COMPONENT | SOLDER ------------------------------------------- GND | 1 | A | GND GND | 2 | B | GND +5V | 3 | C | +5V +5V | 4 | D | +5V +5V | 5 | E | +5V Coin Meter 2 | 6 | F | 1P.Button Coin Meter 1 | 7 | G | 2P.Button Coin 2 | 8 | H | Coin 1 Service | 9 | I | Test 2P Start |10 | J | 1P.Start 1P.Right |11 | K | 1P.Left 2P.Up |12 | L | 1P.Up 2P.Right |13 | M | 2P.Left 1P.Down |14 | N | GND |15 | O | GND Green |16 | P | Red Sync |17 | Q | Blue Speaker |18 | R | 2P.Down +12V |19 | S | +12V Volume |20 | T | Volume GND |21 | U | GND GND |22 | V | GND