need help with new soundbar - AVS Forum
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post #1 of 4 Old 11-27-2013, 05:35 PM - Thread Starter
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When I turn the TV on the soundbar does not come on automatically.

LG NB3730A smart soundbar
I plugged optical cable out from tv into the back of soundbar
Plugged the hdmi cable out from soundbar to TV

I'm not sure if I'm understanding this feature properly. The unit does automatically turn off after about 30 seconds of turning the TV off. I double checked all the menu's and did a factory reset and tried again. I'll post a picture of what the manual says about this feature.

Thanks for the help!


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post #2 of 4 Old 11-28-2013, 09:52 AM
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Sorry, but I had never heard of the Sound Bar turning on and off with an Optical Connection, but it's possible with an HDMI Connection with TV ARC Enabled.

HDMI ARC is only a feature which allows Sound to be transferred to the Sound Bar, instead of going into the TV. However, HDMI-CEC allows you to control the volume of the Sound Bar and enable the Sound Bar to turn on and off with the TV. Mostly, if HDMI-ARC is enabled, HDMI-CEC will be enabled as well. Please check that your TV supports HDMI-ARC and HDMI-CEC. If your TV supports HDMI-CEC and HDMI-ARC, follow the steps below. If not, please provide us with more information on your current situation above. I'd recommend you provide your TV model as well for other members to help out easier.

1) Make sure that your TV supports HDMI-ARC and HDMI-CEC
2) Search the manual of your TV to find the HDMI port which supports HDMI-ARC
3) Connect one end of the HDMI cable to the specific port on the TV
4) Connect the other end into your Sound Bar HDMI Out
5) Enable HDMI-ARC and HDMI-CEC on your TV
7) Disable TV Speakers (if possible)
8) Turn on all your existing devices, and change your Sound Bar's input to "TV ARC"
9) Try turning on and off your TV to see if it works.


If you TV has only the option to enable HDMI-ARC, the feature HDMI-CEC should also be enabled after enabling HDMI-ARC. This settings could normally be found on your TV sound settings.
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post #3 of 4 Old 11-28-2013, 10:02 AM
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This is an extra post, I accidentally pressed. Please delete this if it is possible.
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post #4 of 4 Old 11-28-2013, 01:43 PM - Thread Starter
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Awesome thx for the reply. I have sharp lcc6077un 60" tv that doesnt do ARC. I kinda figured it wouldnt be able to be "off" and still be able to monitor the optical. Thx again!
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