Kortek..new(er) tube..

mcandrewsoun

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I have a kortek that had some incosistancy in the color throughout the tube..brighter in some areas.. I offered to do a tube swap as I had one with a similar yoke and pin count. I put the new tube on. convergence looks ok, however, I cant get the focus to come in, if I turn the sceen control to a normal brightness. It will barely come into focus if the screen is turned down.. What would cause this?

Andrew
 
My first guess is that you have a bad connection somewhere. Have you checked to make sure the focus wire has a good connection to the neck board? You may need to open the neck socket to test this connection.
 
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