Question about Sony FD Trinitron WEGA KV-21CL10 21" TV

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Coloured lines down my tv

I have 2 lines comming down from the top of my tv, one comes down and seems to round a round about. line are about 1mm wide, one comes all the wat down the other stops 1/2 way.
Is my tv fixable ? or do i need a new one ?

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If the coloured lines are in the edges, then there is absolutely no problem and it should not be visible from a viewing range of 1.5 meters and further. If the lines are in the middle of the screen, then your phosphor coating (the screen) is burnt. you need to buy a new one, since burnt screens are not repairable.

Posted on Jan 23, 2009

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My TV has been acting strange lately. When I turn it on, the screen looks purple and has these horizontal lines up and down the entire screen. They don't expand to both sides of the screen, though. WHen...


there seems to be a problem in the horizontal circuit...there is a control on the flyback transformer that is labeled "screen". (you'll have to take the back off) The flyback is the component that looks sort of round with the red high voltage lead coming out the top and connecting to the top of the picture tube.On the back of the flyback there will be 2 or 3 controls if 2 there will be 1 focus and 1 screen, if 3 there are 2 focus and 1 screen..using an insulated flat blade screwdriver, slowly turn the screen control counterclockwise to see if this will make the lines go away...if not then there is a horizontal cicuit fault and quit possibly a pincushion problem(hourglass effect)..these will need to be checked by a service shop

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A black line (about 2 inches wide) appears at the top of the screen with this amount of the picture looking like it is folded down translucently over the remaining picture. What's up?


Hello
Your TV has vertical fold problem. Just check all the electrolytic capacitors. On checking, most of them may look good. But on circuit, when energised, will show problems. So it is best to replace all of them once and check. Please check the electrolytic capacitor connected to the vertical power supply [usually comes from the secondary supply section of the Line Output Transformer], first, and replce it. It may be a 1500Mfd or 2200mfd. Check it first by replacing a new one. In most foldover cases, this service will solve the problem. gopakumarg43@ymail.com

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I have a hitachi 43FDX10B ultrascand HD rear


well it seems to me that you need to call the manufacturer to see how to reset the pixels for that tv. it seems someone has taking a magnet or something like that to the tv screen

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1 Answer

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You have a vertical output circuit problem. This was common for Philips' sets. Have a repair shop check it out. Should not be too expensive to repair.

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3 Answers

Horizontal white lines across top of TV screen


Hi I had the same problem. Broken white lines across the top of the screen. This is called overscan. You need to go into the Setup menu, other settings. 16:9 overscan needs to be on. Hope this helps.It solved our problem.

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1 Answer

Intense white & coloured horizontal line on black background on startup


I wouldn't attempt as the capacitors on a tv store around 25000 volts this is more than enough to kill you and they keep there charge even when the tv is off. Either take it to a repair shop or put that money towards buying a new tv - Do not even attempt to open the tv. (It sounds like maybe a tube has gone or the electromagnet that makes the beam move vertically is gone.

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1 Answer

Black line problems


Some components in the vertical deflection amp have been going out of spec with age.

The set may no longer be worth to spend money to service it because of its age. However, if you wanted to invest the money, the set is serviceable. Considering its age, the CRT may be soft, and there are many other older components that can soon fail.

I would be considering a new set.

Jerry G.

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1 Answer

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your problem is in red video circuit. please get it done with skilled tech.

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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.

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