Troubleshooting - JVC KD-APD49 Manuel D'instructions

Preset value setting for each sound mode
Sound mode
Freq.
USER 60 Hz
ROCK 100 Hz
CLASSIC 80 Hz
POP 100 Hz
HIP HOP 60 Hz
JAZZ 80 Hz
Freq.: Frequency Q: Q-slope

Troubleshooting

What appears to be trouble is not always serious. Check the following points before calling a service center.
Symptoms
• Sound cannot be heard from the speakers.
• The unit does not work at all.
• SSM automatic presetting does not work.
• Static noise while listening to the radio.
• Disc cannot be played back.
• CD-R/CD-RW cannot be played back.
• Tracks on the CD-R/CD-RW cannot be skipped.
• Disc can neither be played back nor ejected.
• Disc sound is sometimes interrupted.
• "NO DISC" appears on the display.
• "PLEASE" and "EJECT" appear alternately on
the display.
20
BASS (bass) MID (mid-range)
Level Q Freq.
00 Q1.0 1.0 kHz
+03 Q1.0 1.0 kHz
+01 Q1.0 1.0 kHz
+02 Q1.0 1.0 kHz
+04 Q1.0 1.0 kHz
+03 Q1.0 1.0 kHz
Preset value
TRE (treble)
Level Q Freq.
00 Q1.25 7.5 kHz
00 Q1.25 10.0 kHz
00 Q1.25 10.0 kHz
+01 Q1.25 10.0 kHz
–02 Q1.0 10.0 kHz
00 Q1.25 10.0 kHz
Remedies/Causes
• Adjust the volume to the optimum level.
• Check the cords and connections.
Reset the unit (see page 3).
Store stations manually.
Connect the antenna firmly.
Insert the disc correctly.
• Insert a finalized CD-R/CD-RW.
• Finalize the CD-R/CD-RW with the component which
you used for recording.
• Unlock the disc (see page 9).
• Eject the disc forcibly (see page 3).
• Stop playback while driving on rough roads.
• Change the disc.
• Check the cords and connections.
Insert a playable disc into the loading slot.
LOUD
(loudness)
Level Q
00 Q1.25
+02 Q1.25
+03 Q1.25
OFF
+02 Q1.25
+01 Q1.25
+03 Q1.25