Troubleshooting - JVC KD-AV31 Instruction Manual

Troubleshooting

Symptom
Sound cannot be heard.
"PARKING is not enabled. No
video while driving." appears
and no playback picture is
shown.
The unit does not work at all.
The remote control does not
work.
Playback source cannot be
selected.
• Recordable/Rewritable discs
cannot be played back.
• Tracks on the Recordable/
Rewritable discs cannot be
skipped.
"DVD Region Error" appears and
DVD-Video does not play.
Playback order is not as
intended.
Elapsed playing time is not
correct.
Playback does not start or the
track is skipped.
It takes a long time to read
the file.
Connected device cannot be
detected.
Remedy
• Adjust the volume to the optimum level.
• Check the cords and connections.
Parking brake is not engaged.
Reset the unit. ( 4)
Replace the battery.
The source is not ready. Insert a disc or connect a device
beforehand.
• Insert a finalized disc.
• Finalize the discs with the component which you used
for recording.
Insert a disc with the correct Region Code.
The playback order is determined by the file name (USB) or
the order in which files were recorded (disc).
The elapsed playing time depends on the recording process
used.
• Check whether the track is a playable format.
( 15)
• Record the tracks using a compliant application on the
appropriate discs.
• Add appropriate extension codes to the file name.
• Do not use too many hierarchical levels and folders.
• Reload the disc or reattach the USB device.
• Check whether the connected device is compatible with
this unit and ensure the files are in supported formats.
( 15)
• Reattach the device.
Symptom
• Radio reception is poor.
• Static noise while listening to
the radio.
The iPod/iPhone does not turn
on or does not work.
Sound is distorted.
Phone sound quality is poor.
The sound is interrupted or
skipped while using a Bluetooth
audio player.
The connected audio player
cannot be controlled.
The Bluetooth device does not
detect the unit.
The unit does not pair with the
Bluetooth device.
* Only for KD-AV41BT.
17
Remedy
• Connect the antenna firmly.
• Pull the antenna out all the way.
• Check the connection between this unit and the iPod/
iPhone.
• Check whether the control mode is appropriate.
( 7)
• Detach and reset the iPod/iPhone using hard reset.
Deactivate the equalizer either on this unit or the iPod/
iPhone.
• Reduce the distance between the unit and the Bluetooth
mobile phone.
• Move the car to a place where you can get a better signal
reception.
• Reduce the distance between the unit and the Bluetooth
audio player.
• Turn off, then turn on the unit.
(When the sound is not yet restored) connect the player
again.
• Check whether the connected audio player supports
AVRCP (Audio Video Remote Control Profile).
Search from the Bluetooth device again.
• Turn off, then turn on the Bluetooth device.
• Disconnect the device currently connected.
ENGLISH