Description
Replacement Gottlieb® System 1 power supply board
New direct replacement power supply for Gottlieb System 1 pinball machines.
Designed with cool, reliable 5 volt switching style and 12 volt regulator integrated circuitry.
Includes spacers, mounting screws and instructions
Features
Extensive use of power and ground planes for reduced electrical noise generation and better heat dissipation. Easy access to all components by eliminating large heat sink.
Screw terminal connection for optional durable mechanical connections to ground.
Same physical size and mounting hole pattern for easy installation.
Through-hole construction for field service.
Specifications:
Modern switching power supply for the 5 volt section provides up to 5 amps of power (current limited to 4 amps for safety purposes).
Soft-start power-up and built in short circuit protection.
Efficient MOSFET based switching supply with a >95% *measured* efficiency when providing 3.6 amps. This means that when providing 3.6 amps to the 5 volt load – regulator is draws less than 1.6 amps from the transformer.
Measured values:
Input power = 12 volts x 1.55 Amps = 18.6 watts
Output power = 5 volts x 3.6 Amps = 18 watts
Efficiency = 18 / 18.6 = 96.7%
High efficiency design results in extended lifespan of transformer, bridge rectifier and main filter capacitor. Includes output voltage adjustment to overcome cabling voltage loss.
Less heat is generated by this supply under full load compared to the hot-plate design of the original power supply. The old supply dissipated 25.2 watts of power (based on 3.6 amp load). This translates to a lot of wasted power – i.e. heat. This new supply dissipates a mere 0.6 watts of power based on the same 3.6 amp load.
Fits the following Gottlieb® System 1 Solid State game titles;
Asteroid Annie
Buck Rogers
Charlie’s Angels
Cleopatra
Close Encounters
Count Down
Dragon
Genie
Hulk
Joker Poker
Pinball Pool
Roller Disco
Sinbad
Solar Ride
Torch
Totem
Gottlieb Reference – B-18396
Replaces – B-18396, GPS002
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