Sony XAV-722 Operating Instructions Manual page 54

Sound is noisy.
Keep cords and cables away from each other.
Disc operation
The disc cannot be loaded.
• Another disc is already loaded.
• The disc has been forcibly inserted upside down or in
the wrong way.
The disc does not play.
• The disc is defective or dirty.
• The disc is not playable.
• The DVD is not playable due to the region code.
• The disc is not finalized (page 48).
• The disc format and file version are incompatible
with this unit (page 9, 48).
• Press Z to remove the disc.
MP3/WMA/AAC/JPEG/Xvid/MPEG-4 files do not
play.
• Recording was not performed according to the ISO
9660 level 1 or level 2 format or the Joliet or Romeo
expansion format (DATA CD), or the UDF Bridge
format (DATA DVD) (page 48).
• The file extension is incorrect (page 49).
• Files are not stored in MP3/WMA/AAC/JPEG/Xvid/
MPEG-4 format.
• If the disc contains multiple file types, only the
selected file type (audio/video/image) can be played.
t Select the appropriate file type using the list
(page 31).
MP3/WMA/AAC/JPEG/Xvid/MPEG-4 files take
longer to play than others.
The following discs take a longer time to start
playback.
– a disc recorded with a complicated tree structure.
– a disc recorded in Multi Session/Multi Border.
– a disc to which data can be added.
The disc does not start playing from the
beginning.
Resume playback or multi-disc resume playback
(page 44) has taken effect.
Certain functions cannot be performed.
Depending on the disc, you may not be able to perform
operations such as stop, search, or repeat/shuffle play.
For details, refer to the manual supplied with the disc.
The soundtrack/subtitle language or angle
cannot be changed.
• Use the DVD menu instead of the direct selection
button on the remote commander (page 17).
• Multilingual tracks, multilingual subtitles, or multi-
angles are not recorded on the DVD.
• The DVD prohibits changing.
The operation buttons do not function.
The disc will not eject.
Press the reset button (page 14).
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USB playback
Items cannot be played via a USB hub.
This unit cannot recognize USB devices via a USB
hub.
Items cannot be played.
Reconnect the USB device.
The USB device takes longer to play.
The USB device contains large-sized files or files with
a complicated tree structure.
A beep sounds.
During playback, the USB device has been
disconnected.
t Before disconnecting a USB device, make sure to
stop playback first for data protection.
The sound is intermittent.
The sound may be intermittent at a high bit rate of
more than 320 kbps.