[mythtv-users] Upgrading from MythBuntu 14.04 to 16.04 - Potential issues?

Allen Edwards allen.p.edwards at gmail.com
Thu Dec 6 15:54:58 UTC 2018


On Thu, Dec 6, 2018 at 7:45 AM Dan Wilga <
mythtv-users2 at dwilga-linux1.amherst.edu> wrote:

> On 12/6/18 10:26 AM, Allen Edwards wrote:
>
> On Thu, Dec 6, 2018 at 2:33 AM Phill Edwards <philledwards at gmail.com>
> wrote:
>
> The only issue I have is the same one I had before the upgrade and that is
> that when I turn the TV on, it takes about 2 minutes before the remote is
> responsive.  After that, it is fine.  I just cannot understand even how
> Myth knows that the TV is off or just turned on and I certainly don't
> understand why the remote would be so slow to become responsive.  I often
> use a remote keyboard if I want to do something during those initial
> minutes.  Does anyone know what could cause this behavior?  It almost makes
> me want to get a different remote or different control code but I like my
> remote very much and don't need a new hobby :-)
>
> It may seem counter-intuitive, but the backlight in TV itself can
> sometimes interfere with the operation of IR remote controls. This is
> particularly problematic with older CFL (pre-LED) backlights. It may be the
> case that the backlight is only interfering during a warm-up phase, which
> is why it stops doing so after 2 minutes.
>
> The way to test this would be:
>
> 1. Turn on the frontend computer but leave the TV off.
> 2. Press up/down arrow or some other key on the remote that you know will
> make a visible change on the frontend.
>
> 4. Turn the TV on and see if the change happened.
>
> If so, then it's most likely the TV's fault. See if the TV has any sort of
> "energy saving" mode that can be disabled, as that can cause the TV to
> rapidly flicker the backlight.
>
Wow, I would never have thought of that.  I will give it a try.

Allen
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