Sony DAV-DZ280 Operating Instructions Manual page 83

Symptom
The surround effect is difficult to
hear when you are playing a
sound track of Dolby Digital,
DTS, or MPEG audio.
The sound comes from the center
speaker only.
No sound is heard from the
center speaker.
No sound or only a very low-
level sound is heard from the
surround speakers.
Operation
Symptom
Radio stations cannot be tuned
in.
The remote does not function.
The disc does not play.
The MP3 file cannot be played.
Remedy
• Check the " DEC. MODE " setting
• Check the speaker connections and settings (pages 15, 50).
• Depending on the DVD, the output signal may not be the entire 5.1 channel. It
may be monaural or stereo even if the sound track is recorded in Dolby Digital
or MPEG audio format.
• Depending on the disc, the sound may come from the center speaker only.
• Check the speaker connections and settings (pages 15, 50).
• Check the " DEC. MODE " setting
• Depending on the source, the effect of the center speaker may be less
noticeable.
• A 2 channel source is being played.
• Check the speaker connections and settings (pages 15, 50).
• Check the " " setting
DEC. MODE
• Depending on the source, the effect of the surround speakers may be less
noticeable.
• A 2 channel source is being played.
Remedy
• Check that the antenna (aerial) is connected securely. Adjust the antenna
(aerial) or connect an external antenna (aerial) if necessary.
• The signal strength of the stations is too weak (when tuning in with automatic
tuning). Use direct tuning.
• No stations have been preset or the preset stations have been cleared (when
tuning by scanning preset stations). Preset the stations (page 52).
• There are obstacles between the remote and the unit.
• The distance between the remote and the unit is too far.
• The remote is not pointed at the remote sensor on the unit.
• The batteries in the remote are weak.
• There is no disc inserted.
• The disc is upside down.
Insert the disc with the playback side facing down.
• The disc is skewed on the disc tray.
• The system cannot play CD-ROMs, etc. (page 6).
• The region code on the DVD does not match the system.
• Moisture has condensed inside the unit and may cause damage to the lenses.
Remove the disc and leave the unit turned on for about half an hour.
• The DATA CD is not recorded in ISO 9660 Level 1/Level 2, or Joliet.
• The DATA DVD is not recorded in UDF (Universal Disk Format).
• The MP3 file does not have the extension ".mp3."
• The data is not formatted in MP3 even though it has the extension ".mp3."
• The data is not MPEG1 Audio Layer 3 data.
• The system cannot play audio tracks in MP3PRO format.
• If you cannot change the [MEDIA] setting, re-load the disc or turn the system
off, then on.
(page 24) .
(page 24) .
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(page 24)
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