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...

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,...

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...

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...

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...

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...

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...

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,...

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...