[mythtv-users] Control HDMI output to switch TV on/off

Roger H mythtvuser1818 at gmail.com
Tue Nov 8 14:38:47 UTC 2011

On Tue, Nov 8, 2011 at 9:23 AM, David Watkins <watkinshome at gmail.com> wrote:

> > Question is, what constitutes being on or off on an Nvidia HDMI connector
> > on a Zotac board. Setting blank doesn't do it as the TV seems to be
> seeing
> > a signal that says black screen. Is there a way of "turning off" the HDMI
> > connection so the TV turns off?
> Well there must be a way, because it's working for me.
> I'm using a Nvidia based Zotac ION frontend, connected over HDMI to an
> LG television.
> If I leave MythTV on a menu then, after a while the screen goes blank.
>  A short while later the TV screen save kicks in and a short while
> after that the TV turns off.
> The bad news is that I can't think of anything special that I did to
> make this happen.  (I use gdm to autologin the mythtv user with a
> ratpoison window manager, and start the frontend).  I haven't changed
> any screensaver settings from their defaults, as far as I know (which
> I think means that mythtv is controlling the screensaver using DPMS)

The original poster is using a Sony Bravia TV and you are using an LG
television so maybe the difference is the Sony won't respond DPMS over
HDMI.  Just a thought.
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