Hi Bogdan,?
Every 2467B crt has that black rectangular spot. My guess is that it is the getter that was fired to remove residual gas.?
The tube shows a bright spot, which implies that the tube is not broken, the vacuum is Ok. No sweep though.
Pl get the scope going and see if it works. From my own experience, very hard to burnt out the 2467b crt.? The circuit will switch off the crt trace when nothing happens after a set time.?
Good luck.?
cslim?
