Yamaha-YSTM-45-D-Service-Manual电路原理图.pdf

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1、P.O.Box 1, Hamamatsu, Japan 100706 SERVICE MANUAL POWERED SPEAKER YST-M40/M45D Type. Advanced Yamaha Active Servo Technology Output Power . 12W + 12W (1kHz, 4) Input Sensitivity. 200mV (1kHz, 4 at 12W) Input Impedance. 20k Frequency Response . 70Hz to 20kHz Speaker Unit .8cm (3.5) full-range cone, m

2、agnetic shielding Output Impedance . 330 Output Level . 0.7V (at 200mV Rated Input) Power Supply . DC 15V Dimensions (W x H x D) Right channel .95 x 248 x 203 mm (3.74 x 9.76 x 7.99) Left channel .95 x 248 x 199 mm (3.74 x 9.76 x 7.83) Weight Right channel . 1.1 kg (2.43 lbs.) Left channel . 0.8 kg

3、(1.76 lbs.) Finish .YST-M40W/YST-M45DW: Computer white YST-M40B/YST-M45DB: Black 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 subje

4、ct change without notice due to product improvements. I SPECIFICATIONS YST-M40/M45D I 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 L POWERED MULTIMEDIA SPEAKERS MODEL NO

5、. YST-M40 TO RIGHT SPEAKER MADE IN CHINA L POWERED MULTIMEDIA SPEAKERS MODEL NO. YST-M45D TO RIGHT SPEAKER MADE IN CHINA R POWERED MULTIMEDIA SPEAKERS MODEL NO. YST-M40 INPUT 1 INPUT 2 DC 15V TO LEFT SPEAKER OUTPUT (ADJ. VOL.) MADE IN CHINA R POWERED MULTIMEDIA SPEAKERS MODEL NO. YST-M45D INPUT 1 IN

6、PUT 2 USB INPUT DC 15V TO LEFT SPEAKER OUTPUT (ADJ. VOL.) MADE IN CHINA VOLUME BASSTREBLE3D SURROUND POWERED MULTIMEDIA SPEAKERS YST-M45DPOWERED MULTIMEDIA SPEAKERS YST-M40 YST-M40 (L ch)YST-M45D (L ch)YST-M40/M45D (R ch) I FRONT PANELS YST-M40 (L ch)YST-M40 (R ch)YST-M45D (L ch)YST-M45D (R ch) I RE

7、AR PANELS 1 YST-M40/M45D I INSTALLING AND VERIFYING THE YST-M45D SPEAKER DEVICE DRIVERS Please follow these steps to install the Yamaha YST- M45D 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 au

8、dio 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 Re- installing t

9、he 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 spea

10、ker 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 computers manufacturer or dealer if you have any questions. 1. Conn

11、ect the YST-M45D speakers as shown in the diagram on page 2 of Owners 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 its not running already, start Windows 98. 3. Insert the YAMAHA YST-

12、M45D CD-ROM into the CD- ROM 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 expla

13、ined 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 YST- M45D to the computer using the USB cable.

14、 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

15、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 Interfac

16、e Devices, YAMAHA YST- M45D USB Audio, and YAMAHA YST-M45D USB Composite Device are listed respectively. 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 U

17、SB 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

18、or ask your computer dealer to enable the USB port. 2 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. YST-M40/M45D Re-installing the Device Driver If you connect the PC a

19、nd 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

20、 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 d

21、isplay the list. 3. Make sure that USB Composite Device appears in the list and click to select it. 4. Click Remove. The dialog shown below appears. Click OK. USB Audio Device will be deleted. 5. Make sure that USB Composite Device has been deleted from the list of Universal serial bus controller. 6

22、. 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. 3 USB Composite Device is listed. Ensuring the output of audio data from the USB port Follow

23、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 sur

24、e 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.) 3. Select the CD Music tab, make sure that the text below the CD Music Volume is Active, and check Enable

25、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. Now you are ready to enjoy your YST

26、-M45D Speaker System! 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. Enable digital CD audio for this CD-ROM device The contents of the list on the display shown left may vary depending on the sy

27、stem environment. YST-M40/M45D 10 12 11 13 I PARTS LIST I EXPLODED VIEW (YST-M40) 10V4609900AC ADAPTORDC15V1.2A(G) 10V4609700AC ADAPTORDC15V1.2A(A) 10V4609800AC ADAPTORDC15V1.2A(B) 10V4609500AC ADAPTORDC15V1.2A(UC) 11VS494400CABLE, MINI PLUG1.8m 12VT309500RCA PIN CABLE1.8m 13VS104300LEG8pcs. NONSKID

28、 PADS * New Parts Ref. No.PART NO.DescriptionRemarksMarkets 4 YST-M40/M45D 10 12 11 13 14 15 I EXPLODED VIEW (YST-M45D) I PARTS LIST 10V4609500AC ADAPTORDC15V1.2A(UC) 10V4609700AC ADAPTORDC15V1.2A(A) 10V4609800AC ADAPTORDC15V1.2A(B) 10V4609900AC ADAPTORDC15V1.2A(G) 11VS494400CABLE, MINI PLUG1.8m 12VT309500RCA PIN CABLE1.8m 13VS104300LEG8pcs. NONSKID PADS 14V4368200USB CABLE1P2.0m *15V5325100CD-ROM5.0052588 * New Parts Ref. No.PART NO.DescriptionRemarksMarkets 5