JVC KD-G631: Troubleshooting

Troubleshooting: JVC KD-G631

Troubleshooting

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

Symptoms Remedies/Causes

ENGLISH

• Sound cannot be heard from the speakers. • Adjust the volume to the optimum level.

• Check the cords and connections.

General

• The unit does not work at all. Reset the unit (see page 2).

• SSM automatic presetting does not work. Store stations manually.

FM/AM

• Static noise while listening to the radio. Connect the aerial firmly.

• Disc cannot be played back. Insert the disc correctly.

• CD-R/CD-RW cannot be played back.

• Insert a finalized CD-R/CD-RW.

• Tracks on the CD-R/CD-RW cannot be

•

Finalize the CD-R/CD-RW with the component which you

skipped.

used for recording.

• Disc can neither be played back nor ejected. • Unlock the disc (see page 13).

• Eject the disc forcibly (see page 2).

Disc playback

• Disc sound is sometimes interrupted. • Stop playback while driving on rough roads.

• Change the disc.

• Check the cords and connections.

• “NO DISC” appears on the display. Insert a playable disc into the loading slot.

• Disc cannot be played back. • 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.

• Noise is generated. Skip to another track or change the disc. (Do not add the

extension code <.mp3> or <.wma> to non-MP3 or

WMA tracks.)

• A longer readout time is required (“CHECK”

Do not use too many hierarchies and folders.

keeps flashing on the display).

• Tracks are not played back in the order you

Playback order is determined when the files are recorded.

MP3/WMA playback

have intended.

• Elapsed playing time is not correct. This sometimes occurs during play. This is caused by how

the tracks are recorded on the disc.

• “PLEASE” and “EJECT” appear alternately on

Insert a disc that contains MP3/WMA tracks.

the display.

• Correct characters are not displayed (e.g.

This unit can only display letters (upper case), numbers,

album name).

and a limited number of symbols.

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Symptoms Remedies/Causes

• Noise is generated. The track played back is not an MP3/WMA track. Skip to

another file. (Do not add the extension code <.mp3> or

<.wma> to non-MP3 or WMA tracks.)

• “CHECK” keeps flashing on the display. • Readout time varies depending on the USB memory.

ENGLISH

• Do not use too many hierarchy, folders, and empty

folders*.

• Turn off the power then on again.

*

Folder that is physically empty or folder that contains

data but does not contain valid MP3/WMA track.

• Tracks/folders do not play back in the order

Playback order is determined by the write-in time stamp.

you have intended them to play.

The first track/folder written into the USB memory will be

the first track/folder for playback.

• “NO FILE” flashes on the display.

Attach a USB memory that contains tracks encoded in an

• “NO USB” appears on the display.

appropriate format.

USB memory playback

• “READ” and “FAILED” appear alternately on

The total number of tracks could not be accessed

the display.

properly.

• Correct characters are not displayed (e.g.

This unit can only display letters (upper case), numbers,

album name).

and a limited number of symbols.

• While playing a track, sound is sometimes

MP3/WMA tracks have not been properly copied into the

interrupted.

USB memory.

Copy MP3/WMA tracks again into the USB memory, and

try again.

• “NO DISC” appears on the display. Insert a disc into the magazine.

• “NO MAG” appears on the display. Insert the magazine.

• “RESET 8” appears on the display. Connect this unit and the CD changer correctly and press

the reset button of the CD changer.

CD changer

• “RESET 1” – “RESET 7” 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 2).

• “noSIGNAL” appears on the display.

Move to an area with stronger signals.

• “RESET 8” appears on the display. Connect this unit and the DAB tuner correctly and reset

the unit (see page 2).

DAB

• “ANTENANG” appears on the display. Check the cords and connections.

• The DAB tuner does not work at all. Reconnect this unit and the DAB tuner correctly and reset

the unit (see page 2).

Continued on the next page

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Symptoms Remedies/Causes

• The iPod or D. player does not turn on or

• Check the connecting cable and its connection.

does not work.

• Update the firmware version.

•

Charge the battery.

ENGLISH

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

iPod/D. player.

• “NO IPOD” or “NO DP” appears on the

•

Check the connecting cable and its connection.

display.

•

Charge the battery.

• Playback stops. The headphones are disconnected during playback.

Restart the playback operation using the control panel

(see page 19).

• 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 sound can be heard.

Disconnect the adapter from the D. player. Then, connect

• “ERROR 01” appears on the display when

it again.

iPod/D. player playback

connecting a D. player.

• “NO FILES” or “NO TRACK” appears on the

No tracks are stored. Import tracks to the iPod or D. player.

display.

• “RESET 1” – “RESET 7” appears on the

Disconnect the adapter from both the unit and iPod/

display.

D. player. Then, connect it again.

• “RESET 8” appears on the display.

Check the connection between the adapter and this unit.

• The iPod’s or D. player’s controls do not work

Reset the iPod or D. player.

after disconnecting from this unit.

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

United States and/or other countries.

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

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