I've got a Joker Poker with a Ni-Wumph CPU and original driver boards. The working board is PB00-D123-001 Rev A. Another board that I tried, PB00-D112-001 Rev C did not work at all. The manual Parts page shows the board to be a PB00-D110.

So, question is are these boards compatible with each other, or do I need to pay close attention to the board numbers and revisions? Is there a list of which machines need which revision? Thanks

#2 2 years ago

CHD

Cheddar

GoldenStatePin

Lodi, CA

11y 117K 5,181 17 10

The only major difference in driver boards is later ones have blocking diodes to prevent locked on coils from passing up the interconnect and damaging the MPU. I'd think something else was wrong with that board that may be pulling 5V to ground.

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