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

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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.

Posted on Oct 02, 2009

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Pink horizontal lines on samsung plasma tc when white background


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If that is the case, maybe vertical IC failed or loose connection.

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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

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1 Answer

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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.

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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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1 Answer

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No vertical deflection. Vertical output IC, caps.

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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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