Sony Walkman NWZA726 Operation Guide

							NWZ-A726 / A 728 / A729.GB.3-299-381-11(1)
Troubleshooting
Troubleshooting101 101 
Troubleshooting
If the player does not function as expected, try the following steps to resolve 
the issue.
1	 Find	the	symptoms	of	the	issue	in	the	following	troubleshooting	tables,	
and	try	any	corrective	actions	listed.
2	 Connect	the	player	to	your	computer	to	charge	the	battery.You may be able to resolve some issues by charging the battery.
3	 Press	the	RESET	button	with	a	small	pin,	etc.If you press the RESET button while operating the 
player, stored data and settings on the player may be 
deleted.
4	 Check	the	information	about	the	issue	in	the	Help	of	each	software.
5	 Look	for	information	about	the	issue	on	one	of	the	support	 Web	sites.
For customers in the USA, visit: http://www.sony.com/walkmansupport
For customers in Canada, visit: http://www.sony.ca/ElectronicsSupport/
For customers in Europe, visit: http://support.sony-europe.com/DNA
For customers in Latin America, visit: http://www.sony-latin.com/index.crp
For customers in other countries/regions, visit: http://www.sony-asia.com/support
For customers who purchased the overseas models, visit: 
http://www.sony.co.jp/overseas/support/
6	 If	the	approaches	listed	above	fail	to	resolve	the	issue,	consult	your	 nearest	Sony	dealer.
Continued   
						

							NWZ-A726 / A 728 / A729.GB.3-299-381-11(1)
Troubleshooting10 10 
Operation
SymptomCause/Remedy
There is no sound.
 
Th e volume level is set to zero.
  
T
 urn the volume up (
 page 10).
  
Th
 e headphone jack is not connected properly.
  
C
 onnect the headphone jack properly (
 page 
10).
  
Th
 e headphone plug is dirty.
  
C
 lean the headphone plug with a soft dry cloth.
  
N
 o songs or video files are stored on the player.
  
F
 ollow the instructions in the displayed message, 
and transfer songs or videos from the computer.
No data is played.  
Th
 e battery is consumed.
  
C
 harge the battery fully (
 page 21).
  
I
 f the player does not react, even after charging 
the battery, press the RESET button to reset the 
player (  page 101).
  
N
 o data is stored on the player.
  
F
 ollow the instructions in the displayed message, 
and transfer data from the computer.
  
T
 ransferred files are not in a playable format. For 
details, see “Supported file format” of 
“Specifications” (  page 126).
  
C
 onvert the ATRAC audio data using the 
supplied MP3 Conversion Tool.
  
S
 ongs or videos may not be played back, 
depending on the file format (  page 126).
  
P
 hotos may not be displayed, depending on the 
file size or the file format (  page 126).
  
Y
 ou are placing audio MP4 files in a video folder by 
dragging and dropping.
  
P
 lace them in the “MUSIC” folder by dragging 
and dropping.
  
Th
 e playback limitation period of the song has 
expired due to subscription conditions, etc.
  
S
 ongs with an expired playback limitation period 
cannot be played back. Update them using the 
software used for transferring.
  
A
 fter dragging and dropping in Windows Explorer, 
data hierarchy levels do not correspond to the player 
(   page 24).
Continued 
 
						

							NWZ-A726 / A 728 / A729.GB.3-299-381-11(1)
Troubleshooting10 10 
SymptomCause/Remedy
Transferred data is not 
displayed in its list.
 The maximum number of files that can be displayed is 
reached. The maximum number of files is 1,000 files 
for videos, 10,000 files for photos. Also, the maximum 
number of folders is 1,000 folders for photos in the 
photo folder list.

 
Delete unnecessary data.
  
D
 ata was placed in the wrong location by dragging 
and dropping.
  
P
 lace the data in the correct place by dragging 
and dropping (  page 24).
  
A
 vailable capacity is insufficient.
  
D
 elete unnecessary data to increase free space on 
the player.
  
A
 fter dragging and dropping in Windows Explorer, 
data hierarchy levels do not correspond to the player 
(   page 24).
  
T
 ransferred files are not in a playable format. For 
details, see “Supported file format” of 
“Specifications” (  page 126).
  
C
 onvert the ATRAC files using the supplied MP3 
Conversion Tool software. 
When “All Songs” or 
“Album” is selected, all the 
songs will appear, but 
some songs will not appear 
when “Folder” is selected.  
The audio files are not in folders under the 
“MUSIC” folder.
  
P
 lace them in folders under the “MUSIC” folder 
by dragging and dropping.
Songs are played back 
within a limited playback 
range only, such as within 
one album. 
 
“
 Playback Range” (
 page 46) is set to “Selected 
Range.”
  
C
 hange the playback range setting.
Data cannot be deleted 
on the player. 
 
Y
 ou cannot delete songs, videos and photos on the 
player.
  
D
 elete them using the software you used to 
transfer the data, or Windows Explorer.
Continued  
Operation (continued) 
						

							NWZ-A726 / A 728 / A729.GB.3-299-381-11(1)
Troubleshooting10 10 
SymptomCause/Remedy
Noise is generated.
 
A de vice emitting radio signals, such as a mobile 
phone is being used near the player.
  
W
 hen using devices such as mobile phones, keep 
them away from the player.
  
M
 usic data imported from CDs, etc., is damaged.
  
D
 elete the data, then import and transfer it again.  
When importing data to your computer, close any 
other applications to avoid data damage.
  
T
 ransferred files are not in a playable format. For 
details, see “Supported file format” of 
“Specifications” (  page 126).
  
C
 onvert the ATRAC audio data using the 
supplied MP3 Conversion Tool.
  
S
 ome songs may not play back, depending on 
certain file specifications.
“VPT(Surround)” setting 
or “Clear Stereo” function 
is not effective. 
 
W
 hen outputting to external audio speakers using 
the optional cradle, “VPT(Surround)” settings and 
the “Clear Stereo” function may not be effective 
because the player is designed for compatible 
headphones only. This is not a malfunction.
Cannot see the video, but 
can hear it. 
 
Th
 e file is a 
.
3gp file. (.3gp only supports audio.)
  
Th
 e video file is not in a video folder.
  
P
 lace the video files in a video folder by dragging 
and dropping.
Buttons do not work.  
Th
 e HOLD switch is set to the HOLD position.
  
S
 lide the HOLD switch to the opposite position 
(   page 11). 
  
Th
 e player contains moisture condensation.
  
W
 ait a few hours to let the player dry.
  
Th
 e remaining battery power is low or insufficient.
  
C
 harge the battery by connecting the player to a 
running computer (  page 21).
  
I
 f you charge the battery and nothing changes, 
press the RESET button to reset the player (  
page 101).
  
W
 hile “Connecting” is being displayed, you cannot 
operate the player. 
  
Di
 sconnect the USB connection, then operate the 
player.
Playback does not stop.  
W
 ith this player, there is no difference between 
stopping and pausing. When you press the  
button,  appears and playback pauses/stops.
Continued  
Operation (continued) 
						

							NWZ-A726 / A 728 / A729.GB.3-299-381-11(1)
Troubleshooting10 10 
SymptomCause/Remedy
The player does not work.
 
Th e remaining battery power is insufficient.
  
C
 harge the battery by connecting the player to a 
running computer (  page 21).
  
I
 f you charge the battery and nothing changes, 
press the RESET button to reset the player (  
page 101).
Transferred data cannot 
be found. 
 
Th
 e built-in flash memory of the player was 
formatted using Windows Explorer.
  
F
 ormat the built-in flash memory on the player 
(   page 92).
  
Th
 e supplied USB cable was disconnected from the 
player while data was being transferred.
  
T
 ransfer usable files back to your computer and 
format the built-in flash memory on the player 
(   page 92).
  
A
 fter dragging and dropping in Windows Explorer, 
data hierarchy levels do not correspond to the player 
(   page 24).
  
T
 ransferred files are not in a playable format. For 
details, see “Supported file format” of 
“Specifications” (  page 126).
  
C
 onvert the ATRAC audio data using the 
supplied MP3 Conversion Tool.
  
S
 ongs or videos may not be played back, 
depending on the file format (  page 126).
  
P
 hotos may not be displayed, depending on the 
file size or the file format (  page 126).
The volume is not loud 
enough. 
 
“
 AVLS (Volume Limit)” is enabled.
  
Di
 sable “AVLS (Volume Limit)” (
 page 81).
There is no sound from 
the right channel of the 
headphones. 
Or the right channel 
sound is heard from both 
sides of the headphones. 
 
Th
 e headphone jack is not fully inserted.
  
I
 f the headphones are not connected correctly, 
sound will not be output properly. Insert the 
connecting pin of the headphones into the jack 
until it clicks (  page 10).
Playback has stopped 
suddenly. 
 
Th
 e remaining battery power is insufficient.
  
C
 harge the battery by connecting the player to a 
running computer (  page 21).
  
Th
 e songs or video files that cannot be played are 
played.
  
P
 lay back the other song or video files. 
Continued 

Operation (continued) 
						

							NWZ-A726 / A 728 / A729.GB.3-299-381-11(1)
Troubleshooting106 106 
SymptomCause/Remedy
Thumbnails are not 
displayed.
						

							
NWZ-A726 / A 728 / A729.GB.3-299-381-11(1)
Troubleshooting107 107 
Display
SymptomCause/Remedy
“” appears for a title.  Characters that cannot appear on the player are 
included in the title.

  Rename the title with appropriate characters 
using the software you used to transfer or 
Windows Explorer.
“Unknown” is displayed 
for an album or artist 
name, etc.
  The data has no data information, such as an album 
or artist name, etc.
Garbled characters are 
displayed.  The wrong language is selected.

  Correct the setting of “Language Settings” ( page 
94), and then transfer data to the player again.
The screen darkens while 
displaying a photo.  There was no operation attempted for the time 
selected in “Screensaver Timing” ( page 84).

  Press any button.
The screen turns off.  There was no operation attempted for more than 3 
minutes while the player was in the pause mode.

  Press any button.
  There was no operation attempted for the period 
you set in “Screensaver Timing” when “Screensaver” 
is set to “Blank” ( page 84).

  Press any button.
  Set “Screensaver” to other than “Blank.”
  “On-Hold Display” is set to “No.”

  Slide the HOLD switch to the opposite position 
( page 11).
  Set “On-Hold Display” to “Yes” ( page 67). You 
can play back a video even when the HOLD 
function is activated.
A message appears.  See the “Messages” ( page 113).
Continued  
						

							NWZ-A726 / A 728 / A729.GB.3-299-381-11(1)
Troubleshooting10 10 
Power
SymptomCause/Remedy
Battery life is short.
 
Th e operating temperature is below 5 °C (41 °F).
  
B
 attery life becomes shorter due to the battery 
characteristics. This is not a malfunction.
  
B
 attery charging time is not sufficient.
  
C
 harge the battery until  appears.
  
By adjusting the settings or managing the power 
supply properly, it is possible to save the battery power 
and use the player for a longer time (
 page 96).
 
You have not used the player for a prolonged period.
  
Th
 e efficiency of the battery will be improved by 
repeatedly charging and discharging it.
  
W
 hen usable battery life becomes half the usual 
time, even after charging the battery fully, the 
battery should be replaced.
  
C
 onsult your nearest Sony dealer.
  
C
 opyright-protected contents are played.
  
W
 hen copyright-protected contents are played, 
battery life may be shorter.
The player cannot charge 
the battery. 
 
Th
 e USB cable is not connected to a USB port on 
your computer properly.
  
Di
 sconnect the USB cable, and then reconnect it.
  
U
 se the supplied USB cable.
  
Th
 e battery is charged in an ambient temperature 
out of the range of 5 °C (41 °F) to 35 °C (95 °F).
  
C
 harge the battery in an ambient temperature of 
5 °C (41 °F) to 35 °C (95 °F).
  
Th
 e computer is not on.
  
T
 urn on the computer.
  
Y
 our computer has entered sleep or hibernation 
status.
  
R
 elease the computer from sleep or hibernation 
status.
The player turns off 
automatically. 
 
T
 o avoid unnecessary battery consumption, the 
player automatically turns off.
  
P
 ress any button to turn the player on.
Charging completes very 
quickly. 
 
I
 f the battery is already almost fully charged when 
charging begins, little time is needed to reach full 
charge.
Continued   
						

							NWZ-A726 / A 728 / A729.GB.3-299-381-11(1)
Troubleshooting10 10 
Connection with a computer
SymptomCause/Remedy
MP3 Conversion Tool or 
Media Manager for 
WALKMAN does not 
start up.
 
Y our computer’s system environment has changed, 
perhaps due to an update of the Windows operating 
system.
“Connecting” does not 
appear when connected 
to the computer with the 
supplied USB cable. 
 
Th
 e USB cable is not connected to a USB port on 
your computer properly.
  
Di
 sconnect the USB cable, and then reconnect it.
  
Use the supplied USB cable.
  
A US
 B hub is being used.
  
C
 onnecting the player via a USB hub may not 
work. Connect the player to your computer using 
the supplied USB cable.
  
Th
 e computer is running another software other 
than the one used for transferring.
  
Di
 sconnect the 
USB cable, wait a few minutes, 
and reconnect it. If the problem persists, 
disconnect the USB cable, restart the computer, 
and then reconnect the USB cable.
  
“
 Connecting” may not appear on the player, 
depending on the software environment that is 
running on your computer.
  
A
 ctivate Windows Media Player, or Windows 
Explorer.
The player is not 
recognized by the 
computer when it is 
connected to the 
computer. 
 
Th
 e USB cable is not connected to a USB port on 
your computer properly.
  
Di
 sconnect the 
USB cable, and then reconnect it.
  
A US
 B hub is being used.
  
C
 onnecting the player via a USB hub may not 
work. Connect the player to your computer using 
the supplied USB cable.
  
Th
 e USB port on your computer may have a 
problem. Connect the player to another USB port on 
your computer.
Continued   
						

							NWZ-A726 / A 728 / A729.GB.3-299-381-11(1)
Troubleshooting110 110 
SymptomCause/Remedy
Data cannot be 
transferred to the player 
from your computer.
 
T ransferring may be stopped due to noise such as 
static electricity, etc. This happens to protect data 
information.
  
Di
 sconnect the player, then reconnect it.
  
I
 f you transfer files by dragging and dropping on 
some computers that do not have Windows Media 
Player 11 installed, there may be limited files (AAC, 
video files, etc.) that can be transferred by dragging 
and dropping.
  
I
 nstall Windows Media Player 11 from the 
supplied CD-ROM, then transfer files by dragging 
and dropping again. Before installing the supplied 
Windows Media Player 11 on your computer, 
make sure to check whether your software or 
service corresponds to Windows Media Player 11. 
For details on usage, or support on Windows 
Media Player, visit the following web site:  
http://support.microsoft.com/
  
Th
 e USB 
cable is not connected to a USB port on 
your computer properly.
  
Di
 sconnect the 
USB cable, and then reconnect it.
  
Th
 ere is not enough free space in the built-in flash 
memory.
  
T
 ransfer any unnecessary data back to your 
computer to increase free space.
  
S
 ongs with a limited playing period or playing count 
may not be transferred due to restrictions set by 
copyright holders. For details on the settings of each 
audio file, contact the distributor.
  
A
 bnormal data exists on the player.
  
T
 ransfer usable files back to your computer and 
format the built-in flash memory on the player 
(   page 92).
Continued 

Connection with a computer (continued)