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Troubleshooting Guide
What might seem 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.
General
? The power does not turn ON.
The fuse has blown.
After checking for short circuits in the wires,
replace the fuse with one with the same
rating.
Speaker cable touches on chassis etc.
Wire or insulate the speaker cable properly
and press the reset button.
? There’s a source you can’t switch.
There’s no media inserted.
Set the media you want to listen to. If there’s
no media in this unit, you can’t switch to each
source.
? No video image appears.
The unit is not connected to the parking brake
detection switch.
Make proper connections according to
'Connecting Wires to Terminals'.
The parking brake is not engaged.
For safety reasons no video images are
displayed while the vehicle is moving.
Engaging the parking brake will cause images
to be displayed.
The setting of the NTSC/PAL switch is incorrect.
Set the NTSC/PAL switch correctly.
? Nothing happens when the buttons are pressed.
The " " symbol appears in the screen.
You cannot carry out any operation disabled
by disc.
? The memory is erased when the ignition is
turned OFF.
The ignition and battery wire are incorrectly
connected.
Connect the wire correctly, referring to the
section on 'Connecting Wires to Terminals'.
? No sound can be heard, or the volume is low.
The fader or balance settings are set all the way to
one side.
Center the fader and 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
'Connecting Wires to Terminals'.
? The sound quality is poor or distorted.
One of the speaker wires is being pinched by a
screw in the car.
Check the speaker wiring.
The speakers are not wired correctly.
Reconnect the speaker wires so that each
output terminal is connected to a different
speaker.
? The Touch Sensor Tone doesn’t sound.
The preout jack is being used.
The Touch Sensor Tone can’t be output from
the preout jack.
? The Line mute function does not work.
The Line mute wire is not connected properly.
Connect the wire correctly, referring to the
section on 'Connecting Wires to Terminals'.
? The Line mute function turns ON even though
the Line mute wire is not connected.
The Line mute wire is touching a metal part of the
car.
Pull the Line mute wire away from the metal
part of the car.
Tuner source
? Radio reception is poor.
The car antenna is not extended.
Pull the antenna out all the way.
The antenna control wire is not connected.
Connect the wire correctly, referring to the
section on 'Connecting Wires to Terminals'.
The local seek is turned on.
Turn off the local seek. (page 14)
Disc source
? The specified disc does not play, but another one
plays instead.
The specified DVD/CD is quite dirty.
Clean the DVD/CD.
The disc is loaded in a different slot from that
specified.
Eject the disc magazine and check the
number for the specified disc.
The disc is severely scratched.
Try another disc instead.
? The disc won’t insert.
There’s already another disc inserted.
Press the [0] button and remove the disc.