Kenwood KAC-6403 PROBLEM, POSSIBLE CAUSE, SOLUTION, No sound, (Blown fuse.), small (or too large), The output level is too, The sound quality is bad, (No sound from one side.)

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.	•	Input (or output) cables are	•	Connect the input (or output) cables.
(No sound from one side.)		disconnected.
(Blown fuse.)	•	Protection circuit may be activated.	•	Check connections by referring to
				<Protection function>.
	• Volume is too high.		• Replace the fuse and use lower
				volume.
	• The speaker cord is shorted.		• After check the speaker cord and
				fixing the cause of the short, replace
				the fuse.
The output level is too	•	The input sensitivity adjusting control	•	Adjust the control correctly referring
small (or too large).		is not set to the correct position.		to <Controls>.
The sound quality is bad.	• The speakers wire are connected with		• Connect them properly checking the
(The sound is distorted.)		wrong + /-polarity.		+ / - of the terminals and wires
				well.
	• A speaker wire is pinched by a screw		• Connect the speaker wire again so
		in the car body.		that it is not pinched by anything.
	• The switches may be set improperly.		• Set switches properly by referring to
				<System examples>.

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