En 127
Audio
Problem Cause Remedy
No sound.
Another input source is selected. Select an appropriate input source with the input selection keys
Signals that this unit cannot reproduce are being input.
Some digital audio formats cannot be played back on this unit. To check the
audio format of the input signal, use “Audio Signal” in the “Information” menu
(p.117).
The cable connecting this unit and playback device is defective. If there is no problem with the connection, replace with another cable.
The volume cannot be increased.
The maximum volume is set. Use “Max Volume” in the “Setup” menu to adjust the maximum volume (p.108).
Any device connected to the output jacks of this unit is not turned
on. (This may happen due to the nature of AV receivers.)
Turn on all devices connected to the output jacks of this unit
No sound is heard from a specific
speaker.
The playback source does not contain corresponding channel
signals.
To check it, select “7ch Stereo” (p.50).
The sound program/decoder currently selected does not use the
corresponding speaker.
To check it, select “7ch Stereo” (p.50).
Audio output of the corresponding speaker is disabled.
Perform “Auto Setup” (p.40) or use “Configuration” in the “Setup” menu to change
the speaker setting (p.104).
The volume of the corresponding speaker is too low.
Perform “Auto Setup” (p.40) or use “Level” in the “Setup” menu to adjust the
speaker volume (p.106).
The speaker cable connecting this unit and corresponding
speaker is defective.
If there is no problem with the connection, replace with another speaker cable.
The corresponding speaker is malfunctioning.
To check it, replacing with another speaker. If the problem persists, this unit may
be malfunctioning.
No sound is heard from the surround
back speaker.
The extended surround is disabled.
Use “Extended Surround” in the “Option” menu to select a decoder to be used
(p.92).
No sound is heard from the subwoofer.
The playback source does not contain LFE or low-frequency
signals.
To check it, set “Extra Bass” in the “Setup” menu to “On”, to output the front
channel low-frequency components from the subwoofer (p.105).
Subwoofer output is disabled.
Perform “Auto Setup” (p.40) or set “Subwoofer” in the “Setup” menu to “Use”
(p.105).
The subwoofer is turned off by the auto-standby function on it. Disable the auto-standby function of the subwoofer or adjust its sensitivity level.
No sound from the playback device
(connected to this unit with HDMI).
The TV does not support HDCP (High-bandwidth Digital Content
Protection).
To check it, use “Video Signal” in the “Information” menu (p.117).
This unit is set not to output audio input through HDMI jacks from
the SPEAKERS terminals.
In “Audio Output” in the “Setup” menu, set “Amp” to “On” (p.110).
The number of devices connected to the HDMI OUT jack is over
the limit.
Disconnect some of the HDMI devices.
No sound from the TV (when HDMI
Control is used).
(If the TV is connected to this unit with an audio cable)
The TV audio input setting does not match the actual connection.
Use “TV Audio Input” in the “Setup” menu to select the correct audio input jack
(p.109).
(If you are trying to use ARC)
ARC is disabled on this unit or TV.
Set “ARC” in the “Setup” menu to “On” (p.110). Also, enable ARC on the TV.
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