Kenwood DDX7037 - Manual (Page 70)

70 | English
Troubleshooting Guide
General
? The power does not turn on.
✔ The fuse has blown.
After checking for short circuits in the wires,
replace the fuse with one having the same
rating.
✔ The speaker wire has a short-circuit or touches
the chassis of the vehicle, and then the
protection function is activated.
Wire or insulate the speaker cable properly and
press the reset button.
? The desired source is NOT selected although
you pressed the SRC button.
✔ A non-connected source cannot be selected.
A non-connected source is not selected. See
and connect the
unit correctly.
✔ The RESET button is not pressed yet although
the optional unit has been connected to the
system.
Press the reset button (page 4).
✔ The "O-N" switch of the optional unit is at the
"O" position.
Set the "O-N" switch to the "N" position.
✔ A disc changer not supported by the system is
used.
Use a disc changer supported by the system
(page 4).
? Nothing happens when the buttons are
pressed.
✔ The computer chip in the unit is not
functioning normally.
Press the reset button on the unit (page 4).
? The message "Disconnected cable found.
Please confirm a connection line" is displayed
and the unit cannot be used.
✔ Receiver unit is disconnected.
Connect the wire correctly, referring to the
section on .
? No television/video image appears.
✔ The unit is not connected to the parking brake
detection switch.
Make proper connections according to
.
✔ The parking brake is not engaged.
For safety reasons no television/video images
are displayed while the vehicle is moving.
Engaging the parking brake will cause images
to be displayed.
? The screen is dark.
✔ The unit is in a location where temperature is
low.
If the temperature of the monitor unit drops,
the screen may appear darker when power is
first turned on due to the characteristics of a
liquid crystal panel. Wait a while after turning
power on for the temperature to rise. Normal
brightness will return.
? The screen does not darken when the vehicle’s
lights are turned on.
✔ The unit is set to auto dimmer.
When the unit is set to auto dimmer, it is not
linked to the vehicle's light switch.
✔ The illumination wire has not been connected.
(If manual dimmer is set)
Make proper connections according to
.
? AM/FM radio reception is poor and/or there is
noise.
✔ The TV antenna and vehicle‘s radio antenna are
too close.
Separate the two antennas as far as possible.
Turn off the main unit.
? The remote controller does not operate.
✔ The remote control mode selector is not set
correctly.
Switch the remote control mode selector
according to the source you select (page 12).
? No sound can be heard, or the volume is low.
✔ Attenuator is turned on.
Turn off Attenuator.
✔ The fader or balance settings are set all the
way to one side.
Reset the fader and/or balance settings.
✔ The input/output wires or wiring harness are
connected incorrectly.
Reconnect the input/output wires or the
wiring harness correctly. See the section on
.
What might appear to be a malfunction in your unit may just be the result of slight misopera-
tion or miswiring. Before calling service, first check the following table for possible problems.