Troubleshooting
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Refer to the chart below when this unit does not function properly. If the problem you are experiencing is not listed below
or if the instruction below does not help, set this unit to the standby mode, disconnect the AC power supply cable, and
contact the nearest authorized Yamaha dealer or service center.
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General
Troubleshooting
Problem
Cause
Remedy
See
page
This unit fails to turn on
when STANDBY/ON is
pressed, or enters the
standby mode soon after the
power has been turned on.
The AC power supply cable is not firmly
connected to the AC wall outlet.
Connect the AC power supply cable firmly
to the AC wall outlet.
This unit has been exposed to a strong
external electric shock (such as lightning
and strong static electricity).
Set this unit to the standby mode, disconnect
the AC power supply cable, plug it back in
after 30 seconds, and use it normally.
—
This unit suddenly enters the
standby mode.
The internal temperature becomes too high
and the overheat protection circuitry has
been activated.
Wait for about one hour for this unit to cool
down and turn it back on.
—
The sleep timer has turned the unit off.
Turn on the power and play back the source
again.
—
No sound.
Incorrect input or output cable connections.
Connect the cables properly. If the problem
persists, the cables may be defective.
No appropriate input source has been
selected.
Select an appropriate input source with
INPUT or the input selector buttons.
The volume is turned down.
Turn up the volume.
The sound is muted.
Press MUTE or /– to resume
audio output and adjust the volume level.
The signals this unit cannot reproduce (such
as PCM signals with more than 96 kHz of
sampling frequency) are being received
from the source component.
Play a source whose signals can be
reproduced by this unit.
—
Change the system settings of the source
component.
—
The HDMI components connected to this
unit do not support the HDCP copy
protection standards.
Connect the HDMI components that support
the HDCP copy protection standards.
SUPPORT AUDIO is set to OTHER and
HDMI audio signals are not being played
back on this unit.
Set SUPPORT AUDIO to YSP-40D in
MANUAL SETUP
The sound suddenly goes
off.
The sleep timer has turned this unit off.
Turn on the power and play back the source
again.
—
The sound is muted.
Press MUTE or /– to resume
audio output and adjust the volume level.
No sound from the effect
channels.
You are playing back the source or program
in the 2-channel stereo playback or My
Beam mode.
Press one of the beam mode buttons on the
remote control to select a multi-channel
playback mode and play back the source or
program once more.
No sound from the center
channel.
The output level of the center channel is set
to minimum.
Raise the level of the center channel.
No sound from the surround
channels.
The output level of the surround channels is
set to minimum.
Raise the output level of the surround
channels.
