Solder Side 

Pin

Pin

Component Side

Ground

A

1

Ground

Ground

B

2

Ground

+5 VDC

C

3

+5 VDC

+5 VDC

D

4

+5 VDC

-5 VDC

E

5

-5 VDC

+12 VDC

F

6

+12 VDC

 KEY

H

7

KEY

Coin Counter 2

J

8

Coin Counter 1

Lockout2

K

9

Lockout1

Speaker -

L

10

Speaker +

(Optional P2 ? Fire Button 6)

M

11

(Optional P1 ? Fire Button 6)

Video ? Green

N

12

Video ? Red

Video ? Vertical Sync

P

13

Video ? Blue

Service Switch

R

14

Video ? Ground

 Tilt Switch

S

15

Test Switch

Coin 2

T

16

Coin 1

P2 ? Start

U

17

P1 ? Start

P2 ? Up

V

18

P1 ? Up

P2 ? Down

W

19

P1 ? Down

P2 ? Left

X

20

P1 ? Left

P2 ? Right

Y

21

P1 - Right

P2 ? Fire Button 1

Z

22

P1 ? Fire Button 1

P2 ? Fire Button 2

aa

23

P1 ? Fire Button 2

P2 ? Fire Button 3

bb

24

P1 ? Fire Button 3

P2 ? Fire Button 4

cc

25

P1 ? Fire Button 4

(Optional P2 ? Fire Button 5)

dd

26

(Optional P1 ? Fire Button 5)

 Ground

ee

27

 Ground