POWERED SPEAKER
YST-M40/M45D
SERVICE MANUAL
■ CONTENTS
FRONT PANELS ....................................... 1
REAR PANELS .......................................... 1
INSTALLING AND VERIFYING
THE YST-M45D SPEAKER
DEVICE DRIVERS .................................... 2
EXPLODED VIEW (YST-M40) .................. 4
EXPLODED VIEW (YST-M45D) ............... 5
YST-M40/M45D
■ SPECIFICATIONS
Type ................. Advanced Yamaha Active Servo Technology
Dimensions (W x H x D)
Output Power ................................. 12W + 12W (1kHz, 4Ω)
Right channel ...... 95 x 248 x 203 mm (3.74" x 9.76" x 7.99")
Input Sensitivity ....................... 200mV (1kHz, 4Ω at 12W)
Left channel ......... 95 x 248 x 199 mm (3.74" x 9.76" x 7.83")
Input Impedance ........................................................... 20kΩ
Frequency Response .................................. 70Hz to 20kHz
Weight
Right channel ......................................... 1.1 kg (2.43 lbs.)
Speaker Unit ...... 8cm (3.5") full-range cone, magnetic shielding
Left channel ............................................ 0.8 kg (1.76 lbs.)
Output Impedance ....................................................... 330Ω
Finish ............... YST-M40W/YST-M45DW: Computer white
Output Level ........................... 0.7V (at 200mV Rated Input)
YST-M40B/YST-M45DB: Black
Power Supply .......................................................... DC 15V
Accessories ........................ AC Adaptor (DC15V, 1.2A) x 1
3.5mm stereo mini plug cable (1.8 m) x 1
RCA pin plug cable (1.8 m) x 1
8pcs of non skid pads x 1 set
USB cable (2 m) x 1 / CD-ROM x 1 (YST-M45D only)
* Specifications are subject change without notice due to
product improvements.
100706
P.O.Box 1, Hamamatsu, Japan
YST-M40/M45D
■ FRONT PANELS
VOLUME
POWERED MULTIMEDIA SPEAKERS YST-M40
POWERED MULTIMEDIA SPEAKERS YST-M45D
BASS
YST-M40 (L ch)
YST-M45D (L ch)
TREBLE
3D SURROUND
YST-M40/M45D (R ch)
■ REAR PANELS
L
R
L
R
POWERED MULTIMEDIA
SPEAKERS
MODEL NO. YST-M40
POWERED MULTIMEDIA
SPEAKERS
MODEL NO. YST-M40
POWERED MULTIMEDIA
SPEAKERS
MODEL NO. YST-M45D
POWERED MULTIMEDIA
SPEAKERS
MODEL NO. YST-M45D
INPUT 1
INPUT 1
INPUT 2
TO RIGHT
SPEAKER
TO LEFT
SPEAKER
INPUT 2
TO RIGHT
SPEAKER
TO LEFT
SPEAKER
OUTPUT
OUTPUT
(ADJ. VOL.)
(ADJ. VOL.)
USB
INPUT
DC 15V
MADE IN CHINA
YST-M40 (L ch)
1
MADE IN CHINA
YST-M40 (R ch)
DC 15V
MADE IN CHINA
YST-M45D (L ch)
MADE IN CHINA
YST-M45D (R ch)
YST-M40/M45D
■ INSTALLING AND VERIFYING
THE YST-M45D SPEAKER
DEVICE DRIVERS
Please follow these steps to install the Yamaha YSTM45D speaker device drivers in your Windows 98 system
using the included CD-ROM, and verify that Windows 98
recognizes the installed device drivers and that audio CD,
sound generated while using software, and system
sounds from the computer will be output via the USB port.
Installing the device drivers
Notes:
• Do not connect the PC using the USB cable
before installing the YST-M45D device drivers. If
you accidentally connect them, refer to "Reinstalling the Device Driver" on page 3.
• Before starting, check the "System Requirements"
section to see if your PC supports YST-M45D.
• Make sure that no other CD-ROM is loaded in the
CD-ROM drive and that you quit all application
programs.
• Have your Windows 98 CD-ROM ready when you
install the Yamaha YST-M45D speaker device
drivers. You may need it in some cases.
• The installation procedure may differ from the
following instructions depending on the system
environment. Follow the instructions that appear in
the dialog box. Please contact your computer’s
manufacturer or dealer if you have any questions.
1. Connect the YST-M45D speakers as shown in the
diagram on page 2 of Owner's Manual and connect the
AC adaptor to the AC receptacle. At this time, do not
connect the YST-M45D to the computer using the USB
cable.
2. Turn on your PC and, if it’s not running already, start
Windows 98.
3. Insert the YAMAHA YST-M45D CD-ROM into the CDROM or DVD-ROM drive.
If the Windows 98 Autorun feature is turned on, the
installation start up screen appears automatically.
4. Continue with the installation as prompted.
If the Windows 98 Autorun feature is not turned on, you
must start the installation manually, as explained
below.
5. Double-click the My Computer icon.
The My Computer window opens.
6. Double-click the CD-ROM icon.
The installation start up screen appears.
7. Continue with the installation as prompted.
8. After the installation is completed, connect the YSTM45D to the computer using the USB cable.
Verifying the installation of device drivers
After you have installed the device drivers as explained in
the previous section, follow the steps below to verify that
Windows 98 recognizes these drivers.
1. Select "Start," then select "Settings-->Control Panel"
from the menu.
2. Double-click "System" in the control Panel to display
the "System Properties" panel, select the "Device
Manager" tab, then select "View devices by type."
3. Click the plus sign (+) for "Human Interface Devices,"
"Sound, video and game controllers," and "Universal
Serial Bus Controller" in the device list, and check to
see if "Human Interface Devices," "YAMAHA YSTM45D USB Audio," and "YAMAHA YST-M45D USB
Composite Device" are listed respectively.
Select "View devices by type".
"Human Interface Devices" is listed.
Select "View devices by type".
"YAMAHA YST-M45D USB Composite Device" is listed.
"YAMAHA YST-M45D USB Audio" is listed.
• The contents of the list on the display shown above
may vary depending on the system environment.
Note: If the letter an exclamation point (!), or a question
mark (?) appears to the left of the USB device name,
check the following:
• Make sure that you have installed the drivers from the
included CD-ROM.
• Check to see if the USB cable is connected securely.
• The AC adaptor plug is connected to the AC receptacle.
If these actions do not resolve the situation, refer to your
Windows documentation or ask your computer dealer to
enable the USB port.
2
YST-M40/M45D
Re-installing the Device Driver
If you connect the PC and the YST-M45D via the USB
ports using the USB cable before you install the included
application software, the YST-M45D device driver will not
recognize the devices correctly, and will display the
following items in the "System Properties" window:
• USB Audio Device in the list of "Sound, video and game
controllers"
• USB Composite Device in the list of "Universal serial
bus controller"
To recognize the devices correctly, re-install the driver
following the steps below:
1. Make sure the YST-M45D is connected to the PC via
the USB cable.
2. Click the "+" symbol next to "Universal serial bus
controller" to display the list.
3. Make sure that "USB Composite Device" appears in the
list and click to select it.
Ensuring the output of audio data from the
USB port
Follow the steps below to ensure that the USB port on
your computer is ready to output CD audio.
1. Select "Start," then select "Settings-->Control Panel"
from the menu.
2. Double-click "Multimedia" icon in the Control Panel to
display the "Multimedia Properties" window, and under
"Playback" in the "Audio" tab, make sure that
"YAMAHA YST-M45D USB Audio" is selected as the
"Preferred device."
(Depending on the computer, if multiple USB audio
devices are connected, the number of devices may
appears in parentheses.)
"YAMAHA YST-M45D USB Audio"
selected as Preferred device
• The contents of the list on the display shown left
may vary depending on the system environment.
"USB Composite Device" is listed.
4. Click [Remove].
The dialog shown below appears. Click [OK].
"USB Audio Device" will be deleted.
3. Select the "CD Music" tab, make sure that the text
below the "CD Music Volume" is Active, and check
"Enable digital CD audio for this CD-ROM device."
If the text below "CD Music Volume" appears in gray,
you cannot check the "Enable digital CD audio for this
CD-ROM device" box. In this case, your CD-ROM drive
may not be supported. Consult your computer
manufacturer or dealer.
Enable digital CD audio for this CD-ROM device
5. Make sure that "USB Composite Device" has been
deleted from the list of "Universal serial bus controller."
6. Disconnect the USB cable.
7. Insert the included CD-ROM into the CD-ROM drive
and re-install the device driver.
8. Check the device driver. Refer to "Verifying the
installation of device drivers" on page 2.
• The contents of the list on the display shown left
may vary depending on the system environment.
Now you are ready to enjoy your YST-M45D Speaker
System!
3
YST-M40/M45D
■ EXPLODED VIEW (YST-M40)
11
10
12
13
■ PARTS LIST
Ref.
No.
PART NO.
10
10
10
10
11
12
13
V4609900
V4609700
V4609800
V4609500
VS494400
VT309500
VS104300
Description
AC ADAPTOR
AC ADAPTOR
AC ADAPTOR
AC ADAPTOR
CABLE, MINI PLUG
RCA PIN CABLE
LEG
Remarks
DC15V 1.2A
DC15V 1.2A
DC15V 1.2A
DC15V 1.2A
1.8m
1.8m
8pcs. NONSKID PADS
Markets
(G)
(A)
(B)
(UC)
* New Parts
4
YST-M40/M45D
■ EXPLODED VIEW (YST-M45D)
11
10
12
13
14
15
■ PARTS LIST
*
Ref.
No.
PART NO.
10
10
10
10
11
12
13
14
15
V4609500
V4609700
V4609800
V4609900
VS494400
VT309500
VS104300
V4368200
V5325100
* New Parts
5
Description
AC ADAPTOR
AC ADAPTOR
AC ADAPTOR
AC ADAPTOR
CABLE, MINI PLUG
RCA PIN CABLE
LEG
USB CABLE
CD-ROM
Remarks
DC15V 1.2A
DC15V 1.2A
DC15V 1.2A
DC15V 1.2A
1.8m
1.8m
8pcs. NONSKID PADS
1P
2.0m
5.0
052588
Markets
(UC)
(A)
(B)
(G)