Sony D-NE510 Troubleshooting, play, played, Symptom, in the CD player, The volume does not, “HOLD” flashes in the, Certain files cannot be, The CD does not play or

Should any problem persist after you have checked these symptoms, consult your nearest Sony dealer.

Symptom	Cause and/or corrective actions
The volume does not	c If “AVLS” flashes in the display, press and hold SOUND until
increase even if you press	“AVLS OFF” appears in the display. (page 23)
the VOL + button repeatedly.
No sound, or noise is heard.	c Connect the plugs firmly. (pages 11, 25)
	c Plugs are dirty. Clean the plugs with a dry soft cloth periodically.
Certain files cannot be	c You tried to play files saved in a format that is not compatible with
played.	this CD player. (page 6)

The playing time is too short when powered with the dry batteries.

cCheck that you are using alkaline batteries and not manganese batteries. (page 11)

cReplace the batteries with new LR6 (size AA) alkaline batteries. (page 11)

“Lo batt” appears in the display. The CD does not play.

cReplace the batteries with new LR6 (size AA) alkaline batteries. (page 11)

“HI dc In” appears in the display.

cUse only the AC power adaptor or car battery cord in “Optional accessories.” (page 31)

cRemove all power sources, then insert the batteries or connect the AC power adaptor again. (pages 11, 25)

The CD does not play or	c	The buttons are locked. Slide the HOLD switch back. (page 23)
“No disc” appears in the	c The CD is dirty or defective.
display when a CD is placed	c	Check that the CD is inserted with the label side up. (page 11)
in the CD player.	c Moisture condensation has occurred.
		Leave the CD player aside for several hours until the moisture
		evaporates.
	c Close the lid of the battery compartment firmly. (page 11)
	c Make sure the batteries are inserted correctly. (page 11)
	c Connect the AC power adaptor to an AC outlet securely. (page 25)
	c Press u after one second or more has passed since the AC power
		adaptor was connected.
	c The CD-R/RW is blank.
	c There is a problem with the quality of the CD-R/RW, recording
		device, or application software.
	c The files in two or more formats are recorded on the same CD-R/
		RW. (page 7)
“HOLD” flashes in the	c	The buttons are locked. Slide the HOLD switch back. (page 23)
display when you press a
button, and the CD does not
play.