AV Pinout (NEC PC Engine Duo-R) Updated Apr 18, 2026 · 1 min read · Support · 0 viewing 🔥 Most active page right now Previous Power Up Basics (NEC PC Engine Duo-R) The PC Engine Duo-R has a DC 9V (4.8mm x 1.7mm) center positive power supply. To power from the benc... Next RGB Video Output (NEC PC Engine Duo-R) It is common to install an 8-DIN Mega Drive 1 / Genesis 1 AV port on the PC Engine / Duo / Duo-R and...