Troubleshooting
If your speakers fail to operate normally, check the following table. It lists common operating errors and simple measures which you can take to correct the problem. If it cannot be corrected, or the symptom is not listed, disconnect the speaker’s AC adaptor and contact your authorized YAMAHA dealer or service center for help.
| FAULT | CAUSE | CURE |
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No sound comes from one, or both, of | • The AC adaptor is not properly plugged in to the wall | • Insert the AC adaptor firmly into the wall outlet. |
the speakers. | outlet. |
|
No sound comes from the unit | • The POWER switch is turned OFF. | • Turn ON the POWER switch (the indicator lights). |
connected to the OUTPUT (ADJ.VOL.) | • Connections are faulty or incomplete. | • Make the connections again, firmly, or use a different |
jack on the rear panel. |
| cable. |
| • The volume is set to minimum. | • Turn VOLUME control to the right to increase the |
|
| volume. |
|
| • Turn the ADJ.VOL. knob to the right to increase the |
|
| volume. |
| • The signal being input is too small. | • Turn up the volume on the connected component. |
| • Headphones are connected. | • Disconnect the headphones. |
| (No sound comes from the OUTPUT jack when |
|
| headphones are connected.) |
|
|
|
|
Sound is distorted. | • The signal being input is too large. | • Turn down the volume on the connected component. |
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|
|
Intermittent noise. | • DSP is turned on when the volume level is low, or | • Turn OFF the DSP, or turn VOLUME to the right to |
| when there is no signal. | increase the volume. |
|
|
|
Noise. | • Connections are faulty or incomplete. | • Make the connections again, firmly, or use a different |
|
| cable. |
|
|
|
Noise is heard when the power is | • The power cord of this unit is connected to another | • Connect the power cord to an UNSWITCHED AC |
turned on. | unit’s SWITCHED AC OUTLET. | OUTLET. |
|
| Make sure to use the POWER switch on this unit to turn |
|
| the power on and off. |
|
|
|
No sense of sonic expansion. | • DSP ON/OFF is turned OFF. | • Set DSP ON/OFF to ON. |
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| |
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•Even if the POWER switch is set to off, a small amount of sound may be heard from the headphones if the VOLUME control is set to MAX.
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