Well I came home turned on the receiver and nothing came on the display, so I assumed i had it on pure audio mode turns out it wasn't that. So i found the sr805 thread that shows how to attempt to repair your 805 and i assumed the 804 would be close but its not. I did do some searching on here and Google and I honestly did not find anything as close as the 805 thread. If anyone has any advice I would greatly appreciate it .
Thank you very much