The red cannot be controlled even when the top left bottom behing the panel is accessed, it is not sharp once in a while. It flickers as if there is not enough voltage to sustain color scheme especially after a long period of time being on.The red cannot be controlled even when the top left bottom behing the panel is accessed, it is not sharp once in a while. It flickers as if there is not enough voltage to sustain color scheme especially after a long period of time being on.
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The TV is a plasma screen. There are several circuit boards that will go bad over time that affects the picture quality. TV Parts Universal TV Stands DLP Chips ShopJimmy You can get the parts here and replace those boards yourself.
Not uncommon on this model as a lot issues with the red and most of them are caused by touchy master screen controls. The set has a black rectangular block with three screen and three focus controls, for whatever reasons the red screen control always seems to be the flaky one and usually a very tiny adjustment of that one does cure the problem.
You should not adjust those knobs...Turn them back down - the ones marked "screen"...then power up and turn them up again slowly...if you go too far they will shut off again. Once you get the tubes back on again as normal you can fix the original issue for dull video. Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.
intermittent convergence fail. suggest re-soldering the 2 convergence output ICs on the middle power board. they are the 2 large devices located on the largest heat-sink on the middle board(looking at from back) once you re-solder them as long as the aren't faulty internally you should be all set.
The red cannot be controlled even when the top left bottom behing the panel is accessed, it is not sharp once in a while. It flickers as if there is not enough voltage to sustain color scheme especially after a long period of time being on.
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