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English

Troubleshooting Guide

What 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

SOLUTION

No sound.
(No sound from one side.)
(Blown fuse.)

•  Input (or output) cables are 

disconnected.

•  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 

<Protection function>.

•  Replace the fuse and use lower 

volume.

•  After check the speaker cord and 

fixing the cause of the short, replace 
the fuse.

The output level is too 
small (or too large).

•  The input sensitivity adjusting 

control is not set to the correct 
position.

•  Adjust the control correctly referring 

to <Controls>.

The sound quality is bad.
(The sound is distorted.)

•  The speakers wire are connected 

with wrong 

+

 /

-

polarity.

•  A speaker wire is pinched by a screw 

in the car body.

•  The switches may be set improperly.

•  Connect them properly checking the 

+

 /

 -

 of the terminals and wires 

well.

•  Connect the speaker wire again so 

that it is not pinched by anything.

•  Set switches properly by referring to 

<System examples>.

B64-3047-00̲00̲M̲English.indd   12

B64-3047-00̲00̲M̲English.indd   12

04.12.27   2:01:51 PM

04.12.27   2:01:51 PM

Содержание KAC-6402

Страница 1: ... B64 3047 00 00 MV 4 3 2 CHANNEL POWER AMPLIFIER KAC 6402 INSTRUCTION MANUAL B64 3047 00 00 M English indd 1 B64 3047 00 00 M English indd 1 04 12 27 2 01 32 PM 04 12 27 2 01 32 PM ...

Страница 2: ...ing a fuse only use a new one with the prescribed rating Using a fuse with the wrong rating may cause your unit to malfunction To prevent a short circuit when replacing a fuse first disconnect the wiring harness NOTE If you experience problems during installation consult your Kenwood dealer If the unit does not seem to be working right consult your Kenwood dealer Cleaning the unit If the front pan...

Страница 3: ...her substances that are sensitive to heat will not come into contact with it When making a hole under a seat inside the trunk or somewhere else in the vehicle check that there is nothing hazardous on the opposite side such as a gasoline tank brake pipe or wiring harness and be careful not to cause scratches or other damage Do not install near the dashboard rear tray or air bag safety parts The ins...

Страница 4: ...fier The input right signal is not output 3 INPUT SELECTOR switch This switch selects the input method of the signals to be amplified by amplifiers A and B A B position Amplifies both of the signals input to amplifiers A and B A position Amplifies only signal input amplifier A with both amplifiers A and B 4 FILTER FREQUENCY control A ch B ch Sets the cutoff frequency when the FILTER switch is set ...

Страница 5: ...English 5 ...

Страница 6: ...6 English Connection ...

Страница 7: ...this unit to fail After installation check that the brake lamps winkers and wipers work properly Wiring Take the battery wire for this unit directly from the battery If it s connected to the vehicle s wiring harness it can cause blown fuses etc If a buzzing noise is heard from the speakers when the engine is running connect a line noise filter optional to each of the battery wire Do not allow the ...

Страница 8: ......

Страница 9: ......

Страница 10: ...10 English System examples L R L R ...

Страница 11: ...English 11 L R L R L C C L R L R ...

Страница 12: ...volume After check the speaker cord and fixing the cause of the short replace the fuse The output level is too small or too large The input sensitivity adjusting control is not set to the correct position Adjust the control correctly referring to Controls The sound quality is bad The sound is distorted The speakers wire are connected with wrong polarity A speaker wire is pinched by a screw in the ...

Страница 13: ... 45 kHz Sensitivity rated output MAX 0 2 V Sensitivity rated output MIN 5 0 V Signal to Noise Ratio 100 dB Input Impedance 10 kΩ Low Pass Filter Frequency 12 dB oct 50 200 Hz variable High Pass Filter Frequency 12 dB oct 50 200 Hz variable General Operating Voltage 14 4 V 11 16 V allowable Current Consumption 25 A Dimensions W x H x D 330 x 59 x 242 mm Weight 3 0 kg B64 3047 00 00 M English indd 1...

Страница 14: ...B64 3047 00 00 M English indd 14 B64 3047 00 00 M English indd 14 04 12 27 2 01 51 PM 04 12 27 2 01 51 PM ...

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