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What appears to be a malfunction may not always be serious. If your unit should not perform as expected, consult the table below to see if the problem can corrected before seeking help from your dealer or service representative.
The microcomputer may malfunction (impossibility of operation, erroneous display, etc.) when the power cord is unplugged and
plugged in again while the unit is in ON mode with the 
key pressed or due to other external causes. In this case, execute the procedure on the right to reset the microcomputer and return the unit to the normal condition.
2While holding the 
(ON/STANDBY) key depressed, plug the power cord into the wall outlet again.
÷Resetting the microcomputer clears the memory you entered and returns it to the initial condition when the unit left the factory.
| Symptom | Cause | Remedy |
|
| Sound is not output or the volume level is | ÷ Connection cords are unplugged from the | ÷ Connect them properly referring to | |
| low. | jacks. | “System connection”. | 57 |
| ÷ MUTE is ON. | ÷ Press the MUTE key to OFF. | ¢ |
| (The MUTE ON indicator is blinking) | ÷ Set the TAPE 2 (MONITOR) key to OFF. | |
| ÷ The TAPE 2 (MONITOR) key is set to ON. | ||
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| |
| “PROTECT” blinks and sound is not | ÷ Speaker cords are | ÷ Unplug the AC cord, remove the short- | |
| output. |
| circuiting and plug the AC cord again. | |
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| Sound is not output from one of the | ÷ The BALANCE control is set to an extreme | ÷ Adjust the Left/Right balance. | £ |
| speakers. | position. |
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| |
| Sound is not output from the surround | ÷ The surround speaker cords and/or center | ÷ Connect them by referring to the power | |
| speaker and/or center speaker, or their | speaker cord are disconnected. | amplifier’s instruction manual. |
|
| sound is very small. | ÷ The Surround play mode has not been | ÷ Set the presence mode. | ° |
| engaged. | ÷ Adjust the surround and center speaker | |
| ÷ The surround and center speaker levels are set | ||
| to the minimum positions. | levels. |
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| |
| System control is not available when | ÷ “TAPE1” or “MD” is not displayed. | ÷ Switch the display to “TAPE 1” or “MD”. | |
| TAPE1 or MD is selected. |
|
| 0 |
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| |
| System control is not available when LD | ÷ “LD” or “DVD” is not displayed. | ÷ Switch the display to show “LD” or “DVD”. | |
| or DVD is selected. |
|
| 0 |
|
|
| |
| System control is impossible. | ÷ System control cords are connected incor- | ÷ Connect them correctly by referring to “Sys- | |
| rectly. | tem connection”. |
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Symptom | Cause | Remedy |
|
| Radio stations cannot be received. | ÷ No antenna is connected. | ÷ Connect an antenna. | 8 |
| ÷ The broadcast band is not set properly. | ÷ Set the broadcast band properly. | § |
| ÷ The frequency of the desired station is not | ÷ Tune the frequency of the desired station. | |
| tuned. |
| § |
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| |
| Interference. | ÷ Noise due to ignition noise of an automobile. | ÷ Install the outdoor antenna away from the | |
| ÷ Noise due to an influence from an electric | road. |
|
| ÷ Turn off the power to the appliance. |
| |
| appliance. |
|
|
| ÷ Noise due to a nearby TV set. | ÷ Install the system farther away from the TV | |
|
| set. |
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| |
| A station which was preset cannot be | ÷ The preset memory was cleared because the | ÷ Preset the stations by auto memory again. | |
| received by pressing the corresponding | power cord had been unplugged for a long |
| • |
| numeric key. | period of time. |
|
|
| ÷ The TUNER input is not selected. | ÷ Select the TUNER input. |
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Donot use contact cleaning agents because they could case a malfunction. Be specifically careful against using contact cleaning agents
Note containing oil, since they may deform the plastic components.