Adjusting Convergence

D_Harris

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I have a WG4900 that was removed from a game a couple years ago and during the move and the cleaning of it the rings on the neck have moved.

Since I'm about to use a donor tube and have to use the original yoke is there a Faq on how to adjust the picture using the rings?

Thanks.

Darren Harris
Staten Island, New York.
 
I have a WG4900 that was removed from a game a couple years ago and during the move and the cleaning of it the rings on the neck have moved.

Since I'm about to use a donor tube and have to use the original yoke is there a Faq on how to adjust the picture using the rings?

Every WG manual I've ever read has a page or two on adjusting purity and convergence.
 
I just did that with a k4900 and I am having serious problems with what looks like purity. I made sure to mark the pole and purity rings but it appears the yoke does not like the tube? as the bottom of the screen is very red and top has blue. I pulled the yoke way back and it sort of goes away but not even close to be usable. Be very careful when removing the rings and mark them.
 
I have two or three tubes with rings that have already been moved, which is why I posted the question.

Darren Harris
Staten Island, New York.
 
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