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I have an old Toshiba TV and was going to replace it with a new plasma because it has suddenly (the week of July 19, 2010) lost color. It has only green and blue tint. Changing the "tint" on the menu didn't help. The color comes and goes relative to nothing that I can measure, such as how long it is turned on, etc. Reading other complaints from owners of Plasmas, I am thinking it is cable related. I have Charter Cable. Playing a DVD, I have to readjust the tint back to normal. Hope this info gives clues.
Check the color settings in the on-screen menu. You can choose between "Warm", "Cool" and "User". Maybe you used the "Warm" setting before and somehow it got changed to "Cool". If this is not the case, you can try the "User" mode and reduce the intensity of the blue channel. If even black areas show a blue tint, maybe running an auto configuration from the menu helps. As a last resort, use the "Reset" menu item which resets all settings to factory defaults.
open the back and look into the projectors red blue and green should be clear picture if its blurry need to change the coolant if its not on need to replace the projectors
see if there is a "default" option, if not set everything back to the middle, if the colors are still off you sure its not the convergence?
most big screens allow you to change "color temperature" it's like a default adjustment for 3 different brightness levels.... ie...COOL, WARM picture will show obvious changes in brightness
I've found that strange color tints are usually the result of a loose cable connection, either at the computer end of the monitor end.
Try unplugging both ends, and then replugging both nice and securely (might even try reversing the direction of the cable, if it is a simple VGA-VGA cable).
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