From: veck@pshrink.chi.il.us (Chelloveck) Gyruss Pinouts These are from the manual for my upright. I'm reasonably sure that they don't match the actual pinouts on my board. For instance, my board is stereo but all through the manual (including these pinouts) it's indicated to be monaural. Parts Side | Solder Side --------------|-------------- +12V | 1 | A | -5V Speaker | 2 | B | Speaker | 3 | C | 2P Speed ("Speed" is actually "Fire"?) 2P Right | 4 | D | 2P Left 2P Start | 5 | E | 1P Start 2P Up | 6 | F | | 7 | H | 1P Speed 1P Left | 8 | J | 1P Right 2P Down | 9 | K | 1P Up | 10 | L | Coin | 11 | M | 1P Down | 12 | N | Blue | 13 | P | Green Sync | 14 | R | Red | 15 | S | GND | 16 | T | GND GND | 17 | U | GND +5V | 18 | V | +5V