Audio - Yamaha RX-V381 Owner's Manual

Problem
The unit cannot be controlled using the remote
control.
Cannot select the desired input source even if
"INPUT" is pressed.
The RED/GREEN/YELLOW/BLUE keys of the
remote control do not operate.

Audio

Problem
No sound.
The volume cannot be increased.
No sound is coming from a specific speaker.
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.
The remote control IDs of the unit and the remote control are not
identical.
The function which skips some input sources is set.
The device which is connected to the unit via HDMI does not
support the operation of the RED/GREEN/YELLOW/BLUE keys.
The settings of the RED/GREEN/YELLOW/BLUE keys of the unit's
remote control have been changed.
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. Turn on all devices connected to the output jacks of the unit.
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.
Remedy
Use the remote control within the operating range (p.4).
Replace with new batteries.
Adjust the lighting angle, or reposition the unit.
Change the remote control ID of the unit or the remote control (p.66).
Set "Input Skip" of the desired input source in the "Setup" menu to "Off" (p.63).
Use a device which supports the operation of the RED/GREEN/YELLOW/BLUE
keys.
Set the "Remote Color Key" settings in the "Setup" menu to "Default" (p.64).
Remedy
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 "Signal Info." in the "Option" menu (p.49).
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.60).
To check it, use "Signal Info." in the "Option" menu (p.49).
To check it, select "5ch Stereo" (p.32).
Perform YPAO (p.25) or use "Configuration" in the "Setup" menu to change the
speaker settings (p.54).
Perform YPAO (p.25) or use "Level" in the "Setup" menu to adjust the speaker
volume (p.56).
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.
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En