I have Dennon 3311C1 receiver and epson 8700ub projector since 2 years. Today after watching divisional playoffs . i moved my receiver to connect new roku i bought but suddenly I could not get picture on my 120 inch screen from my cable on blue ray or any source. The display on screen says
"No display signal " but sound coming through home theatre system but with out picture. Can someone help me what is the cause of it and how to resolve it.