Crosshatch Color Question

Fudd

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Jun 5, 2006
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Kalamazoo, Michigan
Set my Pole Position to crosshatch test pattern and while aligning my purity rings seems i just can get a straight line....my red lines doesnt seem to produce a vertical line. In the bottom of the screen it's overlayed directly on one of the white crosshatch's but when it gets to the top the red ends up slightly to the right. What's causing this?
 
If it's at the edges (top, left, right, or bottom) of the tube it's the yoke. That's what the rubber wedges are for. The Wells-Gardner K7000 manual shows which way to tip the yoke depending on which way the lines show on screen.
 
I'm trying to figure out how to get the crosshatch to stay on screen in self test.
(I know this is an old post)
 
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