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Troubleshooting Guide
What might appear to be a malfunction in your unit may just be the result of slight
misoperation or miswiring. Before calling service, first check the following table for possible
problems.
SOLUTIONPOSSIBLE CAUSEPROBLEM
Nothing happens when the
buttons are pressed.
The computer chip in the unit is not
functioning normally.
Press the reset button on the unit (See
page 4).
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.
No ACC position on vehicle ignition.
Connect the same wire to the ignition as
the battery wire.
The monitor does not
open/close.
No television/video image
appears.
The unit is not connected to the parking brake
detection switch.
Make proper connections according to
”Connections“ (See page 60).
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 parking brake is not engaged. For safety reasons, the monitor does not
open while the vehicle is moving.
Engaging the parking brake.
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
”Connection“ (See page 60).
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.
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.
Reconnect the input/output wires or the
wiring harness correctly. See the section
on "Connecting Wires to Terminals".
The input/output wires or wiring harness are
connected incorrectly.
Reconnect the input/output wires or the
wiring harness correctly. See the section
on "Connection".
One of the speaker wires is being pinched by
a screw in the car.
Reset the fader and/or balance settings.
The sound quality is poor or
distorted.
The speakers are not wired correctly. Reconnect the speaker wires so that each
output terminal is connected to a different
speaker.
The antenna control wire is not connected. Connect the wire correctly, referring to the
section on "Connection".
Radio reception is poor. The car antenna is not extended. Pull the antenna out all the way.
The memory is erased when
the ignition is turned off.
The battery wire has not been connected to
the proper terminal.
The ignition and battery wire are incorrectly
connected.
Connect the wire correctly, referring to the
section on "Connection".
Connect the wire correctly, referring to the
section on "Connection".