Kenwood KAC-7201 Instruction Manual

Also see for KAC-7201: Instruction manual Instruction manual Service manual

Contents

12 EnglishTroubleshooting GuideWhat might appear to be a malfunction in your unit may just be the result of slightmisoperation or miswiring. Before calling service, first check the following table for possibleproblems.PROBLEM POSSIBLE CAUSE SOLUTIONNo sound.(No sound from one side.)(Blown fuse.)The output level is toosmall (or too large).The sound quality is bad.(The sound is distorted.)• Input (or output) cables aredisconnected.• Protection circuit may beactivated.• Volume is too high.• The speaker cord is shorted.The input sensitivity adjustingcontrol is not set to the correctposition.• The speakers wire areconnected with wrong + / -polarity.• A speaker wire is pinched by ascrew in the car body.• The switches may be setimproperly.• Connect the input (or output)cables.• Check connections by referringto "Indicator".• Replace the fuse and use lowervolume.• After check the speaker cord andfixing the cause of the short,replace the fuse.Adjust the control correctlyreferring to “Controls”.• Connect them properly checkingthe + / - of the terminals andwires well.• Connect the speaker wire againso that it is not pinched byanything.• Set switches properly byreferring to "System examples".SpecificationsSpecifications subject to change without notice.Audio SectionMax Power Output ............................................................................................................800 W × 1Rated Power OutputNormal (4 Ω) (20 Hz – 20 kHz, 0.08 % THD) ....................................................................150 W × 2Normal (2 Ω) (1 kHz, 0.8 % THD) ....................................................................................230 W × 2Bridged (4 Ω) (1 kHz, 0.8 % THD) ....................................................................................460 W × 1Frequency Response (+0, –3 dB) ..................................................................................5 Hz – 50 kHzSensitivity (rated output) (MAX.) ................................................................................................0.2 VSensitivity (rated output) (MIN.) ................................................................................................5.0 VSignal to Noise Ratio................................................................................................................100 dBInput Impedance........................................................................................................................10 kΩLow Pass Filter Frequency (18 dB/oct.) ............................................................50 – 200 Hz (variable)High Pass Filter Frequency (12 dB/oct.) ..................................................................................150 HzBass Boost Circuit (90 Hz) ............................................................................................OFF / +12 dBGeneralOperating Voltage ..................................................................................14.4 V (11 – 16 V allowable)Current Consumption (4 Ω, 10 % THD) ......................................................................................43 ADimensions (W × H × D) ......................................................................................285 × 57 × 305 mm....................................................................................................................11-1/4 × 2-1/4 × 12 inchWeight ......................................................................................................................3.32 kg (7.3 lbs)

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