Troubleshooting - Yamaha YST-MS55D Owner's Manual

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 your authorized
YAMAHA dealer or service center.
PROBLEM
The speakers are The USB cable is not connected securely.
recognized as an
"unknown device"
by the computer.
You did not complete the USB Driver
Install procedure correctly.
No sound comes The AC power cord is not properly plugged
from the speakers. into the AC outlet.
The (standby/on) button on the front
panel of the right satellite speaker or the
POWER switch on the subwoofer is turned
Off.
The volume is set to minimum.
The level of the input signal is too low.
Connections are faulty or incomplete.
You are using a slow-speed USB cable.
Playback sound is Playback is affected by other open applica-
interrupted. tions.
Sound is distorted. The level of the input signal is too high.
Noise. Connections are faulty or incomplete.
Noise is heard The power cord of this unit is connected to
when the power is another unit's SWITCHED AC OUTLET.
turned on.
Even if the (standby/on) button is turned off, a small amount of sound may be heard from the headphones if the
VOLUME control is set to max. This is normal.
If the VOLUME control is set to max. while the headphones are connected, you may hear a small amount of sound
from the speakers. This is normal.
Note 1: USB ports are delicate. Handle them with care. Do not insert USB plugs forcefully or you may damage the
port.
Note 2: For more information on issues related to OS, consult the your computer manual or your computer dealer.
CAUSE
Remove the USB cable from the speaker and computer,
then re-connect it securely. Also, turn off and on the power
to the speakers.
Turn off the power to the speakers, remove the USB cable,
then turn on the power to the speaker again. If the USB
Driver is still not recognized, re-install it.
Insert the AC power cord firmly into the AC outlet.
Turn on the POWER switch on the subwoofer, then turn on
the
Turn the speaker VOLUME control to the right to increase
the volume.
Turn up the volume on the connected device.
Make the connections again, firmly, or use a different cable.
Make sure you use the USB cable included in the package
or an equivalent high-speed USB cable.
Close other open applications.
Turn down the volume on the connected device.
Make the connections again, firmly, or use a different cable.
Connect the power cable to an UNSWITCHED AC OUT-
LET.
Be sure to turn on the main POWER switch on the sub-
woofer first, then the
speaker to turn on the power to the speaker system. When
you turn off the power to the system, turn off the
(standby/on) switch on the right speaker, then turn off the
main POWER switch on the subwoofer.
REMEDY
(standby/on) button on the right satellite speaker.
(standby/on) switch on the right
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