Getting blue picture from KP-51HW40 51" Rear projection t.v..
My Sony KP-51HW40 51" rear projection's picture is very blue. Also every so often it gets extremely blue then shuts off. I thought it was a bulb problem but i'm not sure.
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KP-43T70 is a CRT based rear projector and does not use a Lamp like newer LCD/DLP projectors. It uses 3 (Red, Green, Blue) glycol liquid cooled CRT's (like the picture tubes of yesteryear) to produce the image/light as opposed to a Lamp.
Hello ksolovy, i understood your Problem with the Sony KP-53V90 53 in. Rear Projection Television,In fact i encountered already that kind of problem you have it now. Check first the color wheel im sure that the blue section of your color wheel was burned and the blue color turn to dark; That's why you have seen dark picture, Re-place color wheel.
The blue CRT is getting bad, you can try turning down the Blue CRT drive control slightly which may slow the progression down some, but eventually the Blue CRT will need to be replaced
Go to the following link and leave your model number in a email and list which tube you need, they have access to just about any new replacement tube that you need for Sonys. they dont list them all, but leave a email I am sure they will have what you need.Heres the link. http://servicemanuals.vstore.ca/
My dad has a sony rear projection tv and had this same problem. A shop had to replace one of the color tubes(?) (green, red, or blue) had to be replaced. The shop said this was common with Sony rear projection TV's.
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