Sony D-NF421 - Manual (Page 33)

Symptom Cause and/or corrective action
The CD does not play, or “No Disc”
appears on the display when a CD
is placed in the player.
 The CD is dirty or defective. Clean it or change it.
 Check that the CD is inserted with the label side up
(  page 12).
 Moisture condensation has occurred. Leave the CD player
aside for several hours until the moisture evaporates.
 Close the lid of the battery compartment firmly ( page 10).
 Make sure the battery is inserted correctly ( page 10).
 Connect the AC power adaptor to an AC outlet securely
(  page 11).
 Press  /ENTER after one second or more has passed since
the AC power adaptor was connected.
 The CD-R/CD-RW in the player is blank.
 There is a problem with the quality of the CD-R/CD-RW,
recording device, or application software.
“HOLD” flashes on the display
when you press a button, and the
CD does not play.
 The buttons are locked. Slide the HOLD switch back
(  page 14).
Playback starts from the point you
stopped (resume function).
 The resume function is working. To start play from the first
track, press and hold  /ENTER (  on the remote) while the
player is stopped until the first track starts playing, or open the
lid of the player (
 page 13). Or, remove all power sources,
and then insert the battery or connect the AC power adaptor
again.
During playback of an ATRAC
CD or MP3 CD, the CD does not
rotate but you can hear the sound
normally.
 This player is designed to stop the rotation of an ATRAC CD
or MP3 CD during playback to reduce the power consumption.
The player is not malfunctioning.
“No File” appears on the display
after you press  /ENTER or
when the lid of the player is
closed.
 There are no ATRAC3plus/MP3 files on the CD-R/CD-RW.
 A CD-R/CD-RW from which the data has been erased is being
used.
 The CD is dirty.
The LCD display becomes hard to
see or slows down.
 You are using your CD player at high temperatures (above
40°C/104°F) or at low temperatures (below 0°C/32°F). At
room temperature, the display will return to its normal
operating condition.
Continued 
Additional Information
D-NF421.GB.2-318-768-81(1)
33