Troubleshooting - Yamaha YST-MSW8 Owner's Manual

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.

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
No sound comes from
the speakers or sub-
woofer.
Noise.
Noise is heard when the
power is turned on.
Power is not supplied
even though the
(power) switch is ON.
No sound.
Sound level is too low.
The AUTO STANDBY
function doesn't work.
The AUTO STANDBY
function activates unin-
tentionally.
Power is turned on acci-
dentally when the AUTO
STANDBY function is set
to ON.
3
CAUSE
The AC power cord is not properly
plugged into the wall outlet.
The (power) switch is turned OFF.
Connections are faulty or incomplete.
The volume is set to minimum.
The level of the signal being input is
too low.
Connections are faulty or incomplete.
The power cord of this unit connected
to another unit's SWITCHED AC OUT-
LET.
The power plug is not securely con-
nected.
The volume is set to 0.
Speaker cables are not connected
securely.
Speaker cables are connected incorrectly. Connect them correctly.
A source sound with few bass frequen-
cies is played.
It is influenced by standing waves.
The (power) switch is turned off.
The source input signal is too low.
The source input signal is too low.
The other equipment's hum interrupts
(i.e. computer, digital device).
CURE
Insert the AC power cord firmly into the wall out-
let.
Turn ON the (power) switch (the indicator
lights).
Make the connections again, firmly, or use a dif-
ferent cable.
Turn the subwoofer VOLUME control to the right
to increase the volume.
Turn the speaker VOLUME control to the right to
increase the volume.
Turn up the volume on the connected component.
Make the connections again, firmly, or use a dif-
ferent cable.
Connect the power cord to an UNSWITCHED AC
OUTLET.
Make sure to use the (power) switch on this
unit to turn the power on and off.
Connect it securely.
Turn the VOLUME control to right.
Connect them securely.
Play a source sound with bass frequencies. Turn
the VOLUME control to right.
Relocate the subwoofer or break up the parallel sur-
face by placing bookshelves etc. along the walls.
Turn the (power) switch on.
Raise the input signal level to appropriate level.
Raise the input signal level to appropriate level.
Relocate the YST-MSW8 or cable wiring. Other-
wise, do not use the AUTO STANDBY function.
BASS VOLUME
0 10 0 10
BASS VOLUME
0 10 0 10