Panasonic CQ-C3200U Operating Instructions Manual

Contents

Panasonic CQ-C3200U Operating Instructions Manual Manual pdf 14 page image

38 CQ-C3400/3300/3200/3100U CQ-C3400/3300/3200/3100U 39TroubleshootingENGLISH19ENGLISH20Preliminary StepsCheck and take steps as described in the tables below.If You Suspect Something WrongImmediately switch the power off.Disconnect the power connector and check that there isneither smoke nor heat from the unit before asking forrepairs. Never try to repair the unit by yourself because itis dangerous to do so.Caution:≥ Do not use the unit if it malfunctions or ifthere is something wrong.≥ Do not use the unit in abnormal condition,for example, without sound, or with smokeor foul smell, which can cause ignition orelectric shock. Immediately stop using it andcall the store where you purchased it.Troubleshooting Tipsq CommonNo power to the unit The power cord (battery, ACC andground) is connected in the wrongway.Check the wiring.Fuse blow out Eliminate the cause of fuse blow outand replace the fuse with new one.Consult your dealer.Problem Possible cause Possible solutionSound is notgenerated.MUTE is set to ON. Set MUTE to OFF.The wiring of the speaker linesare not correct, or a break or poorcontact arises.Check the wiring in accordance withthe wiring diagram.The demonstrationscreen displayed andno operable.You cannot operate the unit whilethe demonstration screen appears.Press [DISP] (display) to end thedemonstration screen.If the demonstration screen appearsfrequently, there is a possibility thatpoor contact or wrong wiring arisesbetween the battery lead of the unitand the battery cable of the car.(The battery lead should be alwayspowered.)Check the battery wiring in accordancewith the wiring diagram.Noise There is an electromagnetic-wavegenerator such as a cellular phonenear the unit or its electrical lines.Keep an electromagnetic-wavegenerator such as a cellular phoneaway from the unit and the wiring ofthe unit. In case the noise cannot beeliminated due to the wiring harnessof the car, consult your dealer.The contact of the ground lead ispoor.Make sure that the ground lead isconnected to an unpainted part of thechassis securely.Problem Possible cause Possible solutionNoise is made instep with enginerevolutions.Alternator noise comes from thecar.Change the wiring position of theground lead.Some operations arenot executable.Some operations are not executablein particular modes such as menumode.Read the operating instructionscarefully and cancel the mode. In casethe unit is still out of order, consult thedealer.No sound fromspeaker(s)Balance/fader setting is notappropriate.Readjust balance/fader.There is a break, a short circuit,poor contact or wrong wiringregarding the speaker wiring.Check the speaker wiring.Some speakers are out of order. Replace the speaker with new one.The speaker channelsare reversed betweenright and left.The speaker wiring is confusedbetween right and left.Perform the speaker wiring inaccordance with the wiring diagram.Poor reception ornoiseAntenna installation or wiring ofantenna cable is faulty.Check whether the antenna mountingposition and its wiring are correct.In addition, check to see whether theantenna ground is securely connectedto the chassis.No power is supplied to the antennaamplifi er (when using a fi lmantenna, etc.).Check the wiring of the antenna batterylead.The number of autopreset stations areless than 6.The number of receivable stationsare less than 6.Move to an area where receivablestations number is maximum, and trypresetting.Preset stations cannotbe stored.The contact of the battery lead ispoor, or the battery lead is notalways powered.Make sure that the battery lead isconnected securely, and presetstations again.Mount a noise filter on the powersupply.q Radio