TROUBLESHOOTING
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 AC power supply cable, and contact the nearest authorized Yamaha dealer or service center.
General
Problem | Cause | Remedy | See | |
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This unit does not | The internal microcomputer has been | Disconnect the AC power supply cable from the |
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operate properly. | frozen by an external electric shock (such | outlet and plug it again in after 30 seconds. | – | |
| as lightning or excessive static electricity) |
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| or by a power supply with low voltage. |
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| If both the TX and RX indicators are | Unplug the center unit and subwoofer power cables |
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| blinking, a problem has occurred with this | and contact your nearest authorized Yamaha dealer | – | |
| unit's wireless function. | or service center. |
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This unit fails to turn on | The AC power supply cable is not firmly | Connect the AC power supply cable firmly to the | ||
when key is pressed, | connected to the AC wall outlet. | AC wall outlet. | ||
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or enters the standby | The internal microcomputer has been | Disconnect the AC power supply cable from the |
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mode soon after the | frozen by an external electric shock (such | outlet and plug it again in after 30 seconds. | – | |
power has been turned | as lightning or excessive static electricity) |
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on. | or by a power supply with low voltage. |
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This unit suddenly | The internal temperature becomes too high | Wait for about 1 hour for this unit to cool down, turn it |
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enters the standby | and the overheat protection circuitry has | back on after confirming an adequate amount of | ||
mode. | been activated. | ventilation space and not to cover this unit with a cloth. |
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| The Eco function has been activated. | Turn on the power and play back the source again. | ||
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| Some time has passed since the wireless | Resume wireless connection or detect audio of iPod |
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| connection was terminated with “iPod | and turn on the unit. | – | |
| INTERLOCK” set to “ON” while |
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No sound. | Incorrect input or output cable connections. | Connect the cable properly. | ||
| No appropriate input source has been | Select an appropriate input source with the input | ||
| selected. | selector keys. | ||
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| The volume is turned down. | Turn up the volume. | ||
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| The sound is muted. | Press the MUTE or VOLUME | ||
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| audio output and adjust the volume level. | ||
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There is input signal cannot be played back by this unit.
Play a source whose signals can be reproduced by
this unit. Change the system settings of the source 76 component.
| “HDMI AUDIO OUT” is set to “TV”. | Set to “AMP”. | |
| “HDMI CONTROL” is set to “OFF”. | When connecting ARC (Audio Return Channel) |
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| supported TV and this unit using an HDMI cable | |
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| only, set “HDMI CONTROL” to “ON”. |
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| To use this unit with “HDMI CONTROL” set to |
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| “OFF”, use an optical cable to connect the TV’s | |
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| audio output jack to this unit's INPUT DIGITAL | |
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| TV (optical) jack. |
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| Sound from an HDMI | Use the TV’s HDMI settings to set audio output to |
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| is set for output from the TV’s | any option other than the TV’s | – |
| speakers. |
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The sound of effect | The source has a surround effect. | Do not put surround effect by this unit. |
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channel for cable |
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broadcasting may become noise.
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No sound or too small sound from a specific channel.
The output level of the channel is muted. | Raise the output level of the channel. | |
The beam setting is inappropriate. | Adjust the beam setting. | |
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You play back the source in stereo | Switch to surround playback mode. | |
playback mode. |
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Some audio output methods do not output | Switch the sound beam output method. | |
sound beams for certain channels. |
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