Tornado Baseball (Midway 1976)

Main Board (80-900)
Power Connector (18 pin)

1  +5
2  +5
3  +12
4  +12
5  -5
6  +15
7
8  Earth gnd
9  Earth gnd
10 Reset
11 VLED
12 VLED
13 VIND
14 Com
15 Com
16 Com
17 Vid Ret
18 Comp Vid


Game Board Connector

Component           Circuit
---------           -------
1  AD0              A
2                   B
3                   C
4                   D
5                   E
6                   F
7                   H
8                   J
9  +5               K
10 +12              L
11 -5               M
12 +15              N
13                  P
14 earth gnd        R
15 earth gnd        S
16                  T
17 vled             U
18 vled             V
19 vind             W
20 com              X
21 com              Y
22                  Z
23                  a
24                  b
25                  c
26                  d
27                  e
28                  f
29                  h
30                  j
31                  k
32                  l
33 mx0              m
34 mx1              n
35 mx2              p
36 mx3              r