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En 37
Audio
Problem Cause Remedy
No sound. Another input source is selected. Select an appropriate input source (p. 25).
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 unit is not connected properly. Make sure that the power cable of the 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 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 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. 33)
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. 33).
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.
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 volume of the subwoofer is too low. Turn up the volume of the subwoofer (p. 28).
The playback source does not contain low-frequency
signals.
Play back a sound source containing low-frequency signals, and
confirm that the sound is output from the subwoofer.
The volume decreases when
the unit is turned on.
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.
Turn up the volume as required (p. 28).
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