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JVC KD-DV7402: Troubleshooting

Troubleshooting: JVC KD-DV7402

Troubleshooting

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

Symptom Remedy/Cause

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• 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).

General

• “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.

FM/AM

• 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 16).

• Eject the disc forcibly (see page 3).

• Recordable/Rewritable discs cannot be

• Insert a finalized disc.

played back.

• Finalize the discs with the component which you

• Tracks on the Recordable/Rewritable discs

have used for recording.

cannot be skipped.

• Disc cannot be recognized. Eject the disc forcibly (see page 3).

• Sound and pictures are sometimes

• Stop playback while driving on rough roads.

interrupted or distorted.

• Change the disc.

Discs in general

• Check the cords and connections.

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

Parking brake wire is not connected properly. (See

VCD) appears on the monitor.

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

Select “4:3 LETTERBOX” (see page 50).

missing on the monitor.

Continued on the next page

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Symptom Remedy/Cause

• Disc cannot be played back. • Change the disc.

• Record the tracks using a compliant application in

the appropriate discs (see page 6).

• Add the extension code <.divx>, <.div>, <.avi>,

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<.mpg>, <.mpeg>, <.mp3>, <.wma>, or

<.wav> to the file names.

• Noise is generated. Skip to another track or change the disc.

• Tracks cannot play back as you have intended

Playback order is determined when files are recorded.

them to play.

• Longer readout time is required (“Reading”

Readout time varies due to the complexity of the

keeps flashing on the display).

folder/file configuration. Do not use too many

hierarchies and folders.

• No sound can be heard when picture is

• Record the audio track using MP3 or Dolby Digital as

displayed while playing a DivX/MPEG Video

the audio stream of DivX files.

file.

• Record the audio track using MPEG1 Audio Layer 2 as

DivX/MPEG Video/MP3/WMA/WAV

the audio stream for MPEG Video files.

• Elapsed playing time is not correct. This sometimes occurs during playback. This is caused

by how the tracks are recorded.

• “Please Eject” appears on the display. Insert a disc that contains tracks of appropriate formats.

• Correct characters are not displayed (e.g.

This unit can only display letters (capital: A – Z,

album name).

small: a – z), numbers, and a limited number of

symbols (see page 58).

• Noise is generated. • The track played back is not a playable file format

(MP3/WMA/WAV). Skip to another file.

• Do not add the extension code <.mp3>, <.wma>,

or <.wav> to non-MP3/WMA/WAV tracks.

• Tracks cannot play back as you have intended

Playback order may differs from the one played back

them to play.

using other players.

• “Reading” keeps flashing on the display. • Readout time varies depending on the USB device.

• Do not use too many hierarchy, folders and empty

USB device

folders.*

• Turn off the power then on again.

• Do not pull out or connect the USB device repeatedly

while “Reading” is displayed on the display.

* Folder that is physically empty or folder that contains

data but does not contain valid MP3/WMA/WAV track.

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Symptom Remedy/Cause

• “No File” flashes on the display.

Connect a USB device that contains tracks encoded in an

• “No USB” appears on the display.

appropriate format.

• “Not Support” appears on the display and

The track is unplayable.

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track skips.

• “Read failed” appears on the display. The connected USB device may be malfunctioning,

or may not have been formatted correctly. The files

included in the USB device are corrupted.

• Correct characters are not displayed (e.g.

For available characters, see page 58.

USB device

album name).

• While playing a track, sound is sometimes

The tracks have not been properly copied into the USB

interrupted.

device. Copy tracks again into the USB device, and try

again.

• The sound is interrupted or skipped during

• Turn off, then turn on the unit.

playback of a USB device.

• Connect the device again, when the sound is not yet

restored.

• Bluetooth device does not detect the unit. The unit can be connected with one Bluetooth cellular

phone and one Bluetooth audio device at a time.

While connecting a device, this unit cannot be detected

from another device. Disconnect currently connected

device and search again.

• The unit does not detect the Bluetooth

• Check the Bluetooth setting of the device.

device.

• Search from the Bluetooth device. After the device

detects the unit, select “Open...” on the unit to connect

the device. (See page 28.)

Bluetooth ®

• The unit does not make pairing with the

• Enter the same PIN code for both the unit and target

Bluetooth device.

device.

• Select the device name from “Special,” then try to

connect again. (See page 29.)

• Phone sound quality is poor. • Reduce the distance between the unit and the

Bluetooth cellular phone.

• Move the car to a place where you can get a better

signal reception.

Continued on the next page

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Symptom Remedy/Cause

• The sound is interrupted or skipped during

• Reduce the distance between the unit and the

playback of a Bluetooth audio player.

Bluetooth audio player.

• Turn off, then turn on the unit.

• When the sound is not yet restored: Connect the player

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again.

Bluetooth ®

• The connected audio player cannot be

Check whether the connected audio player supports

controlled.

AVRCP (Audio Video Remote Control Profile).

(Operations depend on the connected audio player.)

• “No Disc” appears on the display. Insert a disc into the magazine.

• “No Magazine” appears on the display. Insert the magazine.

• “Reset 08” appears on the display. Connect this unit and the CD changer correctly and press

the reset button of the CD changer.

CD changer

• “Reset 01” – “Reset 07” appears on the

Press the reset button of the CD changer.

display.

• The CD changer does not work at all. Reset the unit (see page 3).

• “No DAB Signal” appears on the monitor.

Move to an area with stronger signals.

• “Reset 08” appears on the monitor.

Connect this unit and the DAB tuner correctly and reset

the unit (see page 3).

DAB

• The DAB tuner does not work at all.

Check the cords and connections.

• “Antenna Power NG” appears on the

Reconnect this unit and the DAB tuner correctly and

monitor.

reset the unit (see page 3).

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Symptom Remedy/Cause

• The iPod does not turn on or does not work. • Check the connecting cable and its connection.

• Update the firmware version.

• Charge the battery.

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• The sound is distorted. Deactivate the equalizer either on this unit or the iPod.

• “Disconnect” appears on the display. • Check the connecting cable and its connection.

• Charge the battery.

• Playback stops. The headphones are disconnected during playback.

Restart the playback operation (see page 37).

iPod

• No sound can be heard when connecting an

• Disconnect the headphones from the iPod nano.

iPod nano.

• Update the firmware version of the iPod nano.

• “No File” appears on the display. No tracks are stored. Import tracks to the iPod.

• “Reset 01” – “Reset 07” appears on the

Disconnect the adapter from both this unit and iPod.

display.

Then, connect it again.

• “Reset 08” appears on the display. Check the connection between the adapter and this unit.

• The iPod’s controls do not work after

Reset the iPod.

disconnecting from this unit.

• Manufactured under license from Dolby Laboratories. Dolby and the double-D symbol are trademarks of Dolby

Laboratories.

• “DTS” and “DTS Digital Out” are registered trademarks of DTS, Inc.

• “DVD Logo” is a trademark of DVD Format/Logo Licensing Corporation registered in the US, Japan and other

countries.

• DivX, DivX Ultra Certified, and associated logos are trademarks of DivX, Inc. and are used under license.

• Official DivX® Ultra Certified product

• Plays all versions of DivX® video (including DivX® 6) with enhanced playback of DivX® media files and the DivX®

Media Format

• Microsoft and Windows Media are either registered trademarks or trademarks of Microsoft Corporation in the

United States and/or other countries.

• The Bluetooth word mark and logos are owned by the Bluetooth SIG, Inc. and any use of such marks by Victor

Company of Japan, Limited (JVC) is under license. Other trademarks and trade names are those of their respective

owners.

• iPod is a trademark of Apple Inc., registered in the U.S. and other countries.

• This product incorporates copyright protection technology that is protected by U.S. patents and other intellectual

property rights. Use of this copyright protection technology must be authorized by Macrovision, and is intended

for home and other limited viewing uses only unless otherwise authorized by Macrovision. Reverse engineering or

disassembly is prohibited.

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