Yamaha NS-SW700 TROUBLESHOOTING, 15 En

TROUBLESHOOTING

Refer to the chart below if this unit does not function properly. If the problem you are experiencing is not listed below, or if the instructions given below do not help, disconnect the power cord and contact an authorized YAMAHA dealer or service center.

Problem	Cause	What to Do
Power is not supplied even though the	The power plug is not securely	Connect it securely.
STANDBY/ON button is set to the ON	connected.
position.
	The POWER switch is set to the OFF	Set the POWER switch to the ON
	position.	position.
No sound.	The volume is set to minimum.	Raise the volume up.
	Speaker cables are not connected	Connect them securely.
	securely.
Sound level is too low.	Speaker cables are not connected	Connect them correctly, that is L (left) to
	correctly.	L, R (right) to R, “+” to “+” and
		“–” to “–”.
	The PHASE switch is not set correctly.	Set the PHASE switch to the other
		position.
	A source sound with little bass	Play a source sound with bass
	frequency content is being played.	frequencies.
		Set the HIGH CUT control to a higher
		position.
	It is influenced by standing waves.	Reposition the subwoofer or break up
		parallel surfaces by placing bookshelves,
		etc., along the walls.
The subwoofer does not turn on	The POWER switch is set to the OFF	Set the POWER switch to the ON
automatically.	position.	position.
	The STANDBY/ON button is set to the	Set the STANDBY/ON button to the ON
	STANDBY position.	position.
	The AUTO STANDBY switch is set to	Set the AUTO STANDBY switch to the
	the OFF position.	“HIGH” or “LOW” position.
	The level of input signal is too low.	Set the AUTO STANDBY switch to the
		“HIGH” position.
The subwoofer does not turn into the	Noise generated from external	Move the subwoofer farther away from
standby mode automatically.	appliances etc., is activating the	such appliances, and/or reposition the
	subwoofer.	connected speaker cables.
		Otherwise, set the AUTO STANDBY
		switch to the “OFF” position.
	The AUTO STANDBY switch is set to	Set the AUTO STANDBY switch to the
	the OFF position.	“HIGH” or “LOW” position.
The subwoofer turns into the standby	The level of input signal is too low.	Set the AUTO STANDBY switch to the
mode unexpectedly.		“HIGH” position.
The subwoofer turns on unexpectedly.	Noise generated from external	Move the subwoofer farther away from
	appliances etc., is activating the	such appliances, and/or reposition the
	subwoofer.	connected speaker cables.
		Otherwise, set the AUTO STANDBY
		switch to the “OFF” position.

English

15 En