Tank Battalion Pinouts GamePlan < Namco, 1981 Parts Solder ----------------------------------------------------------- 14V CT | A | 1 | 14V CT 14V CT | B | 2 | 14V CT 7V AC | C | 3 | 7V AC 7V AC | D | 4 | 7V AC | E | 5 | +7.5VDC [to Coin Cntr] | F | 6 | | H | 7 | Coin Counter Coin 1 | J | 8 | Coin 2 Test | K | 9 | Service P1 Start | L | 10| P2 Start Left | M | 11| Right Shoot | N | 12| | P | 13| | R | 14| Down Gnd | S | 15| Gnd Red | T | 16| Green Blue | U | 17| Sync | V | 18| Audio Out [to pot] 12V AC | W | 19| 12V AC 12V AC | X | 20| 12V AC Up | Y | 21| 24V CT | Z | 22| 24V CT Notes: "CT" is "Center Tap" on the power transformer. If you jumper the diodes to convert this board like Pac-Man or Galaxian to JAMMA, these will become Gnd.