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

(No sound from one side.)

disconnected.

 

• Protection circuit may be

 

activated.

 

• The fuse may be blown because

 

the volume was too high.

Connect the input (or output) cables.

Check connections by referring to "Protection function".

Replace the fuse with a new fuse and use a lower volume.

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

The input sensitivity adjusting

Adjust the control correctly

control is not set to the correct

referring to “Controls”.

position.

 

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

The speakers cable are connected with wrong + / - polarity.

A speaker cable is pinched by a screw in the car body.

The switches may be set improperly.

Connect them properly checking the + / - of the terminals and cables well.

Connect the speaker cable again so that it is not pinched by anything.

Set switches properly by referring to "System examples".

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