bad color crystal?

[ctc17]

Originally Posted by drh4683

Does it only show color rainbows, or simply no color b/w picture only? What chassis are you working on?

I do get the rainbow if I turn the color all the way up. I cant find the chassis number on this one. Its the chassis that has 1 transistor in the video circuit and the afc can. The rest is tube. (If that helps) The schematic that seems to be very close is 20x1c36