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100 point pockets on a model H skeeball machine

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zak1234:

I'm helping a friend add 100 point pockets to his model H skeeball machine. Skeeball makes a kit but it costs too much. I have the schematics for the model H but don't have the schematics for the kit or know how they implemented it. Can someone please help me out here?

Kevin Mullins:

Got any pics of your logic boards ?

The 100 point pocket is typically called the "bonus pocket".
Which would connect to pins 8 & 9 on P9 on the logic boards I'm used to seeing.
This pocket would register 50 points and then add up another 50 points as it rolls through the other five switches down the track.

Been a while since I messed with any Skee-balls.......

zak1234:

Yes, I have a complete pdf of all the schematics that I got from delco. But they're identical to the ones on unclet's site
 
(http://unclet.arcadecontrols.com/SkeeBall/SkeeballDeltronicsPics1.html)



RandyT:


I don't see anything in those schematics that looks like a "bonus" input.  Have you considered going "low-tech" and just adding 5 more switches to the path from the 100 slots?

Sounds like you need a little microcontroller that can sit on the score switch lines, and pull line P10-2 down to ground 5 times on a switch closure.  Maybe that's what the kit includes?  :dunno

mgb:

I know on the older skeeballs I have worked on, if you activate a single switch, it is worth ten points. So with that, if the ball goes in the 50 point hole, it hits all 5 switches going down totaling 50 points. The point switches for the 100 point shoots are worth 50 points, and then the ball goes through the others adding up to 100 points.
What if you paralelled you 100 point switches to the other 5 switches so that once the ball hits the 100 point switch, it goes to 50 points and then as the ball goes through the other switches adding up to 100.

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