MiSTerFPGA News – MiSTer Clone, Irem M107, System 18 & More -- RetroRGB

"HDMI CEC ARC/eARC issues If you are having issues using HDMI CEC with a MiSTer FPGA connected to your setup, there are some solutions to help you out. One solution involves cutting out a pin from a chip on the DE10 Nano board (Pin1 on U34). However there is safer solutions..."