pcbjunkie
Alpha Denshi to JAMMA Adapter
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Alpha Denshi, later renamed ADK Corporation was an arcade game manufacturer mainly known for their Neo-Geo releases. In the 1980s however, Alpha Denshi released a number of arcade titles on their own platform. There was a mix of games that ran on unique hardware with different pinouts, and also some that ran on a common hardware platform with the same pinout. These games can be easily identified by the additional 12 pin video edge connector on the video board. This adapter converts only the Alpha Denshi games with this connector.
Game Compatibility
Game Compatibility
This is the list of games that you may be able to use with this adapter:
Pinout
Pinout
| SOLDER SIDE | PARTS SIDE |
|---|---|
| GND | GND |
| GND | GND |
| GND | GND |
| NC | VSYNC |
| NC | VRED |
| P2START | VBLUE |
| P2B3 | VGREEN |
| P2B2 | P2UP |
| COIN2 | P1START |
| COIN1 | P1B3 |
| NC | P1B2 |
| NC | P1B1 |
| P2B1 | P1LEFT |
| P2LEFT | P1RIGHT |
| P2RIGHT | P1DOWN |
| P2DOWN | P1UP |
| +5V | +5V |
| +5V | +5V |
| PIN | FUNCTION |
|---|---|
| 1 | +12V |
| 2 | +5V |
| 3 | SPK+ |
| 4 | SPK- |
| 5 | GND |
| 6 | GND |
Dimensions
Dimensions
Shipping & Returns
Shipping & Returns
We ship twice a week, usually Tuesdays and Thursdays. Some items are built to order and require a 5 business days turnaround. Thank you for your understanding and your patience.
There is 30 days return policy on undamaged items. Buyer pays for return shipping. See Return policy page for more information.
