TROUBLESHOOTING
15
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En
gli
sh
No sound.
Headphones are connected.
(When headphones are connected, no sound comes from the
speakers or subwoofer.)
Disconnect headphones when you use the speakers or subwoofer.
-
Sound is muted.
Turn off the mute.
Incorrect cable connections.
Connect the stereo cable for audio units and the speaker wires properly. If
the problem persists, the cables may be defective.
Playback has been stopped on the connected component.
Turn the component on and start playback.
No appropriate input source has been selected.
Select an appropriate input source with the INPUT button on the front
panel (or the input selector buttons on the remote control).
The driver is not installed in the PC connected with the unit via
USB.
Before connecting a PC to this unit, install the driver on the PC.
The volume of the unit is set to the minimum.
Turn up the volume with the VOLUME control so that you can hear
sound.
The unit cannot be turned off.
The internal microprocessor is frozen due to an external electronic
shock (lightning, excessive static electricity, etc.) or decrease in the
power supply voltage.
Press the power button on the front panel of the unit for 10 seconds or
more to restart the unit (If the problem persists, unplug the power cable
and after about 30 seconds, then plug it back in again).
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Only the speaker on one side can be
heard.
Incorrect cable connections.
Connect the cables properly. If the problem persists, the cables may be
defective.
Incorrect setting for the BALANCE control.
Set the BALANCE control to the appropriate position.
There is a lack of bass and no ambience.
(When a subwoofer is connected.)
The subwoofer is not properly connected.
Connect the cables properly. If the problem persists, the setting for the
subwoofer may be incorrect.
The + and – wires are connected in reverse at the amplifier or the
speakers.
Connect the speaker wires to the c and – phase.
Incorrect setting for the BASS control.
Set the BASS control to the appropriate position.
A “humming” sound can be heard.
Incorrect cable connections.
Connect the audio plugs firmly. If the problem persists, the cables may be
defective.
The sound level is low.
The volume of the unit is set to a low level.
Turn up the volume with the VOLUME control so that you can hear
sound.
The volume of the PC connected with the unit via USB is set to a
low level.
Turn up the volume of the PC.
-
The BASS, TREBLE, and BALANCE
controls does not work.
The PURE DIRECT function is turned on.
Turn off the PURE DIRECT function.
The connected PC does not recognize this
unit.
The operating system of the PC is not supported.
Use a PC with an operation-guaranteed operating system.
Improper USB cable connection.
Connect the USB cable properly.
The output of the PC or application is muted.
Cancel the sound muting of the PC or application.
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Problem
Cause
Solution
See page
