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

Allen Edwards allen.p.edwards at gmail.com
Sat Dec 8 05:04:18 UTC 2018

On Thu, Dec 6, 2018 at 7:54 AM Allen Edwards <allen.p.edwards at gmail.com>

> 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

Myth does respond to the remote before the TV is turned on so that must be
it.  However, there is no  energy saving mode.  The TV is not an LED
backlit but rather has a tube so that must be the issue.  Mystery solved
although problem not solved.

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