[mythtv-users] Can only view some HD channels over Firewire, no SD (Charter cable in Mass)

[Phil Bridges]

On Mon, Mar 31, 2008 at 10:57 AM, Brian Wood <beww at beww.org> wrote:
>
>
>  On Mar 31, 2008, at 8:42 AM, Matt Emmott wrote:
>
>  > After a ton of help from this list, I formatted my FC8 box and dove
>  > head-first into Mythbuntu 7.10. I upgraded to MytTV 0.21 and (with
>  > some help from this list) got my HD over firewire working with my
>  > SA3250HD. HD via the broadcast networks works great, but the issue
>  > is that nothing else can get a signal lock. I'm running Charter
>  > cable in Massachusetts.
>  >
>  > Right now the only channels I can get are ABC HD, NBC HD, CBS HD and
>  > FOX HD. Everything else never gets past (L__) when trying to lock
>  > onto a channel. Before I chaulk it up to being Charter's fault, are
>  > there any tests I can try to make sure the issue isn't on my end?
>
>  Most likely those are the only channels Charter is sending as clear
>  QAM. This would be a typical situation.
>
>  If you want to be absolutely sure you could get hold of a TV set with
>  a clear QAM demodulator and confirm that it only sees the same things,
>  or try a HDHR or other QAM capture device.
>

This isn't necessarily an clear QAM issue - it's more than likely a 5C
encryption issue.  *Knock on wood* I get plenty of channels over
firewire that aren't 5C encrypted that I can't get through my
HDHomerun.  You may want to check the cable box settings to check the
5C settings per channel.