When I've had a similar problem it was due to a bad coax cable (actually whose shielding - about 2" of it - had been stripped from it by a curious critter outside the house)
>From what I understand from a friend of mine at a local TV station.. it doesn't take much to corrupt or introduce noise into a signal.. and by chance.. 69-70 seem to be an issue (or at least the most sensitive to noise) according to a tech from Comcast (who found the critter damage). I would start by making a connection directly from your source feed (without any splitters & amps (these 2 can be especially nasty), splices.. etc with a KNOWN GOOD cable. And see if the problem changes/goes away. If it does.. you know the solution.. if it doesn't.. well.. Got me.. Get a Comcast Tech out there and see if they can find something before your house. ;) - Michael > From: <[EMAIL PROTECTED]> > Reply-To: Discussion about mythtv <[email protected]> > Date: Sat, 02 Jul 2005 16:15:17 +0000 > To: <[email protected]> > Subject: [mythtv-users] a few fuzzy channels > > Almost there!! > > I've got a WinTV-PVR350, using kernel 2.6.9 vanilla, Myth 0.18-1, > ivtv-0.2.0-rc3j. Everything is up and running on my dual screen setup. Yay! > Here's the problem. . . > > I've got a couple of fuzzy channels (ch 69 and 70). Unfortunately those are > channels I like and may want to record stuff on. My cable is split coming > into the house, I've got a signal booster, and then another split, out to TV > and WinTV card (same type of cable). When I watch those channels on regular > TV the picture is clear, but when I watch them through myth, they're fuzzy. > > I've tried using us-cable and us-cable-hrc(I think that's what it's called), > no love. I did a bit of google searching and saw that it may be caused by > noise coming from other pci cards (sound) or my video card (NVidia GeForce > FX5200 AGP). I've now removed my sound card (don't need it) and placed the > WinTV card as far as possible away from my video card. > > The gods of google also mentioned that it may be a frequency issue within > Myth, but I have absolutely no idea how to change those by hand. > > Has anyone else had this type of problem, or know how to fix it? > _______________________________________________ > mythtv-users mailing list > [email protected] > http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
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