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 |
|
|
|
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. |
|
|
|
If you have selected Standby | The Power Off Timer function has been activated. | If you do not want the power to go OFF automatically, |
mode, the power will go OFF |
| cancel the Power Off Timer function. |
automatically. |
|
|
No sound can be heard, or the volume is low.
The Attenuator function is turned on. | Turn off the Attenuator function. |
The fader and/or balance settings are set all the way to | Reset the fader and/or balance settings. |
one side. |
|
The input/output cables or wiring harness are connected incorrectly.
Reconnect the input/output cables and/or the wiring harness correctly. See the section on "Connecting Cables to Terminals".
| The values of Volume offset are low. | Increase the values of Volume offset. (see p. 15) |
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. |
|
|
|
|
|
The sound quality is poor or distorted.
A speaker cable may be pinched by a screw in the car. | Check the speaker wiring. |
|
|
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. |
|
|
A CD ejects as soon as it is loaded.
The CD is | Load the CD with the labelled side up. |
|
|
The CD is quite dirty. | Clean the CD, referring to the section on "Cleaning CDs" |
| (see page 6). |
— 41 —