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■ Common (continued)
The safety device works.
aConsult your dealer, or your nearest Panasonic Service Centre.
The power of the unit
fails unintentionally.
The plus and minus terminals at right and left channels of speakers are con-
nected reversely.
aPerform the speaker wiring in accordance with the wiring diagram.
The sound field is not
clear in the stereo
mode. Central sound is
not settled.
The speaker wiring is reversed between right and left.
aPerform the speaker wiring in accordance with the wiring diagram.
The speaker channels
are reversed between
right and left.
Balance/Fader setting is not appropriate.
aReadjust Balance/Fader.
There is a break, a short circuit, poor contact or wrong wiring regarding the
speaker wiring.
aCheck the speaker wiring.
No sound from speak-
er(s)
Problem
Possible cause
a
Possible solution
Troubleshooting
If You Suspect Something Wrong
Check and take steps as described below.
If the described suggestions do not solve the problem, it is rec-
ommended to take the unit to your nearest authorized Panasonic
Service Centre. The product should be serviced only by qualified
personnel. Please refer the checking and the repair to profes-
sionals. Panasonic shall not be liable for any accidents arising
out of neglect of checking the unit or your own repair after your
checking.
Warning
¡Do not use the unit in an irregular condition,
for example, without sound, or with smoke or
a foul smell, which can cause ignition or elec-
tric shock. Immediately stop using the unit
and consult your dealer.
¡Never try to repair the unit by yourself
because it is dangerous to do so.
■ Common
Problem
Possible cause
a
Possible solution
The battery is inserted in the wrong direction. A wrong battery is inserted.
aInsert a correct battery in the correct direction.
The battery is weak.
aReplace the battery with new one.
The aiming direction of the remote control unit is wrong.
aAim the remote control unit at the sensor of the unit and press buttons.
The sensor is exposed to direct sunlight. (The remote control unit may not be
operable when the sensor is exposed to direct sunlight. In such a case, the
system is not faulty.)
aBlock off sunlight to the sensor.
No response to press-
ing buttons
■ Remote control unit
Problem
Possible cause
a
Possible solution
Some operations are not executable in particular modes such as menu mode.
aRead the operating instructions carefully and cancel the mode. If the
unit is still out of order, consult your dealer.
Some operations are
not executable.
Alternator noise comes from the car.
aChange the wiring position of the ground lead.
aMount a noise filter on the power supply.
Noise is made in step
with engine revolu-
tions.
There is an electromagnetic-wave generator such as a cellular phone near the
unit or its electrical lines.
aKeep the electromagnetic-wave generator such as a cellular phone
away from the unit and the wiring of the unit. If noise cannot be elimi-
nated due to the wiring harness of the car, consult your dealer.
The contact of the ground lead is poor.
aMake sure that the ground lead is connected to an unpainted part of the
chassis securely.
Noise
You cannot operate the unit while the demonstration screen appears.
aPress [DISP] to end the demonstration screen.
If the demonstration screen appears frequently, there is a possibility that poor
contact or wrong wiring arises between the battery lead of the unit and the
battery cable of the car. (The battery lead should be always powered.)
aCheck the battery wiring in accordance with the wiring diagram.
The demonstration
screen displayed and
no operable
MUTE is set to ON.
aSet MUTE to OFF.
There is contact between the external mute lead and the chassis.
aConnect the external mute lead correctly. If the lead is unused, insulate
it.
The wiring of speaker lines are not correct, or a break or poor contact arises.
aCheck the wiring in accordance with the wiring diagram. (a Page 58)
Sound is not generat-
ed.
The power cord (battery, power and ground) is connected in the wrong way.
aCheck the wiring.
Fuse blows out.
aEliminate the cause of fuse blowout and replace the fuse with new one.
Consult your dealer.
No power to the unit
