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The screen is just coloured lines sound is ok. I only swiched it on this morning.

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The image processor in your tv has failed and the entire mainboard will have to be replaced. This is a major fault, expensive to fix - depending on the exact age and model of your tv, up to $400. You must decide yourself if the tv is still worth that amount of money.

Posted on Aug 22, 2010

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Toshiba satellite c55t pink lines on screen. Pls help my laptop screen colours have change. There is pink lines on screen as soon as u switch the machine on.


Faulty screen by the sound of it. Try on external monitor. If All OK on external monitor the screen is faulty.

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you can try contacting Lumaco they are a British monitor repair specialist.
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something fried .. sounds like the vertical has gone ,
call a tech.

Mar 07, 2008 | Televison & Video

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LG PLASMA TV WITH COLOURED LINES OVER SCREEN


If the Video (Picture/Pix) is gone but you can hear the Audio (sound), then it could mean the YSUS PCB Assembly is gone/kaput/finish. Can replace the PCB, not repair the PCB due to timing circuitry involve. Cost maybe roughly $500 depending where you located. The PCB is located on the left hand side of your TV when you are facing the back (Back open). Might find 3-4 brown flex membrane connecting to the plasma panel. The PCB has a silver or black aluminum heatsink (big) on it.
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Lines on tv


Set starts, horizontal and vertical deflection work, HT ok, crt heaters ok, but no sound or picture
I turned the G2 voltage up and noticed a white screen with flyback lines, frame ok. I detected two badly soldered double diode rectifiers in the secondary part of the power supply ! I checked all other joints, and everything was ok !! success
White horizontal line (no vertical deflection)
Check / replace R548, R549
Sound but no picture except for a couple of horizontal colour lines
Replaced the frame chip TDA8356, set now ok

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Tv showing blue screen with flyback lines sound ok


Flyback lines? Is the picture all white with no brightness control with faint horizontal faint lines? If this is what you are saying, the screen voltage could be bad, and if thats the case, the picture tube or the flyback itself could be bad. You could also have a bad connection on the crt socket

Dec 27, 2006 | Philips Magnavox 20MT133S 20" TV

1 Answer

Sony Tv 29 Inchs, The Picture Keep Swiching off and replaced by fable shadowi pinky multi colour light


Your symptom description is a little vague. Is there sound? Is there a full screen? Assuming there is a full screen and sound I would look for bad solder joints on the boards. Particularly the CRT board but really just resolder all the connections in the set. The KV series has been plagued with more than their share of bad solder joints. Give this a try first and if this doesn't solve it give us a more detailed explanation of the problem. Good luck.

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