Onkyo TX-NR509 Powers ON but HDMI inputs not working after testing. Likely need a new HDMI board. for Sale in Pembroke Pines, FL - OfferUp
How To Fix the Onkyo TX SR606 & SR607 HDMI Input Problem - YouTube
Onkyo Europe - Today we take a close look at our TX-NR696, which, despite its familiar appearance, comes with significant internal improvements that reduce noise, increase drive power and improve S/N performance.
Resistors, capacitors and other electronic components from a Computer Mainboard Stock Photo - Alamy