Troubleshooting - Sony D-NF400 Operating Instructions Manual

Troubleshooting

Should any problem persist after you have checked these symptoms, consult your nearest Sony
dealer.
CD player
Symptom
The volume does not
increase even if you press
VOL + repeatedly.
No sound, or noise is heard.
Certain files cannot be
played.
The playing time is too short
when powered with the dry
batteries.
"Lo batt" appears on the
display. The CD does not
play.
"HI dc In" appears on the
display.
The CD does not play or
"No disc" appears on the
display when a CD is placed
in the CD player.
Cause and/or corrective action
c AVLS is set to "ON." Set it to "OFF." (page 22)
c Connect the headphones/earphones plugs firmly. (page 13)
c Plugs are dirty. Clean the headphones/earphones plugs with a dry
soft cloth periodically.
c You tried to play files saved in a format that is not compatible with
this CD player. (page 6)
c Check that you are using alkaline batteries and not manganese
batteries. (page 30)
c Replace the batteries with new LR6 (size AA) alkaline batteries.
(page 30)
c Replace the batteries with new LR6 (size AA) alkaline batteries.
(page 30)
c 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 38)
c The CD is dirty or defective.
c Check that the CD is inserted with the label side up. (page 13)
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 30)
c Make sure the batteries are inserted correctly. (page 30)
c Connect the AC power adaptor to an AC outlet securely. (page 13)
c Press u/ENTER 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.
(Continued)
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