Sochor DRX 85 Digital Delay - Cracking Pot Repair

Repairing my vintage '80s Sochor DRX 85 rackmount digital delay with a bad cracking pot problem. The initial issue is fixed, but has the device gone worse from the repair? Looks like I'm in for some reverse engineering now... 0:00 Intro 4:30 The DRX 85 - Front Panel and Disassembly 6:30 A Look Inside and Story Time! 9:30 Cleaning the Pots and Switches 13:30 Pot Cleaning Hack 21:25 Board Cleaning 26:00 Testing 28:15 Come A Gutser... Support me on my Patreon page at https://www.patreon.com/KeritechElectronics Instagram - https://www.instagram.com/KeriSzafir Hackaday - https://hackaday.io/keritech