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Hi there! Thank you for your question about the OLED77C3PUA TV. To connect your TV to your Onkyo receiver for audio output, the best option is to use the HDMI ARC (Audio Return Channel) port, typically labeled as HDMI ARC on the TV. This allows for a simplified connection that carries both audio and video signals and enables control through a single remote. If you need further assistance with the setup or have any other questions, please feel free to send us a private message on Social Media @LGUSSupport. Our team would be happy to help you! We appreciate your trust in LG. —Avril
Sorry, there was a problem. Please try again later.HDMI 2 has the arc for audio out
Sorry, there was a problem. Please try again later.Earc
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