Hi, I have a Sony KP-43T70 it is 7 years old and I'm the original owner. My problem started around a year ago but it is getting worse, the picture looks fine some of the time but when there is white in the background the pictures look like they have a green ghost. I have cleaned the lenzes and wiped off all the dust on the mirror but it is getting worse. Have I done something wrong in the hook up? Thanks for all the help.
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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.
5 times blinks is error code for No Good White Balance and you said that picture is very green. As you know TV is approx 7 years old so it needs RGB gain adjustments. If you are TV tech person or know about TV repair, let me know to guide you further. Or contact local TV repair shop to fix it.
remove the front speaker assembly and the small access panel behind it and you will see a small square control assembly with 6 dials on it 3 control the color guns and 3 control the 3 gun focus. Try turning down the red control slightly they will be set up just like the CRTs red green and blue.