maintenance-manual · English
Servo and Handset Attenuators (EAI 580 Console Manual, Chapter 5)
Chapter 5 of the EAI 580 analog computer console manual, covering the servo and handset attenuator subsystem. A fully expanded 580 provides 70 motor-driven servo potentiometers (5K, ±1.0 mV setting error) addressed and set via a DAC keyboard, plus 10 manually set handset pots. The chapter details theory of operation, circuit descriptions for the 0.6.0677 Servo Amplifier Card and associated cards, maintenance and troubleshooting procedures, replaceable parts lists, and a complete set of schematics for all subsystem cards.
servo attenuatorspotentiometer settingDAC keyboardcircuit maintenance