Nintendo to JAMMA help needed

dezbaz

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Hello people

I have bought one of these from Mike's arcade to run a 2 layer DK board.
http://www.mikesarcade.com/cgi-bin/store.pl?sku=NIN2JAMMA

NIN2JAMMA.jpg


Just wondering what the rainbow cable is for. I can see a spot on the DK PCB but where does the other end go to? :)

I plug the game into the Adapter and fit into a working Jamma Cab and get nothing on the screen

Any help / or diagram appreciated
 
The rainbow cable passes the voltages from the main board to the video board, there is a plug in the corner of each board for it.

And yes, without the power going to the video board, the board will not run.
 
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