Panasonic CQ-C3401 Operating Instructions Manual

Contents

26 2725ENGLISH26ENGLISHCQ-C3401WCQ-C3401WTroubleshootingIf You Suspect Something WrongCheck 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 PanasonicService Center. The product should be serviced only by qualifiedpersonnel. Please refer the checking and the repair to professionals.Panasonic shall not be liable for any accidents arising out of neglectof checking the unit or your own repair after your checking.■ CommonThe speaker wiring is reversed between right and left.aPerform the speaker wiring in accordance with the wiring diagram.The speaker channelsare reversed betweenright and left.Balance/fader setting is not appropriate.aReadjust Balance/fader.There is a break, a short circuit, poor contact or wrong wiring regarding thespeaker wiring.aCheck the speaker wiring.No sound fromspeaker(s)Some operations are not executable in particular modes such as menu mode.aRead the operating instructions carefully and cancel the mode. If theunit is still out of order, consult your dealer.Some operations arenot 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 stepwith engine revolu-tions.There is an electromagnetic-wave generator such as a cellular phone near theunit or its electrical lines.aKeep the electromagnetic-wave generator such as a cellular phone awayfrom the unit and the wiring of the unit. If noise cannot beeliminated 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 thechassis securely.NoiseYou 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 poorcontact or wrong wiring arises between the battery lead of the unit and thebattery cable of the car. (The battery lead should be always powered.)aCheck the battery wiring in accordance with the wiring diagram.The demonstrationscreen displayed andno operableMUTE is set to ON.aSet MUTE to OFF.The wiring of speaker lines is not correct, or a break or poor contact arises.aCheck the wiring in accordance with the wiring diagram. (a InstallationInstructions)Sound is notgenerated.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 unitProblem Possible cause a Possible solutionWarning¡Do not use the unit in an irregular condition,for example, without sound, or with smoke ora foul smell, which can cause ignition or elec-tric shock. Immediately stop using the unitand consult your dealer.¡Never try to repair the unit by yourselfbecause it is dangerous to do so.■ Common (continued)The safety device works.aConsult your dealer, or your nearest Panasonic Service Center.The power of the unitfails 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 notclear in the stereomode. Central sound isnot settled.Problem Possible cause a Possible solution■ RadioThe contact of the battery lead is poor, or the battery lead is not alwayspowered.aMake sure that the battery lead is connected securely, and preset sta-tions again.Preset stations cannotbe stored.The number of receivable stations is less than 6.aMove to an area where receivable stations number is maximum, and trypresetting.The number of autopreset stations is lessthan 6.Antenna installation or wiring of antenna cable is faulty.aCheck whether the antenna mounting position and its wiring are correct.In addition, check to see whether the antenna ground is securely con-nected to the chassis.No power is supplied to the antenna amplifier (when using a film antenna, etc.).aCheck the wiring of the antenna battery lead.Poor reception ornoiseProblem Possible cause a Possible solution■ CDSomething such as a peeled label obstructs the disc coming out.aConsult your dealer.The microcontroller in the unit operates abnormally due to noise or other fac-tors.aUnplug the power cord and plug it again. In case the unit is still out oforder, consult your dealer.Disc unejectableThe unit is not sufficiently secured.aSecure the unit to the console box.The unit is tilted at over 30˚ in the front-to-end direction.aMake the angle 30˚ or less.Sound skipping due tovibrationThere is a flaw or foreign object on the disc.aRemove the foreign object, or use a flawless disc.Sound skipping ornoiseThe disc is inserted upside down.aInsert a disc correctly.There is a flaw or foreign object on the disc.aRemove the foreign object, or use a flawless disc.No playback or discejectedProblem Possible cause a Possible solution

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