Rockford Fosgate PUNCH800, PUNCH500 manual Tr O U B L E S H O O T I N G, Symptom Diagnosis Remedy

Page 26

TR O U B L E S H O O T I N G

TROUBLE-S H O O T

I N G

Symptom

Diagnosis

Remedy

 

 

 

Amplifier does not

Voltage applied to the REM

Check the alternator, battery, fuse,

turn on

 

terminal of the amplifier is

and wiring and repair as necessary.

(Power LED is off)

not between 10.5 and

If the voltage is above 15.5 volts,

 

 

15.5 volts or there is no

have the electrical system inspected

 

 

voltage present.

by an authorized car service center.

 

 

 

 

 

 

Voltage to the B+ terminal

Check the alternator, battery, fuse,

 

 

of the amplifier is not be-

and wiring and repair as necessary.

 

 

tween 10.5 and 15.5 volts

If the voltage is above 15.5 volts,

 

 

or there is no voltage

have the electrical system inspected

 

 

present.

by an authorized car service center.

 

 

 

 

 

 

Amplifier is not properly

Check wiring and repair as neces-

 

 

grounded.

sary.

 

 

 

 

Amplifier

has no

Speaker leads are shorted

Disconnect existing speakers and

sound

 

 

to each other or to the chas-

test with known working speakers

(Power LED is on)

sis of the vehicle.

and wires. If amplifier 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.

 

 

 

 

Speaker

Output

Input gain signal for amplifier

Readjust input gains of amplifier.

Low or Distorted

is incorrectly set.

 

 

 

 

 

 

 

Source unit output too low or

Check system with known working

 

 

source unit has no output.

source and repair or replace origi-

 

 

 

nal source as needed.

 

 

 

 

 

 

Low battery voltage or large

Check the alternator, battery, fuse,

 

 

voltage drops to the amplifier

and power and ground wiring.

 

 

under load.

Repair as necessary.

 

 

 

Amplifier Noise

Voltage spike from output of

Disconnect input signal to ampli-

(Turn-on Pop)

preceding component is en-

fier and turn amplifier on and off. If

 

 

tering amplifier through in-

noise is eliminated, connect REM

 

 

put signal.

lead of amplifier to source unit with

 

 

 

a delay turn-on module.

 

 

 

 

– 21 –

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Contents Punch Punch 100PUNCH 150 Punch 250PUNCH 360 Punch 500 Punch Mono into a 4Ω Load 100dBA-weightedVolts 12dB/octaveButterworthPractice Safe Sound TA B L E O F CO N T E N T S T T I N G S T a R T E DPunch Amplifier Accessory Pack T R O D U C T I O NStable Into each channel Stable into bridged/mono Punch 2-CHANNEL Amplifier Feature Chart100 150 250 360 500 800 # of Channels Balanced InputsPhase Warp 00 ~ 100 150 250 360 500 800 Adjustable Punch BassVariable Punch Bass 0dB ~+18dB @ 45Hz Adjustable Xover 80Hz Dimensions H x W x LDesign Features PunchPage Installation Considerations Passenger Compartment Mounting Mounting LocationTrunk Mounting Engine Compartment MountingAppropriate inline connectors. Use the section Battery and ChargingWiring the System Page Using Passive Crossovers Table of Crossover Component Values Freq Speaker Impedance HertzPower Connections InstallationPower Connections Punch 100 / Punch Punch 250 / Punch 360 / PunchPower Connections Punch RCA Inputs High Level InputsCrossover Operation Punch Bass OperationStereo Operation Punch 100 / Punch Stereo Operation Punch 250 / Punch 360 / Punch 500 / PunchPunch 100 / Punch Mono OperationMono Operation Punch 250 / Punch 360 / Punch 500 / Punch Impedance for mono channel should be 4 ΩStereo/Mono Operation Punch 100 / Punch RCA InputSY S T E M DI a G R a M S Way SystemWay System Using single voice coil woofers Using dual voice coil woofers Symptom Diagnosis Remedy TR O U B L E S H O O T I N GInputs Using high levelEngine Noise Music Dynamic Power MeasurementsAbout the Dynamic Power Measurements Listening to Loudspeakers Not ResistorsInformation Cubed What is an Amplifier?Example of a Punch 200.2 PowerCube Limited WA R R a N T Y in F O R M AT I O N Page Instalacion Montaje en el MalateroMontaje en el Compartimento de Pasajeros Terminal B+Crossover en Full Range Terminal GNDTerminal REM No llevar a masa ningun cable de altavozMontage dans lhabitacle InstallationMontage dans le coffre Opération stéréo/mono tri mode Einbau Im FahrzeugkofferraumAuf der Beifahrerseite + AnschluβStereo/Mono Operation GND AnschluβREM Anschluβ Nellabitacolo InstallazioneNel Bagagliaio Terminale B+ cavo positivoTerminale GND cavo negativo Terminale REM Consenso di accensioneHandcrafted in the United States of America Rockford Fosgate
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