B&K 465 acting strange

[Jon A.]

My guess is that emissions will drop quickly under regular use, or suddenly drop to nothing when the filaments open.

Originally Posted by MadMan

I'm pretty sure that means the crt is full of air. Why not just test a known-good tube? You know... like one that's actually inside of a working tv that you have watched recently? I know you have at least one -_-

Yeah, what he said.

If a lot of heat was used for cataract removal, it may have gotten to the guns and compromised the seal at the pins.