Audio Output Connection; Arc (Audio Return Channel) - Samsung SMART TV E-Manual

Audio Output Connection

Refer to the diagram and connect the audio cable to the TV's audio output connector and the device's
audio input connector. AUDIO OUT is supported in LED TV.

ARC (Audio Return Channel)

This connection is available only with PDP 5500 series and LED 6300 series or higher.
This TV supports 3D and ARC (Audio Return Channel) functions via an HDMI cable. ARC enables
digital sound to be output using just an HDMI cable. However, ARC is only available through the HDMI
(ARC) port and only when the TV is connected to an ARC-enabled AV receiver. Connect the HDMI
cable to the TV's HDMI (ARC) connector and the device's HDMI output connector.