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44
GB
(MHC-GTX88 only)
There is no sound from the
subwoofers.
• Adjust the subwoofer level to the
appropriate level.
• Check that the subwoofers are
connected securely and correctly.
• Check that both subwoofer A and
subwoofer B are connected to the unit.
(MHC-GTX88 only)
There is no sound from the surround
speaker.
• Check that the surround speakers are
connected securely and correctly.
(MHC-GTX77 only)
Sound lacks bass.
• Check that the speaker’s + and –
terminals are connected correctly.
Disc player
The disc tray does not open and
“LOCKED” appears in the display.
• Consult your nearest Sony dealer or
local authorized Sony service facility.
The disc tray does not close.
• Load the disc correctly.
• Always close the disc tray by pressing
Z
OPEN/CLOSE. Do not forcibly push
the disc tray to close it as this may cause
a malfunction.
The disc does not eject.
• You cannot eject the disc during
CD-USB Synchro Recording,
CD-TAPE Synchro Recording, or
REC1 Recording. Press
x
to cancel the
recording, then press
Z
OPEN/CLOSE
to eject the disc.
• Consult your nearest Sony dealer.
Playback does not start.
• Open the disc tray and check whether a
disc is loaded.
• Wipe the disc clean (page 50).
• Reload the disc.
• Load the disc that this system can play
• Load the disc on the disc tray with the
label side facing 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
NX
(or
N
on the remote) to
start playback.
Disc access take a longer time.
• Set the CD/USB power manage
function to “CD/USB POWER ON”
(page 29).
The sound skips.
• Wipe the disc clean (page 50).
• Reload the disc.
• Move the unit to a place without
vibration (e.g., on top of a stable stand).
• Move the speakers away from the unit,
or place 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.
Playback does not start from the first
track.
• The system is in Program Play or
Shuffle Play mode. Press PLAY MODE
on the remote repeatedly until
“ALL DISCS”, “1 DISC” or “
”
lights up in the display.
The MP3 audio tracks cannot be
played back.
• The MP3 audio track is not recorded in
a format that conforms to ISO 9660
Level 1/Level 2, or Joliet (expansion
format).
• The MP3 audio track does not have the
extension “.MP3”.
• The MP3 audio tracks in format other
than MPEG 1 Audio Layer 3 cannot be
played back.
• The system can play back to a depth of
8 folders only.
• The disc contains more than 256 folders.
• The disc contains more than 511 MP3
audio tracks.
• MP3 audio tracks in MP3 PRO format
cannot be played back.