More likely an impedance mismatch problem, isn't it? I'm not an RF person, but it would seem that even if:
>When a VCR is turned off, the RF signal from your cable is switched >directly to the output RF cable that goes to your TV cable input. Therefore >as long as the coax cables are OK, that this "switching", and routing, introduces an opportunity for impedance mismatch, which would clearly degrade the signal to the receiver. Who knows how much care the manufacturer does or does not take to avoid this. Although, using top grade cable on both ends may limit this to that switching - as opposed to adding to it. Stephen At 03:04 PM 1/10/00 , Tony J. O'Hara wrote: > >Regarding your new VCR problems! The one thing you said that makes the >least "technical sense" is that "This was, of course, true even when the >VCR was turned off." >When a VCR is turned off, the RF signal from your cable is switched >directly to the output RF cable that goes to your TV cable input. Therefore >as long as the coax cables are OK, you should see the same results, >regarding picture quality etc., that you had before you installed the new >VCR. >I would bet that you had/have a bad cable/connector problem. I can't >imagine any modern VCR being that susceptible to emissions from what-your >TV? >What did a tape playback from the VCR look like? If Ok, then the cable to >TV is OK and the TV & VCR output are on the same channel! >In a "previous life" I worked on TV & VCR systems so if you still need >help, call or e-mail me! >Regards >Tony >Colorado >303-948-2577 > >--------- >This message is coming from the emc-pstc discussion list. >To cancel your subscription, send mail to [email protected] >with the single line: "unsubscribe emc-pstc" (without the >quotes). For help, send mail to [email protected], >[email protected], [email protected], or >[email protected] (the list administrators).
