[mythtv-users] Problems tuning PVR 250

Brad brad at bradandkim.net
Mon Dec 13 14:18:38 UTC 2004


On Mon, 2004-12-13 at 14:50 +0100, Robert Copelan wrote:
> Brad,
> Try tuning to channnel 10 and see if you get channel 18.  My PVR250,
> purchased 2 weeks ago, has a TYPE 50 tuner.  That one seems to not yet be
> fully supported.  Also, I have found that by plugging in frequencies
> directly it will receive correctly. (ptune.pl --frequency xxxxxx) It seems
> that the frequencies are all non-standard though.  This is probably due to
> some differently calculated parameters for this new tuner.
> 
> Tonight, I'll send you a script to find working freqs and a couple of the
> ones I found on my system.
> 
> There was a posting last week about a patch to tune.c (kernel program)
> that might help.
> 
> 
> Robert
> 
> 
> 
> > I am running the coax out from a digital cable box into the tuner of a
> > PVR 250 and I can't get it tuned in at all.  I have been running
> > `/usr/lib/ivtv/ptune-ui.pl &  mplayer /dev/video0` and trying all
> > different combinations.  Things definitely change and range anywhere
> > from a black screen to a screen with wavy colors, to regular old snow.
> > The tuner
> > shows up as a type 2 and I added that option to modprobe.conf:
> >
> > # ivtv modules setup
> > alias char-major-81 videodev
> > alias char-major-81-0 ivtv
> > options tuner type=2
> >
> > Any help is greatly appreciated.
> >
> > Brad
> >

Robert,

Ok, I will definitely try that tonight and see what happens.  I know I
have tried 3 and 4 thinking the signal should be one of the two, and
have tried many other channels, but I don't recall trying 10.  I
appreciate the script and will check out that patch to tune.c.

Thanks,

Brad



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