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NWZ-A726 / A 728 / A729.GB.3-299-381-11(1)
Troubleshooting
108
108
Power
Symptom Cause/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
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