On Sun, 2 Jun 2013 20:01:50 -0700 (PDT), wrote:

What most likely happened here is that that the solder connections to the degaussing thermistor went bad and opened up on the initial surge after turnon.

The idea is to magnetise one way and the other at less and less strength, evenually decaying to zero. What hapens in this failure mode is it gets magnetised one way, the connection breaks and the process is incomplete.

Because of the high amperage involved there is usually a brown ring around the connection. To resolder you have to remove the old solder and clean the pin as well as the pad.

Sounds good. Because this involves turning the tv around (which
involves cleaning off the kitchen table) I'm saving this one for
third, even though it sounds like something I can do.

Thank you all. I've read all the posts as of last night, and I also
like the idea of degaussing and of using a magnet to see what happens.

Right now, I'm trying to remember where I keep all my magnets. I have
all sizes but the only ones whose whereabouts I know are on the
refrigerator.

The only degaussing coil I have came from a tv I destroyed. I never
found a power supply for it, and right now I also can't remember where
it is. There are only two rooms in the basement. It has to be in
one of them. But anyhow, I went on Freecycle to try to borrow a
degausser. It worked when I needed a metal detector, although it
seems borrowing is against the rules, and some moderators won't
approve a request to borrow. So I say it's a request to be given and
then I'll reccycle it again in a week, including to the original
owner. .

The other possibility is the shadow mask (aperature grill in a Sony) cut loose.

There may well have been a current surge while I was gone (though
nothing else looks bad, so far, and all the clocks were still right
(Yeah, that's not a surge, but still.)

But I don't think there was an earthquake**, so I'm figuring the
aperture grill is still in the right place. When I get to the point
of moving the tv, I'll turn the screen a little and see if that has a
big effect. **We've only had one in 30 years here (Baltimore) and it
was not much. However sitting in the basement at the work bench I
could feel it, so I do get to cross earthquake off my bucket list.

There is no fix for that, though I can do wonders with magnets around
the bell of the CRT. The problem with that is that it might not be
stable.

Without a vow, I'll get back with results when I have them.