Yamaha NS-SW300 Owner's Manual

Also see for NS-SW200: Owner's manual Owner's manual Owner's manual Owner's manual Service manual

Contents

14 EnRefer to the chart below if this unit does not function properly.If the instructions given below do not help, or if the problem you are experiencing is not listed below, turn off the power to the unit, disconnect the power cord and contact an authorizedYamaha dealer or service center.TROUBLESHOOTINGProblem Cause What to DoPower is not suppliedeven though theSTANDBY/ON switchis set the ON position.The power plug is not securelyconnected.Connect it securely.The POWER switch is set to theOFF position.Set the POWER switch to theON position.The subwoofer doesnot turn onautomatically via thesystem connection.The system control cable is notconnected properly or securely.Connect the system controlcable properly.The POWER switch is set toOFF.Set the POWER switch to ON.No sound. The volume is set to minimum. Increase the volume.Speaker cables are notconnected securely.Connect speaker cables securely.Low range sound is toosoft or not heard.Speaker cables are notconnected correctly.Connect them correctly, that is L(left) to L; R (right) to R; “+” to“+” and “–” to “–”.The PHASE switch is not setcorrectly.Set the PHASE switch to theother position.A source sound with little bassfrequency content is beingplayed.Play a source sound with bassfrequencies.Set the HIGH CUT control to ahigher position.The sound is influenced bystanding waves.Relocate the subwoofer orchange its positioning angle.No bass frequency content isbeing output from the amplifier.Check the bass output setting ofthe amplifier.The subwoofer doesnot turn onautomatically.The POWER switch is set to theOFF position.Set the POWER switch to theON position.The STANDBY/ON switch isset to the STANDBY position.Set the STANDBY/ON switchto the ON position.The AUTO STANDBY switchis set to the OFF position.Set the AUTO STANDBYswitch to the HIGH or LOWposition.The level of input signal is toolow.Set the AUTO STANDBY switchto the HIGH position, and increasethe output level of the amplifier.No bass frequency content isbeing output from the amplifier.Check the bass output setting ofthe amplifier.The subwoofer doesnot enter standbymode automatically.Noise generated from externalappliances etc., is activating thesubwoofer.Move the subwoofer farther awayfrom such appliances, and/orreposition the connected speakercables.Set the AUTO STANDBY switchto the HIGH or LOW position.The AUTO STANDBY switch isset to the OFF position.Set the AUTO STANDBYswitch to the HIGH or LOWposition.The subwoofer entersstandby modeunexpectedly.The level of input signal is toolow.Set the AUTO STANDBYswitch to the HIGH position, andincrease the output level of theamplifier.The subwoofer turnson unexpectedly.Noise generated from externalappliances etc., is activating thesubwoofer.Move the subwoofer fartheraway from such appliances, and/or reposition the connectedspeaker cables.If the AUTO STANDBY switchis set to HIGH, set it to LOW.Alternatively, set the AUTOSTANDBY switch to the OFFposition.An object has falleninto the port.Do not try to remove the object.Attempting to remove theobject may cause a malfunction.Contact an authorized Yamahadealer or service center.Problem Cause What to Do

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