Panasonic CQ-C3303N Operating Instructions Manual

Also see for CQ-C3303N: Brochure & specs Operating instructions Service manual

Panasonic CQ-C3303N Operating Instructions Manual Manual pdf 34 page image

34 CQ-C3503N/C3303N33ENGLISHTroubleshootingIf 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 Centre. 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.Never take measures especially those other than indicated byitalic letters in “Possible Solution” described below becausethose are too dangerous for users to handle themselves.■ CommonBalance/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 be eliminateddue 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.NoiseMUTE 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, insulateit.The wiring of speaker lines is not correct, or a break or poor contact arises.aCheck the wiring in accordance with the wiring diagram. (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.