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 | |
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| |
The power does not turn on. | The fuse has blown. | After checking for short circuits in the cables, replace | |
|
| the fuse with one having the same rating. | |
|
|
| |
| No ACC position on vehicle ignition. | Connect the same cable to the ignition as the battery cable. | |
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|
| |
No sound can be heard, or the | The Attenuator function is turned on. | Turn off the Attenuator function. | |
volume is low. |
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| |
The fader and/or balance settings are set all the way to | Reset the fader and/or balance settings. | ||
| |||
| one side. |
| |
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|
| |
| The input/output cables or wiring harness are connected | Reconnect the input/output cables and/or the wiring | |
| incorrectly. | harness correctly. See the section on "Connecting | |
|
| Cables to Terminals". | |
|
|
| |
| The value of “V OFFSET” is low. | Increase the value of “V OFFSET”. | |
|
|
| |
Nothing happens when the | The computer chip in the unit is not functioning normally. | Press the reset button on the unit (see page 4). | |
buttons are pressed. |
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|
The sound quality is poor or distorted.
A speaker cable may be pinched by a screw in the car. | Check the speaker wiring. |
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|
The speakers are not wired correctly. | Reconnect the speaker cables so that each output |
| terminal is connected to a different speaker. |
Radio reception is poor. | The car antenna is not extended. | Pull out the antenna all the way. |
| The antenna control cable is not connected. | Connect the cable correctly, referring to the section on |
|
| "Connecting Cables to Terminals". |
The memory is erased when the ignition is turned off.
The battery cable has not been connected to the proper | Connect the cable correctly, referring to the section on |
terminal. | "Connecting Cables to Terminals". |
|
|
The ignition and battery cable are incorrectly connected. | Connect the cable correctly, referring to the section on |
| "Connecting Cables to Terminals". |
The TEL mute function does | The TEL mute cable is not connected properly. | Connect the cable correctly, referring to the section on |
not work. |
| "Connecting Cables to Terminals". |
|
|
|
The TEL mute function turns | The TEL mute cable is touching a metal part of the car. | Pull the TEL mute cable away from the metal part of the |
on even though the TEL mute |
| car. |
cable is not connected. |
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