We try to make an Apollo talkback indicator work again, the ones that go either “grey” or “barber pole” on the control panel. Things don’t quite go according to plan. Links to schematics: CSM 114 Systems Handbook: https://www.ibiblio.org/apollo/Documents/HSI-481260.pdf CSM Functional Integrated Schematics Block II rev. K: https://www.ibiblio.org/apollo/Documents/CSM%20Functional%20Integrated%20System%20Schematics%20Block%20II%20Revision%20K.pdf Links to more …
From: Retro Roundup