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APPENDIX ➤ Troubleshooting En 140
No sound is coming 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”, in order to output the
front channel low-frequency components from the subwoofer (p.108).
Subwoofer output is disabled.
Perform “Auto Setup” (p.41) or set “Subwoofer 1” or “Subwoofer 2” in the “Setup”
menu to “Use” (p.107).
The volume of the subwoofer is too low. Adjust the volume on the subwoofer.
The subwoofer has been turned off by its auto-standby function. Disable the auto-standby function of the subwoofer or adjust its sensitivity level.
No sound from the playback device (connected to
the unit with HDMI).
The TV does not support HDCP (High-bandwidth Digital Content
Protection).
Refer to the instruction manuals for the TV and check the TV’s specifications.
The 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.114).
The number of devices connected to the HDMI OUT jack exceeds
the limit.
Disconnect some of the HDMI devices.
No sound from the TV (when HDMI Control is
used).
The TV is set to output audio from the TV speakers.
Change the audio output setting on your TV so that the TV audio is output from the
speakers connected to the unit.
A TV that does not support ARC is connected to the unit only with
an HDMI cable.
Use a digital optical cable to make an audio connection (p.26).
(If the TV is connected to the 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.113).
(If you are trying to use ARC)
ARC is disabled on the unit or TV.
Set “ARC” in the “Setup” menu to “On” (p.114). Also, enable ARC on the TV.
No sound from the Zone2 TV (connected to the
unit with HDMI).
The audio output from the HDMI OUT 2 (ZONE OUT) jack is
disabled.
Set “Audio Output” in the “Setup” menu to “On” (p.118).
Only the front speakers work on multichannel
audio.
The playback device is set to output 2-channel audio (such as
PCM) only.
To check it, use “Audio Signal” in the “Information” menu (p.123). If necessary,
change the digital audio output setting on the playback device.
Noise/hum is heard.
The unit is too close to another digital or radio frequency device. Move the unit further away from the device.
The cable connecting the unit and playback device is defective. If there is no problem with the connection, replace with another cable.
The sound is distorted.
The volume of the unit is too high. Turn down the volume.
The input signal level is too high when AUDIO 4 (XLR) is selected
as the input source.
Adjust the output signal level on the playback device or use “Balance Input
Attenuator” in the “Input” menu (p.97).
A device connected to the unit’s output jacks is not turned on. Turn on all devices connected to the unit’s output jacks.
The sound is interrupted.
If the HDMI OUT 2 (ZONE OUT) jack is assigned to Zone2 or
Zone4, HDMI audio output may be interrupted during some zone
operations due to internal circuitry switching.
For details, see “Connecting an HDMI-compatible device to play back
videos/audio” (p.85).
Problem Cause Remedy