Troubleshooting
80
Troubleshooting
Problems and Solutions
If any trouble occurs, first check the following
table for possible problems.
NOTE
• Some functions of this unit may be disabled by
some settings made on this unit.
• What might seem to be a malfunction in your
unit may just be the result of slight misoperation
or miswiring.
Ñ
About settings
• Cannot set up the subwoofer.
• Cannot set up subwoofer phase.
• No output from the subwoofer.
• Cannot set up the low pass filter.
• Cannot set up the high pass filter.
Subwoofer is not set to on.
h
Set the subwoofer to on. See
.
The dual zone function is enabled.
h
Set the dual zone function to off. See
.
• Cannot select the output destination of the
subsource in the dual zone.
• Cannot adjust the volume of the rear speakers.
The dual zone function is disabled.
h
Set the dual zone function to on. See
.
• Cannot set up the equalizer.
• Cannot set up the crossover network.
The dual zone function is enabled.
h
Set the dual zone function to off. See
.
Ñ
About audio operations
Radio reception is poor.
The car antenna is not extended.
h
Pull out the antenna all the way.
The antenna control wire is not connected.
h
Connect the wire correctly. See
system and external components (P.77)
.
Cannot select a folder.
The random play function is enabled.
h
Turn off the random function.
The sound skips when an audio file is being
played.
The recording condition is bad.
h
Record the file again.
No sound while using Mirroring for JVC
application.
h
Make sure the smartphone and the unit is
connected via Bluetooth and connected over
A2DP/SPP.
h
Raise the volume on your smartphone.
Some application does not support Mirroring for JVC
application playback. (Apple Music App does not
support playback using Mirroring for JVC application.)
h
Try another music application.
No sound while using “iPod” source or “Bluetooth”
source.
h
Make sure you stop broadcast on iPhone's screen
recording function after you disconnect from
mirroring operations.
Cannot operate Mirroring for JVC application with
touch panel operation.
Available functions may differ from the ones operated
on the smartphone.
Depending on the connected smartphone, some
functions do not work on this unit.
Depending on the operating system (OS) of the
connected smartphone, some functions do not work
on this unit.
h
Change the smartphone to compatible device. See
USB Mirroring Operation (P.26)
.
The unit does not respond when you try to
perform a operation during USB mirroring.
h
Unplug the smartphone from the USB (Black)
terminal, then reattach the smartphone again.
Ñ
Others
The Touch Sensor Tone doesn’t sound.
The preout jack is being used.
h
The Touch Sensor Tone cannot be output from the
preout jack.
Error Messages
When you fail to operate the unit correctly, the
cause of the failure appears as the message on
the screen.
There is an error in the speaker wiring. Please
check the connections.
Protective circuit has been activated because a speaker
cord has shorted or it has come in contact with the car
chassis.
h
Wire or insulate the speaker cord as appropriate and
turn the power off and on again.
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