Notes about the protection circuits
This unit has an overload protection circuit, an overheating protec-
tion circuit and a DC voltage protection circuit built-in.
When an abnormality is detected, the power indicator will blink red
repeatedly in a pattern as shown below. Then the protection circuit
will activate and the unit will enter standby mode.
Overload detected
DC detected
Left channel overheating detected
Right channel overheating detected
Left and right channel overheating detected
Countermeasures
Overload detected
A short might have occurred with the +/− speaker cables.
Disconnect the power cord and check the connections with the
speakers.
Left channel overheating detected
Right channel overheating detected
Left and right channel overheating detected
The internal temperature has become high. Turn the power off and
wait a while until the temperature has cooled down or improve the
installation conditions to increase the ventilation.
DC detected
Since an internal circuit might be malfunctioning, disconnect the
power cord and contact the retailer where you purchased the
unit.
If the indicator continues to blink even after likely causes have been
eliminated, contact the store where you purchased the unit.
16
Troubleshooting
If you experience a problem with this product, please take a moment
to review the following information before requesting service.
If this product still does not operate correctly, contact the retailer
where you purchased it.
The unit does not turn on.
e Insert the power plug into an outlet.
Standby mode starts automatically.
e The automatic power saving function is operating to put the
unit into standby.
Press the STANDBY/ON button on the main unit to turn it on.
e Change the automatic power saving setting if necessary
(page 9).
No sound is output.
e Turn this unit on.
e Confirm that the preamplifier is on. Before turning the pream-
plifier on, put this unit into standby.
e Confirm that a signal is being output from the preamplifier.
e Check the connections between this unit, the preamplifier and
the speaker, as well as between the audio source device and
the preamplifier.
e Confirm that the correct input is selected on the preamplifier.
e Confirm that the correct input is selected on this unit.
e Raise the preamplifier volume.
The power indicator repeatedly blinks red in an irregular
pattern.
e A protection circuit is active. Put the unit into standby and
eliminate the cause (page 16).
The stereo sound position is irregular.
e Check that neither of the speakers has a connection cable with
+/− reversed.