Question about Toshiba 42HP83 42 in. HD-Ready Plasma Television

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My Toshiba 42hp83 has a rectangular area of the screen that changes colors randomly from the left-center of the screen down to the bottom. After about 20 minutes of the TV being on, the problem usually goes away, but then comes back periodically.

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We had a similiar issue with our SAMSUNG Plasma TV. It had a 2'or 3" vertical bar of random colors on the right side of the screen. It would also go away but then come back. Fortunately for us the TV was still under its original 1yr manufacturers warranty. We called the customer support and they scheduled a service call. The TV repair man took our TV to the shop and replaced the defective components. It took about 3 weeks for the repair.

Posted on Nov 06, 2010

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LOOKS TO ME U NEED A NEW SCREEN......
BUT CALL TOSHIBA SERVICE CENTER AND TELL THEM THE PROBLEM U HAVE I AM SURE THEY WILL HELP U TO SOLVE UR PROBLEM
ON THE WAY A NEW SCREEN IS EXPENSIVE U MAY CONSIDER TO GET UR SELF A NEW TELEVISION

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There's a 'data control' and/or 'address' problem that's developed. Pixels depend on voltage, control, and data coming too their designated address.

A digital circuit feature called a 'DATA_ADDRESS_ BUS" are responsible for 3 criteria: Delivering voltage, control, and data to each pixel in less than a second.

1) If voltage fails the pixels don't light up. They appear black in color (their 'off 'state)....numerous pixels that don't light up look like a black line. But their actually individual pixels with no voltage.

2) If control fails then all pixels are white in color (their 'on' state). Without control the pixels can't adjust properly to high or low 'state', meaning brightness and dimness. This looks like a white line vertically on the screen.

3) If data fails then the pixels can't adjust to the proper color at the proper time.
This appears as a line that changes color out of sync with the entire picture.


Have a technician look at the pixel address registry circuits. As well as control and linear circuits....the problem is somewhere in there!

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Just on a whim I'd say you have video out put circuits in distress.

can you say WARRENTY lol

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