TROUBLESHOOTING
Refer to the chart below when this unit does not function properly. If the problem you are experiencing is not listed below or if the instruction below does not help, set this unit to the standby mode, disconnect the power supply cable and contact the nearest authorized YAMAHA dealer or service center.
■General
Problem | Cause | Remedy | See | |
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This unit fails to turn on when | The power supply cable is not firmly | Connect the power supply cable firmly to | 21 | |
STANDBY/ON is pressed, or enters | connected to the AC wall outlet. | the AC wall outlet. |
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the standby mode soon after the |
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This unit has been exposed to a strong | Set this unit to the standby mode, | — | ||
power has been turned on. | ||||
| external electric shock (such as lightning | disconnect the power supply cable, plug |
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| and strong static electricity). | it back in after 30 seconds, then use it |
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| normally. |
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This unit suddenly enters the | The internal temperature becomes too | Wait about 1 hour for this unit to cool | — | |
standby mode. | high and the overheat protection circuitry | down and then turn it back on. |
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| has been activated. |
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| The sleep timer has turned the unit off. | Turn on the power, and play the source | — | |
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| again. |
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No sound. | Incorrect input or output cable | Connect the cables properly. If the | 14 | |
| connections. | problem persists, the cables may be |
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| defective. |
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| No appropriate input source has been | Select an appropriate input source with | 37 | |
| selected. | INPUT or the input selector buttons. |
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| The volume is turned down. | Turn up the volume. | 39 | |
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| The sound is muted. | Press MUTE or VOLUME +/– on the | 39 | |
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| remote control to resume audio output |
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| and then adjust the volume level. |
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| Signals this unit cannot reproduce (such | Play a source whose signals can be | — | |
| as PCM signals with more than 96 kHz | reproduced by this unit. |
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| of sampling frequency) are being |
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| Change the system settings of the source | — | ||
| received from source component. | |||
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| component. |
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The sound suddenly goes off. | The sleep timer has turned the unit off. | Turn on the power, and play the source | — | |
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| again. |
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| The sound is muted. | Press MUTE or VOLUME +/– on the | 39 | |
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| remote control to resume audio output |
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| and then adjust the volume level. |
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No sound from the effect | You are playing back the source or | Press one of the beam mode buttons on | 40 | |
channels. | program in the stereo mode or my beam | the remote control to select a multi- |
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| mode. | channel playback mode and then try to |
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| play back the source or program once |
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| more. |
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No sound from the center channel. | The output level of the center channel is | Raise the level of the center channel. | 68 | |
| set to minimum. |
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No sound from the surround | The output level of the surround | Raise the output level of the surround | 68 | |
channels. | channels is set to minimum. | channels. |
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No sound from the subwoofer. | BASS OUT in SUBWOOFER SET is set | Select SWFR. | 63 | |
| to FRONT. |
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| The source does not contain low bass |
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| signals. |
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