sylvania roundie D01

[DaveWM]

hmmm that cap is a 4.7pf from the sound IF detector and does not look like a voltage check would work to check it. I will check it later after scoping the keying circuit, esp the fly pulse at the plate since that was causing havoc with the strong Keying tube. there is a 68pf that couples the horz pulse that I have heard can cause issues, but nver ran into a bad one yet.