We can. 10 There are NO traces to connect the leads on the MVS boards where -5V would come in from a Jamma Harness 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) Title: Jamma to Neo Geo Pinout . Weight : 60 g (2. The JAMMA connector is a . アーケード基板のハーネス表です。. It has been corrected and updated. I say this because my control panel is the JAMMA 56 pin standard and I don't want to mess with that. Manuals: Wells Gardner K7000 Series Monitor Manual: Misc. PIN #2. The BeharBros just announced a new supergun specifically designed for use with Neo Geo MVS boards, called “ Shogun “. It’s made up of a multi-piece 3D printed case, designed to give the feel of an AES home console, as well as the circuitry to add high-quality RGB video and stereo audio via a Genesis 2-style output connector. If you are wiring your cabinet, at some point you will have to know what every wire does. If it does the function of what it was previously connected to, then the switch is bad. RetroArcade. Mickey Juice Timid Neo Newbie. Jan 20, 2020. Joined Jan 16, 2012 Posts 223. - wired up the exit game button to coin in. Use a jamma extension cable, cut the wires in the harness. Ground wire to the ground loop and the appropriate JAMMA wire to. Mar 14, 2001 #1. Anyone know where I can buy an already made JAMMA harness specifically for the four slot. Kwisatz New member. 1 Sold side; 1. Item Description: Safely converts the standard NeoGeo MVS system pinout to work correctly in a standard JAMMA type arcade cabinet. EMail: jtwine@jtwine. is it even possible ?? i got s cps2 board right now in that cab and iam getting a mvs 1 slot motherboard . ) It's not necessary, but it's definitely convenient if you plan to switch out boards a lot. 1-Slot boards, use the JAMMA standard with only. The Neo-Geo MVS cabinets (2,4,and 6-slot) use a pinout very similar to the JAMMA pinouts. ChuChu Flamingo. I have wired a lot of games, including a couple JAMMA games like this. 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. MV6. For six button games, buttons 1-3 are connected via the JAMMA edge. Wed, March 11. Sounds stupid but I remember having problems with a board (wwf I think but don't really remember) and seen that it had a -5 wire on one side of the jamma harness but. Don't hold me to that. You might need to populate some pins to get the 4th button to work, and having two ways to switch games doesn't sound great to me, but it ought to work fine. . pdf), Text File. MVS 2,4,6 slots JAMMA or JAMMA+? Thread starter ldalope; Start date Mar 14, 2001; L. Area 51 Site 4 - CPU to Jamit power harness pinout. Controller Inputs: x2 Sega Saturn. Jamma is a standard, so if you buy a jamma-compatible cabinet, you will be able to plug in any jamma board that you want (that includes a MVS motherboard). Unused 8. #1. $4899. I will hve my neo 6 slot mvs cabinet next week, (thanks to vektrologic) Ive had one before but when I played jamma games the sound was very loud, is there. ) unlike the MV-1C as seen below. I'll need to add a select button to the harness, so am I correct in saying that I need to add it to the d 26 on the harness? What wiring should I use and where can I buy it in australia? Would this be an easy project to do? My. The only information available on the Internets is the two pinouts I posted. | 440-365-9906| Every joystick and button micro switch must be connected in the same manner. If you are experiencing screeching audio or missing sounds check for continuity with these. I believe the JAMMA switchers only switch the power, which are identical on JAMMA vs. I do have the extra button harness installed which gives me the other 3 buttons per player with a CPS2 connector to plug into the PCBs to pick up the extra buttons. but if you just mean to test the voltage in the cab, you can do that with a JAMMA PCB connected, always measure with. New posts Search forums. Nov 14, 2019. 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. Instead a custom one is used, so an adapter or. plugging a xxx-in-1 into a jamma harness results in "BUTTON6" being pressed all the time. Coin door inserts, etc. NAFTA 8ft. Hi guy's. This adapter features button remapping*, different game select options, amplified mono or stereo sound output and line level stereo sound. I. . Posts: 293 Joined: Sun Feb 19, 2012 9:32 am Location: United States. From what I understand, you might be able to just unplug your MVS board and hook up any JAMMA board. Sep 3, 2014. MVS: Jamma connector pinout 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,. Nostromo, Joined Nov 15, 2000 Posts 1,112. 31768. Note that NOT all 1 slot boards. CMVS Custom Built Consolized NeoGeo MVS Units by Xian Xi This is the first 2 slot I consolized. 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. After finding the volume pentiometer (yes my first PCB) and changing my pants. Multiplayer jack. I have a MV-1C in my cab right now but I doubt you can just hook that harness directly to a four slot. MVS, whatever) send me the pinouts and dimensions of the connector, and I will post them here for the stickers. DON'T SKIP THIS STEP, Put one of the ┳ pieces in pin 7 of the jamma harness ; WITHOUT THE PCB CONNECTED turn on the machine and adjust the voltage in pin 3 to 5. MVS. from 102762105. You will need to follow the pinout from the Unibios chip to the MV-1C bios. Nov 1, 2003. Re aligned cart pins for better contact. It's probably CHAMMA, so your harness is not sending the right signals to the right areas. 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. Wiring Harness for MVS-4-25. 2 Designed to redirect SNK Neo Geo MVS multi slots PCB signals to work properly in a JAMMA cabinet or with a Supergun. The GND will be hooked to GND of course and have the test signal wire run to both pins (15 and M). The adapter basically just does that repinning for you. This isn't really a 4-slot specific issue except to say the pinout is a bit more dense and complicated. SNK Neo Geo MVS. COM JA-MVS-S v1. . Like Lemony and Fox1 say you will need a I/O board to use your Taito Type X on a Jamma cab. Buttons 4-6 are connected via the Hirose DF1B connector. Queensland, Australia. . It’s almost entirely plug and play, with only two. Jul 27, 2016. . By the 1990s, most new arcade games were JAMMA standard. Does this mean I can play some if not. These days, you can buy an entire harness which is pre-wired into a "loom. Do I want to connect the 5V pin from my power supply to the 5V. Where do I connect them on the jamma side. Wire gauge for AC cables inside the cab should be between 14 and 18 AWG. Changes: Female edge connector side. A new thread has been started as the old one was getting a bit untidy. If a game board has the same pinout as another game that swapping boards is just a matter of installing the game board in the existing cabinet, since it uses the same pins. Hello , First i'm a newbie in the arcade stuff. Some months ago, I've managed to get a MVS cabinet in a American surplus store somewhere in the town. NEO-GEO. Item Description: Safely converts the standard NeoGeo MVS system pinout to work correctly in a standard JAMMA type arcade cabinet. Basically I'm just checking if this is the correct way of doing things, before I just dive in. 8pin mini DIN connector for audio and video output (XRGB Mini pinout) 3. . This is the third revision of Tim’s famous Scart to JAMMA adapter. There's no problem with it working when tekken 3 is plugged in and the pinout for the final fight and tekken game is the same regarding the player 1. JAMMA Pinout I hooked a Neo Geo MVS 1-slot board up to a JAMMA harness without changing any wiring and it worked fine. Honolulu, HI. Keep me honest folks. 2 pin - 5v power lead. The Atomiswave arcade platform is seen by many as a spiritual successor to the Neo Geo MVS, being a collaboration between Sammy, SNK, and Sega. 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. SNK Neo Geo MVS FAQ ver . ) unlike the MV-1C as seen below. Play your JAMMA boards in your MVS multi slot cabinet. Item Description: Safely converts the standard NeoGeo MVS system pinout to work correctly in a standard JAMMA type arcade cabinet. 23 USD. Thread starter supergoose; Start date Mar 27, 2003; S. Typically 18 is cheaper and still safe so it will be that. 2. This 6 button wired JAMMA harness comes complete with" crimped terminals and is ideal as a replacement for existing Jamma machines/arcade machine. The Open MVS is a kit designed to consolize Neo Geo MV1C arcade boards. SNK also released a JAMMA compatible 1-slot motherboard with JAMMA spec. Re: MVS MV-1F motherboard: stereo via JAMMA?I would connect the db15 pins corresponding to the tree kick buttons on positions 2, 5, and 8. . #1. 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. . . - wired up 5 and 6 to the appropriate spots on the pi2jamma (6 is on the board, 5 is in the. Second, wire your sixth action button to the pin 27 location previously used by the relocated ground wire. -Move 'Audio Ground' wire from Pin M -> Pin 27. . So, how shall I conect the one. According to the Manual the Jamma pin connectors have pins for both +12V and +5V connections. You can grab the JAMMA Pinout PDF here. SNK NEO GEO MVS to JAMMA Adapter with button remapper and line level Stereo sound out. The JAMMA wiring standard was introduced in 1985. Jul 10, 2020. 1 March 27, 2002 . MVS and Jamma pinouts are slightly different, so you'll need change the pinout each time you switch between the two. NH, USA. Mono sound out to the JAMMA edge, and amplified Stereo sound out to CN1. I think some of the 1 slot boards have the JAMMA connector. 8 MB File. see here Another new guy question: I recently picked up TMNT and popped it in my 4 slot cab with a JAMMA->MVS adapter. A few of the pins are different between MVS and Jamma, and there are adapters you can get out there for a plug and play solution. Kick 2 Player 2 6. Should I just connect that yellow button to "COIN 2" and cut the wires (including. Adapter has a 3 pin socket to simply plug in the Negatron (not shown). . The J-Pac allows a PC to connect to this connector in your jab, allowing video to be sent to the arcade cabinet monitor, controls to work, and more. 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. Has anyone built a MVS cabinet to JAMMA adaptor, Inorder. The connector and board are usually 'keyed' at the place where pin 7 would be, so that they will only go on one way. 96 mm) card-edge connector. 15/2/2002 Thanks to bernie1844 who pointed out a typo on the Jamma vs MVS . . #2. MV-1FZ Battery Mod 3238 downloads 127. I know this is not really a tech support type question but Id. The current pinout doesn't really matter as you will be replacing all that with jamma wiring. All NeoGeo MVS units are almost fully JAMMA compatible; however, theyLike instead of four +5 wires it has 2 ect and I have run into games that are jamma but for some reason won't work unless it has power to all the pins in the power section. . You can wire any cabinet pretty much to use JAMMA games, so you could make an adaptor that plugs into your cabinet and goes to JAMMA. But very close to JAMMA. . Qty: $ 6. <br />. Thread starter Jaelus; Start date Jan 24, 2010;Okay, before I get flamed. There are both an MVS and a Jamma pinouts listed there. alundra. Taito 2-3 Layer Space Invaders Parts I & II Pinouts [English] Darryl Rhea. Pinball Coils/Sleeves. The 2 in 1 MVS/JAMMA CBOX. If you trace this on an actual cart, you will see that this is actually "A0" (A0 - A18). . ChuChu Flamingo. Champion. I own a Super gun and know that the Jamma harnes on a MVS board has pinouts that are different in the audio sections of the board. The adapter I am using is the JAMMA extension harness from Twisted Quarter on eBay right now. It's fairly straight forward. MVS MV1F Corrosion Fix : May 11 2012 : MVS MV1F 6116 SRAM Pinout : The one Xian Xi posted at Paradise Arcade Shop is to convert the button and ground issues mentioned above for the Blue Elf Boards to standard jamma. XXX-in-1 boards typically use what we colloquially call CHAMMA (chinese jamma) it does not 100% conform to JAMMA pinouts, as some wires are repurposed for other buttons and whatnot. JAMMA Harness w/” Quick Disconnects Ground wire to the ground loop and the appropriate JAMMA wire JAMMA Functional Connection Diagram. 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. Besides, I would like to have a harness for each board anyway. You will also need to use the Button 5, 6, and Exit button wiring that is part of the JAMMA+ harness. All NeoGeo MVS units are almost fully JAMMA compatible; however, they have a small twist in their pinout scheme. Some wire colors match while some are out of order, but only by. MVS MV1F Corrosion Fix : May 11 2012 : MVS MV1F 6116 SRAM Pinout :The one Xian Xi posted at Paradise Arcade Shop is to convert the button and ground issues mentioned above for the Blue Elf Boards to standard jamma. All NeoGeo MVS units are almost fully JAMMA compatible; however, they have a small twist in their pinout scheme. 54mm. 3. com. Author Topic: can i play neogeo MVS games on a jamma cab (Read 7277 times) 0 Members and 1 Guest are viewing this topic. 985 Erve Williams Road Moultrie, GA. Game played but sounds were off/bad/missing or. - Name Of Game: N/A Notes: Not all games will use all pins, and some kits may have extra connectors for more/different controls!Very broad (and n00bie) Q's I know, but I've received an FZ1 1-slot MVS mobo and, having taken out a Jamma game PCB (fine pix/no problems) from the cab, plugged the MVS mobo in (via Jamma loom, also fine/no probs), I can't seem to be able to get a good picture using the screen adjustment pots - best I get is a stable (horiz/vert). 1 Encoder. Solder Side Pin Pin Parts Side GROUND A 1 GROUND GROUND B 2 GROUND +5VDC C 3 +5VDC +5VDC D 4 +5VDC -5VDC E 5 -5VDC +12VDC F 6 +12VDC. JAMMA RGB-Pi Pinout Serie4. Nov 2, 2003 #1. Shipping and handlingRocklin, California. e. . Headphone jack for Line input (also can be used as line out when the line in terminal is wired). As for the rest, check out the PC2Jamma project online, or maybe visit the site for some good pinouts and instructions for building Jamma standard equipment interfaces. Take the wires from the output of the encoder and connect those to your Video jacks. g. For the 412 in 1 Vertical Multigame board to work properly, you will need to remove them on both sides. Hopefully the arcade generation will spread to the younger kids of today. Jamma Pinout. 4 Slot, standard jamma? Thread starter Caris Nautilus; Start date Jul 17, 2001; C. or an MVS mobo in a JAMMA cabinet is problematic because of the. png JAMMA. . Pin Description A : Ground B : Ground C +5V D. Connecting a NeoGeo MVS system directly into a JAMMA connection will damage the MVS audio amplifier! The most important feature of this MVS to JAMMA adapter is to safely convert the MVS stereo output to work in the standard. Yep. Apparently I can fry the thing if I just use it directly since the voltage is too high. You will need to follow the pinout from the Unibios chip to the MV-1C bios. This pinout is almost identical to the JAMMA standard and does not use any extra pins. in particular the E/27 positions have been used for a button instead of ground. Contents. To be honest I have never compared them pin for pin. JVS2JAMMA is perfectly clear in my head, but I've seen someone use it to refer to an IO board so I guess it's a little confusing. . #6. The JAMMA PCB to NeoGNeo Geo Jamma to SCART pinout problem. On a MULTISLOT system the joystick port select buttons and JAMMA connector select game. 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. They are both wired to a different. com -> JAMMA Standard Connector . Printed on thick vinyl, and cut to fit standard 48-way jamma edge connectors. SNK NEO GEO MVS to JAMMA Adapter with button remapper and line level Stereo sound out22 Reaction score 0 Location Pennsylvania Oct 27, 2008 #1 I have a NEO GEO MVS 4 slot cabinet that I was hoping to play Jamma and Jamma+ games on. The Parsec has 2 power supply options: Standard ATX power supply for PCs or a real arcade power supply (not included. any one know if thats possible to take out the cps2a/b and put a mvs 1 slot in it ??? any help will be appreciated !!! thanksJAMMA is a standard connector used on many arcade boards to simplify conversion of cabinets from one game to another. The wiring is missing the -5volt, but it is wired for mono sound. Designed to redirect SNK Neo Geo MVS multi slots PCB signals to work properly inside your JAMMA Cabinet or with a Supergun. Even if you add that adapter, you have to add a -5V line from your power supply to either the adapter or the harness. What you can't do is throw JAMMA or non-MVS boards into the mix without an adapter. If you. There's a video GND on pin 10, and the key matrix is quite different. 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 JAMMA connector pinout. Designed to redirect SNK Neo Geo MVS multi slots PCB signals to work properly inside your JAMMA Cabinet or with a Supergun. MVS pinouts. . The item listed by OP is a dual consolized MVS and JAMMA supergun. Connecting a NeoGeo MVS system directly into a JAMMA connection will damage the MVS audio amplifier! Power, ground, joysticks, buttons, and more. 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. Re: Jamma Adapter PCB Series. 2 on board, and I'm selling it along with an RGB-->S-Video and Composite conversion board (from arcademvs. gamelife00 Rugal's Thug. Only a single slot Neo is 100% JAMMA. Get it as soon as tue jul 20. Join. I was going to create an adapter (modify a jamma harness) to run the 4 Slot PCB in the Jamma Cabinet. The graphics were good (considering I will probably have to replace the monitor), but there was absolutely no sound. These days, you can buy an entire harness which is pre-wired into a "loom. 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. Jun 30, 2017. -Also lets you remap the JAMMA test button to MVS test. . The audio is balanced but really quiet so i'm going to attempt to replace the caps on it although i haven't done much electronics work before so any advice would be good. G. Location: Alingsås, Sweden. 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. 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 . So I recently bought a 2-slot MVS mobo while I was at Magfest. SF2 or MK there is too much hassle involved from my perspective (different harnesses, different button layouts) especially given. com 12:23 PM - 10/17/2023. Solder Side Pin Pin Parts Side GROUND A 1 GROUND GROUND B 2 GROUND +5VDC C 3 +5VDC +5VDC D 4 +5VDC -5VDC E 5 -5VDC +12VDC F 6 +12VDC. Posts: 293 Joined: Sun Feb 19, 2012 9:32 am Location: United States. Joined: 13 Aug 2018 Posts: 510: 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 . At first I thought there was a way to wire a left and right channel from the JAMMA harness, but. us Jamma Board Standard Cabinet US Wiring Harness Loom for Jamma 60-in-1 PCB Board. I hooked a Neo Geo MVS 1-slot board up to a JAMMA harness without changing any wiring and it worked fine. The pins of this Board uses those pins for action button 6. Neo Geo Stereo wired board > MVS cab = works, with stereo audio JAMMA mono board > MVS cab = fried audio output IC. 5 mm stereo connector or the 8 pin mini-DIN if the 3. x2 Sigma. On pin 3 it needs composite video, but I can't find that on any pinouts for the jamma connector. bencao74 wrote: hehe, you identified the most complicated one among these adapters at first sight. Pretty new to arcade hardware ownership, so hopefully I won't mangle questions or terminology too much. MVS edge connectors aren't fully JAMMA compliant depending on the model of the board. Jamma Wiring Neo Geo MVS Solder Side Parts Side Solder Side Parts Side Ground A 1 Ground Ground A 1 Ground Ground B 2 Ground Ground B 2 Ground Pos 5 Volts C 3 Pos 5 Volts Pos 5 Volts C 3 Pos 5 Volts Pos 5. Hello. 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. There are no converters as there is no need for composite/SCART RGB unlike the AES. I have noticed there are discrepancies between some, such as below: Note things like the S/15 and J/8. The place for everything about original coin-op arcade machines and games. Uses an adapter which plugs into the Jamma edge connector, and the back of game cartridges. The differences between the JAMMA and MVS pinouts can be found here: JAMMA Vs MVS pinout. This means you can use the game select buttons. 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. Posted the pinouts for the Control Panel Molex connectors in the Downloads section. As the title states: does this thking work just like an MVS board w/ SVC Chaos cart set up would? (meaning same pinout, button set up & shit)?. The edge connector seats onto the pcb's pinout fingers. Buttons 1 and 2 are JAMMA connector and buttons 3 and 4 are actually mapped to 4 and 5 on the kick connector respectively. Namco JVS / JAMMA Adapter. It appears that the 1-slot MVS board is what I see the super gun being used on. With a few slight modifications, you can turn a JAMMA harness into an MVS harness or vice-versa. #3. gris996. New media New comments Search media. sadly, i have the jamma pinout memorized. JAMMA Pinout. On my increasingly long list of unfinished projects, this is something I've been tinkering with for a while. Now below is the pinout on the DB9 for what we will be using: 1. T are a few minor but important differences between the NeoGeo MVS and regular JAMMA pinouts. I was just looking at your pictures of the quick disconnects and that made me think back to why I didn't use those on my power connections. #2. com. But keep in mind that if you rewire it back to MVS pinout that you will need a JAMMA to MVS board adapter to use that 1 slot in the MVS cab or get a multislot motherboard. Part Number: 80-1200-00. RGB on MVS, is RGB. Kick 1 Player 1 2. I do have the extra button harness installed which gives me the other 3 buttons per player with a CPS2 connector to plug into the PCBs to pick up the extra buttons. plugging a xxx-in-1 into a jamma harness results in "BUTTON6" being. The King Prawn Marked Wolf. First thing you should know is that both chips have 40 pins BUT are not pin for pin as far as output. +. I am making my adjustments to that harness because the MGCD is not JAMMA plug-and-play. Newbie 7 Author; Share; Posted March 27, 2008. More sharing options. Re: MVS MV-1F motherboard: stereo via JAMMA?When SNK created their Multi Video System, they added a few extras, including a fourth button using one of the two spare pins on the JAMMA harness and a select button on another. 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. Something to hook the Raspberry Pi to JAMMA. I believe the JAMMA switchers only switch the power, which are identical on JAMMA vs. 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. The board was shipped from factory with an audio fix consisting of 2 jumper wires, going through. Those Jamma adapters are intended for running T&F or HyperSports in a typical 2 player Jamma cab, mapping the run/jump buttons to player 1 and 2 buttons 1,2, and 3. On our map, a blue pin indicates a site with a confirmed location and photo. I tried doing a search in this forum for "MVS STEREO" and "MVS Jamma Wiring" and I didn't find anything helpful. File:Joypad pinout. All NeoGeo MVS units are almost fully JAMMA compatible; however, theyMVS to Jamma ~ speaker wiring advice. used by JAMMA pcbs as a general rule, but there are some exceptions you must be aware of. - 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. I want to put a taito F3 motherboard in it wich is jamma standard mono. | 440-365-9906| Every joystick and button micro switch must be connected in the same manner. 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. Re: MVS MV-1F motherboard: stereo via JAMMA?Email - sales@highscoresaves. DON'T SKIP THIS STEP, Put one of the ┳ pieces in pin 7 of the jamma harness ; WITHOUT THE PCB CONNECTED turn on the machine and adjust the voltage in pin 3 to 5. The Netherlands. The Aliexpress item has the following, confusing, title. CTRG1 = Graphics Roms, S1, M1 CTRG2 = Program Roms, Sound Roms NOTE: On CTRG2-B, The "A" lines start at "A1". RS-485 pair + ground. SF2 or MK there is too much hassle involved from my perspective (different.