Sony MHC-ESX9 Operating Instructions Manual page 20

There is severe hum or noise.
• Move the unit away from the source of
noise.
• Connect the unit to a different wall
outlet.
• Install a noise filter (commercially
available) to the power cord.
• Turn off surrounding electrical
equipment.
The timer does not function.
• Check the timer setting and set the
correct time (page 16).
• Cancel the Sleep Timer function
(page 16).
The remote control does not function.
• Remove the obstacles between the
remote control and the unit.
• Move the remote control closer to the
unit.
• Point the remote control at the unit's
sensor.
• Replace the batteries (R6/size AA).
• Move the unit away from the
fluorescent light.
"CHILD LOCK" appears when you
press any button on the unit.
• Set the Child Lock function to off
(page 18).
Speakers
Sound comes from one channel or
unbalanced left and right volume.
• Place the speakers as symmetrically as
possible.
• Check that the speakers are connected
securely and correctly.
• The source being played back is
monaural.
There is no sound from a specific
speaker.
• Check that the speaker is connected
securely and correctly.
GB
20
Disc player
The disc tray does not open and
"LOCKED" appears in the display
panel.
• Consult your nearest Sony dealer or
local authorized Sony service facility.
The disc tray does not close.
• Load the disc correctly.
The disc does not eject.
• You cannot eject the disc during
CD-USB Synchronized Transfer or
REC1 Transfer. Press x to cancel the
transfer, then press Z on the unit to eject
the disc.
• Consult your nearest Sony dealer.
Playback does not start.
• Wipe the disc clean (page 24).
• Reload the disc.
• Load the disc that this system can play
back (page 18).
• 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.
The sound skips.
• Wipe the disc clean (page 24).
• Reload the disc.
• Move the unit to a place with no
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.
• Set the play mode to Normal Play
(page 10).
The folder name, track name, file
name and ID3 tag characters do not
appear properly.
• Use a disc that conforms to ISO9660
Level 1/Level 2, or Joliet (expansion
format).