Yamaha YRS-2500 Owner's Manual page 131

Problem
No sound.
No sound or too small sound from
a specific channel.
Surround sound effects are
insubstantial.
60
Troubleshooting
En
Cause
Incorrect input or output cable connections.
No appropriate input source has been selected.
The volume is turned down.
The sound is muted.
There is input signal cannot be played back by this unit.
"HDMI AUDIO OUT" is set to "TV".
"HDMI CONTROL" is set to "OFF".
Sound from an HDMI control-enabled TV is set for output from the TV's
built-in speakers.
The output level of the channel is muted.
The beam setting is inappropriate.
The source is played in stereo playback mode.
Some audio output methods do not output sound beams for certain
channels.
When connecting this unit with playback device and TV digitally, the output
setting of the playback device and TV is not valid.
The playback device is set for constant output from 2 channels (PCM, etc.). Change the playback device's audio output setting.
The listening room is not a regular shape, or the unit or listening position is
not at the center of the right and left wall of the listening room.
There is no wall in the path of the sound beam.
When MY SUR. (My Surround) is selected, listening position is not in front of
the unit.
Remedy
Connect the cable properly.
Select an appropriate input source with the input selector keys.
Turn up the volume.
Press the MUTE ( ) or VOL (+/-) key to resume audio output and adjust
the volume level.
Play a source whose signals can be reproduced by this unit. Change the
system settings of the source device.
Set to "AMP".
When connecting ARC (Audio Return Channel) supported TV and this unit
using an HDMI cable only, set "HDMI CONTROL" to "ON".
To use this unit with "HDMI CONTROL" set to "OFF", connect the TV's audio
output jack to this unit's TV input jack via the optical cable.
Use the TV's HDMI settings to set audio output to any option other than the
TV's built-in speakers.
Raise the output level of the channel.
Adjust the beam setting.
Switch to surround playback mode.
Switch the sound beam output method.
Refer to the manual supplied with your device and check the setting.
Relocate the unit or listening position.
Place the sound reflection board in the path of the sound beam.
Listen in front of this unit.
See page
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