
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 cable, and contact the nearest authorized YAMAHA dealer or service center.
■General
Problem | Cause | Remedy | Refer to | |
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This unit fails to turn | The power cable is not connected or the | Connect the power cable firmly. | — | |
on when MAIN ZONE | plug is not completely inserted. |
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ON/OFF on the front |
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The impedance setting is incorrect. | Set the impedance to match your speakers. | 29 | ||
panel (or POWER on | ||||
the remote control) is | The protection circuitry has been | Make sure all speaker wire connections on this unit |
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pressed, or enters in |
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activated. | and on all speakers are secure and that the wire for |
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the standby mode | 13 | |||
| each connection does not touch anything other than | |||
soon after the power |
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| its respective connection. |
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has been turned on. |
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| This unit has been exposed to a strong | Set this unit in the standby mode, disconnect the |
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| external electric shock (such as lightning | power cable, plug it back in after 30 seconds, then use | — | |
| and strong static electricity). | it normally. |
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No sound | Incorrect input or output cable | Connect the cables properly. If the problem persists, | ||
| connections. | the cables may be defective. | ||
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| The optimizer microphone is connected. | Disconnect the optimizer microphone. | — | |
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| The input mode is set to HDMI, COAX/ | Set the input mode to AUTO. | 41 | |
| OPT or ANALOG. |
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| No appropriate input source has been | Select an appropriate input source with INPUT, |
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| selected. | MULTI CH INPUT or the input selector buttons on | 34 | |
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| the remote control. |
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| Speaker connections are not secure. | Secure the connections. | 13 | |
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| The front speakers to be used have not | Select the front speakers by pressing |
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| been selected properly. | SPEAKERS A or B on the front panel (or by pressing | 34 | |
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| SPEAKERS A or B on the remote control). |
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| The volume is turned down. | Turn up the volume. | — | |
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| The sound is muted. | Press MUTE or any operation buttons of this unit to | 36 | |
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| cancel a mute and adjust the volume. | ||
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| The input mode is set to ANALOG while | Set the input mode to AUTO or COAX/OPT. |
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| playing a source encoded with a DTS |
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| signal. |
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| The signals this unit cannot reproduce (a | Play a source whose signals this unit can reproduce. |
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| received from a source component. |
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| The HDMI components connected to this | Connect HDMI components that support the HDCP |
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| unit do not support the HDCP copy | copy protection standards. | — | |
| protection standards. |
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| SUPPORT AUDIO is set to OTHER and | Set SUPPORT AUDIO to |
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| HDMI audio signals are not being played | SETUP. | 80 | |
| back on this unit. |
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No picture | V CONV. is set to OFF. | Set V CONV. to ON. | 83 | |
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| Video signals in the progressive format or |
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| HDTV video signals are being input. |
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| The signals input at the HDMI IN 1 or |
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| HDMI IN 2 jack are being output at the |
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| HDMI OUT jack. |
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