#3. This 6 button wired JAMMA harness comes complete with" crimped terminals and is ideal as a replacement for existing Jamma machines/arcade machine. I believe the JAMMA switchers only switch the power, which are identical on JAMMA vs. These days, you can buy an entire harness which is pre-wired into a "loom. I already have MVS to JAMMA (using a MVS board with a JAMMA harness) but I still need a JAMMA to MVS to wire the existing cabinet harness into the JAMMA switcher. Could you place tell me what i have to do to connect correctly the wire to the speakers and to the jamma. For this you will need: I always get my finger boards from jammaboards honestly. Cave boards do tend to reset with a Neobitz board. Nov 1, 2003. With a few slight modifications, you can turn a JAMMA harness into an MVS harness or vice-versa. On my increasingly long list of unfinished projects, this is something I've been tinkering with for a while. RED, BLUE, GREEN, and VID GND. Re: MVS MV-1F motherboard: stereo via JAMMA?I realize the 48 in 1 is jamma so I will need to make a harness, all the ones I have seen have a jamma connection on one end & lose wires at the other end. Some games (Street Fighter, Mortal Kombat, etc) which need extra buttons have extra connectors for these additional controls. After finding the volume pentiometer (yes my first PCB) and changing my pants. The MV-1B has a pin for pin connection (1-1, 2-2, 3-3, etc. Instead a custom one is used, so an adapter or. #4. ) The Parsec has an on-board -5v regulator for newer ATX power supplies that do not generate -5v. I'd had a bunch of problems with the six slot board in my old cab so sold that and bought a nice four slot off ebay. Audio output: Unbalanced, attenuated to line level; stereo support for the NeoGeo MVS; Video on an 8 pin mini-DIN connector (XRGB mini/NESRGB pinout); audio on a 3. 1-Slot boards, use the JAMMA standard with only 3 boards being able to use stereo output although through the PCB pinhead connector not the JAMMA pinout (MV1, MV1-F, MV1-FS). You will receive a one time email notification when this item is available again. T are a few minor but important differences between the NeoGeo MVS and regular JAMMA pinouts. For Aleck 64, the controller matrix is: PIN #1. Os puede venir muy bien si queréis montaros una bart. Does anyone know if the MVS MV-1F motherboard outputs audio in stereo via the JAMMA edge or only via the dedicated speaker and headphone outputs? Top. Wire gauge for AC cables inside the cab should be between 14 and 18 AWG. What you get. Don't hold me to that. ChuChu Flamingo. Not for use with single slot Neo Geo. org. 2) I checked the PSU connections (5V+, 12v (no need for -5v on MVS) and I am getting a solid connection 3) Checked my on/ off switch and there is no bottleneck in power flow. New posts Search forums. I will show the. Connecting a NeoGeo MVS system directly into a JAMMA connection will damage the MVS audio. Nov 3, 2008. OP. Pinout for JAMMA Arcade game systems. Dec 4, 2001 #1 Hello all, How would I go about adding a test switch to a one slot MVS board? I assume its a couple of wires to one of the connectors on the board. No need for an adapter (wall wart) to plug into the Raspberry Pi 3b+. I have a NEO GEO MVS 4 slot cabinet that I was hoping to play Jamma and Jamma+ games on. First, cut the ground wires that are going to pin 27 and connect them to pin 28 (or another ground pin on the harness) with the existing wires. If you are wiring your cabinet, at some point you will have to know what every wire does. Sold my old neo-geo cab on these forums a couple of months ago as I waited for a Sega new astro city to arrive from HK. Players 3 and 4 (joysticks and buttons 1-4, start, coin) are connected via the Hirose DF1B connector. 1 Encoder. To be honest - the 4 button cabinet is just about as good as the 6 button one - and involves less work. Posts: 286 Joined: Sun Feb 19, 2012 9:32 am Location: United States. I have a standard JAMMA-compliant Supergun. The harness in the cabinet is too short to allow for installing/removing the pcb without having to contort yourself into tantric sex positions, so. Multi-slot boards, use a different pinout based on Jamma. JAMMA is a standard connector used on many arcade boards to simplify conversion of cabinets from one game to another. +5v - From Power Supply. I have the pinouts and I'm pretty much done, but I am confused on what to do with the "speaker pos R" and "speaker pos L" pins. Its for the MV 1F board. My one minor complaint is that it sits a bit taller than some of my boards, so I had to. This pinout is of course assuming you will be using a standard 6 button setup on your controls. NOTIFY ME WHEN AVAILABLE. This way you can swap other Jamma boards into the cab and play joystick games too, and not have to rewire the control panel to play T&F. is it even possible ?? i got s cps2 board right now in that cab and iam getting a mvs 1 slot motherboard . This pinout is almost identical to the JAMMA standard and does not use any extra pins. Donor 2013. used by JAMMA pcbs as a general rule, but there are some exceptions you must be aware of. Jamma connector pinout. Nov 1, 2003. Do I want to connect the 5V pin from my power supply to the 5V. . Features three different action buttons layouts, amplified mono or stereo sound outputs and different game select button options. 25. I need help wiring up my Cabinet. Re aligned cart pins for better contact. I have the Jamma pinout but would like to have it looking professional and not muck up the Jamma. This is the third revision of Tim’s famous Scart to JAMMA adapter. The JAMMA standard has provisions for a Trackball in place of the normal Joystick connections, but Golden Tee series boards use a separate trackball harness. Looks like in your cab someone hard wired all 6 buttons to the Jamma, which is not an issue for any Jamma game that uses 3 buttons and also works perfect on MVS that uses 4 buttons on the Jamma edge. JAMMA PINOUT AND WIRING DIAGRAMS . On a MULTISLOT system game selecting is only available during the attract mode sequence. 基板のコネクタ部分を見てGNDや電源など見た目で分かり易い端子の位置を. ChuChu Flamingo. This adapter features button remapping*, different game select options, amplified mono or stereo sound output and line level stereo sound. . Centipede JAMMA adapter will allow an original Centipede PCB to work in a JAMMA wired cabinet. The JAMMA connector is an arcade industry standard for connecting all of the arcade peripherals such as joysticks, buttons, coin mechanisms, etc. - might be loose if the adapter pcb is thin and the springiness in the connector pins are a little waek (poor contacting)The bullet numbers 1 & 2 match the pic numbers. Hi guy's. MVS, whatever) send me the pinouts and dimensions of the connector, and I will post them here for the stickers. by emphatic » Wed Oct 26, 2011 12:35 pm. KaPH33n. Mar 27, 2020Video Ground - 14. 00 star(s) 0 ratings Share this media. but if you just mean to test the voltage in the cab, you can do that with a JAMMA PCB connected, always measure with. . The 3 or 4 player Arpicade simply plugs into your wiring harness. On a MULTISLOT system the joystick port select buttons and JAMMA connector select game. Quick Background: I am making a SuperGun to power my MVS (With the MVS pinout on the JAMMA harness (silly I know but I can't find a JROK that is available. On pin 3 it needs composite video, but I can't find that on any pinouts for the jamma connector. Originally came with the Namco Cyber Lead cabinet. 1,372. NEO-GEO. Specifically Jamma power to Power supply So I put my Jamma harness (from Bob Roberts) together following the hardmvs site since I am restoring a Neo Geo MVS 4-25, and I'm currently at the stage where I want to test the monitor, board and game cart to see if. CLRH2O n00b. com. ) cut and lift the trace that goes from 2 to 3 until it comes off: 3) Let's move to the parts side of the board. The software and hardware works together to listen for signals on each of these pins and make a logic decision in the. Keep me honest folks. For instance, the SNK Neo Geo MVS has it's own standard based in JAMMA,. Jukebox. . Coin door inserts, etc. I've tried cleaning and stretching the pins a bit, but no change. If nothing happens, then it could involve the wiring. I want to make a. Jamma vs. Sep 5, 2018. Re: Jamma Adapter PCB Series. Console games are great but do not offer the experience and nostalgia as they do for the arcade generation kids like us. Enjoy. . A 2, 4 or 6 slot will use more but not massively more. I. CTRG1 = Graphics Roms, S1, M1 CTRG2 = Program Roms, Sound Roms NOTE: On CTRG2-B, The "A" lines start at "A1". They are both wired to a different pinout. The BeharBros just announced a new supergun specifically designed for use with Neo Geo MVS boards, called “ Shogun “. Or where can I find an MVS pinout (for the old-style 1 slot i think)? Don't tell it's simply JAMMA cause it's not. bwi, 20 Year Member. Solder Side Parts Side Ground A 1 Ground Ground B 2 Ground +5V C 3 +5V +5V D 4 +5V -5V E 5 -5V +12V F 6 +12V Key H 7 Key Meter 2 J 8. There are only some exceptions like NeoGeo MVS which have stereo on the Jamma edge (but then it is no longer called Jamma, but MVS pinout), There pin L is L+ and Pin 10 is R+) Here is a list. Neo-Geo MVS = Neo-Geo Multi Video System. It’s almost entirely plug and play, with only two. 基板のコネクタ部分を見てGNDや電源など見た目で分かり易い端子の位置を. Components/PCBs. I'm connecting just one coin button, the yellow button shown below. Contact us: 1-229-941-2506 M-F 8:30 AM to 4:30 PM. SELECT Sets the Select Game button to be either activated with P1 Down or P1 Button 1 (A). The different placement of the service button on the MVS jamma harness gave me a headache when I built my supergun too. by emphatic » Wed Oct 26, 2011 12:35 pm. . Author Topic: can i play neogeo MVS games on a jamma cab (Read 7277 times) 0 Members and 1 Guest are viewing this topic. Nov 18, 2003. Converting a JAMMA wired cabinet to CHAMMA is really just a two-step process. #2. 11,398. We recommend starting off this repair by making sure that the power supply is sending the correct voltage to your board. But very close to JAMMA. There was a time when all TVs came with only an antenna socket on their backs, and bringing any form of video input to them meant dicing with live-chassis power supplies. x2 Sigma. Nov 14, 2019. #1. Location. Nov 2, 2003 #1. The item listed by OP is a dual consolized MVS and JAMMA supergun. Step 3: The JAMMA Harness. Area 51 Site 4 - CPU to Jamit power harness pinout. $4995. #1. The Neo-Geo MVS cabinets (2,4,and 6-slot) use a pinout very similar to the JAMMA pinouts. If you trace this on an actual cart, you will see that this is actually "A0" (A0 - A18). However, when I play a SNK cartridge in the 2-slot everything plays fine. EMail: jtwine@jtwine. Media. On my MV 1F board the "Z80 error" was caused by the connectivity between Z80 and Ram, like GadgetUK said. You will need either a new harness, or an adapter, or some other component in between to send to correct signals to the right pins on the PB 6 edge . Something to hook the Raspberry Pi to JAMMA. New posts Search forums. 6 pin - RGB + Sync input lead. - wired up 5 and 6 to the appropriate spots on the pi2jamma (6 is on the board, 5 is in the. (Old one here) PLEASE NOTE: THESE ARE THE CORRECT SIZE IN INTERNET EXPLORER (right click the pic and select print) It has been requested by some members, that this be stickied if possible please. Jamma pinout connector standard diagramJamma pinout (pdf) Diagram. To be honest I have never compared them pin for pin. -Supports a voltmeter as well as the Negatron for adding -5v to your JAMMA board. While I await repairs to my MVS 4-slot board I have seen some examples of collectors playing there MVS carts on a jamma super gun. PDF file. My problem is this / Ive just got my self a net city arcade cab with a pcb game wrestlefest. sadly, i have the jamma pinout memorized. Single-slot MVS boards use the normal JAMMA pinout, but the multi-slot boards have a slightly different pinout so will require a JAMMA adapter. Forums. I'm trying to hook up a JAMMA harness to convert the cab to a hybrid MVS/JAMMA cab using a JAMMA. It was unreal as to how easy it is to consolize compared to an MV1C in an enclosure. Run over to Hard MVS, I'm sure they have more info an a pinout. NH, USA. I'm currently in the process of consolizing my MV-1C board, and need some assistance; I'm wiring up AV to a DIN 8 connector, as my hardware is capable of accepting RGB video directly, and I'm following this guide. Reseating the harness fixes it for a bit and then it must loosen up or something and drops out again. If you are experiencing screeching audio or missing sounds check for continuity with these. All of this passes through the cabinet I/O board. Posts: 293 Joined: Sun Feb 19, 2012 9:32 am Location: United States. Adding RGB To A CRT. Posts: 293 Joined: Sun Feb 19, 2012 9:32 am Location: United States. I decided to get the content and bring it back online as it is an amazing knowledge base about Neo. Then plug the Jamma wiring harness into the top of the Galaga to jamma. For six button games, buttons 1-3 are connected via the JAMMA edge. Jan 20, 2020. -Move 'Audio Ground' wire from Pin M -> Pin 27. MV4. Using a harness with a live -5V connection should be fine (check first) 11 Audio Positive (mono) will accomidate mono fram a Jamma board to one speaker (if wired) Jamma2NeoGeo4SlotPinout. Hey hey, here's the deal. the Neo Geo MVS has it's own standard based in JAMMA, but uses a couple of those Empty pins for the fourth button and the select game button. I hook it up to my cabinet and I noticed that the buttons don't really work. Posted the pinouts for the Control Panel Molex connectors in the Downloads section. This adapter. Besides, I would like to have a harness for each board anyway. It appears that the 1-slot MVS board is what I see the super gun being used on. Nostromo, Joined Nov 15, 2000 Posts 1,112. SNK also released a JAMMA compatible 1-slot motherboard with JAMMA spec. Album Silly crap Added by bobbyb13 Date added Oct 31, 2022 View count 46 Comment count 0 Rating 0. . In this case, check the ground wires first. The majority of games use a subset of this pinout. Although Neo-Geo systems are JAMMA based, the MV-2F, MV-4F and MV-6F use different pinouts. #3. CAUTION: Failure to remove power wires from the JAMMA harness could damage theItem Description: The NeoGeo MVS (Multislot) is not a fully JAMMA compatible system. . Hi All, Can anyone please confirm for me the pinout of the power harness that connects power on the CPU board to J2 on the Jamit board? Mine has a weird setup that i believe is half missing. Caris Nautilus Guest. The King Prawn Marked Wolf. It has a six button layout and was hooked up to a CPS2 board (MvsC and D&D Tower). JAMMA is a standard connector used on many arcade boards to simplify conversion of cabinets from one game to another. #1. Posts. Some games<br />. There is no distortion or loss of signal quality and if there is, it's very minor. PCB Rebuild Kits. This wiring harness and other new parts. This isn't really a 4-slot specific issue except to say the pinout is a bit more dense and complicated. . Parsec has a built-in NTSC video converter and RGB buffer chips that provide composite and s-video as well as RGB output. Some games (Street Fighter, Mortal Kombat, etc) which need extra buttons have extra connectors for these additional controls. (solder side of the 60. Jul 13, 2009. Basically I'm just checking if this is the correct way of doing things, before I just dive in. I have read that nasty things happen if you plug a multi slot board into a standard JAMMA harness. To be honest I have never compared them pin for pin. For the fourth button I have my stick kick buttons wired into usb ports so I simply wired the 4th button into the low. Where do I connect them on the jamma side. " If you are lucky, the wires will already be bundled with zip-ties into sensible groupings. New posts New media New media comments New resources Latest activity. The 48 pin connector in this case is also used to hook up the kick buttons. Will be used with MVS one slot. Location: Alingsås, Sweden. Connecting a NeoGeo MVS system directly into a JAMMA connection will damage the MVS audio amplifier! Power, ground, joysticks, buttons, and more. Please check the following table before making the purchase: Some JAMMA cables have 27 and 28 pins grounded. I was going to create an adapter (modify a jamma harness) to run the 4 Slot PCB in the Jamma Cabinet. So, I'm aware that - for example - MVS cabinets aren't 100% JAMMA compatible and trying to use a JAMMA pcb in an MVS cabinet. Posted March 27, 2008. It will be revised and appended as I think of things or as people tell me I am wrong. Qty: $ 22. #1. You are correct that MVS boards are not 100 percent JAMMA compliant. The edge connector seats onto the pcb's pinout fingers. 2: JAMMA arcade cabinet Playing Atomiswave on a regular JAMMA cabinet is a far simpler task compared to the Naomi as the system uses the standard JAMMA pinout, allowing you to simply plug the JAMMA harness (included in any JAMMA arcade cabinet) to the system without any fuss such as I/O converters and the like. MVS is arcade hardware, they're made for pure RGB and Comp Sync straight to the monitor PCB. Check the power supply and verify you are getting the 12 vdc from it (could be the problem for sound and coindoor. From there you can decide to keep it as JAMMA or rewire it back to MVS pinout. Use a jamma extension cable, cut the wires in the harness. us Jamma Board Standard Cabinet US Wiring Harness Loom for Jamma 60-in-1 PCB Board. All I had to do was rewire the 4th button from the kick harness to the JAMMA harness to make the 4th button work. #1. PIN #2. Nov 4, 2017. ). Parts and Operating Manual 35 Pages, 3. I got a 1 slot MVS board and realized that SNK's standard is 4 buttons + Start and JAMMA is 3 + Start. Changes: Female edge connector side. . Item Description: Safely converts the standard NeoGeo MVS system pinout to work correctly in a standard JAMMA type arcade cabinet. +. The new JNX Big Red is a JAMMA to MVS board adapter. See JAMMA connector pinout. Standard jamma harness also used for the jamma 60in1 boards. There is a specific pin-out record on file for the JAMMA pinout class: This Video Game Pinout Data Sheet Was Typed In By James R. Taito 2-3 Layer Space Invaders Parts I & II Pinouts [English] Darryl Rhea. The. New posts Search forums. Google 'Jamma pinouts' Link to comment Share on other sites. I recently got a 4 Slot PCB, which I understand is not Jamma. Compatible with SNK NEO GEO MVS multi slots boards. Been googling and read most of the main SG guides out there (difference between Jamma/MVS connections/1/2/4 slot MVS etc) - it seems simple enough but I'm slightly confused with how to make it compatible with the MVS board and standard Jamma PCB's. An alternative to the RS, Namco and Konami boards you need to play Jamma PCB's in a JVS cab. The extra wiring is sometimes called jamma plus or in fighting games it's usually referred to as a kick harness because the extra harness was for the added kick buttons that. Tested and working SNK Neo Geo MVS 1-slot arcade game circuit board. The differences between the JAMMA and MVS pinouts can be found here: JAMMA Vs MVS pinout. The JAMMA PCB to NeoGNeo-Geo MVS JAMMA Buttons Question. - Used a combination of a fresh jamma loom and a jamma extension board to wire up all existing connections, and merge new power connectors, other buttons. Its for the MV 1F board. Does anyone know if the MVS MV-1F motherboard outputs audio in stereo via the JAMMA edge or only via the dedicated speaker and headphone outputs? Top. JAMMA is a type of connector that most PCBs attach to, with a standard pinout. 1 Sold side; 1. I know this is not really a tech support type question but Id. The King Prawn Marked Wolf. So I recently bought a 2-slot MVS mobo while I was at Magfest. All NeoGeo MVS units are almost fully JAMMA compatible; however, theyItem Description: Safely converts the standard NeoGeo MVS system pinout to work correctly in a standard JAMMA type arcade cabinet. Hi there! Gosh, loving it here everyone is super helpful with my SuperGun Pet project, thanks in advance as I am just a gal with the internet at my disposal and some basic soldering skills. Pinout. 25v ; Plug the pcb into the raspberry with the jamma connector facing out ; Put a heatsink on the golden part indicated with the heat symbol Location. . At first I thought there was a way to wire a left and right channel from the JAMMA harness, but. Section 2 – JAMMA Connector and Control Pinouts Solder Side Parts Side GND A 1 GND GND B 2 GND +5V C 3 +5V +5V D 4 +5V-5V (not required) E 5 -5V (not required) +12V (not required) F 6 +12V (not required) KEY H 7 KEY Coin Counter 2 /BRAND NEW NeoGeo MVS to JAMMA Inline Adapter Item Description: Safely converts the standard NeoGeo MVS system pinout to work correctly in a standard JAMMA type arcade cabinet. Don't hold me to that. 2 on board, and I'm selling it along with an RGB-->S-Video and Composite conversion board (from arcademvs. g. And I can only assume that the instruction manual for the Rev B board are incorrect. I just bought a neo 25" candy cab wich is wired for mvs stereo sound. MVS is arcade hardware, they're made for pure RGB and Comp Sync straight to the monitor PCB. On my MV 1F board the "Z80 error" was caused by the connectivity between Z80 and Ram, like GadgetUK said. g. If I were you I'd rewire your MVS cab to be JAMMA spec and then just use an MVS to JAMMA adapter. -Also lets you remap the JAMMA test button to MVS test. For playing jamma boards in your mvs multislot cab. All NeoGeo MVS units are almost fully JAMMA compatible; however, they have a small twist in their pinout scheme. I've done my homework on this and I do understand the differences between the pinouts on a neo geo and Jamma. MV2-A - Slot 2 - first sounded distorted, Sound test in Hardware was fine. What do you need to have say a KOF 2003 Jamma Board work. Arcade RGB typically outputs 4V peak to peak but VGA spec is 1V with 75ohm termination. Mar 2, 2016. I've tried cleaning and stretching the pins a bit, but no change. For four button games, buttons 1-4 are connected via the JAMMA edge. Jul 16, 2007 #1 Hi, I am working on a consolization project and I have connected like this: 10 (speaker+) -> 6 (audio left + mono) (any Ground) -> 4 (audio ground) 12 (Red) -> 15not marked, I have included a standard JAMMA pinout at the end of this document for reference. 187” Quick Disconnects PN: RA-WIRE-HARNESS ©RETROARCADES. SNK NEO GEO MVS (MV 2 / 4 / 6) Solder Side Parts Side Ground A 1 Ground Ground B 2 Ground +5 Volts C 3 +5 Volts. norton9478. Hello , First i'm a newbie in the arcade stuff. If you want to change the board you just have to plug out the old one and plug in the new one, no need to be an expert. Custom Chips/Daughter PCBs. Live (or Line), Neutral, and Ground. Item Description: The NeoGeo MVS (Multislot) is not a fully JAMMA compatible system. Used a M-F connector to easily swap back and forth. to use them on a supergun requires more work it's sure ("as" for the megadrive pads), But i plan and wish to use pc engine hack on a jamma to play on an arcade machine i succeeded doing it with Genesis, (there was some kind of problem about the Ground, if the jamma biscuit wasn't soldered on EVERY ground : 1,2,27,28 and on reverse), it would'nt. The Golden Tee pinouts redefined many of the common pin meanings. #1. Posted the pinouts for the Control Panel Molex connectors in the Downloads section. 4) Power draw off the MVS is solid (Soldered a cable off the 5v+ Cap behind JAMMA pin 4-5) 5) Cleaned the cart contacts and the pin connectors on the MVS Primarily I am interested in Neo Geo experience and I want a joystick / controller that accurately replicates the 4 button setup. com Answering Service - 602-888-6715 Leave a detailed message, this line is not monitored live Mailing Address - High Score Saves 12527 Central Ave NE, Suite #288Hopefully this is the right forum for this. Once you have these items, then you will need to follow the instructions given with your adapter, but its really as simple as wiring the jamma harness pinout wires to the +5, +12,-5, power, coin door, sound, monitor signals & sync, and finally grounds of the Power supply. JVS, or Jamma Video Standard (sometimes even called JAMMA 2), is a specification by a JAMMA special sub-committee consisting of the major arcade game manufacturers. MVS and Jamma pinouts are slightly different, so you'll need change the pinout each time you switch between the two. well 'officially' Jamma only support 3 buttons and some cabs 4, so what @thomas3184 is referring to is that usually you need a 'Chamma' (Chinese Jamma) adapter to get all 6 buttons on the Jamma connector. Normally we can give you an approximate location of the terminal for your shipment but we will not be able to confirm the address until your booking is placed and confirmed with. Pinout. 8pin mini DIN connector for audio and video output (XRGB Mini pinout) 3. Run over to Hard MVS, I'm sure they have more info an a pinout. RGB to Component, Video & S-video encoder board. T are a few minor but important differences between the NeoGeo MVS and regular JAMMA pinouts. The MV-1B has a pin for pin connection (1-1, 2-2, 3-3, etc. Philippines. New posts New media New media comments New resources Latest activity. This adapter converters the. You will need to follow the pinout from the Unibios chip to the MV-1C bios. It has been corrected and updated. Does anyone know if the MVS MV-1F motherboard outputs audio in stereo via the JAMMA edge or only via the dedicated speaker and headphone outputs? Top. #2. Reactions: kikaso. Even if you add that adapter, you have to add a -5V line from your power supply to either the adapter or the harness. An important difference is also JAMMA compatibility. At first I thought there was a way to wire a left and right channel from the JAMMA harness, but. The Scart2Arc30 features: a powerful 6 watt stereo audio amplifier that supports JAMMA mono, MVS (3 wire) stereo, screw terminals; separate line level audio input and. Safely converts the standard NeoGeo MVS system pinout to work correctly in a standard JAMMA type arcade cabinet. pins do the same thing (by hardware design). Play your JAMMA boards in your MVS multi slot cabinet. . Jun 15, 2004 #1 Please forgive me if this is standard knowledge but I am totally lost . Ground wire to the ground loop and the appropriate JAMMA wire to the normally open terminal as illustrated. There is a specific pin-out record on file for the JAMMA pinout class: This Video Game Pinout Data Sheet Was Typed In By James R. I started to plug everything in but noticed nothing fit correctly, everything was slightly off. I will aslo attach a photo of a sf2 jamma board and was hopeing you could tell me what/where the kick harness is. So, how shall I conect the one. The current pinout doesn't really matter as you will be replacing all that with jamma wiring. Therefore, the wiring on MVS machines differs slightly to the JAMMA standard. The Neo Geo board supports four buttons per player.