38
En
Audio
Problem
Cause
Remedy
No sound.
Another input source is selected.
Select an appropriate input source (p. 26).
The mute function is activated.
Cancel the mute function (p. 28).
The volume is too low.
Turn up the volume (p. 28).
The power cable of the center unit is not connected
properly.
Make sure that the power cable of the center unit is connected to
an AC wall outlet securely (p. 24).
Input jacks on a playback device are connected.
Connect the input jack on the center unit and the output jack on
the playback device.
Signals that the unit cannot play back are being input.
Change the digital audio output setting on the playback device to
PCM, Dolby Digital or DTS.
The center unit is configured so that HDMI audio input
signals are output from the TV.
Configure the unit so that HDMI audio input signals are output
from the unit (p. 34)
The HDMI control function is disabled.
When connecting a TV that supports ARC (Audio Return
Channel) to the unit using an HDMI cable only, enable the HDMI
control function (p. 34).
To output audio signals from this unit with the HDMI control
function disabled, connect the TV’s audio output jack to the
center unit’s TV input jack (optical digital) via the optical digital
audio cable (p. 22).
Sound from an HDMI control-enabled TV is set for output
from the TV’s built-in speakers.
Use the TV’s HDMI settings to set audio output to any option
other than the TV’s built-in speakers.
No sound is coming from the
subwoofer.
The subwoofer is not connected to an AC wall outlet.
Plug in the power cable of the subwoofer to an AC wall outlet (p.
24).
The protection circuitry in the subwoofer has been
activated.
To protect the product, the power of the subwoofer cannot be
turned on. Unplug the power cable from the AC wall outlet and
contact the nearest authorized Yamaha dealer or service center.