35
CQ-DFX783N
32
E
N
G
L
I
S
H
34
CQ-DFX783N
31
E
N
G
L
I
S
H
Preliminary Steps
Check and take steps as described in the tables below.
If You Suspect Something Wrong
Immediately switch power off.
Disconnect the power cable and check that there is neither smoke
nor heat from the unit before asking for repairs. Never try to repair
the unit yourself because it is dangerous to do so.
Cautions:
¡
Do not use the unit if it malfunctions or
something is wrong.
¡
Do not use the unit in an irregular condition,
for example, without sound, or with smoke or
foul smell, which can cause ignition or elec-
tric shock. Immediately stop using the unit
and call the store where you purchased it.
Problem
Possible cause/Possible solution
■
Common
Troubleshooting
Problem
Possible cause/Possible solution
Battery cable is not correctly connected.
a
Connect the battery cable to the terminal that is always live.
The motor antenna relay control lead is not connected correctly.
a
If there is a motor antenna in the car, connect the motor antenna relay
control lead to the motor antenna lead that is installed in the car correctly.
a
Check that the antenna was installed and grounded properly.
Station is too far, or signals are too weak.
a
Select other stations of higher signal level.
Poor reception in FM
stereo and monaural
broadcasts.
Preset station is reset.
Problem
Possible cause/Possible solution
¡
CD is defective.
¡
Mechanical trouble.
a
Open the panel and press [
u
]. If normal operation is not restored, call
the store where you purchased the unit or the nearest Panasonic Service
Center to ask for repairs.
Unstable mounting.
a
Check that the machine is properly installed with its rear fixed securely to
a firewall.
Mounting angle is over 30 degrees.
a
Adjust mounting angle to less than 30 degrees.
a
Some CD-R/RWs can not be played back successfully due to incompatibili-
ty among writing software, a CD recorder (CD-R/RW drive) and the discs.
Refer to instructions for the concerned devices for details.
Disc is dirty.
a
Clean disc, referring to the section on “Notes on CD/CD Media (CD-R, CD-
RW, CD-ROM)” (
a
Page 33).
a
Some CD-R/RWs can not be played back successfully thanks to
incompatibility among writing software, a CD recorder (CD-R/RW drive)
and the discs. Refer to instructions for the concerned devices for details.
A disc that has data other than CD-DA or MP3/WMA type is loaded.
a
Discs that have CD-DA or MP3/WMA type data should be used.
Disc is dirty.
a
Clean disc, referring to the section on “Notes on CD/CD Media (CD-R, CD-
RW, CD-ROM)” (
a
Page 33).
Disc is upside down.
a
Place disc in the correct direction with the label side up.
Disc is in the CD com-
partment but no sound
is made, or disc is
ejected automatically.
Sound skips, bad
sound quality. (e.g.
caused by noise)
Sound skip due to
vibration.
■
Radio
■
CD/MP3/WMA
Product Service
If the suggestions in the charts do not solve the problem, we recommend that you take it to your nearest authorized
Panasonic Service Center. The product should be serviced only by a qualified technician.
Disc is not ejected.
No power.
No sound.
Only sound, no display.
Noise.
Demonstration mode is ON.
a
Press
[DISP]
to cancel the demonstration mode.
a
Check that there is nothing causing radio interference with the machine.
Check the point where it is installed. Make sure that the ground lead is
properly grounded.
Display is set to OFF.
a
Set it to ON (
a
Page 30).
Condensation (dew).
a
Wait for a while before use.
External Mute lead is not correctly connected.
a
Connect the External Mute lead correctly.
Cables are not correctly connected.
a
Connect cables correctly.
Mute is set to ON.
a
Set it to OFF.
Fuse is burnt.
a
Call the store where you purchased the unit, or your nearest Panasonic
Service Center.
Cables are not correctly connected.
a
Connect cables correctly.
Battery cable: Connect the battery cable to the terminal that is always live.
Accessory cable: Connect the accessory cable to your car's ACC source.
Grounding wire: Connect the grounding wire to a metal part of your car.
Car’s engine switch is not on.
a
Turn your car’s ignition switch to ACC or ON.
Audio sound is output
but the display shows
demonstration message.