be replaced.
I suggest you put your money towards a new LCD monitor.

Sep 03, 2010 | LG Flatron L1710M 17" LCD Monitor

1 Answer

Hitachi C21 model.The colours on screen have got scrambled.


It sounds like something has left a strong magnetic field on the face of the picture tube, and that's causing the colour distortion. The electron beams from the tube's colour guns are hitting the wrong spots on the face. There is a degaussing circuit in the TV that tries to neutralise such fields every time the set turns on. Sometimes electrical equipment (particularly motorised appliances like a vacuum sweeper) operating too close to the TV can leave a field too strong for the degaussing circuit to cope with. Or a failed part in the circuit may have made it inoperative.

A hand-held degaussing coil can be used to remove the field. You can purchase one online, or call a TV service technician. It used to be a standard tool to carry.

Another possibility is that the tube has been damaged. There is a very thin metal mesh screen called the shadow mask behind the face of the tube. If this mask has been warped by a strong magnetic field or a mechanical shock (if the set was dropped, for instance), you will see the same colour distortion. In this case, however, there is no repair other than tube replacement. And that is likely to cost more than a new set with parts and labour.

Jul 26, 2010 | Hitachi C21-F200 21" TV

1 Answer

Tv discolouration


Magnetized The set is probably magnetized and needs degaussing (demagnetizing).
All CRT type TV's have an internal demagnetizing circuit that is engaged when the set is first turned on after being off for the day.
If this circuit is working then you sometimes hear a "bonk" sound (about 1/2 a second long when the set is first turned on. If this circuit isn't working the set will become magnetized over time and will have to be degaussed using a degauss coil available at a TV repair shop (cost aprox. $35.00) and you should have the circuit checked at the same time. A set will also become magnetized if a large speaker (magnet) or motor is close to the TV.

Sep 22, 2009 | Televison & Video

1 Answer

Blue screen


no sounds on tv

Feb 25, 2008 | JVC AV-27260 27" TV

1 Answer

Tv discolouration


It sounds like your problem is magnetisation of the crt. Try to switch it on and off for 3 times: on for 1 minute, off for 3minutes, on for 2minutes and off for 5minutes. Then switch on and see if the discolouration dissappeares. IF not, then a technician needs to check the internal degauss circuits.

Jan 24, 2008 | Beko 324250WN 28" TV

1 Answer

CRT discoloured


If it's a deguass problem, you can glue some very small magnets to the sides of the crt tube itself, it could be the shadow mask, inside the monitor, and if it is then nothing will fix it, if you can get a deguass coil from somewhere that would tell the story real quickly

Nov 04, 2006 | LaCie Electron 22blue II 22" CRT Monitor

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