This is a new development, as I have not changed anything in my setup for several years. Today, when I switched to the Blu-Ray player (using HDMI), the receiver turns off. this happens repeatedly. The other HDMI ports and inputs work fine (i.e. Roku, TV). It is definitely the Blu-Ray player, as I changed it to another HDMI port and the same thing happened on the new HDMI port. Similarly, I switched to another HDMI cable, and the receiver still shut down. Any ideas on how to troubleshoot further? Or just get a new Blu-Ray player? Thanks in advance.