Главная > Инструкция к Автомагнитоле JVC KD-DV7307 > Troubleshooting

JVC KD-DV7307: Troubleshooting

Troubleshooting: JVC KD-DV7307

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.

• Disc can be neither played back nor

• Unlock the disc (see page 15).

ejected.

• Eject the disc forcibly (see page 2).

• Recordable/Rewritable discs cannot be

• Insert a finalized disc.

played back.

• Finalize the discs with the component which you have

• Tracks on the Recordable/Rewritable discs

used for recording.

cannot be skipped.

• Disc cannot be recognized. Eject the disc forcibly (see page 2).

• 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/DVD-VR/

Parking brake wire is not connected properly. (See

DivX/MPEG/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 47).

missing on the monitor.

Continued on the next page

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Symptom Remedy/Cause

• Tracks cannot be played back. • 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>, <.m4a>, or

<.wav> to the file names.

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

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

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

MP3/WMA/AAC/WAV tracks.)

• While playing a track, sound is

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

sometimes interrupted while listening to

copied into the USB device.

a USB device.

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

device, and try again.

• Longer readout time is required.

• Readout time varies due to the complexity of the

• “READING” keeps flashing on the display

folder/file configuration.

while listening to a USB device.

• 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.

DivX/MPEG Video/MP3/WMA/AAC/WAV and USB device

• Tracks cannot play back as you have

Playback order is determined when files are recorded.

intended them to play.

• No sound can be heard when picture is

• Record the audio track using MP3 or Dolby Digital as

displayed while playing a DivX/MPEG

the audio stream of DivX files.

Video file.

• Record the audio track using MPEG1 Audio Layer 2 as

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.

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Symptom Remedy/Cause

• “PLEASE” and “EJECT” appear alternately

• Insert a disc that contains tracks encoded in an

on the display while listening to a disc.

appropriate format.

• “NO FILE” or “NO USB” appears on the

• Connect a USB device that contains tracks encoded in

display while listening to a USB device.

an appropriate format.

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• The total number of tracks recorded on the USB device

could not be accessed properly.

• Correct characters are not displayed (e.g.

This unit can only display letters (Roman and Cyrillic

WAV and USB device

album name).

alphabets—upper case), numbers, and a limited

DivX/MPEG Video/MP3/WMA/AAC/

number of symbols.

• 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 31.)

• 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 32.)

• 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

• Reduce the distance between the unit and the

during playback of a Bluetooth audio

Bluetooth audio device.

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).

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

Continued on the next page

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Symptom Remedy/Cause

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

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

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• “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

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

reset the unit (see page 2).

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

• 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 this 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 (see page 38).

• No sound can be heard when connecting

• Disconnect the headphones from the iPod nano.

an 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 FILES” or “NO TRACK” appears on the

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

display.

player.

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

Disconnect the adapter from both this 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

Reset the iPod or D. player.

work after disconnecting from this unit.

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