[mythtv-users] Problems tuning PVR 250

Robert myth at robertc.de
Mon Dec 13 13:50:14 UTC 2004

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.


> 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
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