FS Parts: FS JAMMA Test Rig / Bench

Liteyear98

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Up for sale is one JAMMA test rig mounted in a plywood case

Items built in:
SAMTRON 6" monitor
Switching Power Supply
CGA to VGA Converter Board
New JAMMA Harness
Small Converter board -- See the details here:

See the video here:

Asking 200 plus shipping

You can see the built converter that is used on the monitor.
Pic 1 - Samtron Monitor and Two built converter
Pic 2 - Close up of RGB into Chassis
Pic 3 - Converter Assembly (JAMMA Video in, then Converted, then to the Chassis)
Pic 4 - Video in from Harness and +5 Volts for Converter Card
Pic 5 - OutPut from Converter Card (RGB from White Molex Connector to IC103 on Chassis and Separated H&V Sync, Contrast and Video Ground to ten pic connector on Chassis)
(Higher Res pics here)
 

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Last edited:
testing bench

have you thought of putting a comprehensive set of plans out to sell so if a person wants to build there our or customize it to fit there needs or their benches needs??
thanks
 
Not Really

The information is out there and I thought the same thing when I first started doing games as a hobby. Why doesnt someone just tell you how to build it? The answer is that you are expected to read, read, read and read, then maybe post some questions and then just do it. The issue is having the parts on hand to do it followed by knowledge.

Each rig I feel is generally unique and this one can easily be customized to what one wanted, because its ready to go.

This has a New Samtron monitor I figure about 25.00 (Shipped to me), New Harness 12.00, Power supply 20.00, New CGA converter board 40.00, The board to split the Csync for the monitor 10.00, throw in the power cord, wood and Hardware (Screws, Toggle switch, Push buttons, fuse block, Start and Credit buttons with micro switch, Fuse, Wire, cable ties, PCB Feet, Molex Connectors and pins, Solder, cable clamps, etc...) and thats about 30.00. totaling 137.00
Now add my time to build it - The box, Soldering, drilling building the little board takes an hour or so and is tedious. I think its worth what I am asking.

With this You can test boards with either a CRT or the built in monitor. I plan on adding a 60 in 1 so I can test machines with a JAMMA extension harness. Just pull up to the machine, plug in and run the extension harness from board to machine harness.

Thanks
Michael
 
Great value if you are starting out as it is well worth the shortcut for your time. My suggestion would be to add a small project box with small push-buttons (8) to simulate two joysticks and also the P1 P2 P3 buttons (or more). Would save desktop space.

Other customizations:

Add a handle to one side for portability.
And a monitor extension cable for testing monitors in a cab

Nice work!!

Bill
 
Last edited:
Thanks for the feedback

I had thought of a handle, I just havent found one I really like.

As for the case, I actually have a good idea in mind of what I want it to look like in the long run, but I wont worry about looks just yet. This is some Birch plywood I had left from another project.

The monitor extension cable is a good idea, I will have to look into the most common connectors and map it out. A blueprint for how I have it wired might be a good idea as well.

I hadnt really tackled the joystick issue other than to jumper one onto the harness to test a game. I have a few ideas ranging from push buttons, actual joystick or possible using a real joystick from a game system.

Thanks for all of the feedback
Michael
 
joystick

on the joystick how about a plug in port to put an external one on and detach after use so the cabinet doesn't get too bulky with too many things hanging off of it.
 
I agree

I actually bought some 8 bit Nintendo Joys to use for this, but just havent gotten the time to work it on. I was also leaning toward an old PS controller i have.
 
The information is out there and I thought the same thing when I first started doing games as a hobby. Why doesnt someone just tell you how to build it? The answer is that you are expected to read, read, read and read, then maybe post some questions and then just do it. The issue is having the parts on hand to do it followed by knowledge.

Each rig I feel is generally unique and this one can easily be customized to what one wanted, because its ready to go.

This has a New Samtron monitor I figure about 25.00 (Shipped to me), New Harness 12.00, Power supply 20.00, New CGA converter board 40.00, The board to split the Csync for the monitor 10.00, throw in the power cord, wood and Hardware (Screws, Toggle switch, Push buttons, fuse block, Start and Credit buttons with micro switch, Fuse, Wire, cable ties, PCB Feet, Molex Connectors and pins, Solder, cable clamps, etc...) and thats about 30.00. totaling 137.00
Now add my time to build it - The box, Soldering, drilling building the little board takes an hour or so and is tedious. I think its worth what I am asking.

With this You can test boards with either a CRT or the built in monitor. I plan on adding a 60 in 1 so I can test machines with a JAMMA extension harness. Just pull up to the machine, plug in and run the extension harness from board to machine harness.

Thanks
Michael

Add to the fact that if you're in the need of a test-bench monitor, then you probably have enough knowledge to build one in the first place. What you're doing is a service more than anything else.

And Timeline is crap for packing (I bought 2 monitors... one arived nicely pre-necked for me).
 
Interesting

Add to the fact that if you're in the need of a test-bench monitor, then you probably have enough knowledge to build one in the first place. What you're doing is a service more than anything else.

And Timeline is crap for packing (I bought 2 monitors... one arived nicely pre-necked for me).

Do you still have the chassis? I need one
 
Absolutely
You know the OP hasn't logged in since 7-Jan 2020, almost 2 years ago.

But OP might come back to let you know he doesn't have anymore...

I wouldn't want a test rig with a CGA to VGA converter as that can limit some of the games you can test. (Some don't play nice with converters.)
 
Absolutely
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