the tester should show if a button is locked on/grounded. its a must have for troubleshooting
I had a problem once with a JROK. an input buffer needed to be replaced
https://richmondmagazine.com/news/richmond-history/arcades/
The first standalone and enduring video arcade opened in 1977 in what was then the Chesterfield Mall, according to metro Richmond directories.
The shopping center, located at Midlothian Turnpike and Huguenot Road, opened in 1975 with...
Funway Freeway at Chesterfield Mall (South Richmond - late 70's / early 80's) had the blacklights, mirrored walls in the back with the pinballs down the sides. Atari football in the far back.
Newest games would be out front. I remember Lost World pinball being a big hit. Asteroids, Tail Gunner...
About 13 years ago, I brought home my uncle's 478 that was shorting out and making a god awful sound at random times, especially when I touched the cabinet.
I opened up the amp and removed the protective plate shown below to inspect. Cant remember exactly, but I think there is supposed to be a...
Is this the Ultimate Arcade with a pc or Ultimate Arcade 2 with just the jamma board?
Have you hit the service button and gone through the diagnostics? There is a volume level adjustment
https://www.chicago-gaming.com/product/manuals/home-arcade
edit: looks like the UA2 stand alone pcb. not...