Sony NWZ-A728PNK Operation Guide - Page 104

Buttons do not work., The player contains moisture condensation.

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104 Troubleshooting Table of Contents Menu Index Operation (continued) Symptom Cause/Remedy Noise is generated.  A device emitting radio signals, such as a mobile phone is being used near the player.  When using devices such as mobile phones, keep them away from the player.  Music data imported from CDs, etc., is damaged.  Delete the data, then import and transfer it again. When importing data to your computer, close any other applications to avoid data damage.  Transferred files are not in a playable format. For details, see "Supported file format" of "Specifications" ( page 126).  Convert the ATRAC audio data using the supplied MP3 Conversion Tool.  Some songs may not play back, depending on certain file specifications. "VPT(Surround)" setting  When outputting to external audio speakers using or "Clear Stereo" function the optional cradle, "VPT(Surround)" settings and is not effective. 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  The file is a .3gp file. (.3gp only supports audio.) can hear it.  The video file is not in a video folder.  Place the video files in a video folder by dragging and dropping. Buttons do not work.  The HOLD switch is set to the HOLD position.  Slide the HOLD switch to the opposite position ( page 11).  The player contains moisture condensation.  Wait a few hours to let the player dry.  The remaining battery power is low or insufficient.  Charge the battery by connecting the player to a running computer ( page 21).  If you charge the battery and nothing changes, press the RESET button to reset the player ( page 101).  While "Connecting" is being displayed, you cannot operate the player.  Disconnect the USB connection, then operate the player. Playback does not stop.  With this player, there is no difference between stopping and pausing. When you press the  button,  appears and playback pauses/stops. Continued 

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Troubleshooting
10³
10³
Symptom
Cause/Remedy
Noise is generated.
A device emitting radio signals, such as a mobile
phone is being used near the player.
When using devices such as mobile phones, keep
them away from the player.
Music data imported from CDs, etc., is damaged.
Delete the data, then import and transfer it again.
When importing data to your computer, close any
other applications to avoid data damage.
Transferred files are not in a playable format. For
details, see “Supported file format” of
“Specifications” (
page 126).
Convert the ATRAC audio data using the
supplied MP3 Conversion Tool.
Some songs may not play back, depending on
certain file specifications.
“VPT(Surround)” setting
or “Clear Stereo” function
is not effective.
When 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.
The file is a
.
3gp file. (.3gp only supports audio.)
The video file is not in a video folder.
Place the video files in a video folder by dragging
and dropping.
Buttons do not work.
The HOLD switch is set to the HOLD position.
Slide the HOLD switch to the opposite position
(
page 11).
The player contains moisture condensation.
Wait a few hours to let the player dry.
The remaining battery power is low or insufficient.
Charge the battery by connecting the player to a
running computer (
page 21).
If you charge the battery and nothing changes,
press the RESET button to reset the player (
page 101).
While “Connecting” is being displayed, you cannot
operate the player.
Disconnect the USB connection, then operate the
player.
Playback does not stop.
With this player, there is no difference between
stopping and pausing. When you press the
button,
appears and playback pauses/stops.
Continued
Operation
(continued)