On Thursday 30 March 2006 22:50, Berant Lemmenes wrote:
> Hello all,
>
> I've recently setup a mythv system with a single PVR-500, taking
> input from a Comcast basic (non-digital) cable feed.
>
> The issue I'm having is that the first tuner on the PVR-500 (tuner0)
> will automatically mute it's self when tuning to certain channels.
> Once this happens I can't un-mute the card (via ivtvctl -y mute=0 -d
> /dev/video0), and have to remove the ivtv module and reload it.
>
> I can it's not just the lower frequency channels ( which I under
> stand overlap with the FM radio range) either, it will mute when
> tuning to us-cable channel 8 (181.250 MHz), as well as channel 62
> (451.250 MHz) but works fine on 33 (277.250 MHz).
>
> While tuner1 works great on all the channels.
>
> Visually there is not much of a difference as far as quality (other
> than some ghosting on channel 8), and the audio sounds perfect when
> listening on tuner1.
>
> #ivtvctl -d /dev/video0 --log-status while muted
> ivtv0: ================= START STATUS CARD #0 =================
> cx25840 2-0044: Video signal: present
> cx25840 2-0044: Detected format: NTSC-M
> cx25840 2-0044: Detected audio mode: mono
> cx25840 2-0044: Detected audio standard: EIAJ
> cx25840 2-0044: Audio muted: yes
> cx25840 2-0044: Audio microcontroller: running
> cx25840 2-0044: Configured audio standard: automatic detection
> cx25840 2-0044: Configured audio system: EIAJ
> cx25840 2-0044: Specified standard: NTSC-J
^^^^^^^^^^^^^^^^^^
Specified standard NTSC-J? What module options did you use? That's the
Japanese NTSC standard. Or do you live in Japan?
Hans
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