Quote:
Originally Posted by dieseljeep
I'm pretty sure it needs an ion trap! Try it first to see if you get a raster. If so, it doesn't need one. If it doesn't, try an ion trap.
Of course, you have to remove the magnetic focus unit.
The focus pin is one that you have to without a connection or grounded or to B+ source. Most of them never needed a connection to provide proper focus.
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it should be fairly easy to see if it needs one just by looking at the elements, from what I'm able to tell.
example the remains of the broken one.
https://i.imgur.com/W9A88bN.jpg
again excuse my finger in the pic
as you can see that one grid is slanted, a NON ion trap one won't be, I'm sure.