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Troubleshooting
Refer to the table below if this unit does not function properly. If the instructions below do not help, or if the problem you
are experiencing is not listed below, turn off the unit, disconnect the power plug, and contact the nearest authorized
Yamaha dealer or service center.
Problem
Power does not turn on.
The A (Power) indicator
on the front panel
flashes.
When the unit is
powered on, the INPUT
indicator flashes and
the volume level
decreases.
No sound is heard.
The sound is suddenly
muted.
The volume level
cannot be adjusted.
Only one channel
speaker can be heard.
Cause
The power cable is not connected to
the AC IN connector on the rear panel
or is not plugged into an AC outlet.
The unit has been exposed to a
strong external electric shock (such as
lightning or strong static electricity).
The protection circuitry has been
activated because of a short circuit,
etc.
There is a problem with the internal
circuitries of this unit.
The protection circuitry has been
activated because of a short circuit,
etc.
Incorrect input or output cable
connections.
No appropriate input source has been
selected.
The SPEAKERS selector is set to OFF.
The speaker cables are not connected
properly.
The protection circuitry has been
activated because of a short circuit,
etc.
MAIN DIRECT is selected as the input
source.
The playback component or speakers
are not connected properly.
The volume level balance between
the left and right speakers is not
adjusted properly.
Remedy
Connect the power cable firmly.
Turn off the unit, disconnect the power plug from
the AC outlet, wait for about 30 seconds, and then
plug the unit in again.
Make sure that the speaker wires are not touching
each other or shorting out against the rear panel of
the unit, and then turn on the power to the unit.
Disconnect the power plug from the AC outlet and
contact the nearest authorized Yamaha dealer or
service.
Make sure that the speaker wires are not touching
each other or shorting out against the rear panel of
the unit, and then turn on the power to the unit.
Connect the cables properly. If the problem
persists, the cables might be defective.
Select an appropriate input source using the INPUT
selector on the front panel (or one of the input
selector keys on the remote control).
Set the SPEAKERS selector to the appropriate
position.
Make sure that the speaker cables are connected
properly.
Make sure that the speaker wires are not touching
each other or shorting out against the rear panel of
the unit, and then turn on the power to the unit.
Adjust the volume level on the connected
component.
Alternatively, connect the external component to a
pair of the input jacks other than the MAIN IN jacks,
and then select the corresponding input source.
Make sure that they are connected properly. If the
problem persists, the cables might be defective.
Adjust the volume level balance between the left
and right speakers properly using the BALANCE
control.
See
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