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LG Optical Audio or Multi-channel Audio Output

  • Troubleshooting
LG Optical Audio or Multi-channel Audio Output LG Optical Audio or Multi-channel Audio Output

The Optical Digital Audio Output or HDMI/ARC Multi-channel Audio Output is available as PCM or Auto. DTS Audio is not supported on current LG Televisions.


  • PCM - Used for simple systems, sound bars or 2.1 systems.
  • Auto - Used for DolbyTM 5.1 systems.

To set the Sound Out mode, follow the steps below.


1.

Press the SMART button Smart Button on the remote control and select Settings > SOUND > Sound Out, then press Wheel or Enter.


  External Speaker

2.

Depending on the method of connection for external audio, this will be either: Optical Digital Audio Output (Optical cable) or HDMI/ARC (HDMI cable). Both of these can output either: 2 channel stereo sound (PCM) or multi-channel Dolby 5.1 digital sound.


3.

For either the Optical Digital Audio Output or HDMI/ARC Multi-channel Audio Output, select External Speaker and then select either PCM or Auto as the Digital Sound Out.


Sound Out

4.

To use an HDMI cable, HDMI 1 must be used on the TV, and the external sound system must support ARC (Audio Reverse Channel). Select  ARC Mode to ON.


5.

Select Close when finished.


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