I have an old Apple IIe CRT monitor which could use a small horizontal width adjustment. Unfortunately, as I try to rotate the hex key in the coil with a CRT adjustment tool, it doesn't want to move. Is this a common problem that's fixable?
I think I can dig up a replacement coil from another broken CRT board if I must, but, of course, I'd rather not resort to unnecessary surgery.
That also begets another question: Are these inductors pretty standard across old CRTs? I see that you can buy replacements for arcade CRTs, so I wondered if such a replacement may work as well in an Applie IIe. I suspect it's just a matter of matching coil width and number of windings roughly to ensure compatibility.