Yamaha NS-P40 Owners Manual - Page 8
Troubleshooting - 5 1 speakers
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English Notes • Once the subwoofer volume has been set, you can leave the subwoofer's VOLUME control set as it is and use your amplifier's volume control to adjust the volume of the entire system. • If you replace the front speakers (NS-B40) with other speakers, you will need to re-adjust the subwoofer's volume. Troubleshooting If this product doesn't work as expected, look for a possible cause below. If the issue you are experiencing is not listed, or you cannot resolve it after reading through these instructions, disconnect the power cable and contact an authorized Yamaha dealer or service center. ■ Front, surround speakers (NS-B40) and center speaker (NS-C40) Issue There's no sound. The sound is very quiet. Possible cause The speaker cables are not connected properly. The speaker cables are not connected properly. Remedy Make sure the speaker cables are connected properly. Make sure the speaker cables are connected properly: L (left) to L, R (right) to R, "+" to "+" and "-" to "-". ■ Subwoofer (NS-SW40) Issue The POWER switch is set to ON but the subwoofer doesn't work. There's no sound. The subwoofer is too quiet. Possible cause Remedy The power cable is not connected Set the POWER switch to OFF, then make sure the power properly. cable is connected properly. The VOLUME control is set to 0. Turn up the VOLUME control. The subwoofer cable is not connected properly. Make sure the subwoofer cable is connected properly. The source material doesn't contain much bass. Try playing source material that contains more bass. Bass sounds are being cancelled Reposition the subwoofer, or break up parallel wall surfaces out by standing waves. by placing bookshelves or other large objects along the wall. 5 En