Yamaha NX-SW10 Owner's Manual - Page 13

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, re-connect the power cord, and try the desired operation again. • When requesting repairs or after service, be sure to bring along with the VS-10 (sold separately). SYMPTOM No sound at all. No sound from the subwoofer. No sound from the center speaker or the rear speakers. No sound from the center speaker. A "humming" noise is present. CHECK • Is the AC power supply cord connected? • Is the sound from the VS-10 temporarily muted? Refer to the owner's manual for the VS-10 (sold separately). • Is the INPUT selector of VS-10 set correctly? Refer to the owner's manual for the VS-10 (sold separately). • Are the headphones connected to the VS-10? Refer to the owner's manual for the VS-10 (sold separately). • Is the system connector cable connected correctly? • Is the subwoofer level of the VS-10 set too low? Refer to the owner's manual for the VS-10 (sold separately). • Are the speaker cords connected correctly? • Is the center speaker level or the rear speaker level of the VS-10 set too low for the test tone? Refer to the owner's manual for the VS-10 (sold separately). • Is VIRTUAL SURROUND selected on the VS-10? Refer to the owner's manual for the VS-10 (sold separately). • Is DOLBY PRO LOGIC selected for a monaural source on the VS-10 ? Refer to the owner's manual for the VS-10 (sold separately). • Is GAME or HALL selected for the 2-channel source on the VS-10 ? Refer to the owner's manual for the VS-10 (sold separately). • Hum caused by external electromagnetic waves may be generated. Try inverting the right-left polarity of the power cord and re-insert into the AC outlet. Refer to page 5 - - - 5 - 3, 4 - - - - 5 English 9