Sony DAV-DZ720 Operating Instructions Manual page 83

The sound loses stereo effect when you play a
VIDEO CD, a CD, or an MP3.
• Set [AUDIO] to [STEREO] by pressing AUDIO
(page 40).
• Make sure the system is connected properly.
The surround effect is difficult to hear when
you are playing a Dolby Digital, DTS, or MPEG
audio sound track.
• Make sure the sound field function is on
• Check the speaker connections and settings (page
12, 76).
• 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.
The sound comes from the center speaker
only.
• Depending on the disc, the sound may come from
the center speaker only.
No sound is heard from the center speaker.
• Check the speaker connections and settings.
• Make sure the sound field function is on
• Depending on the source, the effect of the center
speaker may be less noticeable.
No sound or only a very low-level sound is
heard from the surround speakers.
• Check the speaker connections and settings.
• Make sure the sound field function is on
• Depending on the source, the effect of the
surround speakers may be less noticeable.
There is no sound from the speakers that are
indicated in the front panel display.
• The front panel display indicates the selected
[SPEAKER FORMATION]. It does not indicate
the speakers which output sound (page 30, 66).
Operation
Radio stations cannot be tuned in.
• 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 56).
• Press DISPLAY so that the frequency appears in
the front panel display.
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The remote does not function.
• There are obstacles between the remote and the
system.
• The distance between the remote and the system is
too far.
• The remote is not pointed at the remote sensor on
the system.
• The batteries in the remote are weak.
.
(page 30)
The disc does not play.
• 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 system and
may cause damage to the lenses. Remove the disc
and leave the system turned on for about half an
hour.
The MP3 audio track cannot be played.
• The DATA CD is not recorded in the MP3 format
.
(page 30)
that conforms to ISO 9660 Level 1/Level 2, or
Joliet.
• The DATA DVD is not recorded in an MP3
format that conforms to UDF (Universal Disk
Format).
• The MP3 audio track does not have the extension
.
(page 30)
".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.
• The [MODE (MP3, JPEG)] setting has been set to
[IMAGE (JPEG)] (page 51).
• If you cannot change the [MODE (MP3, JPEG)]
setting, re-load the disc or turn the system off, then
on.
• The DATA CD/DATA DVD contains a DivX
video file.
The JPEG image file cannot be played.
• The DATA CD is not recorded in a JPEG format
that conforms to ISO 9660 Level 1/Level 2, or
Joliet.
• The DATA DVD is not recorded in a JPEG format
that conforms to UDF (Universal Disk Format).
• It has an extension other than ".JPEG" or ".JPG."
• It is larger than 3,072 (width) × 2,048 (height) in
normal mode, or more than 2,000,000 pixels in
Progressive JPEG which is mainly used on the
Internet WEB site.
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