TROUBLESHOOTING
Be sure to investigate thoroughly before requesting repairs or after service. If it cannot be corrected, or if the problem is not listed in the SYMPTOM column, disconnect the power cord and contact your authorized YAMAHA dealer or service center.
Notes
•Sometimes the system may cease to recognize operations due to a mistaken operation or as a result of strong external noise (such as irregular voltage due to shock of impact, excessive static electricity, or lightning strike). If this happens, first disconnect the power cord, wait about 30 seconds,
•When requesting repairs or after service, be sure to bring along with the
SYMPTOM | CHECK | Refer to page |
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No sound at all. | • Is the AC power supply cord connected? | 5 |
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| • Is the sound from the | — |
| manual for the |
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| • Is the INPUT selector of | — |
| manual for the |
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| • Are the headphones connected to the | — |
| for the |
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| • Is the system connector cable connected correctly? | 5 |
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No sound from the subwoofer. | • Is the subwoofer level of the | — |
| manual for the |
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No sound from the center | • Are the speaker cords connected correctly? | 3, 4 |
speaker or the rear speakers. |
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• Is the center speaker level or the rear speaker level of the | — | |
| low for the test tone? Refer to the owner’s manual for the |
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| separately). |
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| • Is VIRTUAL SURROUND selected on the | — |
| manual for the |
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| • Is DOLBY PRO LOGIC selected for a monaural source on the | — |
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No sound from the center | • Is GAME or HALL selected for the | — |
speaker. | Refer to the owner’s manual for the |
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A “humming” noise is present. | • Hum caused by external electromagnetic waves may be generated. | 5 |
| Try inverting the |
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| the AC outlet. |
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English
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