The unit is confirming the connection of a USB device.
t Wait until confirming the connection is finished.
• The disc is dirty or inserted upside down.*
t Clean or insert the disc correctly.
• A blank disc has been inserted.
• The disc cannot play due to a problem.
t Insert another disc.
• USB device was not automatically recognized.
t Reconnect it again.
• Press Z to remove the disc.
The connection of speakers/amplifiers is incorrect.
t See the installation guide manual of this model to
check the connection.
HUB NO SUPRT
USB hub is not supported on this unit.
The CD changer is loading the disc.
t Wait until loading is complete.
L. SEEK +/–
The local seek mode is on during automatic tuning.
NO DEV (No Device)
(SOURCE) is selected without a USB device
connected. A USB device or a USB cable has been
disconnected during playback.
t Be sure to connect a USB device and USB cable.
The disc is not inserted in the CD changer.
t Insert discs in the CD changer.
The disc magazine is not inserted in the CD changer.
t Insert the disc magazine in the CD changer.
The disc or USB device does not contain a music file.
t Insert a music CD in this unit or an MP3 playable
t Connect a USB device with a music file in it.
A disc/album/artist/track name is not written in the
There may be an internal malfunction.
t Check the connection. If the error indication
remains on in the display, consult your nearest
USB device is overloaded.
t Disconnect the USB device, then change the source
by pressing (SOURCE).
t Indicates that the USB device is out of order, or an
unsupported device is connected.
The unit is reading all track and album information on
t Wait until reading is complete and playback starts
automatically. Depending on the disc structure, it
may take more than a minute.
The CD unit, CD changer or USB device cannot be
operated due to a problem.
t Press the RESET button (page 6).
USB NO SUPRT (USB Not Support)
The connected USB device is not supported.
t For details on the compatibility of your USB
device, visit the support site.
During reverse or fast-forward, you have reached the
beginning or the end of the disc and you cannot go any
The character cannot be displayed with the unit.
*1 If an error occurs during playback of a CD, the disc
number of the CD does not appear in the display.
*2 The disc number of the disc causing the error
appears in the display.
If these solutions do not help improve the situation,
consult your nearest Sony dealer.
If you take the unit to be repaired because of CD
playback trouble, bring the disc that was used at the
time the problem began.
" or "