CDC Cellular Repair Services, LLC - Dirtbag move, but it worked. My cousin's Onkyo TX-NR609 AV receiver. These are known for crappy HDMI boards. The chip you see is the culprit, the
Onkyo TX-NR609 constant relay clicking when plugged in. : r/ElectronicsRepair
Onkyo TX NR636 hdmi board problem - LONG TIME SIGNAL ENGAGING, CONSTANT SWITCHING | AVForums
Onkyo TX NR636 hdmi board problem - LONG TIME SIGNAL ENGAGING, CONSTANT SWITCHING | AVForums
Onkyo Amplifier Parts & Components for sale | eBay
Alpengeist's TV (and other stuff) Repair Blog: Onkyo TX-NR 5009 - defect main relay STD-S-109DMR2 - switching itself off - no sound - no image