I spent too many hours working on the color setup and convergence, but for now is acceptable. Back to the video composite injection circuit see below for the video signal when viewing a test signal. The video wave form shows about 10v pp. I should note the TV picture is using the tuner, I have removed the injection circuit for now.
Work in progress:
Video signal from above input using the tuner:
Here is the circuit I used for the injection:
