50
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 cord, and
contact the nearest authorized YAMAHA dealer or service center.
■
General
Problem
This unit fails to turn
on when STANDBY/
ON (or POWER) is
pressed, or enters in
the standby mode
soon after the power
has been turned on.
No sound.
Cause
The power cord is not connected or the
plug is not completely inserted.
The IMPEDANCE SELECTOR switch
on the rear panel is not fully set to either
the left or right position.
The protection circuitry has been
activated.
This unit has been exposed to a strong
external electric shock (such as lightning
and strong static electricity).
Incorrect input or output cable
connections.
An appropriate input source has not been
selected.
The speaker connections are not secure.
The volume is turned down.
The sound is muted.
Digital signals which this unit cannot
reproduce are being input to this unit by
playing a CD-ROM, etc.
Remedy
Firmly connect the power cord.
Set the switch fully to the left or right position when
this unit is in the standby mode.
Make sure all speaker wire connections on this unit
and on all speakers are secure and that the wire for
each connection does not touch anything other than
its respective connection.
Set this unit in the standby mode, disconnect the
power cord, plug it back in after 30 seconds, then
start operating.
Connect the cables properly. If the problem persists,
the cables may be defective.
Select an appropriate input source with INPUT
l
/
h
or 6CH INPUT (or the input selector buttons).
Secure the connections.
Turn up the volume.
Press MUTE or any operation buttons of this unit to
cancel a mute and adjust the volume.
Play a source whose signals this unit can reproduce.
Refer
to page
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23
10, 11
24
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0110V430_50-56_EN(GB)
1/19/02, 8:06 PM
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