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Well, I put everything back together after some cleaning. Powered it up without the back, and guess what? It wouldn't do it! The HV just made a little noise depending on what was on the screen. Made the most noise when on a blank channel.
Another issue came back though. Same issue when I started messing with the set. No raster at startup,(after 30sec warm) except when the brightness was played with. When the brightness is played with the screen just flashes dimly. After running a bit, it quit having that problem.
Now that's back and the sets not recovering from it. I noticed though, in the dark that it will light the screen dimly, if set low but when you raise it, the image zooms in and raster dissappears. Sometimes (intermittantly) full brightness will reappear and it looks good but diss appears again. As it does that, the HV tube will flash dimly...And you'll hear a little zzzz from it.
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