Troubleshooting Guide
What might seem 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 |
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The power does not turn on. |
| The fuse has blown. | After checking for short circuits in the wires, replace the |
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| fuse with one with the same rating. |
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No sound can be heard, or the |
| Attenuator is turned on. | Turn off Attenuator. |
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volume is low. |
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| The fader or balance settings are set all the way to one | Reset the fader or balance settings. |
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| ||
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| side. |
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| The input/output wires or wiring harness are connected | Reconnect the input/output wires or the wiring harness |
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| incorrectly. | correctly. See the section on "Connecting Wires to |
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| Terminals". |
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| The value of “V OFFSET” is low. | Increase the value of “V OFFSET”. |
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Nothing happens when the |
| The computer chip in the unit is not functioning normally. | Press the reset button on the unit (see p. 5). |
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buttons are pressed. |
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The sound quality is poor or |
| One of the speaker wires is being pinched by a screw in | Check the speaker wiring. |
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distorted. |
| the car. |
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The speakers are not wired correctly.
Reconnect the speaker wires so that each output terminal is connected to a different speaker.
Radio reception is poor. | The car antenna is not extended. | Pull the antenna out all the way. |
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| The antenna control wire is not connected. | Connect the wire correctly, referring to the section on |
|
| "Connecting Wires to Terminals". |
The memory is erased when the ignition is turned off.
The battery wire has not been connected to the proper | Connect the wire correctly, referring to the section on |
terminal. | "Connecting Wires to Terminals". |
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The ignition and battery wire are incorrectly connected. | Connect the wire correctly, referring to the section on |
| "Connecting Wires to Terminals". |
— 27 —