I have a Pioneer PRO-930D we bought in spring of 2006 that apparently now has TWO dead HDMI ports (or frozen, anyway).
Input 1 has a Tivo Series 3 DVR, and Input 3 had a Denon 5910 connected to it (both HDMI inputs enabled, of course). First, the Denon started getting wobbly on Input 3, taking forever to show a picture, then the port stopped working altogether. We took the Denon in for service to Tweeter, and they found a bad HDMI board. They've since sent the Denon 5910 in to be swapped at the manufacturer.
While waiting to get the Denon back, I picked up an Oppo 980-H and tried HDMI on Input 3, with no luck (component works fine). However, when trying to trouble-shoot the Oppo's HDMI by swapping the inputs (with no luck), I then hooked the TIVO Series 3 back to Input 1 HDMI. But now, that port doesn't work at ALL. Which is funny because when I was troubleshooting the Denon 5910, I swapped the same way and had no problem getting to the TIVO to work again on Input 1 back in July! It worked then, but NOT now.
I've tried unplugging both devices and rebooting, leaving the TV on with no HDMI (but TIVO running), then reconnecting cables and putting the set on, with no luck at all. Series 3 component works fine on either Input 1 or 3 (having the HDMI temporarily disabled), as does the Oppo 980-H.
I called up Pioneer's tech line today and they had little advice except to take the MR in for service, which means not having a TV - which is grounds for divorce in our house. I can live with the TIVO at component, since it upconverts, but without HDMI, the Denon 5910 will be an expensive paperweight relative to its value. I have a hard time believing that one-time swapping of devices will lock up HDMI. I even tried swapping different cables (Monster cables and Better cables), with no change.
Is HDMI handshake so fragile, or the inputs so fragile, that simply swapping a device can "freak out" the media receiver enough to permanently lock it up? Or is there some way I "reboot" the Pro-930HD's MR and free up the ports? I'm really lost this time. Any help would be GREATLY appreciated.