[mythtv-users] Can't tune comcast 709 (KQED) over firewire (DCH3200) but can tune others (not 5c?)

Brad Fuller bradallenfuller at gmail.com
Sun Apr 25 22:29:58 UTC 2010


On Sun, Apr 25, 2010 at 14:57, Marc MERLIN <marc_mtv at merlins.org> wrote:
> On Sun, Apr 25, 2010 at 02:53:58PM -0700, Brad Fuller wrote:
>> >> did you try to change the channel using the script outside of Myth?
>> >
>> > Mythtv changes the channel fine, I can see it displayed on the DCH-3200.
>> > After myth fails to tune the channel if I switch my TV to displaying the
>> > video output of the DCH-3200, my channel is tuned and playing.
>> >
>> > It just won't go through firewire for some reason, which usually is a 5c
>> > problem but the box says 5c is disabled, so I'm at a loss...
>>
>> Ah... I had a similar problem. It wasn't consistent -  I can't
>> remember if the other outputs were changing though. Did you check
>> that?
>>
>> That is, connect a TV directly to another video out of the STB
>> (composite or whatever output, just as long as it's not 1394) and
>> switch the channel with the script. That is: compare the output of the
>> composite with the 1394. Testing if it REALLY is changing the tuner.
>
> That's exactly what I did "if I switch my TV to displaying the video output
> of the DCH-3200, my channel is tuned and playing".
>
> It's not a switching problem, the channel is definitely used, it's playing
> over HDMI, but whatever gets sent over firewire doesn't work with mythtv. As
> if it were 5c, except that 5c is disabled according to what the box says.


I've heard some cable cos. disabling 1394, as you probably have. But,
since yours of not working just on one particular channel, that's
strange. Perhaps something is wrong with the STB?


-- 
Brad Fuller
+1 (408) 335-0112


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