Ok, most grey market gambling games use a non-jamma harness called the 8-liner harness. It has the pins really close together.
They use the same monitors as standard arcade games, although some have touch screens as well.
The one I had came with a linear power supply, but they can use either one.
I am sure you should be able to get a wiring diagram somewhere for one of them.
Personally, I think the only thing Cherry Master cabinets are good for is to refit for mame or JAMMA. If you have some good monitors in the batch, then I would sell off the boardsets and wiring harnesses and use the proceeds to JAMMAtize them.