Wierd problem that suddenly went away

[JCFitz]

I have posted before about the Admiral 20Y4E chassis. Last post I made seemed to be ignored. I guess it's because it's about a common mid 50s set and not interesting enough to you guys.

Anyway I solved my integrator problem and my horizontal current problem and had a weird problem that happened as it played.It would do it at times more than others but never a half hour without doing it. What it was doing was the vertical would shrink ever so slightly and the picture would seem to jump when it did it.It was not power surge changes in the line voltage as it was pretty obvious when when my refrigerator came on and it did the old shrink from all sides for a split second.

Anyway I was set to try to tackle this problem somehow yesterday afternoon. was gonna even make a youtube video of the problem and it played perfectly from yesterday afternoon until midnight last night when I turned it off and went to bed.I watched it like a hawk. Not a flicker no matter what. Would be no problem if I was keeping this set as I would tackle it if and when it came back but this tv's new home will be a 3 hour drive away.

The only other problem is a ticking sound from the hv tube socket area but it is constant and doesn't vary any at all to cause this and in fact doesn't seem to cause any picture interference whatsoever.I even turned off the lights and can't see any corona anywhere.I think it's either the socket or the wire breaking down somehow.