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.
Related topics
Connecting an audio system
[125] Sound | Sound
You want to output sound from the
headphones/Bluetooth audio device and audio
system/TV speakers at the same time.
To output sound from both the headphones/Bluetooth audio
device and TV speakers
The TV can output sound from both the headphones or Bluetooth audio device and the TV
speakers at the same time.
To output sound from both an audio system connected via
eARC/ARC and TV speakers
Sound can be output from both an audio system connected to the TV and the TV speakers at
the same time by satisfying the following conditions.
Connecting the TV and audio system using a digital optical cable
Setting [Digital audio output] to [PCM]