Amazon.com: Set of RGBS VGA SCART to YPBPR Component Converter 3.5 x 3.5 x 1.4 Inches Video Adapter Fast Conversion of Game Consoles, with Type-c Data Cable and Package of Kraft Paper
Video cable schematics
Sega Dreamcast VGA RCA Audio Cable Lead Adapter Adaptor Scart HDMI DVI HD DC Mod 719578194300 | eBay