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  1. Thanks TjLazer, I'll have to find some old boards and get practicing.
  2. Well, I decided to just resolder the joint. The intermittent jumping picture seems to be fixed now. I got a solder gun and solder sucker on Amazon, heated the old solder and solder-sucked it off. As recommended in an online video, I added some new solder and sucked that off too to clean it up, which worked well. Then I added the final new solder. This was my first time soldering--it doesn't look perfect, but hopefully good enough. I also re-flowed the other joints which I've seen discussed as problematic: the remaining yoke connector joints, and the ones for the flyback. The jitter
  3. Hello, I've started using my trusty old SE again after many years collecting dust, and I've noticed that the screen flickers once in awhile (the display switches to a static of horizontal lines for a few moments), and the geometry is slightly off, so I decided to take the paper guard off the analog board and look at the solder joints. After reading plenty of posts here (thanks to all!), I suspected that the solder joints on the yoke connector might be a problem, and sure enough, one of the joints is brown and looks wrong (see pictures). I think this connector is the yoke connector, right? Its
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