LG TV + ARC + Vizio Soundbar = No sound - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 7 Old 01-14-2020, 01:12 AM - Thread Starter
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LG TV + ARC + Vizio Soundbar = No sound

I'm starting to wonder whether this TV and soundbar combo isn't compatible.

The TV is an LG 65UB9200.

The soundbar is a Vizio 5.1.2.

In the soundbar instructions they say the TV needs to support bitstream, but I'm not able to find anything about that in the tv manual or menus, nor in google searching for "65UB9200 bitstream".

The optical audio connection works fine, but I read that optical doesn't support atmos.
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post #2 of 7 Old 01-14-2020, 07:48 AM
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Have you tried a second HDMI cable to just eliminate the possibility of a bad cable?

What audio output options does your tv have in the settings menu?
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post #3 of 7 Old 01-14-2020, 12:17 PM
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Quote:
Originally Posted by mcaskey View Post
I'm starting to wonder whether this TV and soundbar combo isn't compatible.

The TV is an LG 65UB9200.

The soundbar is a Vizio 5.1.2.

In the soundbar instructions they say the TV needs to support bitstream, but I'm not able to find anything about that in the tv manual or menus, nor in google searching for "65UB9200 bitstream".

The optical audio connection works fine, but I read that optical doesn't support atmos.
Did you set the sound output to HDMI ARC in your TV settings?
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post #4 of 7 Old 01-14-2020, 04:04 PM
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try the pcm setting in your tv audio menu's
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post #5 of 7 Old 01-14-2020, 07:32 PM - Thread Starter
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Quote:
Originally Posted by pbasil1 View Post
Have you tried a second HDMI cable to just eliminate the possibility of a bad cable?

What audio output options does your tv have in the settings menu?
I will try another cable.

The tv output options are either internal speakers or a combined option of auto/optical/arc. So I can't specify arc.
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post #6 of 7 Old 01-14-2020, 07:34 PM - Thread Starter
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I'm unable to select just arc. The option that includes arc is "auto/optical/arc"
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post #7 of 7 Old 01-15-2020, 06:26 AM
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Quote:
Originally Posted by mcaskey View Post
I'm starting to wonder whether this TV and soundbar combo isn't compatible.

The TV is an LG 65UB9200.

The soundbar is a Vizio 5.1.2.

In the soundbar instructions they say the TV needs to support bitstream, but I'm not able to find anything about that in the tv manual or menus, nor in google searching for "65UB9200 bitstream".

The optical audio connection works fine, but I read that optical doesn't support atmos.
Correct, you can not get ATMOS with optical. It has to be HDMI.

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