60In case of difficulty
What seems to be a malfunction is not always so. Before calling for service, check the following table according to the symptom of your trouble.
The microcomputer may fall into malfunction (impossibility to operate, erroneous display, etc.) when the power cord is unplugged while power is ON or due to an external factor. In this case, execute the following procedure to reset the microcomputer and return it to normal condition.
÷Please note that resetting the microcomputer clears the contents stored in and returns and to condition when it left the factory.
Unplug the power cord from the power outlet then, while holding the eject ENTER key depressed, plug the power cord again.
ENTER
| Symptom | Cause | Remedy |
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section | Remote control operation is not possible. | system, the controlling angle is deviated or | lable range. | * |
| ÷Batteries are exhausted. | ÷Replace with new batteries. | ||
Preparation |
| ÷The remote control is too far away from the | ÷Operate the unit inside the remote control- | * |
| there is an obstacle in between. |
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| ÷There is no tape or CD set in the component | ÷Set a tape or CD in the component to be |
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| to be played. | played. |
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| ÷An attempt is made to play the cassette | ÷Wait until the recording ends. |
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| deck which is recording something. | ÷Cancel the MULTI CONTROL setting mode. ( | |
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| ÷The MULTI CONTROL setting mode is acti- | ||
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| vated. |
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| Symptom | Cause | Remedy |
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| Sound is not produced. | ÷The speaker cords are disconnected. | ÷Connect properly referring to “System con- |
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| nection”. |
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| ÷The MUTE switch of remote control unit is | ÷Switch MUTE OFF. |
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| switched ON. |
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| ÷The headphone plug is inserted into the | ÷Unplug the headphone plug. | |
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| jack. |
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| AUX (external input) sound is not pro- | ÷The AUX INPUT LEVEL control on the rear | ÷Adjust to an optimum level. | o |
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| duced. | panel is set to MIN. |
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| ÷The LEVEL control is set to OFF. | ÷Adjust to an optimum level. | ¡ | |
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| Sound is not output in the TUNER mode. | ÷Sound is not output when the radio wave is | ÷Switch the demonstration off. | 4 |
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| weak (DEMO ON). |
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section |
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| The character display blinks and sound is | ÷The speaker cords are | ÷Turn the power OFF, remove the short- |
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| not produced. |
| circuit and turn the power ON again. |
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Application |
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| Sound is not produced from the left or | ÷The speaker cords are disconnected. | ÷Connect properly referring to “System con- |
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| right speakers. |
| nection”. |
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| The clock display shows “- | ÷There was a power failure. | ÷Adjust the present time again. | R |
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| ÷The power cord was unplugged from the | ÷Adjust the present time again. | R |
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| outlet. |
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| Timer operation is not possible. | ÷The present time has not been adjusted or | ÷Adjust the present time referring to “Clock | R |
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| there was a power failure. | adjustment”. | Y |
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| ÷The timer ON time and OFF time have not | ÷Set the timer ON time and OFF time. | |
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| been set. |
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| ÷The timer execution was not set up. | ÷Execute the timer program. | |
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| Radio stations cannot be received. | ÷The antennas have not been connected. | ÷Connect antennas. | • | |
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Knowledge |
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| ÷A proper broadcasting band has not been | ÷Select a band. | |
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| selected. | ÷Tune to the frequency of the desired station. • | ||
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| ÷The frequency of the station to be received | ||
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| is not tuned. |
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| Noise interferes. | ÷Car ignition noise. | ÷Install the outdoor antenna in an apart posi- |
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| tion from the road. |
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| ÷Influence of an electric appliance. | ÷Switch the suspected electric appliance OFF. |
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| ÷A TV set is installed near the system. | ÷Install the TV or the system at an increased |
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| distance between them. |
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