10 EnglishTroubleshooting GuideWhat might appear to be a malfunction in your unit may just be the result of slight misoperation or miswiring.Before calling service, first check the following table for possible problems.PROBLEM POSSIBLE CAUSE SOLUTIONNo sound.(No sound from one side.)(Blown fuse.)• Input (or output) cables aredisconnected.• Protection circuit may be activated.• Volume is too high.• The speaker cord is shorted.• Connect the input (or output)cables.• Check connections by referring to.• Replace the fuse and use lowervolume.• After check the speaker cordand fixing the cause of the short,replace the fuse.The output level is too small(or too large).The input sensitivity adjustingcontrol is not set to the correctposition.Adjust the control correctly referringto .The sound quality is bad.(The sound is distorted.)• The speakers wire are connectedwith wrong + / -polarity.• A speaker wire is pinched by ascrew in the car body.• The switches may be setimproperly.• Connect them properly checkingthe + / - of the terminals andwires well.• Connect the speaker wire again sothat it is not pinched by anything.• Set switches properly by referringto .SpecificationsSpecifications subject to change without notice.Audio SectionMax Power Output ................................................................................................................................................................................... 1000 W × 1Rated Power Output(4 Ω) (20 Hz – 200 Hz, 0.5 % THD).................................................................................................................................................... 200 W × 1(2 Ω) (100 Hz, 0.5 % THD) ...................................................................................................................................................................... 400 W × 1(1 Ω) (100 Hz, 1.0 % THD) ...................................................................................................................................................................... 500 W × 1Frequency Response (+0, –3 dB) .................................................................................................................................................5 Hz – 200 HzSensitivity (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)Infrasonic Filter Frequency (18 dB/oct.) ............................................................................................................................. OFF / 15 / 25 HzBass Boost Circuit (90 Hz) .................................................................................................................................................................OFF / +12 dBGeneralOperating Voltage .................................................................................................................................................. 14.4 V (11 – 16 V allowable)Current Consumption (4 Ω, 10 % THD).........................................................................................................................................................31 ADimensions (W × H × D) .....................................................................................................................................................285 × 57 × 268 mmWeight .........................................................................................................................................................................................................................2.96 kg
