JVC KD-ADV7490 ユーザーズマニュアル

ENGLISH

62

What appears to be trouble is not always serious. Check the following points before calling a service center.

•  Sound cannot be heard from the speakers.

•  Adjust the volume to the optimum level.
•  Check the cords and connections.

•  The unit does not work at all.

Reset the unit (see page 3).

•  “Connect Error” appears on the display.

Remove the control panel, wipe the connector, then 
attach it again (see page 4).

•  SSM automatic presetting does not work.

Store stations manually.

•  Static noise while listening to the radio.

Connect the antenna firmly.

•  Disc cannot be played back.

Insert the disc correctly.

•  Disc can be neither played back nor ejected.

•  Unlock the disc (see page 14).
•  Eject the disc forcibly (see page 3).

•  Recordable/Rewritable discs cannot be 

played back.

•  Tracks on the Recordable/Rewritable discs 

cannot be skipped.

•  Insert a finalized disc.
•  Finalize the discs with the component which you 

have used for recording.

•  Disc cannot be recognized.

Eject the disc forcibly (see page 3).

•  Sound and pictures are sometimes 

interrupted or distorted.

•  Stop playback while driving on rough roads.
•  Change the disc.
•  Check the cords and connections.

•  No playback picture (DVD-Video/DivX/MPEG/

VCD) appears on the monitor.

Parking brake wire is not connected properly. (See 
Installation/Connection Manual.)

•  No picture appears on the monitor at all.

•  Connect the video cord correctly.
•  Select a correct input on the monitor.

•  The left and right edges of the picture are 

missing on the monitor.

Select “4:3 LETTERBOX” (see page 49).

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1/21/08   3:09:21 PM

1/21/08   3:09:21 PM