Pinouts for NAMCO Gee Bee (1978):
Typed up by
Andy Welburn - 13th April 2000
This info was obtained from an original Gee Bee
This manual was entirely in Japanese. Not being
fluent in Kanji, i couldn't say precisely what each
pin function is. However, they use numbers like
everyone else, and can still draw accurate cabinet
wiring diagrams, this means that the most important
bits of wiring up a board can be accomplished.
What i call 'optional' pinouts for controls and
coinage are guessed at here, go careful, for the most
part i amd confident they are correct.
44-pin edge connector
+16v AC CT | 1 | A | +16v AC CT
+16v AC CT | 2 | B | +16v AC CT
+16v AC | 3 | C | +16v AC
+16v AC | 4 | D | +16v AC
N/C | 5 | E | N/C
+8v | 6 | F | +8v
N/C | 7 | H | N/C
N/C | 8 | J | Vcc POT
CONTROL POT | 9 | K | N/C
N/C | 10 | L | N/C
FIRE BUTTON | 11 | M | COIN 1?
1P START | 12 | N | 2P START
COIN 2? | 13 | P | N/C
CP SW GND | 14 | R | VIDEO?
AUDIO | 15 | S | VIDEO GND?
2P START LAMP | 16 | T | 1P START LAMP
COIN COUNTER? | 17 | U | FIRE BUTTON LAMP
N/C | 18 | V | LOCKOUT COIL
24v AC | 19 | W | 24v AC
24v AC | 20 | X | 24v AC
24v AC CT | 21 | Y | 24v AC CT
AUDIO GND | 22 | Z | COIN SW GND
All info supplied above is accurate to my knowledge, and i accept
full responsibilty if your incompetance results in a blown
All enquiries about sueing me should be forwarded to the above email
address where i will invite you to kiss my big fat juicy grits.