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Additional Information; Troubleshooting - Pioneer u-05-s Operating Instructions Manual

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Additional information


If you think something is wrong with the unit, perform the checks listed here. Often, a minor error in operation may be
mistaken for a malfunction. In addition, the symptom may have been caused by other nearby devices, so checks should
also be made of components being used concurrently. If the following checks do not remedy the problem, consult the store
where you purchased the unit, or your nearest Pioneer service station.
• Static electricity and other environmental factors may cause the unit to operate erratically. In such cases, the problem
may be rectified by disconnecting the power plug, then plugging it in again. If this does not remedy the problem, consult
the store where you purchased the unit, or your nearest Pioneer service station.
Power turns off by itself.
Auto power down is set (ON).
No sound is produced even
The input connection is wrong.
after selecting the input.
The MUTE function has been enabled.
Sound is set too low.
The output selector has not been set.
Noise is audible even when no
Noise may result from the power source itself.
input is connected.
Sound is interrupted or has
The lock range setting is too narrow.
Depending on the device connected, the sound
may experience dropouts when Up Sampling is
used to raise the sampling frequency.
No sound is produced when
The digital connection is incorrect.
using a digital input.
When connected to a CD player or other device
equipped with a digital output adjustment
function, the digital output is set too low.
The output device's digital format is not supported.
Digital inputs above 96
Some coaxial and optical digital cables may not
kHz produce no sound, or
transmit the output signal properly.
intermittent sound.
Remote control doesn't work.
• The remote control's batteries are dead.
• The distance between the unit and the remote
control is too great.
• The angle between the unit and remote
control is too narrow.
• A physical obstacle blocks the signal path to
the unit.
• A fluorescent lamp or other strong light
source is shining into the unit's remote
Set auto power down to OFF (see page 10).
Check the input connection.
Press the remote control's MUTE button to
disable the MUTE function.
Adjust the sound volume.
Rotate the front-panel OUTPUT knob to change
the output mode. If the output is from the
analog output connector, choose LINE.
Check whether the unit is connected to the
same extension cord used to power a computer
or other digital appliance.
Except under normal usage conditions, audio
dropout caused by an excessively narrow
lock range setting falls beyond the range of
warranted operation. Widen the lock range
setting until the dropouts cease (see page 10).
Set the Up Sampling value to LOW; if dropouts
continue, set to OFF (see page 9).
Check the digital connector and make sure it is
connected properly.
Properly adjust the player's digital output
If the output device is set for any signal format
other than PCM (Dolby Digital, DTS, etc.),
change the setting to PCM.
Try using a different coaxial or optical digital
• Change the batteries.
• Operate the remote control within a distance
no more than 7 meters from the unit, and at
an angle within 30° to right or left of the unit's
• Remove the obstacle, or change the position
from which you operate the remote control.
• Move the lamp, or otherwise prevent strong
light from striking the sensor.
No sound is produced when
• The device chosen in the computer's settings
using a USB input.
is wrong.
• The MUTE setting has been selected in the
• Connections are not correct.
• The computer does not detect this unit.
File format, OS, or software is not supported.
The required driver has not been installed on
the computer.
The USB input sampling
Depending on the computer settings, even
frequency always remains the
if the playback files have different sampling
frequencies, they may all be converted to the
same frequency for output.
Non-musical computer sounds
Depending on the computer settings, the
from the USB input are
computer's boot signals and error beeps may
be played by this unit.
When using a source other
When using an input source other than USB,
than USB input, music files on
the computer does not recognize this unit.
the computer can't be played.
When using USB input,
The required driver has not been installed on
high fidelity music files (files
the computer.
exceeding 48 kHz/24 bit and
DSD files) cannot be played.
When using USB input, the
The sound volume for the OS or software
computer playback operation
application is set too low.
produces no sound.
The audio output for the OS has been set to
Multiple applications are open at once.
The audio output settings for the OS or
application have not been set properly.
• For more information, also consult the driver installation instructions found on the Pioneer website.
Check the computer's settings.
• If the unit is connected to the computer
before switching this unit to USB input, the
computer's sound settings may change to
select a different device. In this case, try
resetting to this unit.
• Check connections.
Recheck the supported OS, software, and file
sampling frequency.
A special driver may be required on the
computer. For details, consult the Pioneer
Check your computer settings.
Check your computer settings.
Switch to USB input and use the computer
sound settings to select this unit.
A special driver may be required on the
computer. For details, consult the Pioneer
Raise the volume setting.
Check the computer settings and be sure the
MUTE setting has been disabled.
Close all applications not in active use.
Select "Pioneer USB D/A Converter" for the
sound device.


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