Over the weekend, I noticed the problem - during a baseball game in HD, the score display in the upper left only showed the visitors half of the display. The same problem was visible on the Weather Channel - graphics along the edge were only partly visible.
I tried all the aspect settings - they made the problem worse (including 4:3), as none of them make the source image smaller.
My first thought was that Comcast made some change, but I reviewed my settings in case I accidentally changed something. So, I rebooted the DVR - same problem after.
Current display related settings are:
DVR: Cisco RNG200
Menu>Setup>Screen Position Setup: the arrows are centered on the screen
BTW, the HD Zoom button on the remote has no effect
Menu>Input/Output Assign>Monitor Out>Resolution: Auto
Menu>Source Setup>Picture Adjust>Wide Mode: Auto
Menu>Source Setup>Picture Adjust>Picture Mode: Direct
Menu>Picture>Picture Mode: THX
Menu>Picture>Aspect adjustments>Screen format: Full
Menu>Picture>Aspect adjustments>HD Size: 2
The “FULL” and “2” settings displayed the most picture area
Again, the various aspect settings neither fixed nor improved the problem.
Before I call Comcast (sigh), does anyone have any ideas to try?
You can stretch and zoom SD or HD programs by pressing the # key on the remote control.
Also just to ask how is the box connected to the tv? There have been a couple of other postings I believe on this same issue with the same box. It may be the signal coding from the broadcaster not getting decoded correctly.
None of the Solutions steps in the "Solutions" area worked for me. I have a Sony 42" and have been through every setup option for the cable box and the TV. I've looked at solving this off and on over the last 6 months.