JVC KD-G637: Troubleshooting

Troubleshooting: JVC KD-G637

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.)

MP3/WMA playback

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.

have intended.

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Symptoms Remedies/Causes

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.

ENGLISH

Correct characters are not displayed (e.g.

This unit can only display Roman alphabets (upper case),

album name).

Cyrillic alphabets (upper case), numbers, and a limited

MP3/WMA playback

number of symbols (see page 25).

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.

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).

Continued on the next page

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Symptoms Remedies/Causes

“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).

ENGLISH

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).

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.

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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