Yamaha YST-MSW8 Troubleshooting, Volume Adjustment, CURE, FAULT, CAUSE

Volume Adjustment

•If the YST-MSW8 is connected to an output jack for a sub-woofer on a powered main speaker (such as the Yamaha YST-M15, YST-M8, etc.) as shown in System example 1 on page 1, raise the VOLUME control of the YST-MSW8 to the maximum and set the BASS control to the noon or one-o’clock position. Then, use the volume control of the powered main speakers to adjust the overall volume.

•If the powered main speakers are connected to the YST-MSW8’s LINE OUT jack as shown in System example 2 on page 1, set the YST-MSW8’s BASS control to the noon or one-o’clock position and raise the volume control of the powered main speakers to the maximum. Then, use the YST-MSW8’s VOLUME control to adjust the overall volume.

BASSVOLUME

0	10	0	10
BASS			VOLUME
0	10	0	10

Troubleshooting

If the speakers fail to operate normally, check the following table. It lists common operation errors and simple measures that you can take to correct problems. If a problem cannot be corrected, or the symptom is not listed, disconnect the AC power cord and contact your authorized YAMAHA dealer or service center for help.

FAULT			CAUSE			CURE
No sound comes from		The AC power cord is not properly		Insert the AC power cord firmly into the wall out-
the speakers or sub-		plugged into the wall outlet.		let.
woofer.		The	(power) switch is turned OFF.	Turn ON the		(power) switch (the indicator
				lights).
		Connections are faulty or incomplete.		Make the connections again, firmly, or use a dif-
				ferent cable.
		The volume is set to minimum.		Turn the subwoofer VOLUME control to the right
				to increase the volume.
				Turn the speaker VOLUME control to the right to
				increase the volume.
		The level of the signal being input is		Turn up the volume on the connected component.
		too low.
Noise.		Connections are faulty or incomplete.		Make the connections again, firmly, or use a dif-
				ferent cable.
Noise is heard when the		The power cord of this unit connected		Connect the power cord to an UNSWITCHED AC
power is turned on.		to another unit’s SWITCHED AC OUT-		OUTLET.
		LET.		Make sure to use the				(power) switch on this
				unit to turn the power			on	and off.
Power is not supplied		The power plug is not securely con-		Connect it securely.
even though the		nected.
(power) switch is
	ON.
No sound.		The volume is set to 0.		Turn the VOLUME control to right.
		Speaker cables are not connected		Connect them securely.
		securely.
Sound level is too low.		Speaker cables are connected incorrectly.		Connect them correctly.
		A source sound with few bass frequen-		Play a source sound with bass frequencies. Turn
		cies is played.		the VOLUME control to right.
		It is influenced by standing waves.		Relocate the subwoofer or break up the parallel sur-
				face by placing bookshelves etc. along the walls.
The AUTO STANDBY		The	(power) switch is turned off.	Turn the	(power) switch on.
function doesn’t work.
		The source input signal is too low.		Raise the input signal level to appropriate level.
The AUTO STANDBY		The source input signal is too low.		Raise the input signal level to appropriate level.
function activates unin-
tentionally.
Power is turned on acci-		The other equipment’s hum interrupts		Relocate the YST-MSW8 or cable wiring. Other-
dentally when the AUTO		(i.e. computer, digital device).		wise, do not use the AUTO STANDBY function.
STANDBY function is set
to ON.

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