JAMMA to Nichibutsu to Cabinet Adapter

Description

Allows you to use your JAMMA game in a Nichibutsu cabinet, or a cabinet wired according to the Nichibutsu Type B conversion class. Games with up to two buttons are supported.

Images

Pinout

This adapter follows the following pinout scheme:

SOLDER SIDEPARTS SIDE
P1UPP1DOWN
P1LEFTP1RIGHT
P1B1P1B2
P2UPP2DOWN
P2LEFTP2RIGHT
P2B1P2B2
COIN1COIN2
GNDGND
GNDGND
+5V+5V
+12VNC
NC+12V
+5V+5V
GNDGND
GNDGND
P1STARTP2START
TESTSVC
COUNT1COUNT2
SPK+SPK-
NCVRED
VGREENVBLUE
VGNDVSYNC

(Adapter edge connector facing away, list is ordered right to left)

Important: This adapter does not support the -5V power rail which is not present in Nichibutsu cabinets’ wiring harness. Games that require -5V may not run.

Button and Switch Layout:

In most circumstances this adapter will work as intended with your cabinet without any modifications. Problems may occur in a modified cabinet, or with games that require more than 2 buttons.

If the button order is wrong you may need to swap the wires going to the buttons behind the control panel.

Compatible Cabinets

This is the list of compatible games that should be compatible with this adapter:

Revision History:

Rev 1.0: Initial Design.

Specifications

Board Size: 45mm x 112mm
Current Carrying Capacity: 5V – 12A, 12V-3A