Troubleshooting - JVC KD-ADV7490 Manuel D'instructions

Troubleshooting

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.
• 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.
• Disc can be neither played back nor ejected.
• Recordable/Rewritable discs cannot be
played back.
• Tracks on the Recordable/Rewritable discs
cannot be skipped.
• Disc cannot be recognized.
• Sound and pictures are sometimes
interrupted or distorted.
• No playback picture (DVD-Video/DivX/MPEG/
VCD) appears on the monitor.
• No picture appears on the monitor at all.
• The left and right edges of the picture are
missing on the monitor.
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Symptom 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.
• Unlock the disc (see page 14).
• Eject the disc forcibly (see page 3).
• Insert a finalized disc.
• Finalize the discs with the component which you
have used for recording.
Eject the disc forcibly (see page 3).
• Stop playback while driving on rough roads.
• Change the disc.
• Check the cords and connections.
Parking brake wire is not connected properly. (See
Installation/Connection Manual.)
• Connect the video cord correctly.
• Select a correct input on the monitor.
Select "4:3 LETTERBOX" (see page 49).