TROUBLESHOOTING
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 | Set this unit to the standby mode, disconnect the |
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operate properly. | frozen by an external electric shock (such | AC power supply cable, plug it back in after 30 | – | |
| as lightning or excessive static electricity) | seconds, and use it normally. | ||
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| or by a power supply with low voltage. |
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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 | A speaker cable may be shorted. | Make sure a speaker cable is connected properly. | ||
mode soon after the |
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This unit has been exposed to a strong | Set this unit to the standby mode, disconnect the |
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power has been turned |
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external electric shock (such as lightning | AC power supply cable, plug it back in after 30 | – | ||
on. | and strong static electricity). | seconds, and use it normally. |
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This unit suddenly | The internal temperature becomes too high | Wait for about one hour for this unit to cool down, turn |
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enters the standby | and the overheat protection circuitry has | it 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 sleep timer has turned the unit off. | Turn on the power and play back the source again. | ||
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| The power has shut down after wireless | Resume wireless connection or detect audio of |
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| was disconnected for a while during | iPod/iPhone and turn on the unit. | – | |
| “Interlock” is set to “On” using |
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No sound. | Incorrect input or output cable connections. | Connect them with an HDMI connection or a | ||
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| digital connection. | ||
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| No appropriate input source has been | Select an appropriate input source with INPUT key | ||
| selected. | or input selector keys. | ||
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| The volume is turned down. | Turn up the volume. | ||
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| The sound is muted. | Press MUTE or VOLUME +/- key to resume audio | ||
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| 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 – component.
| “SUPPORT AUDIO” is set to “OTHER”. | Set to | ||
| “HDMI CONTROL” is set to “OFF”. | When connecting ARC (Audio Return Channel) |
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| supported TV and this unit using HDMI cable only, | ||
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| set “HDMI CONTROL” to “ON”. |
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| Connect coaxial digital input jack and TV’s audio | ||
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| output jack using a digital audio pin cable. | ||
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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 |
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become noise. |
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No sound or too small | The output level of the channel is muted. | Raise the output level of the channel. | ||
sound from a specific | The beam setting is inappropriate. | Adjust the beam setting. | ||
channel. |
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You play back the source in the stereo | Start surround playback. | |||
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| mode. |
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| Some audio output methods do not output | Adjust the beam setting. | ||
| sound beams for certain channels. |
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Surround sound effects | When connecting this unit with playback | Refer to the manual supplied with your component |
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are insubstantial. | component and TV digitally, the output | and check the setting. | – | |
| setting of the playback component and TV |
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| is not valid. |
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| The listening room is not a regular shape, | Relocate the unit or listening position. |
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| or the unit or listening position is not at the |
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| center of the right and left wall of the |
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| listening room. |
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| There is no wall in the path of the sound | Try placing a flat object, such as a board, in the path | – | |
| beam. | of the sound beam. | ||
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| When My Surround is selected, listening | Listen in front of this unit. | ||
| position is not in front of the unit. |
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