Wonderboy
Sega 1986

     Parts Side     |    Solder Side
----------------+---+---+----------------
            GND | 1 | A | GND
            GND | 2 | B | GND
            +5v | 3 | C | +5v
            +5v | 4 | D | +5v
   Coin Meter 1 | 5 | E | Coin Meter 2
           +12v | 6 | F | N/C
            N/C | 7 | H | N/C
1P Speed Attack | 8 | J | 2P Speed Attack
        1P Jump | 9 | K | 2P Jump
            N/C | 10| L | N/C
      1P (Down) | 11| M | 2P (Down)
        1P (Up) | 12| N | 2P (Up)
       1P Right | 13| P | 2P Right
        1P Left | 14| R | 2P Left
      Coin Sw 1 | 15| S | 1P Start
      Coin Sw 2 | 16| T | 2P Start
           Test | 17| U | N/C
     Service Sw | 18| V | N/C
      Speaker + | 19| W | Speaker -
      Video Red | 20| X | Video Green
     Video Blue | 21| Y | Video Sync
            GND | 22| Z | GND