SEGA JVS <> JAMMA 838-13683-02 [6 buttons/kick harness HELP]

Lemony Vengeance

Mitt Romney's Hairdresser,
Joined
Jan 30, 2012
Posts
4,204
838-13683-02.jpg


it's on the left, the 14 pin connector. the pinout is on the top side of this illustration:

naomijamma.gif
 
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codecrank

Whip's Subordinate
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May 2, 2011
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There is a catch here though. The diagram lem provides is for the rev A i/o . Rev B outputs buttons 4/5/6 instead of 6/7/8.
 

Lemony Vengeance

Mitt Romney's Hairdresser,
Joined
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The diagram was from his initial post. I have explained what's needed in a pm to him, but for everyone else, here goes.

The Sega IO ver. A sends the first two kick buttons over jamma (pins 25 & 26), with the remaining buttons over the headers I outlined earlier.

That's why most arcade guys use the Capcom IO OR the ver. B Sega IO. No weird button configurations that way.
 

mitchbrain

n00b
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Sep 16, 2021
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So to plug this IO board into a Blast city IO do I use the 10 pin CN 6 like in the wiring diagram or 8 pin CN 8?
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