Sony Pha3 Owners Manual

							Portable Headphone Amplifier
PHA-3
Compatible operating systems  (Mac)
Supporting  Operating Systems
Mac OS  X (v10.6.8 or later)
CPU
Intel Core 2 Processor  1.6 GHz or higher
Memory
1 GB  or higher
USB
USB port  (USB 2.0 High Speed)
One of the above  OS  needs  to be installed to the computer at the factory.
The  headphone  amplifier is  not guaranteed to operate with all  computers.
The  headphone  amplifier is  not guaranteed to operate with home  built computers,  operating systems that are
personally upgraded,  or multiple  operating systems.
The  headphone  amplifier is  not guaranteed to operate with functions  such as standby, sleep, or hibernation  on any
computer.
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							Portable Headphone Amplifier
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Compatible balanced connection headphones
Supporting models  (as of July 2014)
For the latest compatible models,  access the following URL:
http://www.sony.com/support/
MDR-Z7
XBA -Z5
MDR-1A*
XBA -H3*
*The balanced- connection headphone  cable  (MUC- S20BL1/MUC- M20BL1) (sold  separately)  is required to connect MDR- 1A and
XBA - H3.
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							Portable Headphone Amplifier
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Precautions
On Safety
Do not put weight or pressure on the headphone  amplifier as it may cause the headphone  amplifier to deform during
long storage.
Do not drop  the headphone  amplifier or subject it to external shock, as it may cause a malfunction.
Clean the headphone  amplifier with a soft dry cloth.
If there is  noise while listening to the radio,  etc., move  the headphone  amplifier farther away from the connected
device.
On placement
Do not place the headphone  amplifier in a location  where  it is:
Subject to extremely 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.
On charging
When the headphone  amplifier is  stored for a long period, to prevent excessive discharge, charge the headphone
amplifier every  half year  or so.
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							Portable Headphone Amplifier
PHA-3
Trademarks
“WALKMAN”  and “WALKMAN”  logo are  registered  trademarks  of Sony Corporation.
“Xperia” and “Xperia  Tablet” are  registered  trademarks  of Sony Mobile  Communications  AB.
iPad, iPhone, iPod, iPod  classic, iPod  nano,  iPod  touch,  and Retina are  trademarks  of Apple Inc., registered  in the
U.S.  and other countries. iPad  Air, and iPad  mini are  trademarks  of Apple Inc.
“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, ™ and ® marks  are  not specified.
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							Portable Headphone Amplifier
PHA-3
Customer  support  websites
http://www.sony.com/support/
Access  the support website to get the information  about  the supported  models,  software update or troubleshooting, etc.
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							Portable Headphone Amplifier
PHA-3
What  can  I  do to solve  a problem ?
The headphone  amplifier may become warm during  use. This is  not a malfunction.
If the headphone  amplifier does not function  as expected,  try the following steps to resolve the
issue.
Find  the symptoms of the issue in this Help Guide,  and try any corrective actions listed.
Look up information  on the issue on the customer support website.
If the operations above  do not work, consult your  nearest Sony dealer.
Related Topic
Customer  support websites
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							Portable Headphone Amplifier
PHA-3
Unable to turn on the headphone  amplifier/The battery life  becomes short.
Charge the battery of the headphone  amplifier.
When the battery life is  reduced to half, the battery is  approaching  the end of its service life. Consult your  nearest
Sony dealer for replacement.
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							Portable Headphone Amplifier
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Unable to charge the battery.
Turn off the headphone  amplifier and charge the battery again.
Check that the headphone  amplifier and your  computer are  firmly connected using the micro -USB cable (supplied).
Check that the computer is  turned on and not in standby, sleep or hibernation  mode.
Check that the headphone  amplifier and the computer are  directly connected, and not via a USB hub.
Try  the USB connection procedure  again  in cases other than  those  stated  above.
The  USB port  of the connected computer may have a problem. Connect  the headphone  amplifier to another USB port
of the computer if available.
A USB AC adaptor that is  not recommended is  being  used.
Connect  your  computer or a USB AC adaptor to the DC  IN 5V  port  of the headphone  amplifier.
The  battery is  fully charged.
If the battery is  fully charged, the POWER/CHG indicator may blink in red  and go off, and charging may not start.  This
is  not a malfunction.
If the headphone  amplifier had not been  used for a long time, it may take a while to light up the POWER/CHG
indicator in red  when the headphone  amplifier is  connected to your  computer or an AC outlet  to charge the battery. In
this case, do not disconnect the micro -USB cable from the headphone  amplifier, and wait until the POWER/CHG
indicator lights up in red.
When Windows 8.1 is  used for your  computer,  update your  system to the latest version  by Windows update.
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							Portable Headphone Amplifier
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Charging time is too long.
Check that the headphone  amplifier and the computer are  directly connected, not via a USB hub.
A cable that is  not supplied  is  used.
A USB AC adaptor that is  not recommended is  used.
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							Portable Headphone Amplifier
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There  is no sound.
Check that the headphone  amplifier and the audio  device are  connected correctly.
Check that the connected device is  turned on.
Check that the headphone  amplifier is  turned on.
If the POWER/CHG indicator does not light up in green, charge the battery. When you charge the battery, turn  the
headphone  amplifier off beforehand.
Check that the INPUT select switch is  in the correct position  for the connected audio  device.
Check that the OUTPUT select switch is  in the correct position  for the output jack.
Turn up the volume  of the connected device.
Turn up the volume  of the headphone  amplifier.
Connect  the headphone  plug firmly to the headphone  amplifier.
Check that the headphone  amplifier, amplifier and active speaker are  connected correctly.
Check that the connected headphones  are  stereo, not monaural.  
The  headphone  amplifier does not support monaural headphones. Do not connect  monaural headphones. It may
cause a malfunction.
When the headphone  amplifier is  connected to your  computer,  see “When  connecting to a computer,  there is  no
sound  or the sound  is  not played  back properly.”
Sound will be output from the  (headphones) BALANCED L/R jack when the  (headphones) NORMAL jack and
the 
 (headphones) BALANCED L/R jack are  used simultaneously and the digital signal is  transmitting to the
headphone  amplifier.
Sound will be output from the  (headphones) NORMAL jack when the signal is  transmitting to the headphone
amplifier via the AUDIO IN/LINE  OUT jack.
The  headphone  amplifier is  only compatible with the PCM  digital signal as optical signals. Other  optical signals such
as 7.1 ch. etc, will not be output from the headphone  amplifier.
Related Topic
When connecting to a  computer, there is no sound or the  sound is not  played  back properly.
Summary of settings and connections
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