Rockford Fosgate 5.3x manual Engine noise with

Page 37

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Symptom			Diagnosis	Remedy

Engine Noise			Noise is radiating into	Check connections,	and
			RCA signal cable.	run the RCA cables on a
				different route away from
				sources of high current.

			Bad component in the sig-	Checkconnections,andby-
			nal chain.	passadditionalcomponents
				(crossovers and equalizers)
				betweenthesourceunitand
				the amplifier. Connect one
				component at a time to de-
				termine the culprit. Repair
				or replace components as
				necessary.

			Noise is radiating into	Disconnect existing speak-
			speaker cables.	ers and connect a test
				speaker to the output ter-
				minals of the amplifier. If
				noise is gone, reroute the
				speaker cables away from
				sources of high voltage.

			Multiple grounds in the	Check ground connections
			audio system.	and connect amplifiers, sig-
				nal processors, and other
				components to a central
				location or try a different
				grounding point on	the
				chassis.

			Ground loop between	Check connections	and
			source unit and antenna.	disconnect antenna from
				source unit. If noise is gone,
				install an antenna ground
				loop isolator.

Engine noise with			No reference ground	Connect GND terminal of
high level inputs				high level input to chassis
				of source unit.

• If noise persists, see your Authorized Rockford Fosgate Dealer.

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Image 37

Contents Channel w/crossovers Installation a n d O p e r a t i o nPractice Safe Sound T T I N G S T a R T E D TA B L E O F CO N T E N T STechnical Design Features Accessory PackT R O D U C T I O N Mosfet Devices DSM Discrete Surface Mount Technology High Level Inputs 3X DE S I G N FE AT U R E S LED Power Indicator Power/Speaker Barrier StripSignal Input Switches Dual Extruded HeatsinksS TA L L AT I O N CO N S I D E R AT I O N S Trunk Mounting Mounting LocationWI R I N G T H E SY S T E M Battery and ChargingCut Using Passive Crossovers Ohms Table of Crossover Component ValuesCustomizing the Xcard US I N G T H E XcardButterworth Alignment Q = Resistor ChartXcard Access Configuration #2 Using the Signal Switching NetworkConfiguration #3 Front inputsConfiguration #6 Configuration #5Front inputs = Front, Rear Subwoofer outputs Subwoofer L Mono inputs Configuration #1 Front inputsConfiguration #2 Front inputs Factory Subwoofer L Mono inputs Configuration #4 Mono Sub Input Front inputsConfiguration #5 Front inputs Watts Total Power High Level Input Single Ended Type 3X InstallationFactory Radio 100.7 High Level Input B.T.L. TypeChannel Operation Power ConnectionsSub Gain Control operates independently Channel Mono OperationStep #1 System DiagramsStep #2 Step #3 Front XCard Step #4TR O U B L E S H O O T I N G Symptom Diagnosis RemedySpeaker Output Engine noise with DY N a M I C PO W E R ME a S U R E M E N T S About the Dynamic Power MeasurementsMusic Listening to Loudspeakers Not ResistorsInformation Cubed What is an Amplifier?Front/Rear Sub Channels 3X SpecificationsATC Limited WA R R a N T Y in F O R M AT I O N Length of WarrantyPage Utilizacion DEL Circuito DE Conmutacion DE Señal IntroducciónConfiguración n5 Configuración n3Configuración n6 PosterioresUtilisation DU Réseau DE Commutation DU Signal Arrière Somme avant & arrièreEinleitung Benutzen DES Signal NetzwerkesBeispiel #5 Beispiel #3Beispiel #6 Vordere Eingänge = Vordere & HintereIntroduzione Configurazione #2Impiegare LA Rete DI Selezione Degli Ingressi Configurazione #4 Ingresso sub mono ConfigurazioneIngressi anteriore Posteriore sommatiMade in the USA