Panasonic CQ-R221U manual Connect All Leads, Antenna Motor, Ground

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A handy way to identify the speaker leads and the speaker they connect with is to test the leads using a 1.5 volt AA battery as follows.

Hold one lead against one pole of the battery and stroke the other lead across the other pole. You will hear a scraping sound in a speaker if you are holding a speaker lead.

If not, keep testing different lead combinations until you have located all the speaker leads. When you label them, include the speaker location for each.

Antenna Motor

If your car is equipped with an automatic power antenna, identify the car motor antenna lead by connecting one bulb tester lead to the car battery lead and touching the remaining exposed wires from the cut radio connector plug one at a time. You will hear the antenna motor activate when you touch the correct wire.

Antenna

The antenna lead is a thick, black wire with a metal plug at the end.

Speakers

Connect the speaker wires. See the wiring diagram below for the proper hookups. Follow the diagram carefully to avoid damaging the speakers and the stereo unit.

The speaker used must be able to handle more than 40 watts of audio power. If using an optional audio power, the speakers should be able to handle the maximum amplifier output power. Speakers with low input ratings can be damaged.

Speaker impedance should measure 4 - 8 , which is typically marked on most speakers. Lower or higher impedance speakers will affect output and can cause both speaker and stereo unit damage.

Caution: Never ground the speaker cords. For example, do not use a chassis ground system or a three-wire speaker common system. Each speaker must be connected separately using parallel insulated wires. If in doubt about how your car's speakers are wired, please consult with your nearest professional installer.

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Connect All Leads

Now that you have identified all the wires in the car, you’re ready to begin connecting them to the stereo unit wires. The connection diagram on Page 30 show the proper connections and color coding of the leads.

We strongly recommend that you test the unit before making a final installation.

You can set the unit on the floor and make temporary connections to test the unit. Use electrical tape to cover all exposed wires.

IMPORTANT: Connect the red power lead last, after you have made and insulated all other connections.

Ground

Connect the black ground lead of the power connector to the metal car chassis.

CORRECT

No Common Ground

+

 

+

L _

_

+

 

+

R _

_

 

 

 

INCORRECT

Common Chassis Ground

+

+

L _

_

+

+

R _

_

INCORRECT

Speaker Common

(common earth lead)

+

 

+

L _

_

+

 

+

R _

_

 

 

 

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CQ-R221U

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Contents CQ-R221U Safety Information Consignes de sécurité Información para seguridad Use This Product Safely Contents Précautions à prendre Réglage de I’heure, sélection de l’affichage de l’horloge Fonctionnement de la radioChargement, rebobinage, lecture et éjection de la cassette RemarqueUse este equipo de manera segura Especificaciones IndiceMute Power and Sound ControlsPower VolumeFader Changing Audio ModesBass and Treble BalanceRadio Basics Change to the tuner modeManual Tuning Seek TuningFM1 FM2 FM3 Tuning in a Preset StationChanging Sides Cassette Tape Player BasicsLoading a Cassette Rewind and Fast ForwardDolby Noise Reduction Metal Tape ModeBlank Skip Repeat PlaySearch TPS Operation Tape ProgramSelecting a Track To Changer modeCD Changer Basics Selecting a DiscScanning Tracks Error Display MessagesRepeating a Track Random SelectionSelecting the Clock Display Initial Time SettingResetting the Time Main Controls Battery InstallationBattery Notes Panasonic Servicenter for service Installation GuideInstallation Hardware Diagram QtyIdentify All Leads Dashboard SpecificationsRequired Tools Ground Connect All LeadsAntenna Motor AntennaFinal Checks Final InstallationPrecautions Installation ProceduresSecure the rear of the unit Using the Rear Support StrapUsing the Rubber Cushion Option After installation, reconnect the negative battery terminalTo Remove the Removable Face Plate To Remove the UnitAnti-Theft System To install the Removable Face Plate CQ-R221U Electrical ConnectionProduct Servicing MaintenanceWhen Something Doesn’t Work Troubleshooting TipsGeneral SpecificationsMute Assourdissement InterrupteurQuilibre avant-arriè re Graves et aigusQuilibre Accord manuel Sé lection du mode radioFonctionnement de la radio Sé lection de la bandeRé duction d’interfé rence dans la bande FM Mono Mise en mé moire des stationsMise en mé moire manuelle Syntonisation d’une station en mé moireJection de la cassette Chargement de la cassetteRebobinage/avance accé lé ré e InversionRé ducteur de ruit Dolby Mode bande mé talVitement d’espaces vierges Lecture en reprisePropos des cassettes Dispositif mé moire TPSRecherche d’un passage au sein d’une plage Mode lecteur-changeurSé lection du disque Sé lection de la plageBalayage des disques Lecture en reprise d’une plageSé quence de lecture alé atoire Balayage des plagesSystè me de 12 heures Fonctionnement de l’horlogeRé glage de l’heure Remise à l’heurePré caution Nom des principales commandesMise en place de la pile Remarque sur les pilesGé né ralité s Guide d’installationQuincaillerie pour Pinstallation Identification des fils Outils requisDé gagement requis dans le tableau de bord Fil d’antenne Guide d’installation suiteRaccorder tous les fils Moteur de l’antenneMesures de pré caution Installation finaleInstallation Vé rifications finalesUtilisation du coussinet en caoutchouc facultatif Fixer l’arriè re de l’appareilUtilisation de la plaque de support arriè re Retrait du panneau avant amovible Pour retirer l’appareilSystè me antivol Appareil principal Installation du panneau avant amovibleAntenna Connexions électriquesEn cas de difficulté Entretien Service aprè s-venteRemplacement du fusible En cas de difficultéRadio FM sté ré o Données techniquesDivers Radio AMNotas VolumenAlimentació n SilenciamientoMantenga Graves y AgudosEquilibrio DesvanecedorSintonía por Bú squeda Operación básica del radioCó mo Elegir una Banda Sintonía ManualMantenga Expulsió n de la cinta Có mo Cargar un CassetteRebobinado y Avance Rá pido Có mo Cambiar el LadoReducció n de ruido Dolby Salto de espacios en blancoRepetició n de la reproducció n Modo de cintas de metalNota Notas sobre las Cintas cassetteCó mo Buscar una Pista Có mo cambiar el modoSelecció n de una disco Có mo Elegir una PistaExploració n de pistas Mensajes de visualizació n de errorRepetició n de una canció n Selecció n al AzarEl sistema del reloj es de 12 horas Operación básica del relojAjuste inicial de las horas Reajuste de la horaPrecaució n Instalació n de la pilaNota sobre las pilas Nomenclatura de los controles principalesAdvertencia arriba Guía de instalaciónInstrucciones generales Herrajes SuministradasIdentificar todos los alambres Guía de instalación continuaciónHerramientas necesarias Especificaciones del tablero de instrumentosAntena Conecte todos los alambresAltavoces Motor de la antenaProcedimente de instalació n Instalació n finalVerificaciones finales PrecaucionesUsando el cojín de goma Opcion Asga la parte trasera del aparatoUsando la tira de soporte trasero Como Quitar la Placa Frontal Removible Para quitar el aparatoSistema antirrobo Aviso Có mo Instalar la Placa Frontal RemovibleIndicador de seguridad Precaución Conexiones eléctricasCó mo sustituir el fusible Localización de averíaMantenimiento Mantenimiento del producto Cuando algo no funcionaRadio FM estié reo EspecificacionesGeneralidades Radio MWMemo Memo Page Electric Corporation of America Puerto Rico, Inc. PSC