Troubleshooting
Refer to the table below when the unit does not function properly. If the problem you are
experiencing is not listed below or if the instructions below do not help, turn off the unit,
disconnect the power cable, and contact the nearest authorized Yamaha dealer or
service center.
First, check the following:
A The power cables of the unit, TV and playback devices (such as BD players)
are connected to AC wall outlets securely.
B The unit, TV and playback devices (such as BD players) are turned on.
C The connectors of each cable are securely inserted in to jacks on each device.
Power and system
Problem
Cause
The power turns
The auto power standby function
worked.
off suddenly.
When the auto power standby
function is enabled and one of the
following conditions is met, the
unit will automatically turn off.
- No operation for 8 hours
- No audio input and no
operations for 20 minutes when
BLUETOOTH is selected as the
input source.
The internal microcomputer is
frozen, due to an external electric
shock (such as lightning or
excessive static electricity) or to a
drop in the power supply voltage.
The protection circuitry has been
activated. (The STATUS indicator
on the front panel of the unit
flashes.)
connection is
terminated on a
when the
is enabled.
18
Remedy
Turn on the unit again. To stop the unit
from turning off automatically, disable
the auto power standby function
(p.17).
Hold down
(power) on the front
panel of the unit for more than 10
seconds to reboot it. (If the problem
persists, disconnect the power cable
from the AC wall outlet and plug it
again.)
After confirming that all connections
are made properly, turn on the unit
again. If the power often suddenly
turns off, unplug the power cable from
the AC wall outlet and contact the
nearest authorized Yamaha dealer or
service center.
Disable the
standby mode
device
(p.13).
standby mode
The power
The protection circuitry has been
activated three times
cannot be turned
consecutively. (If you try to turn on
on.
the power in this condition, the
STATUS indicator flashes.)
The unit is not
The internal microcomputer is
frozen, due to an external electric
responding
shock (such as lightning or
correctly.
excessive static electricity) or to a
drop in the power supply voltage.
The unit
Another
device is being
operated nearby.
operates by
itself.
Audio
Problem
Cause
No sound.
Another input source is selected.
The mute function is activated.
The volume is too low.
No sound is
The volume of the subwoofer is
too low.
coming from the
subwoofer.
The playback source does not
contain low-frequency signals.
The volume
The automatic volume adjustment
function worked. To prevent
decreases when
excessive loudness, the unit
the unit is turned
automatically controls its volume
on.
within a certain level when the unit
is turned on.
To protect the product, the power
cannot be turned on. Unplug the
power cable from the AC wall outlet
and contact the nearest authorized
Yamaha dealer or service center.
Hold down
(power) on the front
panel of the unit for more than 10
seconds to reboot it. (If the problem
persists, disconnect the power cable
from the AC wall outlet and plug it
again.)
Terminate
connection of the
unit and connect the unit and device
again (p.13).
Remedy
Select an appropriate input source
(p.8).
Cancel the mute function (p.8).
Turn up the volume (p.8).
Turn up the volume of the subwoofer
(p.8).
--
If necessary, turn up the volume (p.8).