Dragon's Lair / Space Ace
Coin Door Pinout
-------------------------

    /\/\/\/\/\/\/\/\
    |              |
    |  1   4   7   |
    |              |
    |              |
    |  2   5   8   |
    |              |
    |              |
    |  3   6   9   |
    |              |
    ----------------

1.  Coin 1 - LIVE
2.  (Not Used)
3.  Coins 1 & 2 - GROUND
4.  Coin 2 - LIVE
5.  (Not Used)
6.  50 cent lamps - GROUND
7.  (Not Used)
8.  (Not Used)
9.  50 cent lamps - LIVE (6 Volts)