Connecting USB/AUX Module to Delco Electronics CDR 500 in Opel Vectra B: Step-by-Step Guide
60 Hz Modification Tutorial for Philips CD-i Player CDI 220/20 - retrostuff
DDJ-RX - Headphones control board broken after falling on the floor – Pioneer DJ
Marantz CDR500 Playback drive w/OEM VAM1250 CD Player Optical P/U & control PCB | eBay
Was looking at the service manual for a cheap keyboard im modifying and found this filter. Anyone here know how I could make it adjustable? : r/synthdiy