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No Picture On turning the TV on i`m greated with a rainbow of colours no picture at all the main colour appears to be orange, on turning the tv on again had 2 black solid lines to the right of the screen did have sound but that seams to have stopped now have checked the feed into the tv with another tv thats working fine cannot use on sign menu option as cannot get that screen on the tv ?

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  • 55 Answers

It might be in service test mode. You will have to contact the manufacture and ask them to tell you to turn it off. Front line agents may not know it so I would recommend to as to a teir 2 if any or ask them to look into the service manual of the unit.

Posted on Apr 22, 2009

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Why does picture have lines of different colors?


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Dec 11, 2015 | Sharp Televison & Video

1 Answer

In my onida 20cs tv, colour is gone only 2or 3 colours like violet and green appears, pls tell me how to fix it


If it looks like a rainbow of some sort and a standard picture tube set it is degaussing problem--set does this for a moment when turned on and if does not complete you get this---to prove this with set on turn the set to face another direction and see if the colors you see change or shift position.

There are things that can be done if this is the case.

Jun 11, 2012 | Televison & Video

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Technika LCD15DVDiD-108 no picture - sound ok


did anyone solve this please? i have the same problem and cant afford expensive repairs x

May 01, 2010 | Televison & Video

1 Answer

Sony wega 28 inch colours wrong, circle on screen


It sounds that there is some magnet near by TV that is affecting picture tube. Please remove any extra speaker or any thing that has strong magnet inside, unplug TV for 20-30 minutes, replug back in, turn it ON, hope that will solve your TV problem.
Thanks.

Nov 16, 2009 | Sony WEGA KV-28HX15 28" TV

1 Answer

Got a rainbow line in the middle is this the picture tube the tv is 5yrs apex tv


HI,

ITS NOT PICTURE TUBE PROBLEM ,,

ITS PROBLEM WITH COLOUR CAPACITORS WHICH INSIDE TV,,

APPROACH TECHNICIAN..


TNKS

RABBANEES

Nov 11, 2009 | Sony KP-57WS500 57" Rear Projection...

1 Answer

Colourful picture


Discoloration of this sort is caused by magnetism. All CRT TVs (like yours) have a de-gaussing coil around the picture tube that de-magnetizes the screen (more specifically the shadow mask) every time you turn it on. It is likely that the circuit that controls this coil is at fault. There is probably a cold solder joint where it connects to the main circuit board.

The other scenario is that someone (small child generally) has run a magnetic object very near to the screen, magnetizing the shadow mask (inside the picture tube) and causing a rainbow effect. This is less likely if the rainbow effect is a nice even circular shape. Generally if it's been magnetized by a magnet as described the discolored areas will appear blotchy.

In short, if you have some electronics skills, get in there with your soldering iron and touch up the connections to the de-gaussing coil. If not, find someone who does.

Oct 01, 2008 | Televison & Video

1 Answer

Rainbow colours appear on the screen after it fell over


Hey there well what i think happend is that the convergance has been modified and some parts has moved inside the TV. There's lots of posts in this website about this problem so just search for convergance. also check this link it will exlain you exactly how to deal with it http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-i.html Let me know if you need more help :) Tom

Jun 26, 2007 | Daewoo DTQ-27S2FC 27" TV

1 Answer

Line across top of screen


If the picture is ok otherwise then only thing that probably needs to be done is a vertical height adjustment. That is if the lines never changes position from cold to hot.

Feb 27, 2007 | Sony FD Trinitron WEGA KV-32FS16 32" TV

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