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Wizard of Wor pinouts
Midway, 1981
 
There are nine boards in the Wizard of Wor boardset:
Qty                                                Position on
                                                   Motherboard
1 *Game Bd                 A084-90708-A961             J6
1 *Memory Bd (ROM/RAM)     A082-91397-A000             J5
1  Pattern Bd              A082-91348-0000             J4
1  CPU Bd (C.P.U.)         A082-91354-F000             J3
2  RAM Card                A082-91356-C000           J2 & J1
 
1  Comm. Mother Bd         A082-90006-B/C000
1  RGB Interface Board     A082-91363-A/B000
1 *Audio Amp #2            A084-90907-A961
 
With the exception of those boards marked with an asterisk (*), the rest of
the boards are used by at least two other Midway games -- Gorf and Space Zap.
All three of these games -- Space Zap, Wizard of Wor, and Gorf -- also share
the same power supply (A082-90411-A000).
 
Unfortunately, each of these games uses completely different pinouts on the
main Game board.  Also, Wizard of Wor uses a different amp board (the Audio
Amp #2 vs. the regular Audio Amp board) because it uses three speakers.  Gorf
and Space Zap can only use 2 speakers.  The power supply outputs from the
motherboard are the same for all these games, which means if you have the
power supply and the motherboard, you have all the power requirements for any
one of these games taken care of.
 
The "Position on Motherboard" column refers to the fact that these boards
plug into a common motherboard much like ISA/EISA/VESA/PCI cards plug into
PC card expansion slots.
 
Legend:
PS = Power Supply
IB = RGB Interface Board
AA = Audio Amp Board
GB = Game Board
 
 
Motherboard (9-pos, 0.156") (outputs & inputs from power supply)
Pin | Definition
------------------
  1 | +5V
  2 | +5V
  3 | +12V
  4 | !Reset
  5 | -5V
  6 | Key
  7 | Gnd
  8 | Gnd
  9 | -Sense (Gnd)
 
 
P1 CPU Board (24-pos, 0.100")
Pin | Definition
------------------
  1 | P2 Up
  2 | P2 Down
  3 | P2 Left
  4 | P2 Right
  5 | P2 Move
  6 | P2 Fire
  7 | Not Used
  8 | P1 Up
  9 | P1 Down
 10 | P1 Left
 11 | P1 Right
 12 | P1 Move
 13 | P1 Fire
 14 | Gnd (common return for all buttons & controls)
 15 | Key
 16 | Coin #1
 17 | Coin #2
 18 | Not Used
 19 | Test Sw. (in test mode when switch closed, else game mode)
 20 | Tilt
 21 | 1P Select
 22 | 2P Select
 23 | Gnd (common return for Coin, Tilt, and Test Sw.)
 24 | Not Used
 
 
P2 CPU Board (23-pos, 0.100")
Pin | Definition
------------------
  1 | Audio In #3 [to AA-4]
  2 | Audio In #1 [to AA-2]
  3 | Audio In #2 [to AA-3]
  4 | Audio Common [from AA-6]
  5 | Key
  6 | Coin Meter #1
  7 | Coin Meter #2
  8 | Not Used
  9 | Gnd [to PS]
 10 | Not Used
 11 | Key
 12 | Not Used
 13 | Not Used
 14 | +12V [to IB-2]
 15 | -5V [to IB-4]
 16 | +5V [to IB-5]
 17 | Gnd [from IB-1]
 18 | Blue [to IB-7]
 19 | Gnd [to IB-8]
 20 | Red [to IB-9]
 21 | Gnd [to IB-10]
 22 | Video (Green + -Sync?) [to IB-11]
 23 | Gnd [to IB-12]
 
 
RGB Interface Board (12-pos, 0.100"?)
(to & from Game Board)
Pin | Definition
------------------
  1 | Gnd
  2 | +12V
  3 | +12V
  4 | -5V
  5 | +5V
  6 | Key
  7 | Blue
  8 | Gnd
  9 | Red
 10 | Gnd
 11 | Video (Green + -Sync?)
 12 | Gnd
 
Note: Pins 7 & 8, 9 & 10, and 11 & 12 are labeled as "twisted pair" on the
schematic for the RGB Interface Board.
 
 
RGB Interface Board (9-pos, 0.100"?)
(to & from Monitor)
Pin | Definition
------------------
  1 | Gnd [to monitor RGB Gnd]
  2 | Red
  3 | Key
  4 | Gnd
  5 | Green
  6 | Gnd
  7 | Blue
  8 | Gnd [to monitor Sync Gnd]
  9 | -Sync
 
Note: Pins 1 & 2, 4 & 5, 6 & 7, and 8 & 9 are labeled "twisted pair" on the
schematic for the RGB Interface Board.
 
 
Audio Amp #2 Board (13-pos, 0.100"?)
(to & from Game Board)
Pin | Definition
------------------
  1 | Audio Return (+16V Gnd) [to PS]
  2 | Audio In #1
  3 | Audio In #2
  4 | Audio In #3
  5 | Key
  6 | Audio Common (common return from speakers)
  7 | +16V [from PS]
  8 | Speaker #1
  9 | Speaker #1
 10 | Speaker #2
 11 | Speaker #2
 12 | Speaker #3
 13 | Speaker #3
 
 
Here is most of the information for the power supply pinouts on the game
side of the power supply (A082-90411-0000).  A question mark indicates
information I was not absolutely sure about.  This power supply uses almost
exactly the same outputs and inputs as the one in Super Pac-Man (A082-
90421-0000).
 
Power Supply (19-pos?)
1   +V Audio (~13V @ 1.5A)
2   -5V @ 0.45A
3   +V Independent [~10V @ 3.5A, to coin door and control lights?]
4   !Reset
5   V.Batt?
6   Key
7   +12V @ 1.45A
8   +12V @ 1.45A
9   -Sense
10  AC Sync?
11  -V Audio [Gnd for Audio circuit]
12  -V Independent [Gnd, control lights return?]
13  Gnd
14  Gnd
15  Gnd
16  Gnd
17  Coin Counter Drivers (~8V, unreg +5V) [from coin meter]
18  +5V @ 3A
19  +5V @ 2A regulated for logic
 
Feel free to correct any misinformation you find in this pinout.  If you
let me know (holcomb@halcyon.com), I will correct the copy of this pinout
located on wiretap.spies.com.
 
--Dave Holcomb

 


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