I cannot see why it doesn't work. But let me suggest another way instead; how about using a splitter. One cable to the TV-QAM tuner, the other goes to the dvd/vcr and the component connected as it is now. In my thinking, this should also work..and you will get a few more channels that you can't get with the dvd/vcr.
Tell me something..can you play a dvd ok, and can you play a video tape ok?
I have an old Panasonic DVD/VHS recorder that I connected to my new Samsung LED LCD HDTV. I switched out the old composite cables to new component (since no HDMI on DVD recorder). I have standard cable TV, no box, no HD and want to record TV shows as well as play DVD movies.
My set-up does not work, and I am not sure if its how I set things up, if its old cables, remote not programmed , or if its my old DVD recorder. I can watch TV channels. I can watch DVD movies. I can even record a TV show. I just cannot record a TV show while watching another TV channel. (like I used to on my old analog TV). What I have to work with is not complicated: TV cable goes through DVD recorder first, then another cable connects from DVD to TV, both are connected with component cables.
I'm sure this is a simple error, I just can't see it.... Any ideas for me? thanks.