Sony DAV-DZ870KW Operating Instructions Manual page 103

Symptom
No sound or only a very low-
level sound is heard from the
surround speakers.
The beginning of the sound is cut
off.
Microphone sound is not output. • Set the karaoke mode to on (page 89).
Operation
Symptom
Radio stations cannot be tuned
in.
Noise is heard on AM radio.
The remote does not function.
The disc does not play.
The MP3 file cannot be played.
Remedy
• Check the speaker connections and settings (pages 19, 61).
• Make sure the "DEC. MODE" setting (page 34).
• Depending on the source, the effect of the surround speakers may be less
noticeable.
• Check the wireless setting (page 27).
• A 2 channel source is being played.
• Set the sound mode to "MOVIE
• Select "A.F.D. STD
" for "DEC. MODE"
• Connect the microphone to the unit properly.
• Connect a monaural dynamic microphone.
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 64).
• Press DISPLAY so that the frequency appears in the front panel display.
• Check the location of the AM loop antenna (aerial) and cord (page 24).
• 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 4).
• 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 the MP3 format 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 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.
• The [MODE (MUSIC, IMAGE)] setting has been set to [IMAGE] (page 50).
• If you cannot change the [MODE (MUSIC, IMAGE)] setting, re-load the disc
or turn the system off, then on.
• The DATA CD/DATA DVD contains a DivX video file.
(page 36)
" or "MUSIC" .
(page 34)
.
103
GB