I have two problems with the input selection menus on my 57734 DLP.
1) The *734s allow the inputs to be assigned names from the setup menu. For most of the inputs the options are "Cable Box, Camcorder, DVD, DVD2, DVR, Game, HD Disc, Satellite, VCR, PC, On/Off (ANT 1/ ANT 2 only) and Off (HDMI only).
For some reason, my HDMI-1 input only allows the choices of "DVD" and "Off".
I found that if there is active video connected to HDMI-1 it will not change the name at all. When I unplug the input, I can change between "DVD" and "Off".
Does anybody know how to work around this? I would like to connect my DVR to HDMI-1 and give it the right label.
2) Input-3 is unavailable. The connections are available on the front of the TV and are labeled "Input-3". On the Setup screen for assigning inputs, Input 3 is grayed out. I can't select it or change it. The manual mentions nothing about inputs being unavailable. What am I missing?