Yamaha YSP-1 Owner's Manual page 60

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 cord, 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 speakers.
No sound from the
center speaker.
No sound from the
surround speakers.
No sound from the
subwoofer.
Cause
The power cable is not connected or the
plug is not completely inserted.
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 oft'.
Incorrect input or output cable
connections.
No appropriate input source has been
selected.
The volume is turned clown.
The sound is muted.
Signals this unit cannot reproduce are
being received from a source component,
such as a CD-ROM.
The sleep timer has turned the unit oft'.
The sound is muted.
You are playing back the source or
program in stereo mode.
The output level of the center speaker is
set to minimum.
The output level of the surround speakers
is set to nlininmm.
BASS OUT in SUBWOOFER SET is set
to FRONT when a Dolby Digital or DTS
signal is being played.
The source does not contain low bass
signals.
Re_rto
Remedy
page
Connect the power cable firmly. 17
Set this unit in the standby mode, disconnect the
power cable, plug it back in alter 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 detective.
Select an appropriate input source with INPUT or the
input selector buttons.
Turn up the volume.
Press MUTE or VOLUME +1 on the remote control
to resume audio output, then adjust the volume.
Play a source whose signals can be reproduced by this
unit.
Turn on the power, and play the source again.
Press MUTE or VOLUME +1 on the remote control
to resume audio output, then adjust the volume.
Press one of the beam mode buttons on the remote
control to select a nmlti-channel playback mode, then
try to playback the source or program once more.
Raise the level of the center speaker.
Raise the output level of the surround speakers.
Select SWFR or BOTH.
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