Quote:
Originally Posted by andy
It's unlikely, but it's possible that another problem such as an internal short in the CRT, or a bad flyback could be causing excessive voltage on that CRT pin. Try running it with the CRT socket unplugged to see if it still arcs on either the socket, or the end of the CRT.
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Exactly..........
Could also be the spark gap in the CRT socket
All pins will have spark gaps almost always built into the socket.
Sometimes they are separate little rectangles with a slice
in them. Usually fail from too much focus voltage ( FBT ).
73 Zeno
LFOD !