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Specifications, Troubleshooting – Yamaha YST-MS28 User Manual

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Specifications

Type

Active Servo Technology

Output power

Satellite speakers ..................... 5 W + 5 W (1 kHz, 4

at T.H.D.=10%)

Subwoofer................................ 15 W (100 Hz, 4

at T.H.D.=10%)

Input sensitivity

200 mV (1 kHz, 4

at 5 W)

Input impedance

10 k

Frequency response

40 Hz to 20 kHz

Speaker unit

Satellite speakers ..................... 5 cm (2") full-range cone, magnetic shielding
Subwoofer................................ 12 cm (5") cone, magnetic shielding

Power consumption

25 W

Power supply

U.S.A. and Canada models ...... AC 120 V, 60 Hz
Australia model........................ AC 240 V, 50 Hz
U.K. and Europe models.......... AC 230 V, 50 Hz
General model.......................... AC 110/120/220/240 V, 50/60 Hz

Dimensions

(W

×

H

×

D)

Satellite speakers ..................... 80 (3-1/8")

Ч

70 (2-3/4")

Ч

120 (4-3/4") mm

Subwoofer................................ 148 (5-13/16")

Ч

283 (11-1/8")

Ч

210 (8-1/4") mm

Weight

Satellite speakers ..................... 0.35 kg (12 oz.)

×

2

Subwoofer................................ 4 kg (8 lbs. 13 oz.)

Finish

YST-MS28 W .......................... Computer white
YST-MS28 B ........................... Black

Accessories

3.5 mm stereo mini-plug cable

×

1 (1.8m), 8 non skid pads

×

1

* Specifications subject to change without notice.

Troubleshooting

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

Even if the

(power) switch 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.

FAULT

CAUSE

CURE

No sound comes
from the speakers
or subwoofer.

The AC power cord is not properly plugged
into the wall outlet.

Insert the AC power cord firmly into the wall out-
let.

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 speaker VOLUME control to the right to
increase the volume.
Turn the subwoofer VOLUME control to the right
to increase the volume.

The level of the signal being input is too low. Turn up the volume on the connected component.

Headphones are connected.

Disconnect the headphones.

Sound is distorted.

The level of the signal being input is too high.

Turn down the volume on the connected compo-

nent.

Noise.

Connections are faulty or incomplete.

Make the connections again, firmly, or use a dif-

ferent cable.

Noise is heard
when the power is
turned on.

The power cord of this unit connected to
another unit’s SWITCHED AC OUTLET.

Connect the power cord to an UNSWITCHED
AC OUTLET.
Make sure to use the

(power) switch on this

unit to turn on and off.