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Seems like everything but the receive chain is functioning close to correct.
Your going to need to do purity (based on the second pic), greyscale (Pic is too red and blue on the monochrome patterns), and possibly focus adjustments.
Typically there are 2 standard heater pins for compactrons. If the solder lugs on that socket under the tester chassis have voltage, then the ends in the socket are probably dirty, bent such that they don't grip the pins, or have gone open (also possible for the pins of a tube to be too corroded to make contact, but that can be debunked by trying a different tube).
Try and clean the socket, if that don't work try desoldering the leads from the heater pin terminals and pushing them out the top from the bottom then tightening the pin grip or replacing the contacts with ones from a similar socket.
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