Re: Convergence Guru's Tips Needed

I recommend going out and buying a mirror, some rubber wedges, and some
magnetic shunts. I have a document here
http://www.ionpool.net/arcade/atari/star_wars_tube.txt - which might be a
little outdated now as far as ordering the parts.

The first thing you need to do, before getting into convergence, is make
sure the colors are all clean and even. Sometimes if the yoke isn't on
quite right, you get spots where the colors fade out. Red turns into
purple for example. That's where the rubber wedges come in handy. Star
Wars has great test patterns because there are some raster-like patterns
for getting the purity right. The next step is to put the convergence
rings on the right spot of the tube neck where it looks the best. When you
are trying to line up the grid patterns, it's nearly impossible (for me
anyway) to get it just perfect without the help of those magnetic shunts
and a mirror. When I'm done with all the grid patterns, I then look at the
actual game because that's really what counts the most. The corners of the
screen are usually the hardest to get dead on. Especially with the the
Scores and other numbers. Oh, and try not to shock yourself.

Matt

On Wed, 25 Jul 2007 07:50:51 -0700, John Robertson <pinball@telus.net>
wrote:
> Brent,
>
> If your board does not give you any test patterns then you want to
> borrow/rent/buy a vector style convergence generator. You need to be
> able to turn off each gun, and have a pattern that is repeated across
> the screen to be able to align these tubes best.
>
> You can do it by 'hand' if your board gives you a static test pattern
> - like Tempest's test screens. Then you can make an in-series switch
> interface to disconnect each gun so you can check the alignment of
> each pair of guns.
>
> John :-#)#
> Perhaps there is a collector here with a WICO XY convergence
> generator that rents/lends?
>
> At 1:21 AM -0700 7/25/07, Brent wrote:
>>Anyone have any tips, manuals, websites, or any other info on
>>converging a monitor?
>>
>>I have a 19 inch vector Amplifone monitor with both boards rebuilt and
>>the original tube. The colors don't quite line up right. The red is
>>fine and the blue is fine, and the green is fine, but the don't line
>>up with each other to produce the other colors like white, yellow,
>>purple and so on.
>>
>>I do have the monitor manual for this. But any other hints or tips you
>>may have or know of?
>>
>>thanks,
>>
>>Brent
>
>
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Received on Wed Jul 25 15:28:10 2007