Click here to go the collection pages!

Disclaimer

The information on the following pages are for information and reference only. By opening a games machine you are voiding any warranty and in addition you can seriously damage your console by altering its circuitry!

All mods on the following pages have been tested although no guarantee or responsibility is implied. If in doubt don't do.

The following table illustrates the pin-out assignments for the JAMMA standard.
 
JAMMA
No Parts Solder
01 GND GND
02 GND GND
03 +5v +5v
04 +5v +5v
05 -5v -5v
06 +12v +12v
07 - (KEY) - - (KEY) -
08 CoinCounter (1) CoinCounter (2)
09 CoinLock (1) CoinLock (2)
10 Speaker (+) Speaker (-)
11 Audio (+) Audio (-)
12 Video-Red Video-Green
13 Video-Blue Video-Sync
14 Video-GND Service
15 Test Tilt
16 Coin (1) Coin (2)
17 1p-Start 2p-Start
18 1p-Up 2p-Up
19 1p-Down 2p-Down
20 1p-Left 2p-Left
21 1p-Right 2p-Right
22 1p-Shot1 2p-Shot1
23 1p-Shot2 2p-Shot2
24 1p-Shot3 2p-Shot3
25 1p-Shot4 2p-Shot4
26 1p-Shot5 2p-Shot5
27 GND GND
28 GND GND