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Electrocoin

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The Electrocoin standard was introduced before Jamma (Japanese Arcade Machine Manufacturers Association) to allow various games to be connected to generic cabinets such as Silverline and Goliaths. They use the same 28 way connector, but the designations are different. Pins 16 and 18 were 3 player and 4 player start buttons, and were superseded when 3 button games became popular. Pins 14 and 20 were free, but were used by us to allow for easy servicing of games.

ELECTROCOIN STANDARD CONNECTOR CHART
...........................Underside.......................................................Top..............................
GroundA1Ground
GroundB2Ground
+5VC3+5V
+5VD4+5V
+12VE5+12V
-5VF6-5V
Not usedH7Not used
-12VJ8-12V
KeywayK9Keyway
Speaker 1L10Meter 1
Speaker 1M11Meter 2
Speaker 2N12Credit Board Meter
Player 2 UpP13Player 1 Up
Speaker 2R14Test
Player 2 RightS15Player 1 Right
Player 2 Button 1T16Player 2 Button 3
Player 2U17Player 1 Down
Player 2 Button 2V18Player 1 Button 3
Player 2 LeftW19Player 1 Left
(Horizontal Sync)X20Service
Player 2 StartY21Player 1 Start
Video RedZ22Player 1 Button 1
Video GreenAa23Player 1 Button 2
Video BlueAb24Coin 1
Video SyncAc25Coin 2
GroundAd26Ground
GroundAe27Ground
GroundAf28Ground


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