Audio - Yamaha RX-V781 Owner's Manual

Problem
The unit cannot be controlled using the remote
control.

Audio

Problem
No sound.
The volume cannot be increased.
No sound is coming from a specific speaker.
No sound is coming from the subwoofer.
Cause
The unit is out of the operating range.
The batteries are weak.
The unit's remote control sensor is exposed to direct sunlight or strong
lighting.
(RX-V781 [China, Korea, U.K. and Europe models] only)
The remote control is set to control external devices.
The remote control IDs of the unit and the remote control are not
identical.
Cause
Another input source is selected.
Signals that the unit cannot reproduce are being input.
The cable connecting the unit and playback device is defective.
The maximum volume is set.
A device connected to the output jacks of the unit is not turned on.
The playback source does not contain a signal for the channel.
The currently selected sound program/decoder does not use the
speaker.
Audio output of the speaker is disabled.
The volume of the speaker is set too low.
The speaker cable connecting the unit and the speaker is defective.
The speaker is malfunctioning.
The playback source does not contain LFE or low-frequency signals.
Subwoofer output is disabled.
The volume of the subwoofer is too low.
The subwoofer has been turned off by its auto-standby function.
En
Use the remote control within the operating range (p.5).
Replace with new batteries.
Adjust the lighting angle, or reposition the unit.
Press RECEIVER to set the remote control to control the unit (the key lights up in orange).
Change the remote control ID of the unit or the remote control (p.129).
Select an appropriate input source with the input selection keys.
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.127).
If there is no problem with the connection, replace with another cable.
Use "Max Volume" in the "Setup" menu to adjust the maximum volume (p.115).
Turn on all devices connected to the output jacks of the unit.
To check it, use "Audio Signal" in the "Information" menu (p.127).
To check it, use "Test Tone" in the "Setup" menu (p.114).
Perform "Auto Setup" (p.45) or use "Configuration" in the "Setup" menu to change the
speaker settings (p.111).
Perform "Auto Setup" (p.45) or use "Level" in the "Setup" menu to adjust the speaker
volume (p.113).
If there is no problem with the connection, replace with another speaker cable.
To check it, replace with another speaker. If the problem persists, the unit may be
malfunctioning.
To check if the subwoofer is working properly, use "Test Tone" in the "Setup" menu
(p.114).
Perform "Auto Setup" (p.45) or set "Subwoofer" in the "Setup" menu to "Use" (p.112).
Adjust the volume on the subwoofer.
Disable the auto-standby function of the subwoofer or adjust its sensitivity level.
135
Remedy
Remedy