Sony GMT-GP7 Operating Instructions Manual page 25

Play does not start.
• Open the disc tray and check whether a disc is
loaded.
• Wipe the disc clean (page 27).
• Replace the disc.
• Place the disc that this system can play (page 4).
• Place the disc correctly in the center of the tray.
• Place the disc in the tray with the label side 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 N on the remote (or CD NX on the unit)
to start play.
Disc access takes a long time.
• Set "CD POWER" and "ON" by the CD power
manage function (page 12).
The sound skips.
• Wipe the disc clean (page 27).
• Replace the disc.
• Try moving the system to a place without
vibration (e.g., on top of a stable stand).
• Try moving the speakers away from the system, or
placing 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.
Play does not start from the first track.
• Press PLAY MODE/TUNING MODE on the unit
repeatedly until both "PGM" and "SHUF"
disappear to return to Normal Play.
MP3 audio track cannot be played back.
• Recording was not performed according to the
ISO 9660 level 1 or level 2 format, or Joliet in the
expansion format.
• The MP3 audio track does not have the extension
".MP3".
• The data is not stored in MP3 format.
• Discs containing tracks other than MPEG1, 2
Audio Layer-3 files cannot be played.
MP3 audio tracks take longer to play back than
others.
• After the system reads all tracks on the discs,
playback may take more time than usual if:
– the number of albums or tracks on the disc is
very large.
– the album and track organization structure is
very complex.
The album title, track title and ID3 tag do not
appear correctly.
• Use a disc that conforms with ISO 9660 level 1,
level 2, or Joliet in the expansion format.
• The disc ID3 tag is not ver. 1 (ver. 1.0 or 1.1).
Tuner
Severe hum or noise/stations cannot be
received.
• Set the proper band and frequency (page 12).
• Connect the antenna properly (page 6).
• Find a place and an orientation that provide good
reception, then set up the antenna again. If you
cannot obtain good reception, we recommend you
connect a commercially available external
antenna.
• The supplied FM lead antenna receives signals
along its entire length, so make sure you extend it
fully.
• Keep the antennas away from the system and
other components.
• Consult your nearest Sony dealer if the supplied
AM antenna has come off the plastic stand.
• Try turning off surrounding electrical equipment.
• Set "CD POWER" and "OFF" by the CD power
manage function (page 12).
A stereo FM program cannot be received in
stereo.
• Press REPEAT/FM MODE on the unit until
"STEREO" appears in the display.
Tape deck
The tape does not record or play, or there is a
decrease in sound level.
• The heads are dirty. Clean them (page 28).
• The record/playback heads are magnetised.
Demagnetise them (page 28).
The tape does not erase completely.
• The record/playback heads are magnetised.
Demagnetise them (page 28).
There is excessive wow or flutter, or the sound
drops out.
• The capstans in the tape deck are dirty. Clean
them using a cleaning cassette (page 28).
Noise increases or the high frequencies are
erased.
• The record/playback heads are magnetised.
Demagnetise them (page 28).
continued
GB
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