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Troubleshooting
MQA (Master Quality Authenticated)
If you experience a problem with the unit, please take a moment to
review the following information before requesting service. If it still
does not operate correctly, contact the retailer where you purchased
the unit.
General
The unit does not turn on.
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Check that the power cord is completely plugged into the
power outlet. If the outlet is switched, confirm that the switch
is in the ON position.
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Connect a different electrical device to the outlet to confirm
that it is supplying power.
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If the automatic power saving function has caused the unit to
enter standby, press the remote control STANDBY/ON button
to turn the unit on again.
No sound is output.
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If a stereo amplifier is connected to this unit, adjust its volume.
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If you are using headphones connected to this unit, use the
VOLUME knob to adjust the volume.
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Use the SOURCE knob to select the input that is connected to
the source that you want to hear.
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Reconfirm the connections with other equipment.
There is a humming noise.
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If a connecting cable is near a power cord, fluorescent light or
similar cause of interference, increase the distance between
them as much as possible.
There is no sound from one side of the headphones.
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Confirm that the headphones plug is inserted completely.
Clock sync
The CLOCK indicator does not stop blinking.
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Set clock synchronization to OFF when not using it.
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Synchronization with the clock signal being input might not
be possible. Check the connections of the clock sync connec-
tors and the settings of the connected device.
MQA is an award-winning British technology that delivers the sound
of the original master recording. The master MQA file is fully authen-
ticated and is small enough to stream or download.
Visit mqa.co.uk for more information.
The NT-505-X includes MQA technology, which enables you to play
back MQA audio files and streams, delivering the sound of the origi-
nal master recording.
‘MQA’ or ‘MQA.’ indicates that the product is decoding and playing
an MQA stream or file, and denotes provenance to ensure that the
sound is identical to that of the source material. ‘‘MQA.” indicates it is
playing an MQA Studio file, which has either been approved in the
studio by the artist/producer or has been verified by the copyright
owner.
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This unit can decode MQA streams and files only when the play-
back source is NET.
Display example during MQA playback
NET
PCM
352.8k
MQA
Original sampling frequency
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