Sony DAV-C990 Operating Instructions Manual page 76

Operation
Radio stations cannot be tuned in.
, Check that the antennas are connected
securely. Adjust the antennas and connect an
external antenna 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 30).
, Press DISPLAY so that the frequency appears
in the display.
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.
The disc does not play.
, There is no disc inside.
, The disc is turned over.
Insert the disc with the playback side facing
down on the disc tray.
, The disc is skewed.
, The system cannot play CD-ROMs, etc.
(page 8).
, The region code on the DVD does not match
the system.
, Moisture has condensed inside the system.
Remove the disc and leave the system turned
on for about half an hour (page 4).
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The MP3 audio track cannot be
played.
, The DATA CD is not recorded in the MP3
format that conforms to ISO9660 Level 1/
Level 2 or Joliet.
, The MP3 audio track does not have the
extension ".MP3."
, The data is not formatted in MP3 even though
it has the extension ".MP3."
, The player cannot play audio tracks in
MP3PRO format.
The title of the MP3 audio album or
track is not correctly displayed.
, The player can only display numbers and
alphabet. Other characters are displayed as
" ".
The disc does not start playing from
the beginning.
, Program Play, Shuffle Play, or Repeat Play
has been selected (pages 39, 41, 42).
Press CLEAR to cancel these functions
before playing a disc.
, Resume Play has been selected.
During stop, press x on the system or the
remote and then start playback (page 34).
, The title, DVD or PBC menu automatically
appears on the TV screen.
The system starts playing the disc
automatically.
, The DVD features an auto playback function.
Playback stops automatically.
, Some discs may contain an auto pause signal.
While playing such a disc, the system stops
playback at the auto pause signal.