JVC KD-G737: Troubleshooting

Troubleshooting: JVC KD-G737

Troubleshooting

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

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Symptom Remedy/Cause

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 skipped.

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

you used for recording.

Disc can neither be played back nor ejected. Unlock the disc (see page 11).

Eject the disc forcibly (see page 2).

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

Discs in general

Change the disc.

Check the cords and connections.

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

“PLEASE” and “EJECT” appear alternately on

This occurs sometimes due to over-heating. Eject the disc

the display.

or change to another playback source.

Disc cannot be played back. Use a disc with MP3/WMA/AAC tracks recorded in

the format compliant with ISO 9660 Level 1, Level 2,

Romeo, or Joliet.

Add the extension code <.mp3>, <.wma>, or

<.m4a> to the file names.

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

the extension code <.mp3>, <.wma>, or <.m4a> to

MP3/WMA/AAC

non-MP3/WMA/AAC tracks.)

A longer readout time is required (“CHECK”

Do not use too many hierarchies and folders.

keeps flashing on the display).

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Symptom Remedy/Cause

Tracks do not play back in the order you have

Playback order is determined when files are recorded.

intended them to play.

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

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the tracks are recorded on the disc.

“PLEASE” and “EJECT” appear alternately on

Insert a disc that contains MP3/WMA/AAC tracks.

the display.

MP3/WMA/AAC

Correct characters are not displayed (e.g.

This unit can only display letters (Roman and Cyrillic

album name).

alphabets—upper case), numbers, and a limited number

of symbols.

Noise is generated. The track played back is not an MP3/WMA/AAC/WAV

track. Skip to another file. (Do not add the extension code

<.mp3>, <.wma>, <.m4a>, or <.wav> to non-MP3/

WMA/AAC/WAV tracks.)

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

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/AAC/WAV

track.

“NO FILE” flashes on the display.

Attach a USB device that contains tracks encoded in an

USB device

“NO USB” appears on the display.

appropriate format.

“READ” and “FAILED” appear alternately on

The total number of tracks could not be accessed properly.

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.

While playing a track, sound is sometimes

MP3/WMA/AAC/WAV tracks have not been properly

interrupted.

copied into the USB device.

Copy MP3/WMA/AAC/WAV tracks again into the USB

device, and try again.

Continued on the next page

35REFERENCES

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Symptom Remedy/Cause

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

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from another device. Disconnect currently connected

device and search again.

The unit does not detect the Bluetooth device. Check the Bluetooth setting of the device.

Search from the Bluetooth device. After the device

detects the unit, select “OPEN” on the unit to connect

the device. (See page 14.)

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 15.)

Echo or noise occurs. Adjust the microphone unit position.

Bluetooth *

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

Bluetooth audio device.

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

signal reception.

The sound is interrupted or skipped during

Reduce the distance between the unit and the

playback of a Bluetooth audio device.

Bluetooth audio device.

Disconnect the device connected for “BT-PHONE.”

Turn off, then turn on the unit.

(When the sound is not yet restored,) connect the

device again.

The connected audio device cannot be

Check whether the connected audio device supports

controlled.

AVRCP (Audio Video Remote Control Profile).

“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 display. Press the reset button of the CD changer.

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

* For Bluetooth operations, refer also to the instructions supplied with the Bluetooth Adapter.

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Symptom Remedy/Cause

“noSIGNAL” appears on the display. Move to an area with stronger signals.

“RESET 08” appears on the display. Connect this unit and the DAB tuner correctly and reset

the unit (see page 2).

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DAB

The DAB tuner does not work at all. Reconnect this unit and the DAB tuner correctly. Then,

reset the unit (see page 2).

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

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

Check the connecting cable and its connection.

not work.

Update the firmware version.

Charge the battery.

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

iPod/D. player.

“NO IPOD” or “NO DP” 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 21).

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

iPod/D. player

“ERROR 01” appears on the display when

it again.

connecting a D. player.

“NO FILE” 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 display. Disconnect the adapter from both the unit and iPod/

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.

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.

37REFERENCES

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