Question for the 15 inch gurus: does pin 13 of the CRT itself typically show signs of having had 10 kV or so on it? Or would you only expect to see marks on hole 13 of the socket?
The CRT has absolutely no signs of having had convergence voltage on pin 13. I mean none. But the corresponding hole in the socket is pretty chewed up...
Maybe the tube was replaced at some point.
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