Operation Manual

APPENDIX ➤ Troubleshooting En 117
Audio
The unit cannot be controlled using the remote
control.
The unit is out of the operating range. Use the remote control within the operating range (p.5).
The batteries are weak. Replace with new batteries.
The unit’s remote control sensor is exposed to direct sunlight or
strong lighting.
Adjust the lighting angle, or reposition the unit.
The remote control IDs of the unit and the remote control are not
identical.
Change the remote control ID of the unit or the remote control (p.111).
The MHL-compatible mobile device cannot be
controlled using the remote control.
The mobile device or its application is not externally controllable. Directly operate the mobile device itself.
Problem Cause Remedy
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.109).
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.99).
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.109).
The currently selected sound program/decoder does not use the
speaker.
To check it, use “Test Tone” in the “Setup” menu (p.98).
Audio output of the speaker is disabled.
Perform “Auto Setup” (p.32) or use “Configuration” in the “Setup” menu to change
the speaker settings (p.95).
The volume of the speaker is set too low.
Perform “Auto Setup” (p.32) or use “Level” in the “Setup” menu to adjust the
speaker volume (p.97).
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 “Setup” menu to select a decoder to be used
(p.99).
No sound is coming from the subwoofer.
The playback source does not contain LFE or low-frequency
signals.
To check if the subwoofer is working properly, use “Test Tone” in the “Setup” menu
(p.98).
Subwoofer output is disabled.
Perform “Auto Setup” (p.32) or set “Subwoofer” in the “Setup” menu to “Use”
(p.96).
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.