I need to make a bench tester, HELP

knol1968

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Anybody have any diagrams, sites, books, or general advice for setting up a bench tester? Where to get parts for it?I've just about given up. I was able to repair my ALIENS, MK3, and Donkey Kong, over the last 5 or 6 months. My problem seems to be MONITORS. I have The Simpsons, NFL Blitz/NBA Jams, NBA Jams Tournament Ed., Time Cops, Monaco GP, Off Road, and Galaga. None of these monitors work(I think). There all different monitors so I don't think there interchangable. Besides checking power and runnig wires, that about all I've been able to do.

Help! Thanks
 
no jams just Jam!

back on topic, simpsons,blitz,Jam, Jam TE all use 25" or larger standard res monitors which are interchangable with your MK3 (the others might be also but i don't know for a fact).

to set up a bench station if i didn't have an extra good CRT arcade monitor i would get a cga to vga converter (40$ shipped), a switching or PC power supply, a jamma harness and maybe make a CP or convert a genesis controller for controlls, along with a cheap VGA monitor.
 
You will need an iso if you want to bench test monitors as well. That will rule out any power wiring problems In the cab. My bench basically is the harness, switcher, and "brick" out of the bottom of a jamma cab, along with a known good jamma board.
 
i built this rig for work to test jamma boards
IMG_0109.jpg

old computer from a hydro thunder

old jamma harness
old buttons and joy
used the pc power suply already in the hydro thunder pc case
old arcade speaker mounted inside in a old fan location
hooked it all up to one of thoes cga/ega to vga cards


its small self contained and portable for when i have to go on service calls

i just found a small iso so im going to install it inside the case and split the vid before the encoder card so i can test monitors as well
 
You will need an iso if you want to bench test monitors as well. That will rule out any power wiring problems In the cab. My bench basically is the harness, switcher, and "brick" out of the bottom of a jamma cab, along with a known good jamma board.

yup forgot that lil tidbit
 
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