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Other devices
Fastening the Audio Device to the Unit
You can enjoy listening to audio devices, including smartphones and
portable music players, with the unit. Before connecting, turn down the
You can fasten a connected device to the unit using the silicone belts
volume on the device and turn off the unit.
(supplied).
1
Connect the audio device to the unit, using the audio
How to use the silicone belts (supplied)
cable (stereo mini) (supplied).
Mount the connected device on the unit. Insert the lugs of the silicone
This unit
belts into the slots on one side of the unit. Pull the belts over and insert
the lugs in the slots on the other side, as shown below. (There are 4
silicone belts supplied.)
Other device
Audio cable (stereo mini) (supplied)
2
Set the input select switch to AUDIO IN.
Tip
If the audio device does not mount on the rubber rails of the unit, insert the
3
Turn on the connected audio device.
protection sheet (supplied) between this unit and the audio device, to reduce
scratching.
Notes
If you connect the unit via a device with a built-in radio or tuner, broadcasts may not
Notes
Sony is not liable for damage to an audio device caused by using the silicone belts.
be received, or sensitivity may be reduced significantly.
If there is noise in broadcasts, locate the unit farther away from the connected
The silicone belts are not guaranteed to fasten all audio devices.
device and check whether reception improves.
If you are listening to music too loudly, the battery may drain even if the unit is
connected to a computer, or an AC outlet using the recommended USB AC adaptor
Troubleshooting
(optional).
If the battery level is too low, the unit may not turn on even when connected to a
computer, or an AC outlet using the recommended USB AC adaptor (optional). In
If you run into any problems using this unit, use the following checklist
this case, charge the unit. For details, see "Charging the unit."
and read the product support information on our website. Should any
problem persist, consult your nearest Sony dealer.
No sound
Listening to Music
Check that the unit and the audio device are connected correctly.
Check that the connected device is turned on.
Check that the unit is turned on.
Check that the input select switch is in the correct position for the
Turn up the volume of the connected device.
Turn up the volume of the unit.
If the POWER indicator does not light up, charge the battery.
Connect the headphone plug firmly to the unit.
Check that the connected headphones are stereo, not monaural.
When connected to a computer, there is no sound or the sound is
not played back properly.
1
Connect the headphones to the unit.
Turn up the volume of your computer or software.
If the unit was connected to the computer while using audio
Notes
Connect the stereo mini plug to the unit.
This unit does not support monaural headphones, headphones with a remote
If the computer enters standby, sleep or hibernation mode, while
control, or headsets with a microphone.
2
Connect an audio device to the unit.
For details, see "Connecting to the Audio Device."
Check that the sound device settings of your computer are correct.
For Windows 7/Windows Vista
3
Rotate the power/volume knob clockwise to turn on the
unit.
The POWER indicator lights up. Rotate the power/volume knob
clockwise further to turn up the volume. The POWER indicator lights
For Windows XP
up green when the unit is turned on. When the battery level is low,
the POWER indicator lights up orange.
Note
When the unit is connected to a computer for the first time, it may take a while
For Macintosh
to recognize the unit.
4
Start playback on the connected audio device.
5
Adjust the volume.
The volume control of your computer or the audio playback
Adjust the volume by the power/volume knob. Depending on the
headphones, the volume may remain low, even if you turn the
The computer does not recognize the unit as a USB device. Restart
volume up to the max.
In this case, turn off the unit, set the GAIN select switch to HIGH, then
The CD-ROM drive does not support the digital reproduction
turn on the unit. In normal use, the setting should be LOW. For
details, see "To set the GAIN according to the headphones."
Tip
Digitally broadcast sound may not be output from a computer's USB
When connecting a device such as a smartphone or portable audio player,
adjust the volume on the connected device beforehand. Depending on the
device, audio output settings may be required.
Low sound
To set the GAIN according to the headphones
Turn up the volume of the connected device.
You can set the GAIN select switch according to the connected
Turn up the volume of the unit
headphones (default: LOW).
When using high-impedance headphones, set the GAIN select
To change the GAIN setting, turn off the unit and set the GAIN select
switch to HIGH.
Use headphones that have a stereo mini plug. The unit supports
The unit does not turn on.
Charge the battery of the unit.
When battery life reduces to half, the battery is approaching the end
Distorted sound
If the audio device is connected to the AUDIO IN jack of the unit,
Set the equalizer setting of the connected device to off.
Charge the battery of the unit.
The battery cannot be charged.
Check that the unit and your computer are firmly connected using
Check that the computer is turned on and not in standby, sleep or
Check that the unit and the computer are directly connected, and
Try the USB connection procedure again in cases other than those
The USB port of the connected computer may have a problem.
A USB AC adaptor that is not recommended is being used.
The unit is turned on.
Charging methods that are not supported may not be possible.
The battery is fully charged.
If the battery is fully charged, the CHG (charge) indicator (red) may
blink and go off, and the charging may not be started. This is not a
malfunction. For details, see "Charging the Unit."
If the unit is not used for a long time, the CHG (charge) indicator
may take a while to light up red when you connect it to your
computer. In this case, do not disconnect the micro-USB cable from
the unit, and wait until the CHG (charge) indicator lights up red.
Charging time is too long.
Check that the unit and the computer are directly connected, not
via a USB hub.
The cable which is not supplied is used.
A USB AC adaptor that is not recommended is being used.
Noise is generated.
When connecting an audio device to the AUDIO IN jack of the unit,
adjust the volume of the connected device, then turn up the
volume of the unit.
Keep the computer away from the unit.
Restart the audio playback software.
Turn off the connected audio device, then turn on it again.
Sound is interrupted when connecting to the computer.
The CPU of your computer is overloaded. Exit other applications.
Other USB devices are connected to your computer and being used
simultaneously. Quit operating other USB devices.
The remote control of the headset does not work.
Remote control operation is not supported by this unit.
The microphone of the headset does not work.
Headset microphones are not supported by this unit.
A connected radio or TV cannot receive a signal/ Noise is generated.
Keep the connected device away from the unit.
connected audio device.
The unit does not support the monaural headphones. Do not
connect monaural headphones. It may cause a malfunction.
playback software, restart the audio playback software.
the music is played back by using the audio playback software,
restart the audio playback software.
Click the [Start] menu, select [Control Panel], [Hardware and
Sound], [Sound], [Playback] tab, select [PHA-1] for the playback
device, then click [Set default].
Click the [start] menu, select [Control Panel], [Sounds, Speech and
Audio Devices], [Sounds and Audio Devices], [Audio] tab, then
select [PHA-1] for [Default device] in the Sound playback menu.
Click the [Apple] menu, select [System Preferences], [Sound],
[Output] tab, then select [PHA-1] for [Select a device for sound
output].
software is set to suppress the sound. Cancel the setting.
your computer.
function. Use a CD-ROM drive that supports the digital reproduction
function.
port. In this case, connect the AUDIO IN jack of the unit to the
analog audio output of the computer.
switch to HIGH.
headphones that have a stereo mini plug. If you use headphones/
headset with a remote control or microphone, there may be low
sound or no sound.
of its service life. Consult your nearest Sony dealer for replacement.
turn down the volume of the connected device.
the micro-USB cable (supplied).
hibernation mode.
not via a USB hub.
stated above.
Connect the unit to another USB port of the computer if available.
Precautions
On Safety
Do not put weight or pressure on this unit as it may cause the unit to deform during
long storage.
Do not drop the unit or subject it to external shock, as it may cause a malfunction.
Clean the unit with a soft dry cloth.
If there is noise while listening to the radio, etc., move the unit farther away from the
connected device.
On placement
Do not place the unit in a location where it is:
–
Subject to extreme high temperature (such as in a car with its windows closed).
–
Subject to direct sunlight or near a heat source.
–
Subject to mechanical vibration or shock.
–
Subject to a magnetic field.
(such as near a magnet, speaker or TV).
–
Subject to excessive dust.
Specifications
Frequency range
Included items
10 Hz – 100 kHz (AUDIO IN input)
PHA-1 (this unit) (1)
Distortion 0.01% or less (1 kHz)
30pin-USB cable (1)
Audio cable for "WALKMAN" (1)
Supported impedance
Micro-USB cable (1)
8 Ω - 600 Ω
Stereo mini cable (1)
Maximum input
Silicone belt (4)
1 Vrms (AUDIO IN)
Protection sheet (1)
Maximum output (when using
Operating Instructions (this manual) (1)
the built-in lithium-ion
Recommended accessory
rechargeable battery)
USB AC adaptor: AC-UD20 (optional)
Approx. 175 mW + 175 mW
Operating environment
(8 Ω, 10 % distortion)
Compliant OS:
Approx. 26 mW + 26 mW
Windows 7
(300 Ω, 10 % distortion)
Starter (SP1 or later)/Home Basic (SP1 or
later)/Home Premium (SP1 or later)/
Audio output
Professional (SP1 or later)/Ultimate (SP1 or
Stereo mini jack
later)
(Only a 3-pole stereo mini plug is
Windows Vista
supported. Other plugs, including 2-pole
Home Basic (SP2 or later)/Home Premium
mini plug or 4-pole stereo mini plug, are
(SP2 or later)/Business (SP2 or later)/
not supported.)
Ultimate (SP2 or later)
Audio input
Windows XP
Stereo mini jack
Home Edition (SP3 or later)/ Professional
Micro-USB (type B)
(SP3 or later)/Media Center Edition 2004
Dedicated connector for iPod/iPhone/iPad
(SP3 or later)/ Media Center Edition 2005
Operating temperature
(SP3 or later)
0 °C to 40 °C
Mac OS X (10.5.8 or later)
CPU: Pentium II 266 MHz or better
Charging temperature
USB port (USB 2.0 Full Speed).
5 °C to 35 °C
The unit is not guaranteed to operate
Power source
with all computers.
DC 3.7 V built-in lithium-ion rechargeable
The unit is not guaranteed to operate
battery
with home built computers, operating
Battery life*
1
systems that are personally upgraded,
AUDIO IN: Approx. 10 hours*
1
or multiple operating systems.
iPod/iPhone/iPad: Approx. 5 hours*
1
The unit is not guaranteed to operate
with functions such as system suspend,
Charging time
sleep, or hibernation, on any computer.
2
Approx. 4.5 hours*
*
1
when using the unit at 1 mW + 1 mW
output (24 Ω). Time may vary,
Design and specifications are subject to
depending on the immediate
change without notice.
environment or conditions of use.
*
2
Time required for empty battery to
recharge.
Dimensions
Approx. 67 mm × 26 mm × 130 mm
(2
3
/
× 1
1
/
× 5
1
/
in)
4
16
8
(w/h/d, projecting parts are not included)
Mass
Approx. 220 g (8 oz)
Supported sampling
frequencies/bit
USB input: Maximum 96 kHz/24 bit
Trademark Notices
"WALKMAN" and "WALKMAN" logo are registered trademarks of Sony Corporation.
iPad, iPhone, iPod, iPod classic, iPod nano, and iPod touch are trademarks of Apple
Inc., registered in the U.S. and other countries.
"Made for iPod," "Made for iPhone," and "Made for iPad" mean that an electronic
accessory has been designed to connect specifically to iPod, iPhone or iPad,
respectively, and has been certified by the developer to meet Apple performance
standards. Apple is not responsible for the operation of this device or its compliance
with safety and regulatory standards. Please note that the use of this accessory with
iPod, iPhone or iPad may affect wireless performance.
Macintosh and Mac OS are trademarks of Apple Inc., registered in the U.S. and other
countries.
Microsoft, Windows and Windows Vista are registered trademarks or trademarks of
Microsoft Corporation in the United States and/or other countries.
All other trademarks and registered trademarks are trademarks or registered
trademarks of their respective holders. In this manual, TM and ® marks are not
specified.
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