Home Page
[My Collection]
[On The Way]
[Come 'n Gones]

[What's New]

[My For Sale]

[My Wanted Page]

[Rick Cosh's 4 Sale]

[Atari 8-bit 4 Sale]

game info now!
Home Midway Ms. Pac-Man (1981) Midway Pac-Man (1980)
Atari Centipede (1980) Atari Millipede (1982) Stern Turtles (1981)
Atari Gran Trak 10 (1974) Atari Pole Position (1982) Page Coming Soon Genco's South Pacific Pinball (1949)
Nintendo Donkey Kong Junior (1982) Centuri Gyruss (1983) Universal Mr. Do! (1982)
Atari SpaceRiders Pinball (1977)

 guest book

Sign it  
View it  

Hit Counter


last updated May 23, 2009 11:13 PM

current Calgary Weather



Mr. Do!


PCB Pinouts

Solder Side





Component Side

gnd (audio amp) black A      1

B      2

black grd (power supply)
gnd (audio amp) black black gnd (1player & select switch)
    C      3

D      4

orange +5v (power supply)
    orange +5v (coin counter)
    E 5 orange vertical sync
    F 6 brown horizontal sync
    H 7    
+12v (audio amp?) red J       8 red +12v (power supply)
    K 9    
audio 1? or/pur L 10    
audio 2? or/grn M 11    
slam switch green N 12    
2 player up blue P 13 blue 1 player up
    R 14    
2 player right brown S 15 brown 1 player right
    T 16    
2 player down yellow U 17 yellow 1 player down
    V 18    
2 player left purple W 19 purple 1 player left
    X 20    
2 player select green Y 21 orange 1 player select
video red red Z 22 red 1 player throw
video green green a 23 red 2 player throw
video blue blue b 24 yellow left coin switch/counter
composite sync white c 25 brown right coin switch/counter
gnd black

  d       26

  e        27
f        28


all pages copyright 1998 - 2009 by , however...
all brand names and "borrowed" images are copyright of their respective creators.
Please don't get upset if I've borrowed one or more of these images from you. 
The majority of them are now my own now, and I am constantly replacing those that are not.
If there is a problem with a borrowed image, just email me and I will remove it.
In all pages of this website, it is acknowledged and respected that...(click here for game copyright info)