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Understanding Correct Jamma PCB Installation
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- Опубликовано: 10 окт 2014
- If you are new to arcades, you might be worried about connecting a jamma harness to your pcb in the wrong direction. This video will give show you how to install the harness the correct way…thus preventing any damage to your pcb. This video is intended for “newbies”
These sites are great for finding out about certain people you may not want to deal with in the arcade hobby.
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Intro song "Pentagram"
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these videos are great - you should do a video where you connect a cab from "scratch" but that I mean show how to splice / wire the a standard power cable to the PSU, then to the Isolation Transformer (which goes to the monitor?), and to the jamma board etc ....for us Noobs
I would probably do that if I can find a junk cab. Problem is.........prices have been very high lately. Even junk cabs that "need work".....are priced too high. Sellers (flippers) dont want to sell them for a reasonable price. Out here, I see the same cabs listed for sale month after month after month.
You could also check the wire colors. In the power section, the +5V and GND are doubled up. In the above case you can see that you get 2 black wires, then 2 red wires. Matching those is a pretty safe bet, but to be 100% safe you need a multi-meter with continuity tester (i.e. the setting with a little speaker icon that beeps when the leads touch). If you can't find a label on the board, ground (GND) and power (VCC) lines are routed to most chips. Worst case you can google the chip to figure out where to find GND or VCC.
Good job moomert1, very well explained, it will be very helpful video for those who are new to this hobby.
Thanks. I remember I had this problem when I first got into arcades.
the monitor I wanna use is a 2004 with a built in rgb so you just answerd my question that I have been asking for weeks thank you so much you are a great help love your video as well thanks again have a good one.
Thank you Sir, it helped me a lot. Greetings from Karachi, Pakistan.
glad my video could help
I am hard of hearing and can you enable automatic captioning? Thanks :)
Thanks for explaining that. I just got a jamma cabinet, total noob. The guy I bought it from said you can electrocute yourself so I am trying to educate myself while I wait for my first board.
Glad my video could help you
Probably not wire to earth-grounded.
Awesome video. Super clear straight to the point. Thanks for sharing. !!!
Glad you enjoyed it
What kind of damage if I plugged in the wrong way.
And with that converter what dose it do cuase I have only workded with mame arcades and i am trying to learn as much as posible and when I look on google they don't give me the answers I want to hear so what dose the converter do what is it used for cuase you said that the computer needs no mods but I would have to buy the piece so that my neo geo jamma can read the the monitor
In simple terms, an arcade uses "signal A", a computer monitor uses "signal B", attach them together and you get a screwed up picture. The convertor takes the signal A from the arcade and changes it to a signal B so that the picture will show up on the monitor.
If you have an arcade pcb which uses VGA connection, then no adapter is needed..assuming your computer monitor has a VGA input
My jamma harness is really tight, meaning it’s very hard to press on to the board and hard to remove. Is there a Safe way that you know of to loosen the harness? I was thinking of sticking a flat head screwdriver in it ay the top middle and bottom and slightly twisting the screwdriver to expand it. but I don’t wanna damage anything.
Has you tried other game birds to ensure that the issue is the hanes and not the pcb board?
Great stuff as always . Have u ever had a Area 51 site 4 board ?
Nope, never had a Site 4....just the Area 51 / Max Force combo board.
moomert1 Thank you for great video. I have a question regarding Japanese arcade system Namco 12. Is it possible to update the firmware on that system? I.e. I have VER.A board and I would like to upgrade to VER.B. I googled it but looks like there is no info on that topic.
Hey, I have a bit of an odd question. I'm getting my first Jamma PCB soon. Ideally the stick I would want to use for the board is the stick I use for everything else. Basically I have several controller PCBs inside the box and just use whatever port I need when I need it. I would like to do the same thing with the Jamma harness having it permanently attached to the stick. This issue however comes from power as the only way to have the harness permanently connected to the stick would be to reconnect the power wires every time I use the PCB. I was thinking that I would be able to simple cut the harness in two along the key to separate the power and control portions of the the harness. That way I could have the control section attached to the stick and leave the power section permanently on the power supply. Would this be safe to do or would I be messing up something I'm not aware of inside the harness?
In theory it should work. In arcades, the connecting wires for the joystick and buttons are nothing more than 2 wires hooked to a cherry switch.
Nice, thanks. I figured it would work, though the idea of cutting into something when I'm not fully sure didn't seem like the best idea.
My blue wire for color isn’t working and I believe there’s a problem with the motherboard. Is there a way to fix that?
Joseph Beltran does the blue work for other games?
Hay question can you use a desk top pc monitor for a replacement for any jamma arcade or would I have to modify it???
No mods to the PC monitor needed, however you will need to buy an adapter.....a cga to VGA adapter.
Great video. I have a CPS2 cabinet, the jamma harness is not labeled, but it has the notch and the wires in the end are same colour and thickness.
I bought a 60 in 1 board and tried connecting the jamma. Didn't blow up anything :)
but I couldn't navigate the menu or start a game, any tips ideas to trouble shoot? how would I trigger an insert coin?
Thanks for sharing this knowledge :)
For the 60 in 1 boards, you have to either insert a credit to start navigation...or I believe there are some dip switch settings that can bypass this.
The player 1 coin wire is number 16 on the jamma harness
moomert1
Thanks :) I will try it again tomorrow. PS: forgot to mention I noticed on my Jamma connector there are 9 empty holes where there are no wires connected.
The missing wires are not necessarily bad. What game currently runs in the cab?
moomert1 Street Figher 2 Alpha and I've got a couple of more B-Boards for it, but they may not be working, haven't pulled them out of storage.
So I got the 60-in-1 working but it wasnt straight forward. The CPS2 is Jamma but the harness I dont think is standard. First I grabbed a diagram of Jamma and its pins from a google search, next I manually inserted coins by manually jumping the Coin 1 against ground. I was able to navigate through the menu with Player 1 joystick but that's about it. I used a multimeter to check the continuity a against Joysticks and buttons and it turned out that I didn't have ground coming from
Street Figher 2 Alpha and I've got a couple of more B-Boards for it, but they may not be working, haven't pulled them out of storage.
So I got the 60-in-1 working but it wasnt straight forward. The CPS2 is Jamma but the harness I dont think is standard. First I grabbed a diagram of Jamma from a google search, next I manually inserted coins by jumping the Coin 1 against ground. I was able to navigate through the menu with Player 1 joystick but that's about it. I used a multimeter to check the continuity against Joysticks and buttons and it turned out that I didn't have ground coming from the Jamma connector against all the buttons and 2nd player joystick, after some tracing, I found that the missing ground comes from this 34 Pin Connector that goes to the CPS2 A-Board and since I didn't have it connected to the A-Board the ground was not completed for those buttons, joysticks. So I jumped a ground wire to get those working without the need of connecting to the A-Board.
Now I could play the games, however I still had the issue of having to insert coins, for that I had to first set a physical dip switch to Test mode. Once I was in the test menu, I had to set a virtual switch to Free Play.
It was an interesting experience to get this working :) Now I'll need to figure out the next step. The 60-in-1 is suited for vertical monitor, my Cab is Horizontal. I'll probably endup building a small cab or something and a fresh set of controllers + Jamma connector and harness.
Thanks for nudging me in the right direction.
AnalogX64
you can always just find a junk cab and make it into a 60 in 1. I had a junked Pac-Man cab which I turned into a 60 in 1. I have a few videos showing what i did.
For those CPS2 games, make sure to keep an eye on those batteries. .
3 of My Pandora jamma are not displaying.
1 has sound only
Jamma edition or family edition?
@@moomert1 it has jamma attached
@@matthewm7540 pandoras box carts are not jamma. They are Chinese jamma. Slightly different. You will need an adapter. Try Mike's Arcade. I'm sure they have what you need.
@@moomert1 the jamma plug is built in advertised as jamma.
Oh 1 worked on a different cabinet while back.
Maybe my wires aren't same
How can i fix a no signal on monitor
For pot of gold fox340s
im going to try and hook the stargate and 60 in 1 up together you think it can be done ?
Stargate as far as I know is not jamma.