LDM #132: Boeing 737 vertical gyroscope - Part 3: Tests

This video shows the tests performed on this vertical gyro model 313. Main signals of J1 connector: 1-44: 115VAC 400Hz 4-5-6: Pitch synchro outputs 7-8-9: Roll synchro outputs Reference of synchros is the 115VAC power supply How to connect this gyro to a Smiths Flight Director Horizon H6 (roll is inverted using this indicator): 4 - J 5 - H 6 - c 7 - M 8 - L 9 - f