This is what is telling me it HAS TO be the selenium diode pack.
http://suzaku.live-evil.org/hoffddd.jpg
Pin 8 goes directly to the pulse winding of the FBT, and I know the 320v signal has to be there because those horizontal pulses are vital to burst amp / color killer / chroma bandpass, and color is perfect.
R25 R28 R227 R228 OK, so X7 it is!