Troubleshooting - Yamaha YSP-900 Mode D'emploi

TROUBLESHOOTING

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
Problem
This unit fails to turn on when
STANDBY/ON is pressed, or enters
the standby mode soon after the
power has been turned on.
This unit suddenly enters the
standby mode.
No sound.
The sound suddenly goes off.
No sound from the effect
channels.
No sound from the center channel.
No sound from the surround
channels.
No sound from the subwoofer.
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En
TROUBLESHOOTING
Cause
The power supply cable is not firmly
connected to the AC wall outlet.
This unit has been exposed to a strong
external electric shock (such as lightning
and strong static electricity).
The internal temperature becomes too
high and the overheat protection circuitry
has been activated.
The sleep timer has turned the unit off.
Incorrect input or output cable
connections.
No appropriate input source has been
selected.
The volume is turned down.
The sound is muted.
Signals this unit cannot reproduce (such
as PCM signals with more than 96 kHz
of sampling frequency) are being
received from source component.
The sleep timer has turned the unit off.
The sound is muted.
You are playing back the source or
program in the stereo mode or my beam
mode.
The output level of the center channel is
set to minimum.
The output level of the surround
channels is set to minimum.
BASS OUT in SUBWOOFER SET is set
to FRONT.
The source does not contain low bass
signals.
Remedy
Connect the power supply cable firmly to
the AC wall outlet.
Set this unit to the standby mode,
disconnect the power supply cable, plug
it back in after 30 seconds, then use it
normally.
Wait about 1 hour for this unit to cool
down and then turn it back on.
Turn on the power, and play the source
again.
Connect the cables properly. If the
problem persists, the cables may be
defective.
Select an appropriate input source with
INPUT or the input selector buttons.
Turn up the volume.
Press MUTE or VOLUME +/– on the
remote control to resume audio output
and then adjust the volume level.
Play a source whose signals can be
reproduced by this unit.
Change the system settings of the source
component.
Turn on the power, and play the source
again.
Press MUTE or VOLUME +/– on the
remote control to resume audio output
and then adjust the volume level.
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.
Raise the level of the center channel.
Raise the output level of the surround
channels.
Select SWFR.
See
page
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