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 remedy explanation does not help, set this unit to the standby mode, disconnect the power cord, and contact your nearest authorized YAMAHA dealer or service center.
■General
Problem | Cause | Remedy | Refer to | |
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This unit fails to turn | The power cord is not connected or the | Connect the power cord firmly. | — | |
on when STANDBY/ | plug is not inserted properly. |
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ON (or SYSTEM |
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The impedance setting is incorrect. | Set the impedance to match your speakers. | 28 | ||
POWER) is pressed, | ||||
or enters the standby |
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The protection circuitry has been | Make sure all speaker wire connections on this unit | |||
mode soon after the | ||||
activated. | and all speakers are secure, and that the connection |
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power has been |
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| wires are not touching anything other than their |
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turned on. |
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| respective connections. |
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| This unit has been exposed to a strong | Set this unit in the standby mode, disconnect the | — | |
| external electric shock (such as lightning | power cord, plug it back in after 30 seconds, then use |
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| or strong static electricity). | it as normal. |
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No sound | The input or output cable connections are | Connect the cables properly. If the problem persists, | ||
| incorrect. | the cables may be defective. |
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| The optimizer microphone is connected. | Disconnect the optimizer microphone. | 31 | |
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| The input mode setting is incorrect. | Select a different input mode. | 44 | |
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| No appropriate input source has been | Select an appropriate input source using INPUT | 37 | |
| selected. | SELECTOR, MULTI CH INPUT or the input selector |
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| buttons. |
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| Speaker connections are not secure. | Secure the connections. | 13 | |
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| The front speakers have not been selected | Select the front speakers you want to use with | 37 | |
| properly. | SPEAKERS A and/or B. |
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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 button on this unit to | 38 | |
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| cancel mute and adjust the volume. |
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| The signals this unit cannot reproduce are | Play a source whose signals this unit can reproduce. | — | |
| being received from a source component |
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| e.g.: a |
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