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) |
(No sound from one side.) | disconnected. |
| cables. |
(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 | • | Adjust the control correctly referring |
small (or too large). | control is not set to the correct |
| to <Controls>. |
| position. |
|
|
The sound quality is bad. | • The speakers wire are connected | • Connect them properly checking the | |
(The sound is distorted.) | with wrong |
| + / - 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>. |
12 English