Couple of Purity Adjustment Questions

JamBurglar

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This is a Sanyo 20EZ that has been recapped and degaussed (using a Waldron degaussing tool).

First, this is a purity issue, right?
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Second, is there any chance correcting this will involve adjusting the purity rings only? I'd rather not play around with the yoke positioning unless I absolutely have to.

The monitor is way out of convergence as well but I figure I'll tackle that later. I'm trying to figure out if somebody has messed with the rings or if the yoke was knocked out of its original alignment.
 
Yes, definite purity issue. Both the yoke position and the rings affect color purity. Take a look & hopefully there's some indication of which got knocked out of whack.
 
Thanks, I figured as much. Hopefully it's a matter of somebody fooling with the rings and I can get it dialed in without much work. I've never done the whole process of pulling back and resetting the yoke so I'm hoping I don't have to go there.
 
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