Symptom |
| Diagnosis |
| Remedy |
| |
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|
|
| |
Engine Noise | Noise | is radiating | into | Check connections, run the | ||
|
| RCA signal cable. |
| RCA cables on a different | ||
|
|
|
|
| route away from sources of | |
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|
|
|
| high voltage. |
|
|
|
|
| |||
|
| Bad component in the sig- | Check connections, bypass | |||
|
| nal chain. |
| additional components | ||
|
|
|
|
| (crossovers and equalizers) | |
|
|
|
|
| between the source | unit |
|
|
|
|
| and the amplifier. Connect | |
|
|
|
|
| one component at a time | |
|
|
|
|
| to determine the culprit. | |
|
|
|
|
| Repair or replace compo- | |
|
|
|
|
| nents as necessary. |
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|
|
|
|
|
| |
|
| Noise | is radiating | into | Disconnect existing speak- | |
|
| speaker cables. |
| ers and connect a test | ||
|
|
|
|
| speaker to the output ter- | |
|
|
|
|
| minals of the amplifier. If | |
|
|
|
|
| noise is gone, reroute the | |
|
|
|
|
| speaker cables away from | |
|
|
|
|
| sources of high voltage. | |
|
|
|
| |||
|
| Multiple grounds in the | Check ground connections | |||
|
| audio system. |
| and connect amplifiers, sig- | ||
|
|
|
|
| nal processors, and other | |
|
|
|
|
| components to a central | |
|
|
|
|
| location or try a different | |
|
|
|
|
| grounding point on | the |
|
|
|
|
| chassis. |
|
|
|
|
|
| ||
|
| Ground loop between | Check connections, | dis- | ||
|
| source unit and antenna. | connect antenna from | |||
|
|
|
|
| source unit. If noise is gone, | |
|
|
|
|
| install an antenna ground | |
|
|
|
|
| loop isolator. |
|
|
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|
• If noise persists, see your Authorized Rockford Fosgate Dealer.
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