Panasonic CQ-C300U Operating Instructions Manual

Also see for CQC300U - 50Wx4 iPod-Ready Multi-Format Car Audio Receiver: Installation instructions

Contents

CQ-C300U24TroubleshootingIf 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 authorizedPanasonic Servicenter. The product should be serviced only byqualified personnel. Please refer the checking and the repair toprofessionals. Panasonic shall not be liable for any accidentsarising out of neglect of checking the unit or your own repairafter 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.Problem Possible cause  Possible solutionNo power to the unitThe power cord (battery, power and ground) is connected in the wrong way. Check the wiring.Fuse blows out. Eliminate the cause of fuse blowout and replace the fuse with new one.Consult your dealer.Sound is notgenerated.MUTE is set to ON. Set MUTE to OFF.The wiring of speaker lines are not correct, or a break or poor contact arises. Check the wiring in accordance with the wiring diagram. ( InstallationInstructions)NoiseThere is an electromagnetic-wave generator such as a cellular phone near the unitor its electrical lines. Keep an electromagnetic-wave generator such as a cellular phone awayfrom the unit and the wiring of the unit. In case that noise cannot beeliminated due to the wiring harness of the car, consult your dealer.The contact of the ground lead is poor. Make sure that the ground lead is connected to an unpainted part of thechassis securely.Noise is made instep with enginerevolutions.Alternator noise comes from the car. Change the wiring position of the ground lead. Mount a noise filter.CommonWarning• Do not use the unit in an irregular condition, for example,without sound, or with smoke or a foul smell, which cancause ignition or electric shock. Immediately stop usingthe unit and consult your dealer.• Never try to repair the unit by yourself because it isdangerous to do so.