My Mom recently was upgraded to HR54-200 as an MPEG swap. The receiver box and main TV are located in the living room. In years past, my brother had run a coax through the wall to a TV in the bedroom and she could mirror the signal to that TV. After the technician left, we found the coax cables laying loose and no signal on the TV in the bedroom. My question is how can I reconnect these so that we can mirror that signal? (It doesn't matter if the TV in the living has to stay turned on or not) So far I've tried, HDMI cable from box to HDMI splitter with one HDMI to LR TV and the other to HDMI to video adapter. Then AV cables from video adapter to GE Pro RF Modulator with S-Video with the channel switch set to 3 (like the old TV) and then the out coax to the wall coax. (There are 3 coaxes in the wall...one I think to the old antenna that isn't there anymore). That modulator had a built-in coax on one side for in. I tried every combination of coax to wall but all were no signal on the bedroom TV. There is something on the back of the HR54 that says coax but looks more like av (it's colored red and I'm wondering if this could be a digital coax that I could use and maybe hook up a digital coax to regular coax cable and attach it to the coax in the wall?) Is there any way for me to fix this for my Mom? I'm not very knowledgeable but I can read and follow instructions and would do anything to get this convenience back for my Mom.