Le labo de Michel | LDM #296: Bendix CPA-24-B1 Nav Computer - Part 2: Reverse Engineering and tests @lelabodemichel5162 | Uploaded 1 year ago | Updated 9 minutes ago
This video is the second and last episode concerning the Bendix CPA-24-B1 navigation computer. On this episode you will see the complete schematic diagrams with explanations of this device, followed by repairs and several tests.

00:00 - Intro
01:49 - Block diagram
05:47 - Power supply
07:01 - 3-phase variable frequency generator
08:05 - Servo Amplifier
08:43 - Pictures
08:53 - Repair #1: Short capacitor
09:29 - Repair #2: Servo Motor stuck
12:16 - Heading Setting Test
13:50 - Speed & Heading Test
16:37 - AC Motor Signals

Useful links:

LDM #294: Navigation computer and Ball Resolver
youtu.be/SKPPBgBhxNs

LDM #295: Boeing 707 Bendix CPA-24-B1 Nav Computer - Part 1: Teardown
youtu.be/kuwAr-dh8yQ