APPENDIX
TROUBLESHOOTING
Refer to the chart below when the 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 in the standby mode, disconnect the power cord and contact the nearest authorized YAMAHA dealer or service center.
■ GeneralProblem | Cause | Remedy | Refer to | |
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The unit fails to turn on | The power cord is not connected or the plug is | Firmly connect the power cord. | 18 | |
when STANDBY/ON (or | not completely inserted. |
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POWER) is pressed, or |
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The IMPEDANCE SELECTOR switch on the | Set the switch fully to the left or right position | 18 | ||
enters in the standby | ||||
rear panel is not fully set to the left or right | when the unit is in the standby mode. |
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mode soon after the |
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position. |
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power has been turned |
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on. | The protection circuit has been activated. | Make sure all speaker wire connections on this | 16, 17 | |
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| unit and on all speakers are secure and that the |
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| wire for each connection does not touch |
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| anything other than its respective connection. |
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No sound and/or no | Incorrect input or output cable connections. | Connect the cables properly. If the problem | 12 – 15 | |
picture. |
| persists, the cables may be defective. |
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| An appropriate input source has not been | Select an appropriate input source with INPUT | 21 | |
| selected. | l/ h or 6CH INPUT (or the input selector |
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| buttons). |
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| The speaker connections are not secure. | Secure the connections. | 16, 17 | |
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| The main speakers to be used have not been | Select the main speakers with SPEAKERS A | 21 | |
| selected properly. | and/or B. |
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| The volume is turned down. | Turn up the volume. | 22 | |
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| Digital signals other than PCM audio, Dolby | Play a source whose signals this unit can | — | |
| Digital or DTS signal which this unit cannot | reproduce. |
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| reproduce are being input to this unit by playing |
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| a |
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The sound suddenly | The protection circuit has been activated | Check the IMPEDANCE SELECTOR switch is | 18 | |
goes off. | because of a short circuit, etc. | set to the appropriate position and then turn the |
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| unit back on. |
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| Check the speaker wires are not touching each | 16, 17 | |
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| other and then turn the unit back on. |
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| The sleep timer has functioned. | Turn on the power, and play the source again. | 42 | |
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Only the speaker on one | Incorrect cable connections. | Connect the cables properly. If the problem | 12 – 17 | |
side can be heard. |
| persists, the cables may be defective. |
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