Panasonic CQVD7001U - CAR A/V DVD NAV, Operating Instructions Manual

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CQ-VD7001U
Trouble Shooting
English
■
Common
Problem
Possible cause a Possible solution
The safety device works.
a Consult your dealer, or your nearest Panasonic Servicenter.
The power of the unit
fails unintentionally.
The plus and minus terminals at right and left channels of speakers are con-
nected reversely.
a Perform 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.
a Perform the speaker wiring in accordance with the wiring diagram.
The speaker channels
are reversed between
right and left.
There is a break, a short circuit, poor contact or wrong wiring regarding the
speaker wiring.
a Check the speaker wiring.
No sound from
speaker(s)
Some operations are not executable in particular modes such as menu mode.
a Read 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.
a Change the wiring position of the ground lead.
a Mount 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.
a Keep the electromagnetic-wave generator such as a cellular phone
away from the unit and the wiring of the unit. If noise cannot be
eliminated due to the wiring harness of the car, consult your dealer.
The contact of the ground lead is poor.
a
Make sure that the ground lead is connected to an unpainted part of the
chassis securely.
Noise
MUTE is set to ON.
a Set MUTE to OFF.
The wiring of speaker lines is not correct, or a break or poor contact arises.
a
Check the wiring in accordance with the wiring diagram. (
a
Installation
Instructions)
Sound is not
generated.
The power cord (battery, power and ground) is connected in the wrong way.
a
Check the wiring.
Fuse blows out.
a Eliminate the cause of fuse blowout and replace the fuse with new one.
Consult your dealer.
No power to the unit
❑
If You Suspect Something Wrong
Check and take steps as described below.
If the described suggestions do not solve the problem, it is recom-
mended to take the unit to your nearest authorized Panasonic
Servicenter. The product should be serviced only by qualified per-
sonnel. Please refer checking and repair to professionals. Panasonic
shall not be liable for any accidents arising out of neglect of check-
ing 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.