Yamaha YSP-1 - Manual (Page 60)

TROUBLESHOOTING
54
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
TROUBLESHOOTING
Problem Cause Remedy
Refer to
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 cable is not connected or the
plug is not completely inserted. Connect the power cable firmly. 17
This unit has been exposed to a strong
external electric shock (such as lightning
and strong static electricity). Set this unit in the standby mode, disconnect the
power 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. 11
No appropriate input source has been
selected. Select an appropriate input source with INPUT or the
input selector buttons. 31
The volume is turned down. Turn up the volume. 30
The sound is muted. Press MUTE or VOLUME +/– on the remote control
to resume audio output, then adjust the volume. 30
Signals this unit cannot reproduce are
being received from a source component,
such as a CD-ROM. Play a source whose signals can be reproduced by this
unit. —
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, then adjust the volume. 30
No sound from the
effect speakers. You are playing back the source or
program in stereo mode. Press one of the beam mode buttons on the remote
control to select a multi-channel playback mode, then
try to playback the source or program once more. 34
No sound from the
center speaker. The output level of the center speaker is
set to minimum. Raise the level of the center speaker. 48
No sound from the
surround speakers. The output level of the surround speakers
is set to minimum. Raise the output level of the surround speakers. 48
No sound from the
subwoofer. BASS OUT in SUBWOOFER SET is set
to FRONT when a Dolby Digital or DTS
signal is being played. Select SWFR or BOTH. 38
The source does not contain low bass
signals.