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APPENDIX ➤ Troubleshooting En 147
Audio
Problem Cause Remedy
No sound.
Another input source is selected. Select an appropriate input source with the input selection keys.
Signals that the unit cannot reproduce are being input.
Some digital audio formats cannot be played back on the unit. To check the audio
format of the input signal, use “Audio Signal” in the “Information” menu (p.131).
The cable connecting the 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.118).
A device connected to the output jacks of the unit is not turned on. Turn on all devices connected to the output jacks of the unit.
No sound is coming from a specific speaker.
The playback source does not contain a signal for the channel. To check it, use “Audio Signal” in the “Information” menu (p.131).
The currently selected sound program/decoder does not use the
speaker.
To check it, use “Test Tone” in the “Setup” menu (p.117).
Audio output of the speaker is disabled.
Perform “Auto Setup” (p.50) or use “Configuration” in the “Setup” menu to change
the speaker settings (p.115).
The volume of the speaker is set too low.
Perform “Auto Setup” (p.50) or use “Level” in the “Setup” menu to adjust the
speaker volume (p.117).
The speaker cable connecting the unit and the speaker is
defective.
If there is no problem with the connection, replace with another speaker cable.
The speaker is malfunctioning.
To check it, replace with another speaker. If the problem persists, the unit may be
malfunctioning.
No sound is coming 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.100).
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.116).
Subwoofer output is disabled.
Perform “Auto Setup” (p.50) or set “Subwoofer 1” or “Subwoofer 2” in the “Setup”
menu to “Use” (p.116).
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.122).
The number of devices connected to the HDMI OUT jack exceeds
the limit.
Disconnect some of the HDMI devices.