Kenwood DMX7705S Instruction manual - Page 96

Troubleshooting, Problems and Solutions, Error Messages

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Troubleshooting 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. ÑÑAbout 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. †† Set the subwoofer to on. See Speaker/ X'over setup (P.78). The dual zone function is enabled. †† Set the dual zone function to off. See Zone Control (P.81). • 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. †† Set the dual zone function to on. See Zone Control (P.81). • Cannot set up the equalizer. • Cannot set up the crossover network. The dual zone function is enabled. †† Set the dual zone function to off. See Zone Control (P.81). ÑÑAbout 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 the system and external components (P.94). 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 specified disc does not play, but another one plays instead. The disc is quite dirty. †† Clean the disc. See Precautions on handling discs (P.4). The disc is severely scratched. †† Try another disc instead. The sound skips when an audio file is being played. The disc is scratched or dirty. †† Clean the disc. See Precautions on handling discs (P.4). The recording condition is bad. †† Record the file again or use another disc. ÑÑOther 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. Mecha Error The disc player is malfunctioning. †† Eject the disc and try inserting it again. Contact the KENWOOD dealer if this indicator continues blinking or the disc cannot be ejected. 96

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Troubleshooting
96
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
Speaker/ X’over
setup (P.78)
.
The dual zone function is enabled.
h
Set the dual zone function to off. See
Zone Control
(P.81)
.
• 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
Zone Control
(P.81)
.
• 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
Zone Control
(P.81)
.
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
Connecting the
system and external components (P.94)
.
Cannot select a folder.
The random play function is enabled.
h
Turn off the random function.
Cannot perform repeat play during VCD playback.
The PBC function is enabled.
h
Turn off the PBC function.
The specified disc does not play, but another one
plays instead.
The disc is quite dirty.
h
Clean the disc. See
Precautions on handling discs
(P.4)
.
The disc is severely scratched.
h
Try another disc instead.
The sound skips when an audio file is being
played.
The disc is scratched or dirty.
h
Clean the disc. See
Precautions on handling discs
(P.4)
.
The recording condition is bad.
h
Record the file again or use another disc.
Ñ
Other
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.
Android smartphone operation is slow.
This occurs when multiple applications are started on
the Android smartphone.
h
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.
h
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.
h
Use the unit again after reducing the temperature
of the unit.
Mecha Error
The disc player is malfunctioning.
h
Eject the disc and try inserting it again. Contact the
KENWOOD dealer if this indicator continues blinking
or the disc cannot be ejected.