Troubleshooting
QIf You Suspect Something Wrong
Warning
Check and take steps as described below.
English!Do not use the unit in an irregular condi-
tion, for example, without sound, or with
If the described suggestions do not solve the problem, it is rec-smoke or a foul smell, which can cause
41ommended to take the unit to your nearest authorized Panasonicignition or electric shock. Immediately stop
Servicenter. The product should be serviced only by qualified per-using the unit and consult your dealer.
sonnel. Please refer checking and repair to professionals.!Never try to repair the unit by yourself
Panasonic shall not be liable for any accidents arising out of neg-because it is dangerous to do so.
lect of checking the unit or your own repair after your checking.
Never take measures especially those other than indicated by
italic letters in OPossible Solution� described below because
those are too dangerous for users to handle themselves.
 Common
ProblemPossible cause a Possible solution
The power cord (battery, power and ground) is connected in the wrong way.
aCheck the wiring.
No power to the unitFuse blows out.
aEliminate the cause of fuse blowout and replace the fuse with new one.
Consult your dealer.
MUTE is set to ON.
aSet MUTE to OFF.
Sound is not
The wiring of speaker lines is not correct, or a break or poor contact arises.
generated.aCheck the wiring in accordance with the wiring diagram. (Installation
Instructions)
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. In case noise cannot be eliminated
Noisedue 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.
Alternator noise comes from the car.
Noise is made in step
with engine revolutions.aChange the wiring position of the ground lead.
aMount a noise filter.
Some operations are notSome operations are not executable in particular modes such as menu mode
aRead the operating instructions carefully and cancel the mode. If the unit is
executable.still out of order, consult your dealer.
No sound fromThere is a break, a short circuit, poor contact or wrong wiring regarding the
speaker wiring.
speaker(s)aCheck the speaker wiring.
42CQ-VD6505U |
ACEC
PANASONIC
