Hitachi 60CX29B TV "comcast vcr sound picture" Questions

comcast & go thru the VCR. I tried bypassing the VCR & also tried playing a tape thru the VCR during the blackouts. The VCR tape wouldn't show up(or the sound) on the screen either. The quality of the

...comcast dta. i can see what the dta is showing when in twin view or on the preview screen for the favorites menu, but when selecting the channel it comes up blank with a ''no signal'' ...

...Comcast receiver to the A/V receiver. This TV is about two years old but ran day and night. (I am grateful for the peace and quiet but the wife and kids are getting on my case...) If you put the back ...