[mythtv-users] Auto power-off of speaker amplifier...

Krzysztof Adamski k at adamski.org
Sun Jun 8 19:55:05 UTC 2008


Most Yamaha receivers can be controlled via serial port, so if you are
handy with writing scripts you can do that too. I have been planning to
do this, but I haven't had the time yet.

K

On Sun, 2008-08-06 at 13:14 -0600, Matt Nelson wrote:
> Ahh, duh!  I use a MCE remote but have the power button programed to
> power off my tv.  I am going to see if I can get my MCE ir receiver to
> pickup the pioneer tv power off command, then I can have it power off
> the tv, and the mythbox will run the script as well.
> 
> After thinking about this, I think I am going to have problems picking
> up the programmed pioneer power signals, so to simplify it I put a ir
> transmitter on the pioneer and reset the mce remote to the default
> power button that the receiver will recognize, then set my script to
> power off/on the Yamaha receiver, and the Pioneer tv in the same
> script, and like you did set it to return mythtv to the "main menu".
> 
> Thanks Brad for your direction.  
> 
> Note: I am also going to see if I can set mythtv's sleep to call this
> script, so once sleep is activated on this box it will return mythtv
> to the main menu, power on/off the appropriate devices...
> 
> 
> On Sun, Jun 8, 2008 at 12:46 PM, Brad DerManouelian
> <myth at dermanouelian.com> wrote:
>         
>         On Jun 8, 2008, at 11:35 AM, Matt Nelson wrote:
>         
>         > In my main family room I have a mythfrontend that sends all
>         of its
>         > audio through a spdif cable to a Yamaha receiver.  The
>         problem that
>         > I have it that currently I leave my receiver on all the
>         time.  This
>         > takes up a lot of power that is not needed when there is no
>         audio
>         > playing.  I have a script that uses the ir transmitter to
>         poweroff
>         > the the receiver, but I don't know how to automate this?
>         >
>         > Is there a way to run the script if there has been no audio
>         for 15
>         > minutes?  And how would I execute the poweron script prior
>         to
>         > playing something?
>         >
>         > Any advice or guidance would be greatly appreciated.
>         >
>         > I thank you and my power bill will thank you.
>         > -Matt
>         
>         
>         Not the solution you asked for, but I solved this by using a
>         Harmony
>         remote. When I hit the Power Off button, it powers off my TV
>         and my
>         Receiver and also brings MythTV to the main menu so everything
>         is
>         using as little power as possible while still leaving my
>         mythtv box
>         running. Then when I watch something, I hit a custom "Watch
>         Recordings" button which powers on the right stuff and brings
>         MythTV
>         to the Watch Recordings page.
>         
>         You don't have to get a Harmony remote to do this since there
>         are lots
>         of remotes that allow for macros, but this was the easiest for
>         me to
>         get working and my kids no longer leave the TV on LiveTV with
>         this
>         setup. :)
>         
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