T B O U B L E S H O O T I N G G U I D E
PROBLEM | POSSIBLE CAUSE |
|
|
|
|
| 1. There is an audible distortion at a low | • Output levels NOT set correctly. |
|
volume level. | • Crossover frequencies NOT set correctly. |
|
| • Check for shorts on the speaker leads. |
|
2. A whining sound can be heard through the | • Check the red power wire. It muse be |
|
speakers when the audio system is at low | connected directly to the battery. |
|
volume with the engine running. The whining | • Check the system's ground point It muse | 9 |
| noise remains unchanged or seems to | make good contact with chassis ground | |
disappear when the volume level is | (bare metal). |
|
increased. | • The radio and the CROSSOVER must be |
|
| grounded at the same reference point. |
|
|
|
|
3. There is a "motor boating" type of sound | • Check the red power wire. It must be |
|
when the engine is running and the audio | connected directly to the battery. |
|
system volume is set at a reasonably high | • Check the system's ground point. It must |
|
level. | make good contact with chassis ground |
|
| (bare metal). |
|
|
|
|
4. High squeal noise from speakers | • This is almost always caused by a poorly - |
|
| grounded RCA patch cord. |
|
|
|
|
