Forum Thread

dumb TV too smart?

Damocles 3,471 October 17, 2015 at 07:23 PM
i have a panasonic plasma with viera. had it for ~10 years now.

today i was watching a bluray on my LG bluray player, and then i paused it to check the football game.

as soon as i switched TV inputs, my bluray player turned off, which makes no sense. why would i want the bluray to power off when i switch inputs? pause maybe, but shut down? it's all the way off, too. like main LG menu, FBI warning and the whole bit.

have i set something up wrong? can i prevent this via a menu option? is it the TV or bluray? i can't find any way to turn off viera.

thanks!

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#2
Correlation doesn't necessarily imply causation.

Most dvd players and bd players will resume where you left off if you power them off with the remote. I think the most likely thing is something else like a loose cord caused it to loose power (if it isn't a recurring event). There is a protocol called CEC that allows devices to issue commands to one another over HDMI, but in most cases it isn't well supported across different brands every mfg calls it something different. Read the manuals...
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Last edited by jkee October 18, 2015 at 03:57 PM
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#3
maybe the SimpLink feature, there's a button on the remote
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#4
Can you reproduce it?
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#5
This is the behavior of an HDMI feature called CEC, which Panasonic calls VieraLink. The purpose is to give you "One Remote" capability, so that any remote can control all of your equipment.

For example, if you insert a disc into that BD Player, it should power up the BD Player, power the TV, switch the TV's HDMI input to the BD Player's port, and start the movie.

But if you don't like this behavior, you can turn off VieraLink in the TV's set up menus or just in the BD Player's.

I have a Sony TV, PS/3 and Onkyo AVR and CEC works really well among them. When I adjust the tv volume, it adjusts the AVR's instead. But our Xbox and AppleTV don't have any CEC support at all.
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#6
Quote from slapshot136 View Post :
Can you reproduce it?
yeah, everytime i switch the input away from the BR player, the BR player turns off.

i searched both menu systems and i don't see a way to turn off viera, completely or for a particular device. maybe if i unplug all HDMIs, but it's not worth spending an hour troublshooting.

i like viera for my amazon stick (it changes the TV input and everything). but putting in a bluray changes nothing.

if i can get on a soapbox for a minute, this is what happens when you tack on features to a device like a TV, without any expertise in the area. in the ideal case, i should have all kinds of options, customization and saved preferences for CEC interaction with each individual device. but TV makers didn't get rich by making smart GUIs, they got there by making cheap TVs. so CEC seems to just do what Panasonic decided it would do (in my case). and like a previous poster said, inter-brand standardization (or lack thereof) is a challenge to having nice things.
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#7
It's VieraLink. Like jkee said, it's just HDMI-CEC rebranded (Sony calls it BraviaLink, Samsung calls it AnyNet+, LG calls it SimpLink...it's a confusing mess).

Anyway I also have a Panasonic Viera plasma and I find the feature quite useful, since I usually don't turn my PS4 off and just turn the TV off, so it does it for me.

Here are the instructions. There should be a section to have it turn off or on under Viera Link.


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#8
Quote from Damocles View Post :
yeah, everytime i switch the input away from the BR player, the BR player turns off.

i searched both menu systems and i don't see a way to turn off viera, completely or for a particular device. maybe if i unplug all HDMIs, but it's not worth spending an hour troublshooting.
If you're watching a dvd/bd and press the bd player's power button, what happens when you turn it back on? Does it resume where you left off or does it start from the beginning? I would expect a cec initiated power off to work the same as the remote.

Look in the menus and see if you can control this setting.

As far as CEC, they all call it something different Panasonic calls it vieralink and lg calls it simplink. You should have some options that give you some control. You might be able to find an adapter or cable with pin 13 disconnected to disable cec.

My sister has has a panasonic plasma and when you turn on one of her hdmi connected devices, the tv switches from the correct input to the component input... because that's useful Facepalm
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Last edited by jkee October 18, 2015 at 04:01 PM

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#9
You have probably pressed the wrong button.
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#10
Quote from Damocles View Post :
yeah, everytime i switch the input away from the BR player, the BR player turns off.

i searched both menu systems and i don't see a way to turn off viera, completely or for a particular device. maybe if i unplug all HDMIs, but it's not worth spending an hour troublshooting.

i like viera for my amazon stick (it changes the TV input and everything). but putting in a bluray changes nothing.

if i can get on a soapbox for a minute, this is what happens when you tack on features to a device like a TV, without any expertise in the area. in the ideal case, i should have all kinds of options, customization and saved preferences for CEC interaction with each individual device. but TV makers didn't get rich by making smart GUIs, they got there by making cheap TVs. so CEC seems to just do what Panasonic decided it would do (in my case). and like a previous poster said, inter-brand standardization (or lack thereof) is a challenge to having nice things.
My soapbox: You have a habit of posting your problems without the model number of the devices that you're using. You have an LG blu-ray player? LG has made about fifty models of Blu-ray player.

LG has had notoriously bad CEC software in their products. Your problem probably isn't the TV, it's the Blu-ray player. You need to use the BD Player's setup menu to disable CEC in the BD Player. I can't help you more, because we don't know the model of your BD player.
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#11
Quote from Rebound View Post :
My soapbox: You have a habit of posting your problems without the model number of the devices that you're using. You have an LG blu-ray player? LG has made about fifty models of Blu-ray player.

LG has had notoriously bad CEC software in their products. Your problem probably isn't the TV, it's the Blu-ray player. You need to use the BD Player's setup menu to disable CEC in the BD Player. I can't help you more, because we don't know the model of your BD player.
my apologies. the LG player is BD640. I don't see CEC in the menu anywhere other than naming it Simplink.
http://www.lg.com/us/support-product/lg-BD640#

it's essentially a moot point now because i have bought a new TV without CEC.

often i don't post model specifics because i am seeking a higher level understanding. again, my apologies. i will post more details in the future.
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