Yamaha YST-SW45 Owner's Manual - Page 13

English TROUBLESHOOTING If the unit fails to operate normally, check the following points to determine whether the fault can be corrected by the simple measures suggested. If it cannot be corrected, or if the fault is not listed in the SYMPTOM column, disconnect the power cord and contact your authorized YAMAHA dealer or service center for help. SYMPTOM The power cannot be turned on. No sound. Sound level is too low. The unit does not turn on automatically. The unit turns off (on standby) unexpectedly. The unit turns on unexpectedly. CAUSE The power cord is not plugged in, or the Main POWER switch is set to the OFF position. The VOLUME control is set to 0. Speaker wires are not connected securely. Speaker wires are connected incorrectly. A source sound with few bass frequencies is played. It is influenced by standing waves. The Main POWER switch is set to the OFF position. The STANDBY/ON button is set to OFF. The AUTO STANDBY switch is set to the OFF position. The level of input signal is too low. The level of input signal is too low. An influence of noise generated from external equipment etc. REMEDY Plug the power cord into an AC outlet and/or set the Main POWER switch to the ON position. Turn the VOLUME control to right. Connect them securely. Connect them correctly; L (left) to L, R (right) to R, + to + and - to -. Play a source sound with bass frequencies. Set the HIGH CUT control to a higher position. Reposition the subwoofer or break up the parallel surface by placing bookshelves etc. along the walls. Set the Main POWER switch to the ON position. Set the STANDBY/ON button to ON. Set the AUTO STANDBY switch to the HIGH or LOW position. Set the AUTO STANDBY switch to the HIGH position. Set the AUTO STANDBY switch to the HIGH position. Move the unit farther away from such equipment and/ or change the position of connected speaker wires. Otherwise, set the AUTO STANDBY switch to the OFF position. SPECIFICATIONS YST-SW45 Type Active Servo Processing Subwoofer System Speaker Unit 20 cm (8") cone woofer (JA2162) magnetic shielding type x 1 Amplifier Output 70 W/5 ohms High-Cut Filter 50 Hz-150 Hz (-24 dB/oct.) Frequency Response 30 Hz-200 Hz (-10 dB) Power Supply U.S.A. and Canada models AC 120 V, 60 Hz Australia model AC 240 V, 50 Hz U.K. and Europe models AC 230 V, 50 Hz General and China models AC 110/120/220/240 V, 50/60 Hz Adjustable with Voltage Selector) Power Consumption 55 W Dimensions (W × H × D 235 mm × 365 mm × 318 mm (9-5/16" × 14-7/20" × 12-1/2") Weight 9 kg (19 lbs. 13 oz.) Supplied Accessory Rubber Pads * Design and specifications are subject to change without notice. 13