Panasonic CQ-C7300N Operating Instructions Manual

Contents

Panasonic CQ-C7300N Operating Instructions Manual Manual pdf 17 page image

33 EnglishSome operationsare notexecutable.Some operations are not executable in particular modes such as menu mode.a Read the operating instructions carefully and cancel the mode. In case theunit is still out of order, consult the dealer.Problem Possible cause a Possible solutionNo sound fromspeaker(s)BAL/FAD setting is not appropriate.a Readjust BAL/FAD.There is a break, a short circuit, poor contact or wrong wiring regarding the speakerwiring.a Check the speaker wiring.The speakerchannels arereversed betweenright and left.The speaker wiring is confused between right and left.a Perform the speaker wiring in accordance with the wiring diagram.The sound field isnot clear in thestereo mode.Central sound doesnot settled.The plus and minus terminals at right and left channels of speakers are connectedreversely.a Perform the speaker wiring in accordance with the wiring diagram.The power failsunintentionally.The safety device works.a Call the store where you purchased the unit, or your nearest PanasonicService Centre.Poor reception ornoiseAntenna installation or wiring of antenna cable is faulty.a Check whether the antenna mounting position and its wiring are correct. Inaddition, check to see whether the antenna ground is securely connected tothe chassis.No power is supplied to the antenna amplifier (when using a film antenna, etc.).a Check the wiring of the antenna battery lead.Stereo broadcastis received only inmono.The MONO mode is active.a Cancel the MONO mode.Only nearbystations can bereceived.The LOCAL mode is active.a Cancel the LOCAL mode.Common (continued)Radio32TroubleshootingIf You Suspect Something WrongCheck and take steps as described below.If the described suggestions do not solve the problem, it isrecommended to take the unit to your nearest authorized PanasonicService Centre. The product should be serviced only by qualifiedpersonnel.Cautions:¡ Do not use the unit in an irregular condition, forexample, without sound, or with smoke or foulsmell, which can cause ignition or electric shock.Immediately stop using the unit and call the storewhere you purchased it.¡ Never try to repair the unit by yourself because it isdangerous to do so.Problem Possible cause a Possible solutionNo power to theunitThe power cord (battery, ACC and ground) is connected in the wrong way.a Check the wiring.Fuse blowouta Eliminate the cause of fuse blowout and replace the fuse with new one.Consult your dealer.Sound is notgenerated.MUTE is set to ON.a Set MUTE to OFF.There is contact between the external mute lead and the chassis.a Connect 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.a Check the wiring in accordance with the wiring diagram. (InstallationInstructions)The demonstrationscreen displayedand no operableYou cannot operate the unit while the demonstration screen appears.a Press [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 the batterycable of the car. (The battery lead should be always powered.)a Check the battery wiring in accordance with the wiring diagram.NoiseThere is an electromagnetic-wave generator such as a cellular phone near the unit orits electrical lines.a Keep an electromagnetic-wave generator such as a cellular phone away fromthe unit and the wiring of the unit. In case that noise cannot be eliminateddue 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 chas-sis securely.Noise is made instep with enginerevolutions.Alternator noise comes from the car.a Change the wiring position of the ground lead.a Mount a noise filter on the power supply.TroubleshootingCommon