Locate an unused analog audio input on your stereo receiver or amplifier.
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The optical digital audio out is a fiber optic cable.
Connect the other end of the cable to a corresponding digital optical input on a soundbar home theater in a box system or home theater receiver.
It plays audio signals from the lg tv to the receiver of a home theatre system.
Connect a digital optical cable to the digital optical output on your tv.
Hook in the dvi end into your computer and the hdmi cable into your tv to see if your video card port is compatible with audio.
A better option for sending audio from your tv to an external audio system is the digital optical audio output connection.
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Unlike other cabling standards the optical audio system uses fiber optic cables and laser light to transmit digital audio signals between devices.
Connecting your sound receiver to the tv with hdmi will give you the best possible audio.
For digital sound locate the optical digital output or hdmi out port.
Step1 connect one end of hdmi cable at hdmi arc port in tv and another end at hdmi arc or hdmi out port of external speaker or home theater sound receiver.
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The connection guide on the tv explicitly mentions the ability to choose between optical and audio out illustrating the different cable connectors for each.
For analog the output is often labeled audio out and could be two rca jacks or a single 3 5 mm mini jack.
When connecting lg tv audio output to speakers remember that some models have 2 rca jacks for the output of the right and left channels.
Dvi i to hdmi or dvi d to hdmi cables can carry audio but it depends on whether or not the video card inside your computer supports this transfer.
If not you ll need a separate audio connection.
Locate the analog or digital audio output jack on the television.
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