This video shows the teardown, the reverse engineering and test of an EPR indicator used in a simulator for an airliner Airbus A300-600.
00:00 - Intro
01:24 - Teardown - Electromechanical assembly
03:48 - Electronic boards
08:24 - Schematic diagram from reverse engineering
09:31 - EPR test
About EPR:
https://skybrary.aero/articles/engine...