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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
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.
Other ICs
$3.75
(tax excl.)
D8284 / UPB8284AD / MBL8284A
Clock generator and driver for 8086 & 8088 Processors
This can be found in the top right corner of a Q*Bert PCB. It is commonly damaged due to improper pcb storage.
18 Pin DIP Package
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