Sony KP-41T65 41" Rear Projection Television "tv screen green dishnetwork" Questions

...screen. If you turn these too high you can damage a tube. so we are doing real small adjustments. Turn the color off on the tv and adjust the red, blue & green controls up till you get a fine ...

TV, colors seem to be blues and orange. Signal is from dishnetwork thru A/V receiver. When I switch from receiver to tuner green,blue & red colors dance across the screen . After playing the tuner for