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 9 / · polarity. |
| 9 / · 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>. |
