Sony D-NF420PSBLUE Operating Instructions - Page 32

Troubleshooting

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Additional Information Troubleshooting Should any problem persist after you have checked these symptoms, consult your nearest Sony dealer. Sound Symptom The volume does not increase even if you press VOL + repeatedly. No sound, or noise is heard. A rustling noise is heard from the CD. SOUND items cannot be set up. Cause and/or corrective action  "AVLS" is set to "ON." Set it to "OFF" ( page 24).  Connect the headphones/earphones plugs firmly.  The plugs are dirty. Clean the headphones/earphones plugs with a dry soft cloth periodically.  Close the lid of the battery compartment firmly ( page 10).  "POWER SAVE" is set to "ON." Set it to "OFF" ( page 25). Operation/Playback Symptom The playing time is too short. The CD does not play. Certain tracks cannot be played. "Low Battery" appears on the display, and the CD does not play. "Hi DC in" appears on the display. Cause and/or corrective action  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 10).  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 25).  Replace the dry battery with a new LR6 (size AA) alkaline battery ( page 10).  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 36). 32

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Additional Information
Troubleshooting
Should any problem persist after you have checked these symptoms, consult your nearest Sony
dealer.
Sound
Symptom
Cause and/or corrective action
The volume does not increase
even if you press VOL +
repeatedly.
“AVLS” is set to “ON.”
Set it to “OFF” (
page 24).
No sound, or noise is heard.
Connect the headphones/earphones plugs firmly.
The plugs are dirty.
Clean the headphones/earphones plugs
with a dry soft cloth periodically.
A rustling noise is heard from
the CD.
Close the lid of the battery compartment firmly (
page 10).
SOUND items cannot be set up.
“POWER SAVE” is set to “ON.”
Set it to “OFF” (
page 25).
Operation/Playback
Symptom
Cause and/or corrective action
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 10).
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 25).
“Low Battery” appears on the
display, and the CD does not play.
Replace the dry battery with a new LR6 (size AA) alkaline
battery (
page 10).
“Hi DC in” appears on 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 36).
32