Question about Panasonic TH-42PA20U/P 42 in. Plasma EDTV

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Static on top part of screen

After 15 minutes of play it gets static at the top. can this be easily and cheaply fixed?

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Re: static on top part of screen

What do you mean by static? any chance of having an attached screenshot?

Posted on Jun 04, 2006

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On older tube televisions this was referred to as the "warm in period". You don't get that on newer LCD as there is no tube to warm. SO, what you've got here is a growing problem with your LCD inverter board or your backlights. Both can be repaired rather easily (and cheaply) at most television repair shops. I've seen a lot of this on polaroid sets, and it almost always gets much worse very quickly. Eventually the TV will refuse to turn on. My recommendation is to get to the repair shop right away!

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pick up a can of freeze spray at staples and run you set till it breaks down with the back ooff so you can get at it fast when it fails spray your t-con board locates at the top middle see if it stops doing the symtom you saw. if not spray the mainboard this way you can deturmine which board it failing

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A loud pop came from inside the TV causing the screen to go dark, but the image remained. Smelled burnt component after turning it off. What would be the cause and can it be fixed?


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This is a common fault, your set needs a Z-Sustain PCB.

To give you the part number I would need the actual TV model number.

However, looking at the TV from the rear, it would be the farthest most board to the Right Hand side, it is positioned in the centre of the screen, connected by 2 / 3 ribbons one side and a couple of cables the other.

A TV repair shop should be able to fix it pretty easily. If not cheaply.

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static line at top is a problem with the broadcast input. many cable boxes and satellites create this because they dont quite fill the true resolution that the tv is capable of. the green splotches sound like overheating of the lcd lamps. id return it for a new one.

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I have a samsung 32 inch lcd tv,it has a mind of its own,turns itself on and off,can't alter the volume,icons stay on the screen.when its on ha ha the picture is great..

Sounds like a button is stuck? Hide the remote and make sure it's not the problem... if it persists, check and jab the buttons on the TV itself...

If it turns off, it sounds like the on/off button is the problem... and if it's jammed 'on', then other buttons wouldn't work.

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Tempermental TV

Hello Sir,
I hope your tv is the power problem or the main board.
But if this the back light problem then you don't need to repair your tv just sale as part (cause this back light part is hard to find and the cost is high).
You need to sent this tv for inspection. any question call me at 323-767-6030

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