Sony D-F21 Troubleshooting, CD player, play, level, Symptom, in the CD player, “Hold” appears in the, adjusted to the maximum, The CD does not play or

Troubleshooting

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

CD player

Symptom	Cause and/or corrective actions
The volume does not increase	c	Set the AVLS switch to “NORM.” (page 14)
even if the VOLUME control is
adjusted to the maximum
level.
No sound, or noise is heard.	c	Connect the plugs firmly. (page 6)

c Plugs are dirty. Clean the plugs with a dry soft cloth periodically.

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

cCheck that you are using alkaline batteries and not manganese batteries. (page 17)

cReplace the batteries with new LR6 (size AA) alkaline batteries. (page 17)

When you press u, “Lo batt” or “00” appears in the display. The CD does not play.

cReplace the batteries with new LR6 (size AA) alkaline batteries. (page 17)

“HI dc In” appears in the display.

cUse only the AC power adaptor or car battery cord in “Accessories (supplied/optional).” (page 23)

cRemove all power sources, then insert the batteries or connect the AC power adaptor again. (pages 6, 17)

The CD does not play or	c	The buttons are locked. Slide the HOLD switch back. (page 14)
“no dISC” appears in the	c	The CD is dirty or defective. (page 19)
display when a CD is placed	c	Check that the CD is inserted with the label side up. (page 6)
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 17)
	c Make sure the batteries are inserted correctly. (page 17)
	c Connect the AC power adaptor to an AC outlet securely. (page 6)
	c The CD-R was not finalized. Finalize the CD-R with the recording
		device.
	c There is a problem with the quality of the CD-R, recording device,
		or application software.
“Hold” appears in the	c	The buttons are locked. Slide the HOLD switch back. (page 14)
display when you press a
button, and the CD does not
play.

The rechargeable batteries cannot be charged in the battery compartment of this player.

cThis CD player does not have the function to charge the rechargeable batteries.

Playback starts from the point you stopped. (resume function)

cThe resume function is working. To start from the first track, open the lid of the CD player; or remove all power sources, then insert the batteries or connect the AC power adaptor again. (pages 6, 17)

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