4. RGB/CGA/EGA to VGA Converter manual. 99. The JAMMA standard was invented in 1985; any game older than this will not be JAMMA. 9%. It looks like he did this on both sides. It is the surface anywhere the soldered connections of lesser are bare to view. The JAMMA+ harness found in PGM boards is a 34 pin IDE connector. The Ms. Jan 24, 2009. OP. 95. Im looking to but my first arcade. 96mm pitch-edge connector (male on game board). Kujako said: Correct, mine actually has the power adapter (pic was from an image search). I have totally rewired the entire cab with one of Bobs harnesses and im down to just the coin door bundle. clean the slots w isopropynol , and ensure proper +5 at the edge connector. KEY. 2. I have converted a clone cocktail cabinet and put in a LCD and an ArcadeSD PCB. connectors $90. Some games<br />. Golden TEE Pinout. 67. Wiring Harness (Pinout) The wiring harness, or board pinout is probably the single most important factor to consider when changing boards. Therefore you CANNOT hook a JAMMA board directly up to a Mr. us Jamma Board Standard Cabinet US Wiring Harness Loom for Jamma 60-in-1 PCB Board. Comparing the wiring to the wire guide it’s the same thing, things are just a bit out of place. €17. Thread starter Misos; Start date Oct 18, 2019; M. 5RC. This stylish red Harness Cover will keep your wiring neatly organized. Solder a wire from your Male DB9 connector to your Controller port. gif. 31768. 00. Donor 12 years: 2012-2023. 2. 3. JAMMA+ Harness Pinout Diagram for Global Arcade Classics Kit SOLDER SIDE COMPONENT SIDE Signal Color Pin PIn Color Signal Ground BLK A 1 BLK Ground. A lot of arcade operators had their older cabinets rewiring in the JAMMA standard which allowed their PCB’s to be plug’n’play. Power, ground, joysticks, buttons, and more. Some games (Street Fighter, Mortal Kombat, etc) which need extra buttons have extra connectors for these additional controls. It's probably CHAMMA, so your harness is not sending the right signals to the right areas. CN3 - 3 Player Controls; 1: Coin 3: Violet/Stripe: 2:. Doing so may damage your PCB irreparably. games. jamma harnesses Thread starter jimbodeanny; Start date Sep 29, 2006;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. 68. Doing so will certainly fry the inputs chip ( NEO-C1. as the 302-in-1 PCB. Joined Oct 28, 2007 Messages 5,070 Reaction score 570 Location Washington. $182. QIX to JAMMA This document will detail the wiring necessary to convert a QIX boardset to run on a JAMMA harness. 50. Is the Namco 246 (Tekken 4 in my case) the same as Jamma, or is it like the system 32 where you would need a kick harness to play a standard jamma board? I was wondering cause I recently purchased a Double Dragon Board (my 3rd one) and would like to hook it up in a machine to play. Used for all game boards that uses the standard Jamma wiring standard. And, it is the JAMMA standard pcb pinout (charted below) that has made it all possible. If you do not have a JAMMA harness already installed in the cabinet you have selected and areJAMMA Wiring Harness. I am wiring a jamma harness in my cab with a 412 in 1. Jamma Harness Wire Wiring Loom Item Specifics: This is Brand new Jamma Harness with 2x28pins 56 Pin connector that can be used for standard Jamma Arcade cabinet (Machines) and PCBs. . Please see below for the full games list (3000 games in total). Centipede Cabinet to JAMMA PCB Adapter. Centipede JAMMA Adapter. Item is in stock. ** Soul Edge button names. Solder a wire from your Male DB9 connector to your Controller port. Contact us: 1-229-941-2506 M-F 8:30 AM to 4:30 PM. 96mm pitch-edge connector (male on game board). Power wires are 18ga, signal wires are 20ga. Please reference the pinout below. Regular price $22. Nov 5, 2008. The JAMMA standard was invented in 1985; any game older than this will not be JAMMA. Re: Wiring 60 in 1 and LCD. $2. Jamma harness and optical joystick wiring $45. Everything you need to wire up your new Single player cabinet. Nos Midway 4 Player Jamma Wiring Harness PARTS ARCADE video GAME Part Fx1. I have a Multi-Williams Jrok board and I'm in the process of wiring the switches and power. Capcom button names. 3 MB File. Joined Feb. Standard Ignition 3. arcade. Make sure it is fully wired. The JAMMA connector is a 3. modessitt said: Suprised no one has pointed out that Stereo sound is determined by the JAMMA board, not the wiring to the speakers. 95. Hey folks. Product Information New Premium Standard 56 pin Jamma connector used on many arcade boards to simplify conversion of game cabinets with color coded connections for 2 players, power, coin doors, test, service, video, and sound. Another reason why we think this JAMMA harness is the best is that the colors all match the common JAMMA standard. JAMMA Wiring Harness Multicade 60 in 1 Arcade Game Cabinet Wire Labels Free Hot. 00. Connector the power cable to P9 on the GBS-8220 converter PCB. Joined Sep 16, 2019 Messages 51 Reaction score 15 Location Brazil Oct 18, 2019. For the left switch, one wire goes to "Coin 1" on the jamma harness, while the other wire goes to ground. If you. . I like to make my harness well rounded so I make sure that the wires are there for the extra buttons that the Neo Geo and Atomiswave uses which are pins 25, 26, Ac and Ad. See list below. 2. Location. Pinouts 12v DC version Wiring harness pinout . Standard JAMMA Connector Pinout. In this video, I will show how to read a jamma harness pinout. In the case of the latter, most controls interface via. If it ever had a CP molex plug, it had been cut off before I got it. Coin Counter on the Nintendo board is Pin20 to +24V & +Coin Counter, and PinX to -Coin Counter. Description. It looks like the previous owner wired the two wico coin mechs together to feed into the single coin1 jamma input, so my understanding is each mech should have two wires, which should be the. Yes, l'm trying to learn how to hook one of these up. The switcher routes +5VDC, +12VDC, and -5VDC, 4 shot buttons,. ★★★28x2 Pin Jamma Wiring Harness, it is used for Arcade Machine Video Game Consoles Pandora Box 4 5 6 Game to simplify conversion of game cabinets. Most JAMMA boards expect pin 27 on the harness to be connected to ground which is part of the wiring standard. III 、 JAMMA Wire Map PS: 1. Wiring harness for RA-TRACK-BALL-3. Aero city seems to be totally different where the harness just goes straight to the control panel directly. Now with 6 button capability! All control leads have . Joined. 99 New. 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. This 2 player trackball interface JAMMA harness is for adding a trackball to your 138-in-1 (horizontal), 276-in-1 (vertical), or 412-in-1 (horizontal) Classic Arcade Multigame PCBs. coreyr. Once you have the jamma harness, just wire it all up following the labels on the jamma edge connector to the relevant point to wire it to. Yep. $4899. Many harnesses use regular 56 pin board connectors which don't have the key to avoid accidentally plugging them backwards. Details Wishlist Assorted Connector Lot. com and it only has one sync cable as well. 5RC. or Best Offer. $19. In this section you will find all kinds of wires, audio cables, Jamma harnesses, connection cables and accessories for the setup of your arcade project. With the advent of JAMMA swapping game boards between cabinets became much easier, since the boards used the same pinouts the primary issue to contend with was/is the orientation of the monitor and. I got my harness from jammaboards. Jamma to Scart TV Adapter. Says 1 & 2 should be off with 3 & 4 on for 6 button jamma, but it should be 1 & 2 on, 3 & 4 off. ★★★Standard Jamma connector, contains 5 6 PIN Interface Cabinet,fast connection to the jamma board and joystick or buttons. 1 Cowl Wiring Harness CM-14A006-A5LB This harness is labeled and includes all connections required to power up and run your engine equipped with a 2011 or newer. This is incompatible with the JAMMA standard due to pin 27. 28 pins on each side of the Jamma harness. Standard JAMMA. The JAMMA wiring standard was introduced in 1985. Universal design for 2 player games. Two connectors will need to unplugged and swapped when you want to go from jamma mono to cab amplified stereo. LED Zero Delay Wiring Map. On a normal jamma harness, pins 27 and pin 28 (top and bottom side) are all assigned to ground. 28 pins on each side of the Jamma harness. (You need only to splice in the Main Power (110v AC) into the 3-Pin Connector (GRN/WHT/BLK). « Last Edit: August 20, 2012, 02:52:37 pm by Nephasth ». Solder a wire from your Male DB9 connector to your Controller port. but never never to the jamma. Pandora Box CX Games List. Connect the JAMMA side of the new J2 harness to J2 of the Perfect Solution board (#9). They would normally go to the four directional joystick microswitches, along with the grounding block harness on the opposite connection for each switch. Mortal_Kombat 1 Kit T-Unit CPU - 16-43275-101-B 74 Pages, 3. Hundreds of used Molex, Amp, etc. Wiring through an IPAC is similar though requires a separate board. 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. 10. You wire the negative terminal of the left speaker to the positive terminal of the right speaker. If you are installing the kit into a JAMMA cabinet, GLOBAL VR strongly recommends that you replace your existing JAMMA harness with the JAMMA+ harness from the kit. Location. Based on above it sounds like you broke your connector (non jamma) and are simply replacing it as is with no jamma involvement or intentions. Quantity: Brand new JAMMA wiring harness made of high quality UL1007 wire. This covers most major issues when it comes to wiring and the JAMMA harness. #1. Mortal_Kombat 1 Kit T-Unit CPU Ademendment - 16-43725-AMD-1 1 Pages, 19 kB File. Apr 6, 2016. In some cases a pre-made convertor harness could be used (the Namco2Jamma convertor shown is available from mikesarcade. Jan. Posted September 20, 2011. If you cannot use the existing wiring, then remove all the old wiring from the control panel, test switches, coin door, speakers, and PCB power. Harness Pinout Is Labeled For Pandora's Box Fast connection to power supply with. Guessing that's the aux/kick harness for buttons 5 & 6. It's ugly, but it works. Pyramid Phoenix Thermal Printer. 9 pin power supply connectors. Easy to follow. The only thing you have to wire is the switches that the coins activate, and that is real simple. 56 pin (28. to have mono coming out of both speakers via the I/O and JAMMA harness. Add to cart. Apr 21, 2018. I understand the 12v and ground, but have a couple of other questions. $1995. Coin door harness was cut so I don't know what the normal state of it is, nor do I have any sort of standard connector for my jamma harness. Does anyone have a 100% true and accurate JAMMA schematic they have. Hi guys and girls I have a question on an arcade project I have just started. The software and hardware works together to listen for signals on each of these pins and make a logic decision in the game. On a JAMMA harness slots 8 and J are reserved for coin counter 1 and 2 respectively. > Includes two Coin Meeter lines for Coin Counter 1 and 2. Here, this will make it easy. Edge connector includes -5Volts (as well as all other voltages) Button 4 + 5 are also connected into the harness. ShmengeTravel Mature's Make-up Artist. It comes with edge connector, push button lugs, power leads, grounds, and. 96mm pitch-edge connector (male on game board). I. $1. JAMMA is a standard connector used on many arcade boards to simplify conversion of cabinets from one game to another. Arcade Accessories. Doing so may damage. 17 shipping. Includes a menu systems for game selection. Can you help? A: Yes! You can find the diagram for a standard JAMMA configuration below: Q: I am wiring a JAMMA harness into a cabinet and do not have a wiring diagram handy. See installation instructions for details. – Board pinout: Jamma 6 buttons – Power input: 5v/12v (Through jamma aor Molex connector) – Dimensions: 15,2 x 3 x 15 cm . Product Information New Premium Standard 56 pin Jamma connector used on many arcade boards to simplify conversion of game cabinets. All the jamma harnesses I have used came with no connectors and I supplied my own. Please see below for wiring diagram of the extension cable. Currently, it's hooked up to a. These connectors have metal pads of easy access for soldering all the Jamma cables in a simple, effective and easy way. pdf), Text File. Something to hook the Raspberry Pi to JAMMA. #2. It was the proof of concept of a cheap DIY Arcade interface board with even more features than commercial products. I would be interested to hear if someone has a better/easier solution. Frequently bought together. May be the way to go around this will to plug buttons 1 to 5 thru the Jamma (Jamma+) and the 6 buttons using CN4 following the pinout you found out. Jun 10, 2014. Maintained 246/256 Software. If you choose to use the existing JAMMA wiring, you will need to make some modifications. The JAMMA wiring standard was introduced in 1985. JAMMA is a standard connector used on many arcade boards to simplify conversion of cabinets from one game to another. TwistedQuarter. $9. To hook the JROK to a VGA LCD monitor: 1- move the onboard connector from the CGA position to the VGA position 2- Find an old monitor cable (d-sub connectors) and cut it in half 3- strip back the wiring to. <br />. 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,. There are four +5 volt wires in the JAMMA. In my lack of due diligence, I purchased a harness meant for a Pandora’s box (despite the item title saying otherwise). Use a dab of epoxy on the back to hold it in place in case the plastic hole is too big. It's probably CHAMMA, so your harness is not sending the right signals to the right areas. Jun 28, 2022. 25. Search_Terms: Jamma 60-in-1 PCB, iCade, Arcade Multigame, Multicade board, JAMMA, Jamma PCB, Jamma 60-in-1, 60 in 1, Jamma Boards, 60 in 1 Arcade, 60 in 1 Jamma, Jamma Arcade, iCade 60 in 1, iCade 60-in-1, Jamma Board, Jamma wiring harness, jamma LED wiring, arcade wiring harness 44 PIN - GOLDEN FINGER. In this video, I will show how to read a jamma harness pinout. ) 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. item 8 Track Ball - 2 Inch Arcade Game Lit Trackball for Jamma 60. In some cases a pre-made convertor harness could be used (the Namco2Jamma convertor shown is available from mikesarcade. The writing harness from the original contra wiring goes into something that I can only describe as an adapter then it goes into a standard JAMMA harness -- not sure if this has anything to do with the lack of sound. Note that the G, I, O, and Q letters aren. Jul 22, 2022. Please confirm the pinout in the table below matches the wiring of your cabinet. Bremen, Georgia. It's not necessary, but it's definitely convenient if you plan to switch out boards a lot. net pins are labelled with letters and numbers. The majority of games use a subset of this pinout. Complete Multi-Williams upright multigame wiring harness. Then your 60-in-1 will be powered through your JAMMA harness. Manufactured For Atomic Market by DIY Retro Arcade Jamma Harness with 2x28pins 56 Pin connector that is custom made for bartops installing Pandora's Box High Quality Wire and 30 Inches Long, perfect fit for bartops or 3/4 scale without a mess of wires. JAMMA Wiring and JAMMA Pinout (PDF included) As mentioned the JAMMA connector is female on the harness side and male on the board side. It would be much clearer. With this PVC Harness Housing Cover we can protect our 56-pin (28 x 28) Jamma wiring without fear of any cable getting caught or any metal component touching the cable creating a short circuit. The game's wiring harness may show separate syncs, : but the schematic itself may show that there are unused pins : for composite sync. The bullet numbers 1 & 2 match the pic numbers. Here is an example of a typical JAMMA wiring harness. MVS and Jamma pinouts are slightly different, so you'll need change the pinout each time you switch between the two. #1. The power comes from the standard JAMMA harness (which gets it from your switcher inside your cabinet. 35. These sites are great for finding out about certain people you may not want to deal with in the arcade hobby. Connect the GBS-8220 PCB to your +5VDC Power Source: Connect the RED wire of the power cable to the +5VDC source and the BLACK wire to the DC GROUND source. If not a quick search around the net will get you the pinout for the JAMMA harness so you can figure it out. 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. When properly seated to the pcb, the connectors of the edge. May 8, 2021. I picked up a jamma harness for my 4 player Blitz 99 machine off eBay. Different arcade PCB makers use differnt. Six of those ground wires go to the power supply ground terminals. The Pi2Jamma has aextender Jamma Interface with 6 buttons per player plus option for Chamma (jamma pinout) . 2 In the 2010's, Chinese JAMMA boards started mapping the grounds on pins 'e' and '27' to INPUTs, to avoid using a KICK harness. Unlike the JAMMA pinout standard, kick harnesses are not a uniform standard. Remote. 7m -. Product Description. Where To Buy A JAMMA Harness Sometime around 1986, the arcade manufacturers decided that using different pinouts for each game was a bit of pain and that if a standard was developed, games. Member; OfflineJamma harness and optical joystick wiring $45. Capcom button names. Your 60 in 1 board can be connected to a standard 4 pin power connector and does not have to receive power via the jamma connector. you could run a Street Fighter Alpha in any JAMMA cabinet, you will only have use of. If you’re using a JPAC to interface between the JAMMA harness and the PC, you can use the additional pinouts on the JPAC to wire the buttons. Number Of Splice Connectors Included: 0. Here's the actual hardware in question, which has the auxiliary power connector (only used if JAMMA is unpowered). rod90 Well-known member. Adapters Accessories Fingerboards 'X' to JAMMA Cabinet. 100 header wiring harness. Right - Games. NOTE: Arcade controls for decades have wired the red wire to the negative and the black wire to the positive. As far as wiring it to the harness goes, it's hard to say. Ultimarc SpinTrak Spinner. Number Of Splice Connectors Included: 4. JAMMA boards that require this extra harness are referred to as JAMMA+ or. as long as it works is all that matters unless youre super anal retentive and cant sleep at night unless youre second coin mech isnt connected to pin 16 solder side pin T good luck10 There are NO traces to connect the leads on the MVS boards where -5V would come in from a Jamma Harness. This adapter includes the required 20 pin power connector and wire harness, and features a 12V lamp header along with a control map for providing 8 liner specific functions via the typical JAMMA controls. Part #: 80-5100-00 Condition: New: New standard 56-pin Jamma connector and color-coded wiring harness. Pinout for JAMMA Arcade game systems. Jamma Harness Wiring 6 buttons 150cm / 56 pins (28 pins per side) €11. Jamma Plus Board F. 50. ” While this translation is probably a little bit broken, the point is pretty clear. #4. In some cases a pre-made convertor harness could be used (the Namco2Jamma convertor shown is available from mikesarcade. 8mm Crimps (56 Pin) This JAMMA harness comes complete with . Just move any grounds (if any connected) from pin 27 top and bottom, over to pin 28 (top and bottom). I have the power and video working. 96mm pitch-edge connector (male on game board). Pre JAMMA arcade cabinets wiring was custom built and Arcade operators use to reuse unprofitable machine, changing the artwork and rewiring for the new PCB. Also fits: 619-IN-1, 750-IN-1 and 850-IN-1 Game Elf boards. Quick connect terminals for+5VDC, +12VDC, -5VDC and ground. Here is an example of a typical JAMMA wiring harness. New Full Jamma Plus+ cabinet wring Harness Features:> Connect 2 sets of controls for a 3 sided cocktail cabinet. It's fairly straight forward. I'm wondering if anyone can confirm the Super Jamma harness from Twisted Quarter can be used with an Atari power supply. Media. Section 2 – JAMMA Connector and Control Pinouts Solder Side Parts Side GND A 1 GND GND B 2 GND +5V C 3 +5V. Changes: Female edge connector side. Product Description. 2 MB File. No need for an adapter (wall wart) to plug into the Raspberry Pi 3b+. Inside the Supergun. New media New comments Search media. €11. If you study a JAMMA harness and the diagram of what's needed for a Blue Elf, you can figure it out. I was going to buy a new one but I'm having trouble figuring and finding a wiring diagram for. Components/PCBs. It is not fully JAMMA, but it's pretty close. Anyone have the pinout for a Pandora I can trust? Does the pinout change between different Pandora models? Does the Pandora allow for stereo output from the jamma harness? It states “Caution: Do not connect the PIN27 of JAMMA port to ground lead, it will affect the game’s playing. demogo Well-known member. I have the four wires coming from the harness for 2nd player up-down-left-right controls isolated. Please note that this adapter is not suitable for gambling and redemption environments. 28 pins on each side of the Jamma harness. Media. . Hey guys i just got a new cabinet and it has a jamma wiring harness and im trying to figure the best way i can get sound from a xbox 360 to it. Make sure it is fully wired. Apr 03, · JAMMA is an industry-standardized layout for arcade game board connectors. collecting (More info?) is the pinout for the jamma board the same as the original pcb? i had my unkeyed jamma ms pac board hooked up to an unkeyed harness and pulled it off but forgot to remember which way the harness was rotated. Oct 23, 2010. The following JAMMA pinout chart is basically a map of the JAMMA wiring harness 56-pin edge connector. As you can see below the Capcom CPS2 kick harness has way more pins than the Mortal Kombat kick harness. Location. TwistedQuarter. . Pandora’s Box 5S Features. This means it may be possible to plug the JAMMA connector in upside down. Now looking at the pinouts on my jamma harness, Pin 16 on the parts side ends in a 3 pin molex plug with a green coin 1, yellow +5 and a ground. It wasn't wired on the other harness (i. Can you help?Nov 5, 2008. Mortal Kombat 2 Dollar Bill Validtor Operation - 16-9664 1 Pages, 12 kB File. 22/44 PIN EDGE CONNECTOR MAKE YOUR OWN JAMMA HARNESS. Has anyone installed a multi game pandoras box to their stock jamma harness? I have a street fighter 2 with what seems to be the original jamma harness and I thought the pandoras box would be plug and play, but it hasn't. Description 56 pin (2x28 pin) JAMMA harness for use with existing cabinets with original JAMMA boards, or for use in new arcade builds using a multicade board. - nintendo monitor is installed in unit. « Reply #2 on: June 30, 2010, 07:37:36 pm ». 2. com : JAMMA HARNESS PARTS - Buttons / Switches Currency and Coin Handling Speakers Electrical T-Molding Nuts & Bolts / Fasteners Labels CLEARANCE ITEMS - LOOK. 33. As I was looking for different local-ish. I was going to create an adapter (modify a jamma harness) to run the 4 Slot PCB in the Jamma Cabinet. This is especially important for cabinets that. Assuming you have the wiring harness (the short cable sticking out from the bill acceptor and terminating in a 9 pin square connector), use this pinout. Inside the Supergun. If you. Capcom CPS1 Kick Harness to Microswitches / Buttons. Power Supply For Cherry Master or Pot O Gold: $45. If you don't plan on ever swapping your MVS board out, then there's no need. 5 x 11 sticker sheets from amazon, and then print on your home computer full size, do not scale it down. It's interesting that the Golden TEE folks claim the game is JAMMA, but it clearly is not. For the right switch, one wire goes to "Coin 2" on the jamma harness, while the other wire goes to ground. Once you have the jamma harness, just wire it all up following the labels on the jamma edge connector to the relevant point to wire it to. Logged. Recently put a JAMMA 60 in 1 into an old Contra Cabinet -- getting absolutely NO SOUND. JAMMA (Japan Arcade Machine Manufacturers'<br />. In hindsight, the best solution would have been to use a JAMMA harness extender and remove all unused wires, which I did for the USBLinx board on the other computer. Arcade1Up Cabinets are cheap. The pinout of a board is used to map all of the wiring of the components of a game to the circuit board. Mar 17, 2020. The pin on the right is the LED anode (or positive wire [+]). In the table below X indicates that there is no wire present. GBS8100 VGA to CGA Video Converter. Also fits: 619-IN-1, 750-IN-1 and 850-IN-1 Game Elf boards. #10. Jamma 60-IN-1, Mame, Retro PI Classic Arcade Multigame-Multicade Arcade cocktail game control kit. This standard pinout that was developed is know as JAMMA (which stands for Japanese Arcade Machine Manufacturers Association). Should I just connect that yellow button to "COIN 2" and cut the wires (including "COIN. 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. To use it you need either a Nintendo edge connector harness or a jamma adapter and jamma harness. ★All wiring uses 22AWG ,Cheaper harnesses will only use 24AWG or 26AWG. . 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. Jamma Harness Wiring 6 buttons 50cm / 56 pins (28 pins. 2 In the 2010's, Chinese JAMMA boards started mapping the grounds on pins 'e' and '27' to INPUTs, to avoid using a KICK harness. - dk jr board does have edge connector. I've personally been testing in a dedicated Defender cabinet and, although I might be biased, I can't tell the difference. I have seen a few of the Chinese made jamma switches - but unlike the green ones this one doesn't have a remote dongle but rather a simple switch that can be mounted in the cabinet which I think is much better. This versatile multigame board can be installed directly in an Arcade cabinet with a classic Hantarex Arcade monitor, for example, or in a. I have a JAMMA harness and the corresponding wiring guide.