Swemmer Electronics Universal System 80, 80A and 80B CPU board. This is listed as the A1 board in reference materials.
Reference:
PB00-D100-SW
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Stainless steel side molding for Gottlieb� System 80 pinball machine games...
Stainless steel side molding for Gottlieb� System 80 pinball machine games...
Information card Gottlieb System 80B Bookkeeping
Switch Adjustment Chart Gottlieb System 80B
Gottlieb® System 80B pinball machine A2 power supply board.
Power supply Gottlieb® System 1 B-18396
