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Picture screen my television has no picture or sound it just has black background with a white horizontal line in the middle same exact problem. about 1/4" horizontal line across center of screen. it's obviously projecting only that much of whatever is on screen as colors change, brightness, etc . occasionally recovers but no way to know when. has anyone replied for a solution? this tv is not worth lugging to a repair shop since i know they will just tell me its cheaper to buy a new one than to pay to fix this one. ugh!

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  • Anonymous Oct 08, 2008

    I have the same problem and it just happened, this evening when I turned it on it was black with a white line through it.

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Hello! You have vertical collapse. There are bad solder connections at the vertical output IC. I have repaired MANY panasonic tv's like this. Very easy to repair if you have any soldering experience. If soldering does not fix the problem you need to replace the vertical IC. Good luck

barneyluc

Posted on Oct 10, 2008

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My television has no picture or sound it just has black background with a white horizontal line in the middle


If it's old, it's most likely reached the end of it's working life. Some older sets had a 'service' switch for repairmen, when the switch was thrown it would produce the same effect as you describe.I wouldn't really call this a solution, but get a new one.

Oct 02, 2009 | Televison & Video

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Did you mean the picture is collapsed only in the middle horizontally(white line appears on the middle part of the screen)?
If that is the case, maybe vertical IC failed or loose connection.

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Vertical hold circuit is failing.

Check capicitor in vertical hold circuit. You should have solid knowledge of electronics repair before attemping repair. TV's can emmit harmful radiation, and produce voltages up to or in excess of 30kV.

Oct 07, 2008 | Televison & Video

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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.

Sep 03, 2008 | Televison & Video

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I have same problem,it appears to be the flyback
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Jan 09, 2008 | Televison & Video

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It sounds like a vertical deflection problem. You mentioned you had a white HORIZONTAL LINE in the middle of the screen. If this line runs from left to right across the screen it's in Verticla deflection. If it runs from top to bottom, it's in Horizontal deflection. I am assuming the problem is a Vertical deflaecion problem. The repairs necessary are most likley to replace the vertical capacitors or the verticla deflection chip.
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Ed
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1 Answer

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caution whenever you see horizontal line please reduce brightness of your tv for safety of crt. your problem in vertical section only mostly due to loose contact in connector,print or loose components.

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