Sony LBT-ZTX7 Operating Instructions Manual page 44

Playback does not start.
• Open the disc tray and check whether a
disc is loaded.
• Wipe the disc clean (page 50).
• Reload the disc.
• Load the disc that this system can play
back (page 50).
• Load the disc on the disc tray with the
label side facing up.
• Remove the disc and wipe away the
moisture on the disc, then leave the
system turned on for a few hours until
the moisture evaporates.
• Press NX (or N on the remote) to
start playback.
The sound skips.
• Wipe the disc clean (page 50).
• Reload the disc.
• Move the unit to a place without
vibration (e.g., on top of a stable stand).
• Move the speakers away from the unit,
or place them on separate stands. When
you listen to a track with bass sounds at
high volume, the speaker vibration may
cause the sound to skip.
Playback does not start from the first
track.
• The system is in Program Play or
Shuffle Play mode. Press PLAY MODE
on the remote repeatedly until
"ALL DISCS", "1 DISC" or "
lights up in the display.
The MP3 file cannot be played back.
• The MP3 file is not recorded in a format
that conforms to ISO9660 Level 1/
Level 2, or Joliet (expansion format).
• The MP3 file does not have the
extension ".mp3".
• The MP3 file in format other than
MPEG 1 Audio Layer 3 cannot be
played back.
• The system can play back to a depth of
8 folders only.
• The disc contains more than 256 folders.
• The disc contains more than 511 MP3
files.
• MP3 files in MP3 PRO format cannot be
played back.
44 GB
The MP3 files take a longer time to
play back than others.
• After the system reads all the files on the
disc, playback may take more time than
usual if:
– the number of folders or files on the
disc is very large.
– the folder and file organization
structure is very complex.
The folder name, track name, file
name and ID3 tag characters do not
appear properly.
• Use a disc that conforms to ISO9660
Level 1/Level 2, or Joliet (expansion
format).
• The ID3 tag is not version 1 or version 2.
• The character code that can be displayed
by this system are as follows:
– Upper cases (A to Z)
– Lower cases (a to z)
– Numbers (0 to 9)
– Symbols (< > * +, ? / [ ] \ _)
Other characters may not be displayed
correctly.
USB device
You cannot start transferring to an
USB device.
• The following problems may have
occurred.
"
– The USB device is full.
– The number of audio file and folder
that system can recognize has reached
the upper limit.
– The USB device is write-protected.