JVC KD-AR780 Manuel D'instructions page 42

Troubleshooting
What appears to be trouble is not always serious. Check the following points before calling a service center.
Symptom
• Sound cannot be heard from the speakers.
• The unit does not work at all.
• "Connect Error" appears on the display.
• 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 cannot be recognized ("No Disc," "Loading
Error," or "Eject Error" flashes).
• Disc sound is sometimes interrupted.
• "Please Eject" appears on the display.
• Disc cannot be played back.
• Noise is generated.
• A longer readout time is required ("File Check"
keeps flashing on the display).
• Tracks do not play back in the order you have
intended them to play.
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Remedy/Cause
• Adjust the volume to the optimum level.
• Check the cords and connections.
Reset the unit (see page 3).
Remove the control panel, wipe the connector, then attach
it again (see page 4).
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 11).
• Eject the disc forcibly (see page 3).
Eject the disc forcibly (see page 3).
• Stop playback while driving on rough roads.
• Change the disc.
• Check the cords and connections.
This occurs sometimes due to over-heating. Eject the disc
or change to another playback source.
• Use a disc with MP3/WMA tracks recorded in the format
compliant with ISO 9660 Level 1, Level 2, Romeo, or
Joliet.
• Add the extension code <.mp3> or <.wma> to the file
names.
Skip to another track or change the disc. (Do not add the
extension code <.mp3> or <.wma> to non-MP3 or WMA
tracks.)
Do not use too many hierarchies and folders.
Playback order is determined when files are recorded.