Update your 3310 to the latest firmware if you don't have it already. There also might be an underlying issue with the 3310 regarding DVI to HDMI.

Maybe try unplugging the Tivo and the T.V from the electrical outlet, wait a minute, re-connect everything and try again and see if it will sync.

I’m armed and I’m drinking. You don’t want to listen to advice from me, amigo.

-Max Payne