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My 2000 rear projection tv colours are out of wack ,but colours are high on one side and low on the other side need codes or something the model is pt-51d30cb
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You will also find there is colour disorientation in these areas. The reason is that your settings on the york had shifted, also it could be due to failure of the degaussing coil, or if there is any fault with the convergence inside the picture tube which could be a major fault.
Try to degauss, see the picture tube neck for any ring magnets out of alignment, also check the focussing in the rear panel which could have shifted.
If you have a Sony rear projection LCD TV then you have a failing optics block. LCD TV's are not affected by external magnets like CRT TV's were. The optics block issue will only get worse and needs to be repaired by a technician.
I have a similar problem with an LG (except my red is the one that is fine) and was able to talk to a tech in some detail about it. The tech prefaced by saying that he had done a hundred or so of these with exactly the same issue. This is very common and the life span of rear projection televisions is not great. Having said that, plasmas and LCDs are also limited in life span mostly due to modern high performance gaming machines which shorten the lifespan of monitors both plasma and LCD alike.
From what I have gathered, this is not a problem that you can easliy sort out. (Of course they would say that though) It involves replacing the digital board which means soldering followed by aligning the lamps which requires quote a lot of expertise.
The part itself apparently costs around $200 Australian and the labour will vary for the cost of the technician but I was quoted that the labour was about the same cost as the part.
Not sure if I would call this solved but I hope it has been at least a little helpful.
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