In case of difficulty
Resetting the Microcomputer
The microcomputer may malfunction (unit cannot be operated, or shows an erroneous display) if the power cord is unplugged while the power is ON, or due to some other external factor. If this happens, execute the following procedure to reset the microcomputer and return the unit to its normal operating condition.
•Please note that resetting the microcomputer will clear the contents of the memory and returns the unit to the state it was in when it left the factory.
Unplug the power cord from the wall outlet, then plug it back in while holding down the 
(POWER ON/STANDBY) key.
With the power cord plugged in, turn the POWER ON/OFF key OFF. Then, while holding down the 
(POWER ON/ STANDBY) key, press POWER ON/OFF key.
Amplifier
| Symptom | Cause | Remedy |
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| No sound from the speakers. | • The speaker cords are disconnected. | • Connect them properly referring to | |
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| “Connecting the speakers” | % |
| • VOLUME is set to the minimum position. | • Adjust the volume to a proper level. | ¶ |
| • MUTE is ON. | • Turn OFF the MUTE. | ª |
| • The SPEAKERS switches are set to OFF. | • Set the SPEAKERS switches to ON. | ¶ |
| • Headphones are connected to the PHONES | • Unplug the headphones plug. | ª |
| jack. |
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| The STANDBY indicator blinks and sound is | • Speaker cords are | • Turn the power off, eliminate the short- | |
| not output. |
| circuiting, then turn on the power again. | |
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Sound is not output from one of the speakers. | • The speaker cord is disconnected. | • Connect it properly referring to “Connecting | |
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| the speakers”. | % |
| • The speaker is not set up correctly. | • Set it up properly referring to “Preparing for | |
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| surround sound”. | ) |
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| Sound is not output from the surround | • The surround speaker cords and/or the center | • Connect it properly referring to “Connecting | |
speakers and / or the center speaker, or their | speaker cord is disconnected. | the speakers”. | % |
| sound is very small. | • The speaker is not set up correctly. | • Set it up properly referring to “Preparing for | |
|
| surround sound”. | ) |
| • A surround mode has not been engaged. | • Select a surround mode. |
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| • The surround and/or center volume controls | • Adjust the speaker levels using the test tone. | |
| are set to the minimum level. |
| ¢ |
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| A humming noise is generated when the | • The audio cord from the record player is not | • Insert the audio cord plugs securely into the | |
| PHONO input selector is selected. | connected to the PHONO jacks. | PHONO jacks. |
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| • The record player is not grounded. | • Connect the grounding wire to the GND | |
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| terminal on the rear panel. |
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| When playing a Dolby Digital source signal | • There are many possible causes for this | • Set the input mode to digital manual before | |
using a DVD player, the sound is cut off soon | problem, depending on the type of DVD player | starting playback of the Dolby Digital source. | |
| after it starts. | used. |
| 8 |
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No sound is produced during playback from | • The input mode is set to digital manual. | • Press the INPUT MODE key to select to full | |
| a DVD player. |
| auto mode. | 8 |
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| A video source cannot be recorded | • The software is | • | |
| normally. |
| recorded. |
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| Display such as Exx : XXX appears. | • Problems are detected while in AUTO SETUP | • Refer to "About error messages" and "About | |
| calibration. | warning messages". | ¡ |
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