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TROUBLESHOOTING
82 En
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 power supply cable and contact
the nearest authorized YAMAHA dealer or service center.
■ 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 power supply cable is not firmly
connected to the AC wall outlet.
Connect the power supply cable firmly to
the AC wall outlet.
21
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 power supply cable, plug
it back in after 30 seconds, then 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 about 1 hour for this unit to cool
down and then turn it back on.
—
The sleep timer has turned the unit off. Turn on the power, and play the source
again.
—
No sound. Incorrect input or output cable
connections.
Connect the cables properly. If the
problem persists, the cables may be
defective.
14
No appropriate input source has been
selected.
Select an appropriate input source with
INPUT or the input selector buttons.
37
The volume is turned down. Turn up the volume.
39
The sound is muted. Press MUTE or VOLUME +/– on the
remote control to resume audio output
and then adjust the volume level.
39
Signals this unit cannot reproduce (such
as PCM signals with more than 96 kHz
of sampling frequency) are being
received from source component.
Play a source whose signals can be
reproduced by this unit.
—
Change the system settings of the source
component.
—
The sound suddenly goes off. The sleep timer has turned the unit off. Turn on the power, and play the source
again.
—
The sound is muted. Press MUTE or VOLUME +/– on the
remote control to resume audio output
and then adjust the volume level.
39
No sound from the effect
channels.
You are playing back the source or
program in the stereo mode or my beam
mode.
Press one of the beam mode buttons on
the remote control to select a multi-
channel playback mode and then try to
play back the source or program once
more.
40
No sound from the center channel. The output level of the center channel is
set to minimum.
Raise the level of the center channel.
68
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.
68
No sound from the subwoofer. BASS OUT in SUBWOOFER SET is set
to FRONT.
Select SWFR.
63
The source does not contain low bass
signals.