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Author Topic: jamma 6 button jpac question  (Read 4631 times)

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deadenddonkey

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jamma 6 button jpac question
« on: March 03, 2006, 08:15:42 am »
alright, so i finally have everything up and running perfectly.   My PC2arcade machine works great after many hours of adjustments and replacing a ipac with a jpac and that same jpac with another jpac(there was something wrong with a chip although Andy was great help as is usual).  So, now a new question.  How exactly would i get all 6 buttons to function on my machine with my jpac?  Currently through the JAMMA connector there are only the standard 3 on each player working.  I understand i would have to wire to the screw terminals on the jpac, however here is my problem. when i bought my arcade machine it was already set-up for 6 player support for the marvel vs capcom 2 game already in it. I of course want to keep support for this game and any other JAMMA games i might buy. Exactly what would i Need to keep the jamma wire configuration while still being able to play full 6 button support with my mame games?

many thanks for any help
David

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Re: jamma 6 button jpac question
« Reply #1 on: March 03, 2006, 08:53:45 am »
I'm guessing that your MvC2 machine has a small extra harness for the 6 extra buttons? These are sometimes called a 'Kick Harness', since they were used to add the kick buttons in SF2. If it does, you could buy a JAMMA fingerboard, cut it to size so it fits your kick harness, then wire your fingerboard to the extra JPac connections. 

deadenddonkey

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Re: jamma 6 button jpac question
« Reply #2 on: March 03, 2006, 09:47:01 am »
actually it does have a kick harness such as you described, where exactly could i find a fingerboard? any online stores or ebay sellers?

thanks

-David

JoyMonkey

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Re: jamma 6 button jpac question
« Reply #3 on: March 03, 2006, 10:45:31 am »
actually it does have a kick harness such as you described, where exactly could i find a fingerboard? any online stores or ebay sellers?

thanks

-David

Bob Roberts:
http://homearcade.org/BBBB/parts.html

They're on his Connectors page:
http://homearcade.org/BBBB/conectas.html

A type 1 connector should do the trick.

deadenddonkey

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Re: jamma 6 button jpac question
« Reply #4 on: March 03, 2006, 10:54:58 pm »
on the website it states i need to "solder direct to pads", what exactly does that mean?

david

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Re: jamma 6 button jpac question
« Reply #5 on: March 07, 2006, 02:26:18 pm »
still no reply, anyone know what this means?

JoyMonkey

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Re: jamma 6 button jpac question
« Reply #6 on: March 07, 2006, 02:48:52 pm »
on the website it states i need to "solder direct to pads", what exactly does that mean?

david


I think it just means that you'll need to solder your wires onto the pads (the silvery connector strips on the board) with no option to criss-cross the wires (like his Type 2 fingerboard). Direct is fine for what you're doing, once your wires are soldered on you won't ever have to change them.

Stobe

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Re: jamma 6 button jpac question
« Reply #7 on: March 07, 2006, 10:19:12 pm »
I had a kick harness in my cab (using a jpac) and I just cut it off and stripped the wires back a little and put them in the screw terminals of the JPAC.  (They are labeled pretty good... P1B4, P1B5, etc)

I cut the wires a few inches away from the harness, just in case I decided to put a jamma board back in the cab, I could always solder the wires back to the harness.

Whole deal only took me a few minutes.  Just hav a VOM ready to tone out the buttons to the harness wires.

-Stobe