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...

Portable Headphone Amplifier
PHA-3
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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Copyright  2014 Sony  Corporation
Help Guide
How  to Use
87  

Portable Headphone Amplifier
PHA-3
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...

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...

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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Copyright  2014 Sony  Corporation
Help Guide
How  to Use
90  

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...

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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Copyright  2014 Sony  Corporation
Help Guide
Troubleshooting
92  

Portable Headphone Amplifier
PHA-3
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...

Portable Headphone Amplifier
PHA-3
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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Copyright  2014 Sony  Corporation
Help Guide
Troubleshooting
94  

Portable Headphone Amplifier
PHA-3
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...