TROUBLESHOOTING
Problem | Cause | Remedy | Refer to |
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A “humming” sound can | Incorrect cable connections. | Firmly connect the audio plugs. If the problem | – |
be heard. |
| persists, the cables may be defective. |
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The volume level cannot | The component connected to the OUT | Turn on the power to the component. | – |
be increased, or the | (REC) jacks of this unit is turned off. |
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sound is distorted. |
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The sound effect cannot | It is not possible to record the sound effect |
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be recorded. | with a recording component. |
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The sound field | “OPTION 2 MEM. GUARD” in the set | Set “OPTION 2 MEM. GUARD” in the set menu | – |
parameters and some | menu is set to ON. | to OFF. |
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other settings on the |
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unit cannot be changed. |
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The unit does not | The internal microcomputer has been | Disconnect the AC power cord from the outlet | – |
operate properly. | frozen by an external electric shock (such | and then plug it in again after about 30 seconds. |
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| as lightning or excessive static electricity) |
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| or by a power supply with low voltage. |
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“CHECK SP WIRES” | The speaker cables are short circuited. | Make sure all speaker cables are connected | – |
appears on the front |
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panel display. |
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There is noise interfer- | This unit is too close to the digital or high- | Move this unit further away from such | – |
ence from digital or | frequency equipment. | equipment. |
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equipment, or this unit. |
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The unit suddenly turns | The internal temperature has become too | Wait until the unit cools down and then turn it | – |
into standby mode. | high and the overheat protection circuitry | back on. |
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| has been activated. |
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INFORMATION | ADDITIONAL |
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English
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