Rockford Fosgate 50.1 Troubleshooting, Symptom, Diagnosis, Remedy, Amplifier does not turn on

Page 43

TROUBLESHOOTING

TROUBLE-S H O O T

I N G

Symptom	Diagnosis	Remedy
Amplifier does not turn on.	Voltage applied to the REM terminal of the	Check the alternator, battery, fuse, and
(Power LED is off)	amplifier is not between 10.5 and 15.5	wiring and repair as necessary. If the volt-
	volts or there is no voltage present.	age is above 15.5 volts, have the electrical
		system inspected by an authorized car
		service center.

	Voltage to the B+ terminal of the amplifier	Check the alternator, battery, fuse, and
	is not between 10.5 and 15.5 volts or there	wiring and repair as necessary. If the volt-
	is no voltage present.	age is above 15.5 volts, have the electrical
		system inspected by an authorized car
		service center.

	Amplifier is not properly grounded.	Check wiring and repair as necessary.

Amplifier has no sound.	RCA Input from source unit is not connected	Check connections, substitute with known
(Power LED is on)	or not functioning properly.	working source and cables and repair or
		replace as necessary.

	When using the BLT, Balanced Line Input	Check connections, substitute with known
	from BLT is not connected or not function-	working BLT and cables and repair or
	ing properly.	replace as necessary.

	Unbalanced/Balanced Line switch is not	Check switch position and correct as neces-
	selected for corresponding input.	sary.

	Amplifier is in E-Z Bridge operation but	Check signal, speaker wiring, and left chan-
	incorrect signal input, speaker wiring, and/	nel phase selection installation and correct
	or left channel 180° phase selection is	as needed.
	chosen.

	XCards are missing or not placed properly	Check crossover switches and XCard posi-
	in crossover slots and/or switches are not	tions and repair or replace as necessary.
	properly selected.

	Speaker leads are shorted to each other or	Disconnect existing speakers and test with
	to the chassis of the vehicle.	known working speakers and wires. If am-
		plifier plays, check and repair wiring and
		installation of speakers as necessary.

	Speakers are defective.	Disconnect existing speakers and test with
		known working speakers. If amplifier plays,
		check and repair speakers as necessary.

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Contents 50.1 powerpower new chrome heatsinkPRACTICE SAFE SOUND G E T T I N G S TA R T E D TABLE OF CONTENTSPunch Power PUNCH AMPLIFIER ACCESSORY PACKPunch Power INTRODUCTION TO 50 SERIESTECHNICAL DESIGN FEATURES DSM Discrete Surface Mount Technology Stereo Pass-ThruXCard Internal Crossover NOMAD NOn-MultiplyingAdvanced Decision Balanced Line InputsITS Increased Thermal Stability 50.2 DESIGN FEATURES M P L I F I E R 50.1 DESIGN FEATURES Page Tools Needed INSTALLATION CONSIDERATIONSPassenger Compartment Mounting BATTERY AND CHARGINGMOUNTING LOCATION S Trunk MountingWIRING THE SYSTEM USING PASSIVE CROSSOVERS Freq TABLE OF CROSSOVER COMPONENT VALUESSpeaker Impedance 6dB/Octave Low-PassLow-Pass USING THE XCARDCUSTOMIZING THE XCARD High-PassButterworth Alignment Q = XCARD RESISTOR CHARTButterworth Alignment Q = 1% resistors used with 0.047mF capacitors50.2 Power Connections Option #1 50.2 INSTALLATION50.2 Power Connections Option #2 Right Phase Switch set to Stereo OperationStereo/Mono Operation Left Phase Switch set toRight Phase Switch set to Bridged OperationEZ-BridgedOperation Left Phase Switch set toUSING THE 50.2 SIGNAL SWITCHING NETWORK 50.2 bypasses the circuitry of XCard 1 and XCard Pass-Thru uses output from XCard 50.2 uses output from XCard50.2 bypasses the circuitry of XCard Pass-Thru bypasses XCard 1 and XCard 50.2 uses output from XCard 1 and XCardConnecting the BLT USING THE 50.2 BALANCED LINE INPUTSAC Voltmeter set to AC Volts Level Setting the BLTPerformance Characteristics Disconnect Speakers from the– 26 – 50.1 INSTALLATION50.1 Power Connections Option #1 50.1 Power Connections Option #2Phase Switch set to Mono OperationPhase Switch 50.1 #1/2 set to XCard 50.1 #1/#2 set to Full Range Phase Switch 50.1 #1 set toPhase Switch 50.1 #2 set to Stereo/Mono OperationPhase Switch 50.1 #1 set to Bridged Mono OperationPhase Switch 50.1 #2 set to S W I T C H I N G N E T W O R K U S I N G T H E 50.1 SIGNAL“Audiophile Bypass” the LOUD Configure a 12dB per octave filter for theXover is set to 12dB Pass-Thru has Full Range output only• Xover is set to 24dB Configure a 24dB per octave filter for thePass-Thru has Full Range output only 100 Watt System rated @ 4 ohms SYSTEM DIAGRAMSTotal Power Delivery RMS 400 Watts 150 Watt System rated @ 4 ohmsTotal Power Delivery RMS Tweeters400 Watts 300 Watt System rated @ 4 ohmsTotal Power Delivery RMS TweetersMidrange 500 Watt System rated @ 4 ohmsTweeters 400 WattsNOISE ROCKFORD FOSGATE ACCESSORIESBalanced Line Transmitter FG-BLT XCard Crossovers Energy Storage Capacitorspunch Remedy TROUBLESHOOTINGSymptom DiagnosisSpeaker Output Low SymptomDiagnosis RemedyLow or distorted output from the SymptomDiagnosis RemedyNoise Overview QUICK CHECK FOR TROUBLESHOOTING CAR AUDIO SYSTEMSAUTOSOUND 2000s PrefaceSummation Time for ProcessorsMusic DYNAMIC POWER MEASUREMENTSAbout the Dynamic Power Measurements What is an Amplifier?100Watts 200 Watts 50.2 SPECIFICATIONSSpecifications subject to change without notice 50Watts 90Watts 150Watts 300Watts 25Watts 50Watts100Watts 200Watts 400 Watts 50.1 SPECIFICATIONSSpecifications subject to change without notice 100Watts 200Watts 325Watts 650Watts 50WattsWhat is Not Covered LIMITED WARRANTY INFORMATIONLength of Warranty What is CoveredN F O R M A T I O N Habitáculo INTRODUCCIÓNUBICACIÓN DE LOS AMPLIFICADORES MaleteroOperación mono/estéreo ESPAÑOLMontage dans le coffre InstallationINTRODUCTION MONTAGEOpération stéréo/mono FRANÇAISTri-modeInput Auf der Beifahrerseite EINLEITUNGEINBAUORT Im FahrzeugkofferraumLinken Phasen Schalter auf 0 stellen DEUTSCHStereo/Mono Betrieb Nel Bagagliaio InstallazioneINTRODUZIONE DOVE POSIZIONARLOStereo/Mono Operation ITALIANOFase sinistra dellinterruttore posizionata su MADE IN THE USA