Yamaha YAS-106 Owners Manual - Page 30

Audio Problem No sound. No sound is coming from the subwoofer. The volume decreases when the unit is turned on. Cause Another input source is selected. The mute function is activated. The volume is too low. The power cable of the unit is not connected properly. Input jacks on a playback device are connected. Signals that the unit cannot play back are being input. The unit is configured so that HDMI audio input signals are output from the TV. The HDMI control function is disabled. Sound from an HDMI control-enabled TV is set for output from the TV's built-in speakers. The volume of the subwoofer is too low. The playback source does not contain low-frequency signals. The automatic volume adjustment function is activated. To prevent excessive loudness, the unit automatically controls its volume within a certain level when the unit is turned on. Remedy Select an appropriate input source (p. 19). Cancel the mute function (p. 21). Turn up the volume (p. 21). Make sure that the power cable of the unit is connected to an AC wall outlet securely (p. 18). Connect the input jack on the unit and the output jack on the playback device. Change the digital audio output setting on the playback device to PCM, Dolby Digital or DTS. Configure the unit so that HDMI audio input signals are output from the unit (p. 26) When connecting a TV that supports ARC (Audio Return Channel) to the unit using an HDMI cable only, enable the HDMI control function (p. 26). To output audio signals from this unit with the HDMI control function disabled, connect the TV's audio output jack to this unit's TV input jack (optical digital) via the optical digital audio cable (p. 16). Use the TV's HDMI settings to set audio output to any option other than the TV's built-in speakers. Turn up the volume of the subwoofer (p. 21). Play back a sound source containing low-frequency signals, and confirm that the sound is output from the subwoofer. Turn up the volume as required (p. 21). 30 En