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

[Phil Bridges]

On Tue, Apr 1, 2008 at 11:41 AM, Steven Adeff <adeffs.mythtv at gmail.com> wrote:
>
> On Mon, Mar 31, 2008 at 11:08 AM, Phil Bridges <gravityhammer at gmail.com> wrote:
>  > 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.
>
>  side note: currently the only channels sending 5C != 0 signal are the
>  movie channels(HBO, Showtime, etc), so you should be able to get all
>  the regular digital cable channels over firewire. PPV and the On
>  Demand stuff all have 5C set by the cable company so those will likely
>  be set to 2 or 3. If your cable company is changing the 5C signal of
>  the channels, I believe it is illegal and you should ask them nicely
>  to stop, and then read
>  http://www.mythtv.org/pipermail/mythtv-users/2007-February/168117.html
>

What's funny is that one of my cable boxes has Cinemax free-to-copy,
and the other box doesn't.  Guess which one is hooked up to my
Mythbox...