JVC KD-G721: Troubleshooting
Troubleshooting: JVC KD-G721
To keep discs clean
To play new discs
A dirty disc may not play correctly.
New discs may have some rough
If a disc does become dirty, wipe it
spots around the inner and outer
with a soft cloth in a straight line
edges. If such a disc is used, this
from center to edge.
unit may reject the disc.
• Do not use any solvent (for example,
To remove these rough spots, rub the edges
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conventional record cleaner, spray, thinner,
with a pencil or ball-point pen, etc.
benzine, etc.) to clean discs.
Do not use the following discs:
Sticker
Stick-on label
Warped disc
Sticker residue
Troubleshooting
What appears to be trouble is not always serious. Check the following points before calling a service
center.
Symptoms Remedies/Causes
• Sound cannot be heard from the
• Adjust the volume to the optimum level.
speakers.
• Check the cords and connections.
General
• The unit does not work at all. Reset the unit (see page 2).
• SSM automatic presetting does not
Store stations manually.
work.
FM/AM
• Static noise while listening to the
Connect the aerial firmly.
radio.
• Disc cannot be played back. Insert the disc correctly.
• CD-R/CD-RW cannot be played
• Insert a finalized CD-R/CD-RW.
back.
•
Finalize the CD-R/CD-RW with the component
• Tracks on the CD-R/CD-RW cannot
which you used for recording.
be skipped.
• Disc can be neither played back nor
• Unlock the disc (see page 13).
Disc playback
ejected.
• Eject the disc forcibly (see page 2).
• Disc sound is sometimes interrupted. • Stop playback while driving on rough roads.
• Change the disc.
• Check the cords and connections.
• 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.
MP3/WMA playback
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Symptoms Remedies/Causes
• 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
Do not use too many hierarchies and folders.
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(“CHECK” keeps flashing on the
display).
• Tracks do not play back in the order
Playback order is determined when the files are
you have intended them to play.
recorded.
• Elapsed playing time is not correct. This sometimes occurs while playing. This is
MP3/WMA playback
caused by how the tracks are recorded on the disc.
• “NO FILES” appears on the display. Insert a disc that contains MP3/WMA tracks.
• Correct characters are not displayed
This unit can only display letters (upper case),
(e.g. album name).
numbers, and a limited number of symbols.
• 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
• Readout time varies depending on the USB
display.
memory.
• Do not use too many hierarchy and folders.
• Turn off the power then on again.
• “NO FILES” flashes on the display. Attach a USB memory that contains tracks
encoded in an appropriate format.
• “NOT SUPP” appears on the display
The track is unplayable.
and track skips.
• “READ” and “FAILED” appear
• The attached USB memory may be
alternately on the display, then
malfunctioning, or may not have been formatted
returns to the previous source.
correctly. The files included in the USB memory
USB memory playback
are corrupted.
• Do not pull out or attach the USB memory
repeatedly while “CHECK” appears on the
display.
• Correct characters are not displayed
This unit can only display letters (upper case),
(e.g. album name).
numbers, and a limited number of symbols.
• While playing a track, sound is
MP3/WMA tracks have not been properly copied
sometimes interrupted.
into the USB memory.
Copy MP3/WMA tracks again into the USB
memory, and try again.
Continued on the next page
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Symptoms Remedies/Causes
• “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.
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CD changer
• “RESET 1” – “RESET 7” appears on
Press the reset button of the CD changer.
the display.
• The CD changer does not work at all. Reset the unit (see page 2).
• The iPod or D. player does not turn
• Check the connecting cable and its connection.
on or does not work.
• Update the firmware version.
•
Change the battery.
• Buttons do not work as intended. The functions of the buttons have been changed.
Press MODE before performing the operation.
• The sound is distorted. Deactivate the equalizer either on the unit or the
iPod/D. player.
• “NO IPOD” or “NO DP” appears on
Check the connecting cable and its connection.
the display.
• 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
Disconnect the headphones from the iPod nano.
connecting an iPod nano.
• No sound can be heard.
Disconnect the adapter from the D. player. Then,
• “ERROR 01” appears on the display
connect it again.
iPod/D. player playback
when connecting a D. player.
• “NO FILES” or “NO TRACK”
No tracks are stored. Import tracks to the iPod or
appears on the display.
D. player.
• “RESET 1” – “RESET 7” appears on
Disconnect the adapter from both the unit and
the display.
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
Reset the iPod or D. player.
not work after disconnecting from
this unit.
• “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).
• “ANTENANG” appears on the
Check the cords and connections.
DAB
display.
• The DAB tuner does not work at all. Reconnect this unit and the DAB tuner correctly
and reset the unit (see page 2).
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Оглавление
- CONTENTS
- Control panel — KD-G722 and KD-G721
- Remote controller — RM-RK50
- Getting started
- Radio operations
- FM RDS operations
- ! Start searching for your favorite
- Disc/USB memory
- ~
- Sound adjustments
- General settings — PSM
- Title assignment
- ⁄ Adjust the sound as you want. (See iPod®/D. player operations
- Other external component
- Ÿ Turn on the connected component ~
- More about this unit
- Maintenance
- Troubleshooting
- Specifications
- INHALT
- Bedienfeld — KD-G722 und KD-G721
- Fernbedienung — RM-RK50
- Erste Schritte
- Bedienung des Tuners
- UKW-RDS-Funktionen
- ! Beginnen Sie die Suche nach Ihrer
- Disk/USB-Speicherbetrieb.
- ~
- Klangeinstellungen
- Allgemeine Einstellungen—PSM
- Titel zuweisen
- ⁄ Stellen Sie den Klang nach Wunsch iPod®/D. player-
- Bedienung von anderen
- Ÿ Schalten Sie die angeschlossene ~
- Weitere Informationen zu
- Wartung
- Störungssuche
- Technische Daten
- CОДЕРЖАНИЕ
- Панель управления — KD-G722 и KD-G721
- Пульт дистанционного управления — RM-RK50
- Начало работы
- Операции с
- Операции с FM RDS
- ! Запустите поиск любимой
- Операции с дисками или
- ~
- Настройки звучания
- Общие настройки — PSM
- Присвоения названия
- ⁄ Настройка необходимого звука. Операции
- Другие операции с
- Ÿ Включите подключенное ~
- Дополнительная
- Обслуживание
- Устранение проблем
- Технические характеристики
- Please reset your unit
