Quote:
Originally Posted by vortalexfan
Well I had replaced the burned up one with another one and for some reason the picture tube is glowing a purplish color inside the neck near the socket, and I'm not getting any picture on the screen.
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NOT GOOD
that means the CRT is gassy. like seen here
https://www.flickr.com/photos/70039806@N00/5379156237/
Running it with a bad tube like that can cause all sorts of nasty feedback problems.