SETUP ADVICE NEEDED TO INTERFACE WITH MOTOROLA DCH 70 CABLE TUNER
My RCA VCR/DVD was working perfectly until we added the Comcast Digital cable box. The VCR has lost all its channels and we cannot access the menu to pre-record shows.
What is the ideal setup configuration
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Re: sETUP ADVICE NEEDED TO INTERFACE WITH MOTOROLA DCH 70...
Take a splitter from the wall and plug it in using a seperate line. You wont get all the digital channels but you can get channels up to 150 to record. Depending on how many av outputs you have on the back of your digital tuner you might be able to take one of those those and plug it into the av input of your DVD recorder. You can get a better picture that way when you record from the cable box vs using coax.
Make sure the splitter is approved for digital cable use. The Radio Shack ones work the best and they are usually the same version of the ones Comcast sells to customers. If you get a brand like they carry at drug stores you will lose picture quality and probably end up with a service call bill as well.
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Not if the unit itself still works; that is, it still plays videotapes and DVDs (with picture and sound).
Check your TV, you may have the wrong input selected for your unit (and/or other connected devices), or the TV is on the wrong channel; hence why you can't see anything from the VCR.
As for the ComCast box, give them a call and ask about it - quote the box number, and ask if it is digital or analogue - if it is the latter, they should replace the box free of charge as part of your cable subscription.
You do not need a new combo unit, unless you want one later which has a digital tuner. All it means is that you have no analogue TV channels in your combo unit.
To answer your question;
Your motorola will connect directly(not through the dvd) to the tv set into one of the input ,(preferably using hdmi or component cables for hd) and the dvd will use a different input,
All you have to do then is switch between which one you want to watch.
Hope this help Cheers
Your dvd recorder only has rca, red white yellow inputs it wont allow you to record in HD, although you can play your comcast box any hd, regular digital through and record. Hook up the comcast box if HD through preferably HDMI if not get one from comcast. The HD box is the only box that allow HDMI, component and regular RCA and some RF out. This way you can play HD to your set but also record through RCA or RF again will not allow for HD record unless its TiVo. Hope this helps
You will have to split the signal before it goes into the digital box. The digital box is not allowing the analog signal to go to your vcr so you will only be able to record what you are watching on the cable box (on channel 4). If you split it, you will get all your analog channels back on your VCR (the way it was before the box was added).
The conversion to digital affects off air reception. Since you have Comcast analog cable, you will not be affected until Comcast decides to discontinue analog cable, which is not likely any time soon. When that day comes, your old VCR will probably grace a landfill anyhow, and you will need a converter box from Comcast.
1st, see if you can get another cable box that offers component as well as RCA outputs on the back. Does your cable box have S Video out and does your toshiba have S Video in? If so, hook up the S Video from cable box to Toshiba. Then hook up R&W audio from Cable Box out to Toshiba In. Set the channel on the cable box to what you want to record. Set Toshiba to record channel 3 or 4, whichever your Toshiba is set on. The cable box controls the channel you are recording. You cannot set the recorder to the channel you want to record. It must be either 3 or 4. Try it. If everything else fails, you have to go cable from wall to cable in on cable box, cable out on cable box to cable in on Toshiba then either cable or RCA out on Toshiba to TV.
Unfortunately you would need a second digital cable tuner to do what you are trying to do. The digital tuner only outputs one channel at a time, selected by that box, so you can only record or watch that one channel at a time.