Yamaha-YSTMS35D-spk-sm(1) 维修电路原理图.pdf

100695POWERED MULTIMEDIA SPEAKERSYST-MS30/YST-MS35DTO SERVICE PERSONNEL . 1FRONT AND REAR PANELS. 12SPECIFICATIONS. 34INTERNAL VIEW . 4DISASSEMBLY PROCEDURES . 5ICONTENTSUSB PORT OPERATION CHECK TEST . 613BLOCK DIAGRAM. 1415PRINTED CIRCUIT BOARD . 1617SCHEMATIC DIAGRAM . 18PARTS LIST . 1927SERVICE MANUALIMPORTANT NOTICEThis manual has been provided for the use of authorized YAMAHA Retailers and their service personnel.It has been assumed that basic service procedures inherent to the industry, and more specifically YAMAHAProducts, are already known and understood by the users, and have therefore not been restated.WARNING:Failure to follow appropriate service and safety procedures when servicing this productmay result in personal injury, destruction of expensive components, and failure of theproduct to perform as specified. For these reasons, we advise all YAMAHA productowners that any service required should be performed by an authorized YAMAHARetailer or the appointed service representative.IMPORTANT:The presentation or sale of this manual to any individual of firm does not constituteauthorization, certification or recognition of any applicable technical capabilities,or establish a principle-agent relationship of any form.The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research,engineering, and service departments of YAMAHA are continually striving to improve YAMAHA products.Modifications are, therefore, inevitable and specifications are subject to change without notice or obligationto retrofit. Should any discrepancy appear to exist, please contact the distributors Service Division.WARNING:Static discharges can destroy expensive components. Discharge any static electricityyour body may have accumulated by grounding yourself to the ground buss in the unit(heavy gauge black wires connect to this buss).IMPORTANT:Turn the unit OFF during disassembly and part replacement. Recheck all work beforeyou apply power to the unit.RadioFans.CN 收音机爱 好者资料库1YST-MS30/YST-MS35DYST-MS30 YST-MS35DI TO SERVICE PERSONNEL1. Critical Components information.Components having special characteristics are marked andmust be replaced with parts having specifications equal tothose originally installed.2. Leakage Current Measurement (For 120V Model only).When service has been completed, it is imperative that youverify that all exposed conductive surfaces are properly insu-lated from supply circuits.GMeter impedance should be equivalent to 1500 ohm shunted by0.15F.GLeakage current must not exceed 0.5mA.GBe sure to test for leakage with the AC plug in both polarities.WARNING: CHEMICAL CONTENT NOTICE!The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (whereapplicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and possiblyother entities) to cause cancer and/or birth defects or other reproductive harm.DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASONWHATSOEVER!Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose eyesto solder/flux vapor!If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handlingfood.WALLOUTLETEQUIPMENTUNDER TESTAC LEAKAGETESTER OREQUIVALENTINSULATINGTABLEI FRONT AND REAR PANELSSatellite SpeakersLeft YST-MS35D only YST-MS35D onlyRearFrontTopRearFrontTopRightRadioFans.CN 收音机爱 好者资料库2YST-MS30/YST-MS35DYST-MS30 YST-MS35DSubwoofer YST-MS35D U and C models only YST-MS35D U and C models onlyA model onlyB and G models onlyRearFrontTop YST-MS35D only YST-MS35D only3YST-MS30/YST-MS35DYST-MS30 YST-MS35DDimensions (W x H x D)Satellite65x75x119mm(2.6x3x7-4.7)Subwoofer183x196x183mm(7.2x7.7x7.2)WeightSatelliteLeft: 0.36kg (13 oz.)Right: 0.45kg (1Ibs.)Subwoofer2.3kg (5Ibs. 1oz.)FinishYST-MS30YST-MS30WComputer white colorYST-MS30BBlack colorYST-MS35DYST-MS35DWComputer white colorYST-MS35DBBlack colorAccessoriesYST-MS30AC adapter (DC15V, 1.2A)x13.5mm stereo mini plug cable with black color(1.8m) x18 pcs of nonskid pads x1setYST-MS35DAC adapter (DC15V, 1.2A)x13.5mm stereo mini plug cable with black color(1.8m) x1USB cable (2m) x18 pcs of nonskid pads x1setCD-ROM x1System Requirements YST-MS35DOS:Microsoft Windows 98CPU: 200 MHz or faster Intel Pentium MMX processor orequivalentHDD: At least 10 MB available spaceCD-ROM drive for driver installationUSB port compatible with USB standards ver 1.0* Specifications subject to change without votice.U . U. S. A. modelB .British modelC . Canadian modelG .European modelA . Australian modelTypeAdvanced Yamaha Active Servo Technology(Advanced Y. S. T)Output PowerSatellite6W+6W (1kHz, 4 ohms at T.H.D.=10%)Subwoofer18W (100Hz, 4 ohms at T.H.D.=10%)Input Sencitivity200mV (1kHz, 4 ohms at 6W)Input Impedance20 kohmsFrequency ResponseSatellite+Subwoofer45Hz to 20kHzCrossover FrequencySatellite/Subwooferfc=180HzSpeaker UnitSatellite:5cm(2) cone (JA05U8),Magnetic Shielding TypeSubwoofer:12cm(5) cone (JA1286),Magnetic Shielding TypeInput SctionYST-MS30Subwoofer3.5mm stereo mini jack for audio-signal x2YST-MS35DSubwoofer3.5mm stareo mini jack for audio-signal x2SubwooferUSB digital x1Output SctionSubwooferRCA pin jack connected to Left speaker8 pin jack connected to Right speakerOperating SectionSatellite(standby/on)SwitchVolume controlSubwooferBass controlPower Supply(AC adapter)U, C modelsAC120V/60HzA modelsAC240V/50HzB, G modelsAC230V/50HzIntel and Pentium are registered trademarks and MMX is atrademark of Intel Corporation.Windows is a registered trademark of Microsoft Corporationin the United States and/or other countries.All other trademarks are property of their respective owners.I SPECIFICATIONS4YST-MS30/YST-MS35DYST-MS30 YST-MS35DDIMENSIONSM Satellite SpeakerM SubwooferI INTERNAL VIEWSatellite SpeakersNotes:The Satellite Speakers are available by the speaker unit (Left or Right).Individual parts of the Satellite Speakers are not available. (See page 23 and 24 of the PARTS LIST for YST-MS30,page 25 and 26 of the PARTS LIST for YST-MS35D.)M LeftM Right1Satellite Speaker Unit L2Satellite Speaker Unit R3P. C. B. AMP (3)Subwoofer4Speaker Unit5P. C. B. AMP (1)6P. C. B. AMP (4)(YST-MS35D only)7P. C. B. MAIN (2)Units : mm (inch)?65(2.6)119(4.7)183(7.2)183(7.2)75(3)65(2.6)65(2.6)119(4.7)75(3)65(2.6)8.2(0.3)1235674196(7.7)LeftRight5YST-MS30/YST-MS35DYST-MS30 YST-MS35DI DISASSEMBLY PROCEDURES(Remove parts in disassembly order as numbered.)Disassemble of the Subwoofer1. Removal of the Rear Panel Assy.a. Remove 1 knob from the rear panel assy in Fig. 1.b. Remove 8 screws ( 1 ) in Fig. 1, and remove the rearpanel assy from the cabinet assy.c. Disconnect the speaker cord in Fig. 1.Fig. 2Fig. 12. Removal of the Speaker Unita. Remove 4 screws ( 2 ) in Fig. 2, and remove thespeaker unit from the cabinet assy.3. Removal of the P. C. B. Assya. Remove 2 screws (3) in Fig. 3, and remove the P. C. B.AMP (1) from the rear panel assy.b. Disconnect 2 connectors (CN1 and CN3) from the P. C.B. AMP (1) in Fig. 3.c. Remove 4 screws (4) in Fig. 3, and remove the moldcase from the rear panel assy.d. Remove 3 screws (5) in Fig. 3, and remove the P. C. B.AMP (2) from the rear panel assy.YST-MS35D onlye. Remove 2 screws (6) in Fig. 3, and remove the P. C. B.AMP (4) from the rear panel assy.f. Disconnect 2 connectors (CN2 and CN5) from the P. C.B. AMP (4) in Fig. 3.Fig. 3Cabinet AssyRear Panel AssySpeaker CordKnobCabinet AssySpeaker Unit1111122222Rear Panel Assy33333666665555544444P.C.B. AMP (1)Mold CaseCN1CN3P.C.B. AMP (4)CN2CN5P.C.B. AMP (2)CN3CN1YST-MS35DI USB PORT OPERATION CHECK TESTThe YST-MS35D has a USB port. This USB port operation is checked be necessary whether or not normal state.1. Installing and verifying the YST-MS35D speaker device driversPlease follow these steps to install the Yamaha YST-MS35D speaker device drivers in your Windows 98 system using theincluded CD-ROM, and verify that Windows 98 recognizes the installed device drivers and that CD audio, sound generatedwhile using software, and system sounds from the personal computer will be output via the USB port.(1) Measuring instruments Personal Computer (Windows 98) CD-ROM (Accessory) USB Cable (Accessory) AC adapter (Accessory)(2) System requirementsFor digital audio streaming using a USB connection:OS: Microsoft Windows 98CPU: 200 MHz or faster Intel Pentium MMX processor or equivalentHDD: At least 10 MB available spaceCD-ROM drive for driver installationUSB port compatible with USB standards ver 1.0(3) Installing the speaker device drivers6YST-MS30/YST-MS35D1. Connect the YST-MS35D speakers and connect the AC adapter to the AC receptacle. At this time, do notconnect the subwoofer to the computer using the USB cable.2. Turn on your PC and start Windows 98.3. Insert the YAMAHA YST-MS35D 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 explained below.5. Double-click the My Computer icon.The My Computer window opens.6. Double-click the “Yamaha” CD-ROM icon.The installation start up screen appears.7. Continue with the installation as prompted.8. After the installation is completed, connect the subwoofer to the computer using the USB cable.Notes: Do not connect the PC and the subwoofer using the USB cable before installing the YST-MS35D devicedrivers. If you accidentally connect them, refer to “(5) Re-installing the Device Driver” on page 8. Before starting, check “(2) System Requirements” section, above, to see that your PC supports YST-MS35D. 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-MS35D speaker device drivers. You mayneed it in some cases. The installation procedure may differ from the following instructions depending on the system environment. Followthe instructions that appear in the dialog box. Please contact your computers manufacturer or dealer if you have anyquestions.7YST-MS30/YST-MS35DYST-MS35D(4) Verifying the installation of device driversAfter you have installed the device drivers as explained in the previous section, follow the steps below to verify thatWindows 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 SerialBus Controller” in the device list, and check to see if “Human Interface Devices,” “YAMAHA YST-MS35D USBAudio,” and “YAMAHA YST-MS35D USB Composite Device” as shown below. The contents of the list on the display shown above may vary depending on the system environment.Note: If an exclamation point (!), or a question mark (?) appears to the left of the USB device name,check the ollowing:1. Make sure that you have installed the drivers from the included CD-ROM.2. Check to see if the USB cable is connected securely.3. The AC adapter plug is connected to the AC receptacle.Select View devices by type.Human Interface Devices is listed.Select View devices by type.AMAHA YST-MS35D USB Audio is listed.YAMAHA YST-MS35D USB Composite Device is listed.8YST-MS30/YST-MS35DYST-MS35D(5) Re-installing the Device DriverIf you connect the PC and the YST-MS35D via the USB ports using the USB cable before you install the included applicationsoftware, the YST-MS35D 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-MS35D 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.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.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 “(4) Verifying the installation of device drivers” on page 7.USB Composite Device is listed.(6) Ensuring the output of audio data from the USB portFollow 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-MS35D USB Audio” is selected as the “Preferreddevice.”(Depending on the computer, if multiple USB audio devices are connected, the number of devices may appears in paren-theses.)3.Select the “CD Music” tab, make sure that the text below the “CD Music Volume” is Active, and check “Enabledigital 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-ROMdevice” 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-MS35D Speaker System!YAMAHA YST-MS35D USB Audio selected as Preferred deviceEnable digital CD audio for this CD-ROM device The contents of the list on the display shown at left mayvary depending on the system environment. The contents of the list on the display shown at left mayvary depending on the system environment.9YST-MS30/YST-MS35DYST-MS35D2. STARTING THE USB PORT OPERATION CHECK TESTThe USB port operation check test is using the tool for check test USB Check Version X.X.(1) Downloading the tool for check testPease follow these steps to download the tool for check test in your PC from the homepage of USB.1.Access to the URL http:/www.usb.org/developers/index.html.2.developers of USB homepage will be displayed.3.Click Tools from the menu of developers.4.Click USBComp.exe from the menu of Tools.5.After the file unzips and USB Check file, Hidview file, and all needed drivers appear.6.Make sure that USB Check file appears and click to select it.7.After the downloaded, running the tool for check test USB Check Version X.X.(2) Starting the check testDownloading the tool for check test.refer to (1) Downloading the tool for check test.PLUG