Connecting to a device with digital audio connectors
Use this connection to input digital audio signals to this unit, and convert the signals for playback using the D/A converter of this unit. link
When connecting a TV to this unit, turn off the audio output of the TV’s internal speakers. See the owner’s manual of your TV for details.
When connecting the HDMI ARC terminal of this device to your TV, connect it to the HDMI input terminal of your TV that supports the ARC function.
When connecting to a TV that does not support the ARC function or a TV that does not have an HDMI terminal, use an Optical connection or a Coaxial connection to play the TV audio.
Linear PCM signals with a sampling frequency of 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, or 192 kHz can be input into this unit.
Do not input non-PCM signals, such as Dolby Digital, DTS and AAC. This causes noise and could damage the speakers.
Only the PCM 2-channel setting can be used to play sound from a TV via the HDMI ARC function. Set “PCM 2ch” as the audio format in the TV settings.
Specifications of supported audio formats
See D/A converterlink.