![background image](http://html.mh-extra.com/html/sony/mhc-ex660/mhc-ex660_operating-instructions-manual_1329985021.webp)
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Disc player
Playback does not start.
• Wipe the disc clean (page 24).
• Reload the disc.
• Load the disc that this system can play
back (page 19).
• 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
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).
• The ID3 tag is not Version 1(1.0/1.1)
and Version 2(2.2/2.3).
• The character code that can be displayed
by this system are as follows:
– Upper cases (A to Z)
– Numbers (0 to 9)
– Symbols (< > * +, \ _)
Other characters appear as “_”.
The disc tray does not open and
“LOCKED” appears.
• Contact your Sony dealer or local
authorized Sony service facility.
USB device
Transferring results in an error.
• You are using an unsupported USB
device. Check the information on the
websites about compatible USB devices
(page 12).
• The USB device is not formatted
correctly. Refer to the operating
instructions of the USB device on how
to format.
• Turn off the system and remove the
USB device. If the USB device has a
power switch, turn the USB device off
and then on again after removing it from
the system. Then perform transferring
again.
• If the transferring and erase operations
are repeated multiple times, the file
structure within the USB device
becomes fragmented. Refer to the
operating instructions of the USB
device on how to deal with this problem.
• The USB device was disconnected or
the power was turned off during
transferring. Delete the partially-
transferred file, and perform
transferring again. If this does not fix the
problem, the USB device may be
broken. Refer to the operating
instructions of the USB device on how
to deal with this problem.
Audio files or folders on the USB
device cannot be erased.
• Check if the USB device is write-
protected.
• The USB device was disconnected or
the power was turned off during the
erase operation. Delete the partially-
erased file. If this does not fix the
problem, the USB device may be
broken. Refer to operating instructions
of the USB device on how to deal with
this problem.
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