Owner's Manual

Troubleshooting
59English
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 lter.
• Cannot set up the high pass lter.
Subwoofer is not set to on.
 Set the subwoofer to on. See Speaker/ X’over
setup (P.48).
Ñ About audio operations
Radio reception is poor.
The car antenna is not extended.
 Pull out the antenna all the way.
The antenna control wire is not connected.
 Connect the wire correctly. See Connecting wires
to terminals (P.57).
Cannot select a folder.
The random play function is enabled.
 Turn off the random function.
Cannot perform repeat play during VCD
playback.
The PBC function is enabled.
 Turn off the PBC function.
The sound skips when an audio le is being
played.
The recording condition is bad.
 Record the file again or use another USB memory.
The specied disc does not play, but another one
plays instead.
The disc is quite dirty.
 Clean the disc. See Precautions on handling
discs (P.5).
The disc is severely scratched.
 Try another disc instead.
The sound skips when an audio le is being
played.
The disc is scratched or dirty.
 Clean the disc. See Precautions on handling
discs (P.5).
The recording condition is bad.
 Record the file again or use another disc.
Ñ Other
The Touch Sensor Tone doesn’t sound.
The preout jack is being used.
 The Touch Sensor Tone cannot be output from the
preout jack.
Android smartphone operation is slow.
This occurs when multiple applications are started on
the Android smartphone.
 For details, see Caution for Smartphone Users
(P.5).
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.
 Wire or insulate the speaker cord as appropriate
and turn the power off and on again.
[Hot Error]
When the internal temperature of this unit rises to
60°C or more, the protection circuit is activated and
you may not be able to operate the unit.
 Use the unit again after reducing the temperature
of the unit.
!B5H-0357-03_JVC_KWV_K_En.indb 59 2020/07/09 8:19