62In 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.
Operation to reset
The microcomputer may fall into malfunction (impossibility to operate, erroneous display, etc.) when the power cord is un- plugged while power is ON or due to an external factor. In this case, execute the following procedure to reset the microcom- puter and return it to normal condition.
ÖPlease 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
Preparation section
Application section
Knowledge sections
Remote control unit
Symptom | Cause | Remedy |
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Remote control operation is not possible. | ÖBatteries are exhausted. | ÖReplace with new batteries. | ^ |
| ÖThe remote control is too far away from the | ÖOperate the unit inside the remote control- | ^ |
| system, the controlling angle is deviated or | lable range. |
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| there is an obstacle in between. |
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| ÖThere is no tape or CD set in the component | ÖSet a tape or CD in the component to be |
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| to be played. | played. |
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| ÖAn attempt is made to play the cassette | ÖWait until the recording ends. |
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| deck which is recording something. |
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| ÖThe MULTI CONTROL setting mode is acti- | ÖCancel the MULTI CONTROL setting mode. & | |
| vated. |
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Receiver, speakers
Symptom | Cause | Remedy |
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Sound is not produced. | ÖThe speaker cords are disconnected. | ÖConnect properly referring to “System con- |
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| nection”. |
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| ÖThe MUTE switch of remote control unit is | ÖSwitch MUTE OFF. |
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| switched ON. |
| * |
| ÖThe headphone plug is inserted into the | ÖUnplug the headphone plug. | |
| jack. |
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AUX (external input) sound is not pro- | ÖThe AUX INPUT LEVEL control on the rear | ÖAdjust to an optimum level. | u |
duced. | panel is set to MIN. |
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ÖThe LEVEL control is set to OFF. | ÖAdjust to an optimum level. | ( | |
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Sound is not output in the TUNER mode. | ÖEven when DEMO is ON, stations with | ÖSwitch the demonstration off. | 4 |
| weak radio waves are muted and their sound |
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| cannot be heard. |
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The character display blinks and sound is | ÖThe speaker cords are | ÖTurn the power OFF, remove the short- |
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not produced. |
| circuit and turn the power ON again. |
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Sound is not produced from the left or | ÖThe speaker cords are disconnected. | ÖConnect properly referring to “System con- |
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right speakers. |
| nection”. |
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Sound is not produced from the surround | ÖNo surround mode is activated. | ÖSet a surround mode. |
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speakers. |
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The clock display shows “- | ÖThere was a power failure. | ÖAdjust the present time again. | Y |
| ÖThe power cord was unplugged from the | ÖAdjust the present time again. | Y |
| outlet. |
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Timer operation is not possible. | ÖThe present time has not been adjusted or | ÖAdjust the present time referring to “Clock | Y |
| there was a power failure. | adjustment”. | I |
| ÖThe timer ON time and OFF time have not | ÖSet the timer ON time and OFF time. | |
| been set. |
| P |
| ÖThe timer execution was not set up. | ÖExecute the timer program. | |
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Radio stations cannot be received. | ÖThe antennas have not been connected. | ÖConnect antennas. | ¤ |
| ÖA proper broadcasting band has not been | ÖSelect a band. | |
| selected. | ÖTune to the frequency of the desired station. ¤ | |
| ÖThe frequency of the station to be received | ||
| is not tuned. |
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Noise interferes. | ÖCar ignition noise. | ÖInstall the outdoor antenna in an apart posi- |
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| tion from the road. |
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| ÖInfluence of an electric appliance. | ÖSwitch the suspected electric appliance OFF. |
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| ÖA TV set is installed near the system. | ÖInstall the TV or the system at an increased |
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| distance between them. |
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