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Arcade Parts
MilSpec TTL
$1.95
(tax excl.)
SNM7420J
Dual 4-Input NAND Gate
14 Pin DIP Package
Dual marked Mil # 725000-212
Programmed Eproms
$39.95
(tax excl.)
Set of six roms for Midway Ms.Pac board. Complete set includes 5E, 5F, 6E, 6F, 6H, 6J. Your choice of 6F Fast or regular speed chip, specify when ordering.
MilSpec TTL
$2.81
(tax excl.)
54LS257AJ
3-State Quad 2-Data Selector / Multiplexer
16 Pin DIP Package
Dual Marked Mil # 725000-300
Sound Amplifiers
$17.89
(tax excl.)
LM379S
This sound amp was used on many Gottlieb games such as Q*Bert, Mad Planets and Reactor.
Also used on Gottlieb system 80 pinball.
IC has an integral metal rail used to mount a heatsink.
MilSpec TTL
$3.22
(tax excl.)
SN54LS51J
2-Wide 2-Input and 2-Wide 3-Input AND-OR-Invert Gates
14 Pin Ceramic DIP Package
Potentiometers
$2.68
(tax excl.)
10k multi-turn pot
Used on Q*bert sound board and other Gottlieb sound boards.
R6 & R13.
MilSpec TTL
$1.10
(tax excl.)
SN54ALS11AJ
Triple 3-Input Positive AND-Gates
14 Pin Ceramic DIP Package
Q*Bert
$1.95
(tax excl.)
Q*Bert sound amp heatsink.
This will fit any Gottlieb sound board that uses the LM379S amp chip.
Includes heatsink and mounting screws.
MilSpec TTL
$2.81
(tax excl.)
SN54LS38J
Quad 2-Input Positive-NAND Buffers with open collector outputs
14 Pin Ceramic DIP Package
Resistors & Pots
$1.69
(tax excl.)
200Ω 5 Watt Axial Resistor
Used on QBert power supply location R23.
Processors & 40 pin ICs
$6.95
(tax excl.)
Rockwell R6502A 8-Bit Microprocessor CPU
Used on many arcade boards. 40 Pin DIP Package
Very hard to find NOS part, while supply lasts.