Yamaha RX-V373BL User Manual

Page of 83
APPENDIX
➤ Troubleshooting
En
69
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 “Signal Info” in the “Option” menu (p.53).
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.62).
A device connected to the output jacks of the unit is not turned on. 
(This may happen due to the nature of AV receivers.)
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 “Signal Info” in the “Option” menu (p.53).
The currently selected sound program/decoder does not use the 
speaker.
To check it, select “5ch Stereo” (p.35).
Audio output of the speaker is disabled.
Perform YPAO (p.29) or use “Configuration” in the “Setup” menu to change the 
speaker settings (p.57).
The volume of the speaker is set too low.
Perform YPAO (p.29) or use “Level” in the “Setup” menu to adjust the speaker 
volume (p.58).
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 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.58).
Subwoofer output is disabled.
Perform YPAO (p.29) or set “Subwoofer” in the “Setup” menu to “Use” (p.57).
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.59).
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.
(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.60).
(If you are trying to use ARC)
ARC is disabled on the unit or TV.
Set “ARC” in the “Setup” menu to “On” (p.60). Also, enable ARC on the TV.
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 “Signal Info” in the “Option” menu (p.53). If necessary, change 
the digital audio output setting on the playback device.