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TROUBLESHOOTING
108
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 remedy explanation does not help, set this unit to the standby mode, disconnect the power cord, and
contact your nearest authorized YAMAHA dealer or service center.
■ General
TROUBLESHOOTING
Problem Cause Remedy
Refer to
page
This unit fails to turn
on when STANDBY/
ON (or SYSTEM
POWER) is pressed,
or enters the standby
mode soon after the
power has been
turned on.
The power cord is not connected or the
plug is not inserted properly.
Connect the power cord firmly.
—
The impedance setting is incorrect. Set the impedance to match your speakers.
28
The protection circuitry has been
activated.
Make sure all speaker wire connections on this unit
and all speakers are secure, and that the connection
wires are not touching anything other than their
respective connections.
13—15
This unit has been exposed to a strong
external electric shock (such as lightning
or strong static electricity).
Set this unit in the standby mode, disconnect the
power cord, plug it back in after 30 seconds, then use
it as normal.
—
No sound The input or output cable connections are
incorrect.
Connect the cables properly. If the problem persists,
the cables may be defective.
17—26
The optimizer microphone is connected. Disconnect the optimizer microphone.
31
The input mode setting is incorrect. Select a different input mode.
44
No appropriate input source has been
selected.
Select an appropriate input source using INPUT
SELECTOR, MULTI CH INPUT or the input selector
buttons.
37
Speaker connections are not secure. Secure the connections.
13
The front speakers have not been selected
properly.
Select the front speakers you want to use with
SPEAKERS A and/or B.
37
The volume is turned down. Turn up the volume.
—
The sound is muted. Press MUTE or any operation button on this unit to
cancel mute and adjust the volume.
38
The signals this unit cannot reproduce are
being received from a source component
e.g.: a CD-ROM.
Play a source whose signals this unit can reproduce.
—
00EN.00_DSPZ9_GB.book Page 108 Thursday, November 13, 2003 10:55 AM