Headphones for the Cabinet.

Shapermc

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Hello tech heads and PCB junkies. I have a quesion that may be possible and I would LOVE to try it.

Is there any way to make a headphone jack that I could connect to my JAMMA wireing? I would like to do something that looks like this.

JAMMA wire
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Switch for Speaker/Headphone-----------Speaker
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Headphone Jack



Is this possible, and what kind of part do I need to hunt down to make it possible. It seems easy in theory because headphones just use the power supplied from the sound scourse (same as the speaker), but I have never looked into it.

-Regards
 
Last edited:

Shapermc

Mai's Tabloid Photographer
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Actually I am also looking for all information that I can for JAMMA speaker output info.

Thanks!
 

norton9478

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What type of motherboard do you have???

Some of them already have the jamma pinouts on the board.
 

ttooddddyy

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Shapermc said:
Actually I am also looking for all information that I can for JAMMA speaker output info.

Thanks!

Check out the jamma/mvs wiring here
http://www.hardmvs.com/manuals/Jamma2NeoGeo4SlotPinout.pdf
The boards with headphone outputs are connected from a dedicated headphone level out not the jamma/mvs edge connect.
You could take the mono out of edge connect pin 11 and use a potentiometer to attenuate the level. For that matter you could do that from the stereo outputs, pin 10 & L.
You could use a switched socket to cut the speakers out when the headphones are connected.
 

Shapermc

Mai's Tabloid Photographer
Joined
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Posts
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Eeek no! I was planning on doing this for my JAMMA cab, not just specifically my Neo board, soor for the confusion. I want it running off of the JAMMA harness Speaker +/- output.

I was hoping that it just involved a little connecting since it is already powered. My plan:


-Take the Speaker +/- output and connect it to a project box.
-Take the input and split it so that it simulates stereo and then connect it to the input of a Radio Shack volume control.
-From the output connect it to a Speaker/Headphone toggle (I have 2 speakers, but with mono )
-From the toggle to the Headphone jack and speaker wire output respectivly.


Will this work?
 
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