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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 power cord and contact the
nearest authorized YAMAHA dealer or service center.
• General
This unit fails to turn on when
STANDBY/ON is pressed, or enters
the standby mode soon after the
power has been turned on.
See
Problem Cause Remedy
page
21
This unit suddenly enters the
standby mode.
No sound
The sound suddenly goes_f.
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 lighming
and strong static electricity).
Tile 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
connection s.
Connect the power supply cable firmly to
the AC wall outlet.
Set this unit to the standby mode,
disconnect the power cable, plug it back
in after 3(}seconds, then use it normally.
Wait about 1 hour for this unit to cool
down and then mrn it back on.
Turn on the power, and play the source
again.
Connect the cables properly. If the 14
problem persists, the cables may be
deli:ctive.
No appropriate input source has been Select an appropriate input source with 37
selected. INPUT or the input selector buttons.
The volume is turned down. Turn up the volume. 38
The sound is muted. Press MUTE or VOLUME +_ on the 39
remote control to resume audio otltpllt
and then a(!just the volume level.
Play a source whose signals call be
reproduced by this unit.
Change the system settings of the source
COlllponent.
Turn on the power, and play the source
again.
Press MUTE or VOLUME +_ on Ihe 39
remote control to rcs/ime audio otltpllt
and then a({just the volume level.
Press one of the beam mode buttons on 40
the remote control to select a multi-
channel playback mode and then try to
play back the source or program once
more.
Signals this unit cannot reproduce (such
as PCM signals with more than 96 kHz
of sampling frequency) are being
received frollla source component.
The sleep timer has turned the unit off.
The sound is muted.
No sound from the effect You are playing back the source or
speakers, program in the stereo mode.
No sound from the center speaker. The output level of the center speaker is Raise the level of the center speaker. 78
set to minin/tlllL
No sound from the surround The output level of the surround speakers Raise the output level of the surround 78
speakers, is set to minimum, speakers.
No sound from the subwoofer. Select SWFR or BOTH. 70BASS 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.
87
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