by RameGoom » Fri Nov 17, 2017 8:23 pm
It's a Jennings J400, electronic non-microprocessor powered. I have restored a number of them. Difficult electronics, and prone to acid damage from the memory battery.
When they work, they work well. Are you trying to get it going?
Slowly building a knowledge base on E2000 series Bally machines and J400 Jennings. Started with the antique Mills and Jennings. Getting there...