My display is black when I turn it on
My SR 7300 is black in display but power going in you can her it klick butall black and no sound can ifixit?
A “click” may be the protection relay operating to prevent damage to the receiver because of a fault, although usually the display lights up and shows “protect” when this occurs
Here is the No Power troubleshooting flowchart, taken from the service manual which may be a good place to start. The manual has full schematics and a parts list to help you further"