Denon AVR-1705 Receiver "ipod light few minutes" Questions

...iPod) and it works. I am not sure why this is happening. Any advice on diagnostics or why this might be happening? your out put signal circut bord is shorted out. It happens when there is static feed ...

...light comes on sometimes but when I push the button, It turns green, the fan turns on for a second, then off, then on for a second, then off again. It then returns to standby mode on its own. My wife ...