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LAI Upright Raiden 2 Cabinet

RetroSwim

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Jun 23, 2025
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Hello all!

I've recently got a beautiful upright LAI cabinet, and for the most part it's running like a dream!

20250507_161112.jpg


The Raiden 2 board has developed the infamous audio squeal, and I've ordered the replacement HB-45A module, so hopefully that'll do the trick.

I wanted to get some insight into the cabinet itself though. I've not had much luck trying to figure out what the model of the cab is, so that I might get a service manual. Any ideas?

Mainly, there is a 7-segment credit display above the screen, which I'd like to have showing something, even if it's just 00 or whatever, with the game being in free play.

There is a small PCB attached to the main control box at the bottom of the cab, labelled "Universal video credit board mk4", apparently manufactured by Sunrise Micro. I have a manual for it, but nothing for the rest of the cab.

So at the very least, I would either like to know more about the big control box (which has the wiring harness going in, and the JAMMA harness coming out), or the wiring harness itself. Obviously a service manual for the whole cab would be ideal!

Hoping some of the knowledgeable folks here can point in the right direction!
 
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