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Main => Project Announcements => Topic started by: smythe on April 12, 2007, 11:47:56 am

Title: W.I.P. Jamma Test Rig *warning large pics*
Post by: smythe on April 12, 2007, 11:47:56 am

i know this aint a machine i have a large garage so i decided to build a decent test rig to save hooking up to a cab all the time....

loads still to do adding 1&2 player 1-4 buttons + 2 player joystick + a few other bits..

(http://www.brighouselodge1301.co.uk/images/IMAG0856.JPG)
(http://www.brighouselodge1301.co.uk/images/IMAG0857.JPG)

cheers

Title: Re: W.I.P. Jamma Test Rig *warning large pics*
Post by: ChadTower on April 17, 2007, 09:31:03 am

You don't have to build a huge rig with a dedicated control panel.  A very small one with the right amount of small buttons will do the same.  JAMMA sticks are just 4 microswitches, the buttons are just microswitches.  You can put a decent JAMMA test rig in a small space.  I've seen plenty of them in only a couple of square feet.  A power supply, an RGB capable 15khz monitor (old Commodore monitors are perfect, small, use house AC, and also accept RCA for regular TV), and a test panel less than a foot square.

Title: Re: W.I.P. Jamma Test Rig *warning large pics*
Post by: smythe on April 17, 2007, 03:42:44 pm

hi
i wanted a large work surface to work & test boards ect
i also repair beer fonts & chip consoles ect on it i hate being in tight spaces ...
so i made a big thing so i could have say a pcb & a console in bits and a beer pump all at the same time + im having a new kitchen so all the old units are going under and over what you see...
also with the buttons instead of the sticks is ok but i like to play the games aswell :)

cheers

Title: Re: W.I.P. Jamma Test Rig *warning large pics*
Post by: ChadTower on April 17, 2007, 04:35:04 pm

Fair enough, but watch out for that joystick, I saw one of those in hole in a movie once and you won't like where it goes. 

Title: Re: W.I.P. Jamma Test Rig *warning large pics*
Post by: steveh on April 17, 2007, 04:40:18 pm

Quote from: ChadTower on April 17, 2007, 04:35:04 pm

Fair enough, but watch out for that joystick, I saw one of those in hole in a movie once and you won't like where it goes. 

hahaha!!!

Title: Re: W.I.P. Jamma Test Rig *warning large pics*
Post by: arcadefever on April 17, 2007, 07:07:36 pm

i dont have that much space, so i buid a small one....

(http://www.arcadefever.net/MYPROJECT/test-bench/kif2168ix9.jpg)

http://www.arcadefever.net/MYPROJECT/test-bench/TEST-BENCH.html

i wish i had such a wide surface to work on it .....

Quote

Fair enough, but watch out for that joystick, I saw one of those in hole in a movie once and you won't like where it goes. 

 :laugh2:

Title: Re: W.I.P. Jamma Test Rig *warning large pics*
Post by: ChadTower on April 17, 2007, 08:49:56 pm

Is that a tiny video screen?

Title: Re: W.I.P. Jamma Test Rig *warning large pics*
Post by: arcadefever on April 17, 2007, 10:42:56 pm

Quote from: ChadTower on April 17, 2007, 08:49:56 pm

Is that a tiny video screen?

yes 5"

Title: Re: W.I.P. Jamma Test Rig *warning large pics*
Post by: Witchboard on April 17, 2007, 11:21:21 pm

Mine.  Still a work in progress, but functional.  Having a dedicated table like that will be very handy Smythe.  My workspace is small, so I end up working on something then going to the other room to plug it into my tester.  Hmm.. I should get more organized.

Title: Re: W.I.P. Jamma Test Rig *warning large pics*
Post by: ChadTower on April 18, 2007, 09:02:08 am

Quote from: arcadefever on April 17, 2007, 10:42:56 pm

yes 5"

Cool.  Is it using an RGB-composite adapter or does it actually accept raw RGB?  Not many tmall LCDs I've seen accept RGB.

Title: Re: W.I.P. Jamma Test Rig *warning large pics*
Post by: horseboy on April 18, 2007, 09:17:31 am

Some of those 5" and 7" console LCDs can be hacked to accept RGB.

Title: Re: W.I.P. Jamma Test Rig *warning large pics*
Post by: 2600 on April 18, 2007, 10:50:30 am

That is one small CRT.

Title: Re: W.I.P. Jamma Test Rig *warning large pics*
Post by: arcadefever on April 18, 2007, 11:39:19 am

yest it is a small crt...5" it accept RGB, but as been modified to work properly...
got it 2 years ago on ebay, for $40...

work perfectly, multy sinc  ;)

(http://www.arcadefever.net/MYPROJECT/test-bench/kif2151ck1.jpg)