No audio or low audio with a home theatre system.

Select within the text to jump to the related settings screen.

• Press the (Quick Settings) button on the remote control, then select [Settings] — [Display & Sound] — [Audio output] — [Speakers] — [Audio system].
• If the audio system is not compatible with Dolby Digital or DTS, set [Settings] — [Display & Sound] — [Audio output] — [Audio system settings] — [Digital audio output] to [PCM].
• If you select an analogue (RF) channel and pictures are not displayed correctly, you will need to change the TV broadcast system. Press the (Quick Settings) button on the remote control, then select [Settings] — [Channels & Inputs] — [Channels] — [Channel setup] — [Manual tuning] — [Analogue] — [TV system]. (Availability of [Analogue] or option name differs depending on the region/country/situation.)
• Check if the TV's [Optical digital audio output volume] setting is at maximum.

  Press the (Quick Settings) button on the remote control, then select:
  [Settings] — [Display & Sound] — [Audio output] — [Audio system settings] — [Optical digital audio output volume]

• When using HDMI input with Super Audio CD or DVD-Audio, DIGITAL AUDIO OUT (OPTICAL) may not provide an audio signal.