How do you know when a flyback needs replacing?

john rainbo

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I just bought a new game, and it's in awesome shape. However, due to my pure anal... ness, I feel the picture should be better. The tube's great, but the picture seems to slightly hop now and then. I think the monitor is a U5000, but I'm only guessing from one I used to own before. The model number (lol) says WG 425050... which I have no idea what on earth that's supposed to even be.

Anyhow, is the slight jitter in the picture a flyback or just needing a cap kit? It hops about a pixel or so up for a split second, then back to normal. Will do that a few times in a row, sometimes. I've adjusted all my vertical controls, so I know it's not a simple knob adjustment fix.

Anyhow, what do you suggest? Cap kit first then go from there?
 
Well, thank you. I got a cap kit for this anyhow. What could it hurt? :) Thanks again.
 
I've seen these do all kinds of weird jittery pixel shit pre-cap kit. post-cap kit? it will go away.

I'm leaning towards caps/cold solder. check the remote board too. the pots on these tend to go back frequently, NOTABLY the fucking V-Pos one.
 
Bad fly back: Won't hold focus, or its leaking its inside "goo" when visibly inspected.
 
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Just wanted to say that I did the cap kit, and it's all better. Thank you, once again!
 
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