Well, there's your problem.. And, sometimes you win, sometimes you lose.
Good news; I found the source of the rattling, and the source of the arcing.. Bad news; the tube is very much broken and it was two pieces of glass.
I kinda knew it as I was pulling off the CRT connector at the back since the tube was moving around as I was prying it off.
How are my chances that nothing else is damaged from this broken tube? Everything else looks totally undamaged and in excellent condition. After all, it has been turned on with the tube in this state.
I was contemplating posting images of the boards but decided that there is plenty throughout the thread. Let me know if you want images of something.
I have been looking at
this sellers ebay shop and they have a lot of good stuff, and very good feedback. I've found a few other tubes on ebay, but haven't yet decided if I should wait for a for-parts scope which may have a bad and/or burned tube, or just buy
this which would cost me €134/$146 including shipping. It would still be a cheap 2465B in the end, if nothing else is damaged.
Any other sources for a good tube or for-parts scope? Or anyone that has a suitable tube or donor scope? Has to be within EU because of tax and shipping.
Tubes from 2445, 2445A, 2445B, 2465, 2465A, 2465B,2430, 2430A, 2432, 2432A and 2440 are all suitable, right?
I don't
need this scope now but I really
want it now. It would also be the fastest scope in my possession.
A good thing about waiting for a donor scope is having spare parts/boards if something else is broken. Or parts to sell once this one works - that could perhaps pay for the majority or the whole thing in the end.
To end on a positive note, this does give me time to order caps and recap the A5/A2A1/A3 boards.
Edit: I think the seller must have known, since he mentioned the tube might need replacing, and suspect that he dropped it. Oh well, he did warn me..