Sony D-NE720 Manuel D’Utilisation

Operation/Playback

The playing time is too short. The 

CD does not play.

 Check that you are using an alkaline battery and not a 

manganese battery.

 Replace the dry battery with a new LR6 (size AA) alkaline 

battery ( page 12).

 Charge and discharge the rechargeable battery several times 

( page 11).

Certain tracks cannot be played. 

 You tried to play files saved in a format that is not compatible 

with this player ( page 5).

 Change the setting of “CD-EXTRA” in the OPTION menu.  

You may play your CD ( page 29).

“Lo Batt” appears in the display, 

and the CD does not play.

 The rechargeable battery is used up completely. Charge the 

battery ( page 11).

 Replace the dry battery with a new LR6 (size AA) alkaline 

battery ( page 12). 

“Hi DC in” appears in the display.

 An AC power adaptor which is rated higher than the one 

supplied or recommended is being used. Use only the supplied 
AC power adaptor or the car battery cord recommended in 
“Optional Accessories” ( page 35).

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 15).

 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 11).

 Make sure the battery is inserted correctly ( page 11, 12).

 Connect the AC power adaptor to an AC outlet securely 

( page 14).

 Press  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.

The OPR lamp flashes on the 

player when you press a button, 

and the CD does not play.

 The buttons are locked. Slide the HOLD switch back 

( page 17).

Playback starts from the point you 

stopped (resume function).

 The resume function is working. To start play from the first 

track, press and hold 

 while the player is stopped until the 

first track starts playing, or open the lid of the player ( page 

16 ). 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.

D-NE720/NE720LS.GB.2-541-637-11(1)