Toshiba 55H70 55" Rear Projection Television "red green blue crts" Questions

red green and blue come on. Then the green and red go off. The blue stays on for a few seconds then the Tv shuts off with 7 blinks of the standby light. This unit is notorius for having shorted or int

...red: Green and blue CRTs not firing. This is easily observed by running the TV with the back cover removed. Probably a loose connection, but you will need the manual to trace it. You could gently tap ...

...red, green, blue). Once you locate the focus divider look at it closely. The focus controls are on top and the drives are on the bottom. They should be marked red, green and blue. You want to turn up ...

...green and red color sounds like the Blue CRT drive has an issue which causes the blue to become dominate thereby limiting the red and Green CRTs from projecting normally. Is your screen full of

...green and blue get contaminated which dims them and makes the red become dominate and the picture will get dim and out of focus. rayallen56 I am pretty sure you have solved my problem. Your help is ...

...I recommend replacing the Red and Blue first, adjusting the geometry and convergence to the original Green. Then replace the Green, adjusting the geometry and convergence to the new Blue and

...CRT coolant can get contaminates which dim the blue and green CRTs so the red appears real dominate. Looking into the lenses of the three CRTs with a flashlight will verify if the coolants the issue

...red shadows on bottom of screen? Hitachi big screen tv 6 years old Hello Mia1026, First I would suggest that you have a qualified TV technician look at your set because it sounds like your Blue and ...

...green CRTs which make the red dominate. You can see the coolant is bad by looking in all three lenses you will see that the red is clear and bright where as the blue and green will be hard to see ...