The second generation professional and authoring CD-i players of the Philips CDI60x series feature a DE-9 RGB port. To improve the video quality of my CDI605T/20 and also to prepare for future experiments, I built a prototype RGB SCART adapter. The needed pinout is documented in the 605 and 605T user manuals on ICDIA.

After the first tests were successful, I made this schematic for an adapter with a SCART socket (output) for both RGB video and audio: