ADDITIONAL INFORMATION
Refer to the chart below if this unit does not function properly. If the problem you are experiencing is not listed below or
if the instructions below do not help, set this unit to standby mode, disconnect the power cable, and contact the nearest
authorized Yamaha dealer or service center.
■ General
Problem
The power does not
turn on.
The power does not
turn off.
No sound
The sound suddenly
goes off.
Only the speaker on
one side can be
heard.
38
En
Troubleshooting
Cause
The protection circuitry has been activated
three times consecutively. If the unit is in
this condition, the standby indicator on the
unit blinks when you try to turn on the
power.
The power cable is not connected or the
plug is not completely inserted.
The protection circuitry has been activated
because of a short circuit, etc.
This unit has been exposed to a strong
external electric shock (such as lightning
or strong static electricity).
The internal microcomputer has frozen,
due to an external electric shock (such as
lightning or excessive static electricity) or
to a drop in the power supply voltage.
Incorrect input or output cable
connections.
No appropriate input source has been
selected.
The SPEAKERS A/B switches are not set
properly.
Speaker connections are not secure.
Output has been muted.
The Max volume or Initial volume setting
is set too low.
The component corresponding to the
selected input source is turned off or is not
playing.
The audio output of a device connected to a
digital audio input (COAXIAL/OPTICAL
jacks) is set to other than PCM.
The protection circuitry has been activated
because of a short circuit, etc.
This unit has become too hot.
The auto power standby function has
turned this unit off.
Incorrect cable connections.
Incorrect setting for the speaker balance.
Remedy
As a safety precaution, capability to turn on the power
is disabled. Contact your nearest Yamaha dealer or
service center to request repair.
Connect the power cable firmly.
Check that the speaker wires are not touching each
other and then turn the power of this unit back on.
Set this unit to standby mode, disconnect the power
cable, plug it back in after 30 seconds, then use it
normally.
Hold down A (power) on the front panel for more
than 15 seconds to initialize and reboot the unit. (If
the problem persists, disconnect the power cable from
the AC wall outlet and plug it again.)
Connect the cables properly. If the problem persists,
the cables may be defective.
Select an appropriate input source with the INPUT
selector on the front panel (or one of the input
selection key on the remote control).
Turn on the corresponding SPEAKERS A or
SPEAKERS B.
Secure the connections.
Turn off the mute.
Set the setting to a higher value.
Turn the component on and make sure it is playing.
Set the audio output of the connected device to PCM.
Set the speaker impedance to match your speakers.
Check that the speaker wires are not touching each
other and then turn the power of this unit back on.
Make sure the openings on the top panel are not
blocked.
Change the auto power standby ("AutoPowerStdby"
in the "Option" menu) to a longer setting or turn off.
Connect the cables properly. If the problem persists,
the cables may be defective.
Set the speaker balance to the appropriate position in
the "Setup" menu.
See
page
—
—
10
—
—
10
16
16
10
8
35
—
—
11
10
—
32
10
17