50
En
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
Troubleshooting
Problem
Cause
Remedy
See
page
The power does not
turn on.
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.
As a safety precaution, capability to turn on the power
is disabled. Contact your nearest Yamaha dealer or
service center to request repair.
—
The power cable is not connected or the
plug is not completely inserted.
Connect the power cable firmly.
—
The protection circuitry has been activated
because of a short circuit, etc.
Check that the speaker wires are not touching each
other and then turn the power of this unit back on.
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.
Turn OFF the
A
(Power) on the front panel and turn it
ON again after at least 15 seconds elapse. (If the
problem persists, disconnect the power cable from the
AC wall outlet and plug it again.)
—
The power does not
turn off.
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.
Turn OFF the
A
(Power) on the front panel and turn it
ON again after at least 15 seconds elapse. (If the
problem persists, disconnect the power cable from the
AC wall outlet and plug it again.)
—
No sound.
Incorrect input or output cable
connections.
Connect the cables properly. If the problem persists,
the cables may be defective.
No appropriate input source has been
selected.
Select an appropriate input source with the INPUT
selector on the front panel (or one of the input
selection key on the remote control).
The SPEAKERS A/B switches are not set
properly.
Turn on the corresponding SPEAKERS A or
SPEAKERS B.
Speaker connections are not secure.
Secure the connections.
Output has been muted.
Turn off the mute.
The Max volume or Initial volume setting
is set too low.
Check the settings for “Max Volume” and “Initial
Volume” in the “Setup” menu.
The component corresponding to the
selected input source is turned off or is not
playing.
Turn the component on and make sure it is playing.
—
The audio output of a device connected to
a digital audio input (COAXIAL/
OPTICAL jacks) is set to other than PCM.
Set the audio output of the connected device to PCM.
—
The sound suddenly
goes off.
The protection circuitry has been activated
because of a short circuit, etc.
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.
This unit has become too hot.
Make sure the openings on the top panel are not
blocked.
—
The auto power standby function has
turned this unit off.
Change the auto power standby (“AutoPowerStdby”
in the “Setup” menu) to turn off.
