Yamaha-NXSW10-hts-sm 维修电路原理图.pdf

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1、VS-10/NX-SW10Home Theater SystemVS-10Front SpeakerNX-VS10MRear SpeakerNX-VS10ERear SpeakerNX-VS10ECenter SpeakerNX-VS10CNX-SW10 is composed of SW-VS10, NX-VS10C and NX-VS10E.VS-10 is composed of VS-10 and NX-VS10M.Front SpeakerNX-VS10MSubwooferSW-VS10SERVICE MANUALHOME THEATER SYSTEMVS-10/NX-SW10100

2、733I CONTENTSTO SERVICE PERSONNEL . 1REMOTE CONTROL TRANSMITTER PANELS. 1FRONT/REAR PANELS . 24SPECIFICATIONS. 5DIMENSIONS . 6INTERNAL VIEW . 7VS-10 DISASSEMBLY PROCEDURES . 7P. C. B. OPERATION CHECK. 8SW-VS10 DISASSEMBLY PROCEDURES . 9TEST PROGRAM MODE (VS-10) . 1011DSP DIAG MODE (Self-diagnosis) .

3、 1218IC DATA . 1925BLOCK DIAGRAM. 2629PRINTED CIRCUIT BOARD . 3041SCHEMATIC DIAGRAM . 4246PARTS LIST. 4763DISPLAY DATA . 64REMOTE CONTROL TRANSMITTER . 6566IMPORTANT NOTICEThis manual has been provided for the use of authorized YAMAHA Retailers and their service personnel.It has been assumed that ba

4、sic service procedures inherent to the industry, and more specifically YAMAHA Products, 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 product may result in personal injury, de

5、struction of expensivecomponents, and failure of the product to perform as specified. For these reasons, we advise all YAMAHA product owners that any service requiredshould be performed by an authorized YAMAHA Retailer or the appointed service representative.IMPORTANT:The presentation or sale of thi

6、s manual to any individual or firm does not constitute authorization, certification or recognition of any applicabletechnical 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 r

7、esearch, engineering, and service departments of YAMAHA arecontinually striving to improve YAMAHA products. Modifications are, therefore, inevitable and specifications are subject to change without notice or obligation toretrofit. Should any discrepancy appear to exist, please contact the distributo

8、rs Service Division.WARNING:Static discharges can destroy expensive components. Discharge any static electricity your body may have accumulated by grounding yourself to theground buss in the unit (heavy gauge black wires connect to this buss).IMPORTANT:Turn the unit OFF during disassembly and part r

9、eplacement. Recheck all work before you apply power to the unit.VS-10/NX-SW10P.O.Box 1, Hamamatsu, JapanRadioFans.CN 收音机爱 好者资料库VS-10/NX-SW101WALLOUTLETEQUIPMENTUNDER TESTAC LEAKAGETESTER OREQUIVALENTINSULATINGTABLEWARNING: CHEMICAL CONTENT NOTICE!The solder used in the production of this product con

10、tains LEAD. In addition, other electrical/electronic and /or plastic(where applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency(and possibly other entities) to cause cancer and/or birth defects or other reproductive harm.DO NOT PLACE SOLDER, E

11、LECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REA-SON WHATSOEVER!Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or exposeeyes to solder/flux vapor!If you come in contact with solder or components located inside the enc

12、losure of this product, wash your hands beforehandling food.I TO SERVICE PERSONNEL1. Critical Components InformationComponents having special characteristics are marked sand must be replaced with parts having specifications equalto those originally installed.2. Leakage Current Measurement (For 120V

13、Models Only)When service has been completed, it is imperative to verifythat all exposed conductive surfaces are properly insulatedfrom supply circuits.GMeter impedance should be equivalent to 1500 ohm shuntedby 0.15F.GLeakage current must not exceed 0.5mA.GBe sure to test for leakage with the AC plu

14、g in both polarities.I REMOTE CONTROL TRANSMITTER PANELSU, C, A modelsB, G modelsRadioFans.CN 收音机爱 好者资料库VS-10/NX-SW102I FRONT/REAR PANELSG VS-10U, C modelsA modelVS-10/NX-SW103B, G modelG NX-VS10MG SW-VS10 (Subwoofer)U, C modelsVS-10/NX-SW104A modelB, G modelG NX-VS10C (Center Speaker)G NX-VS10E (Re

15、ar Speaker)VS-10/NX-SW105I SPECIFICATIONSI VS-10 (Center Unit)G Audio SectionMinimum RMS Output Power per Channel1kHz, 10% THD, 625W + 25WSignal to Noise Ratio (IHF-A-Network)VIDEO190dBTotal Harmonic Distortion (1kHz, 10W/6)VIDEO10.07%Input Sensitivity / ImpedanceVIDEO1200mV / 50kG Video SectionSign

16、al Level1V p-p / 75G GeneralPower SupplyU, C modelsAC120V, 60HzB, G modelsAC230V, 50HzA modelAC240V, 50HzPower Consumption60WStandby Power ConsumptionReference data5.5WDimensions (W x H x D)Only VS-10302 x 82 x 300mm(11-7/8 x 3-1/4 x 11-13/16)Setting Vertically (Include Stand and Pads)124 x 302.5 x

17、300mm(4-7/8 x 11-15/16 x 11-13/16)Setting Horizontally (Include Pads)302 x 88.5 x 300mm(11-7/8 x 3-1/2 x 11-13/16)Weight Only VS-104.7kg (10lbs. 6oz.)FinishBlack, SilverAccessoriesRemote Control Transmitter x1RCA Pin Cable (Video x1, Audio x1)Stand x1Pads (Side x1 and Bottom x1)Batteries x 4G Speake

18、r Section (NX-VS10M)Type2 way Bass Reflex (Magnetic-Shielding Type)Speakers10cm Cone, 2cm Super TweeterMaximum Power Handling Capacity25WImpedance6Dimensions (W x H x D)125 x 185 x 145mm(4-15/16 x 7-5/16 x 5-11/16)Weight Only NX-VS10M1.4kg (3lbs. 1oz.)I SW-VS10 (Subwoofer)Minimum RMS Output Power pe

19、r ChannelSW-VS10: 1kHz, 10% THD, 550WNX-VS10C: 1kHz, 10% THD, 640WNX-VS10E: 1kHz, 10% THD, 625W + 25WTypeAdvanced Active Servo Tecnology typeSpeakers16cm Cone (Magnetic-Shielding Type)Maximum Power Handling Capacity50WImpedance5Power SupplyU, C modelsAC120V, 60HzB, G modelsAC230V, 50HzA modelAC240V,

20、 50HzPower ConsumptionU, C models95WB, G, A models90WStandby Power ConsumptionReference data0WDimensions (W x H x D)200 x 395 x 400mm(7-7/8 x 15-9/16 x 15-3/4)Weight10.6kg (23lbs. 6oz.)AccessoriesWall Bracket x2Bracket x2Accessory Cord 4m x1, 15m x 2DIN Cord x1Pan Head Screw-sems x2Wing Bolts x2Fast

21、ener Tape x1setn NX-VS10C (Center Speaker)TypeBass Reflex (Magnetic-Shielding Type)Speakers8cm Cone x 2Maximum Power Handling Capacity40WImpedance6Dimensions (W x H x D)240 x 100 x 145mm(9-7/16 x 3-15/16 x 5-11/16)Weight1.7kg (3lbs. 12oz.)I NX-VS10E (Rear Speaker)TypeAcoustic Suspension (Magnetic-Sh

22、ielding Type)Speakers8cm ConeMaximum Power Handling Capacity30WImpedance6Dimensions (W x H x D)100 x 140 x 112mm(3-15/16 x 5-1/2 x 4-3/8)Weight0.68kg (1lbs. 8oz.)* Specifications subject to change without notice.U . U.S.A. modelC . Canada modelG. Europe modelB . British modelA . Australia model*TruB

23、ass and the symbol are trademarks of SRS Labs,inc. in the United States and selected foreign countries.TruBass technology is incorporated under license from SRSLabs, inc.*Manufactured under license from Dolby Laboratories.Dolby, Dolby Digital, Pro Logic, and the double-D symbolV are trademarks of Do

24、lby Laboratories. 1992-1997 DolbyLaboratories. All rights reserved.*Manufactured under license from Digital Theater Systems,Inc. US Pat. No. 5,451,942 and other world-wide patentsissued and pending. DTS, DTS Digital Surround, aretrademarks of Digital Theater Systems, Inc. copyright 1996Digital Theat

25、er Systems, inc. All rights reserved.VS-10/NX-SW10Unit : mm (inch)100 (315/16)112 (43/8)140 (51/2)240 (9-7/16)145 (5-11/16)100 (3-15/16)Unit : mm (inch)200 (7-7/8)400 (15-3/4)395 (15-9/16)Unit : mm (inch)125 (4-15/16)145 (5-11/16)185 (7-5/16)Unit : mm (inch)302 (11-7/8)300 (11-13/16)88.5 (3-1/2)82 (

26、3-1/4)Unit : mm (inch)I DIMENSIONS6G VS-10G NX-VS10MG SW-VS10 (Subwoofer)G NX-VS10C (Center Speaker)G NX-VS10E (Rear Speaker)VS-10/NX-SW103344444444455555511121123456787(Remove parts in the order as numbered below.)1. Removal of Side Covera. Remove 4 screws (1). (Fig. 1)b. Remove the Side Cover.2. R

27、emoval of Bottom Covera. Remove the screw (2) in Fig. 1, and 2 screws (3) inFig. 2 to remove the heat sink cover.b. Remove 9 screws (4), and the Bottom Cover can beremoved rearward. (Fig. 2)3. Removal of Top Covera. Remove 6 screws (5). (Fig. 3)b. Remove the Top Cover.Fig. 1Fig. 2I INTERNAL VIEW1 MA

28、IN P.C.B. (3)2 MAIN P.C.B. (4)3 MAIN P.C.B. (1)4 MAIN P.C.B. (2)5 DIGITAL P.C.B. (3)6 MAIN P.C.B. (5)7 DIGITAL P.C.B. (2)8 DIGITAL P.C.B. (1)I VS-10 DISASSEMBLY PROCEDURESFig. 3VS-10/NX-SW10Extension flexible flat cableCB1GNDGNDCB303CB311GNDCB302W306CB305GND99998880006667777CB1CB3CB28Fig. 5Fig. 6Fig

29、. 7Fig. 4I P.C.B. OPERATION CHECKPreparation before operation checka. Remove 3 screws (6). (Fig. 4)b. Remove the DSP Top Cover.c. Disconnect the flexible flat cable (CB1) from DIGITALP.C.B. (1). (Fig. 4)d. Remove 4 screws (7) and then remove DIGITALP.C.B. (1) from the DSP Bottom Cover. (Fig. 4)e. Re

30、move 3 screws (8). (Fig. 5)f. Remove the DSP Bottom Cover.g. Remove 4 screws (9). (Fig. 6)h. Remove 3 screws (0). (Fig. 5)i. Remove MAIN P.C.B. (1) from the main chassis.j. Disconnect the flexible flat cable (CB305) from MAINP.C.B. (1).k. Connect CB305 of MAIN P.C.B. (1) and CB1 ofDIGITAL P.C.B. (1)

31、 by using an extension cable(5P:MF105250).l. Place MAIN P.C.B. (1) upright with a cloth spread onthe main chassis. (Fig. 7)m.Tie one end of a string through the screw hole in therear panel and the other end through the screw hole inthe main chassis to secure them.n. Connect GND (x4 in Fig. 6, 7) to

32、the main chassis byusing a lead wire.CAUTION: The grounding point must be connected tomain chassis to keep the circuit in normaloperation when MAIN P.C.B. (1) and DIGITALP.C.B. (1) are removed from main chassis.VS-10/NX-SW10Amplifier UnitAGrill Assembly9I SW-VS10 DISASSEMBLY PROCEDURES(Remove parts

33、in the order as numbered below.)1. Removal of Grille Assembly.a. Insert the tip of flat tip (-) screwdriver to the slot on thebottom.Push up the Grille Assembly by applying force to thescrewdriver. (Fig. 8).b. Keep pushing up the Grille Assembly gradually until itcan be removed.*The Grille Assembly

34、is fixed securely at 6 dowels.When removing it, use care not to cause a scratchor any damage to the main unit. When reinstallingit, apply quick-drying type bond to the dowels of theGrille Assembly and fit it in place securely. (If it isonly pushed in, it will come off easily.)2. Removal of Amplifier

35、 Unita. Remove 14 screws (A) and then remove the AmplifierUnit. (Fig. 9)Fig. 9Fig. 8VS-10/NX-SW1010I TEST PROGRAM MODE (VS-10)1. Procedure for starting Test ProgramWith the power turned off, press the POWER key while pressing the VOLUME key and the DSP key simultaneously. Thisinitiates the Test Prog

36、ram function.When the Test Program is initiated, “01 DEST-Ex” appears on the FL display.2. Procedure for selecting and executing Test ProgramUsing the VOLUME + (UP) key and Volume - (DOWN) key, select the Test Program and then press the INPUT key toexecute it.3. Procedure for canceling Test ProgramT

37、here are two methods for cancellation.a. Turn off the power by pressing the POWER key of the main unit or the remote controller.b. Select the Test Program “01 DEST-Ex” and press the INPUT key for execution. (The normal mode will be restored.)4. Details of the Test Program functionDisplay01 DEST-ExFu

38、nctionDestination display/ test program endDestination displayJ:JaJ (Japanese)ExEx models02 Fact.TestFactory test modeThis test mode is used for factory inspection before shipping and is not usuallyused.If the test program has been executed, it is not possible to shift to another testprogram.In such

39、 case, cancel the test program.04 FL CHECKFL display light-up check1st time: FL display segments all light up and standby LED lights up.2nd time: Even number segments and digits light up and standby LED lights up.3rd time: Odd number segments and digits light up.1st time2nd time3rd time03 FL+CLEARFL

40、 display segments all light up / BACKUP RAM CLEAR1st time: FL display segments all light up and standby LED lights up.2nd time: RAM CLEAR is executed (RAM CLEAR OK on display*)* State before shipped out of the factory preset.VS-10/NX-SW1011Display05 DSP DiagFunctionThe DSP DIAG (self-diagnosis) mode

41、 is initiated. (Refer to page 7 for the details.)06 Ver-A1.05Microprocessor version / date displayExample of microprocessor display06 Ver-A1.05Example of microprocessor date display06 00.08.23What is displayed varies depending on the microprocessor software.07 SUMcdbcCheck sum calculation display /

42、re-calculation08 PrCan-OFFAll protection cancellation function ON/OFF *109 Pr!CPSProtection operation history display / clearC: VS-10 amplifier voltage (DC)P: Power supply circuit voltageS: SW-VS10 (Subwoofer) side: Normalx: Abnormal10 RemoCorrRROM collection (EEPROM) remote control data reception /

43、 data writeThis test mode is not usually used.*1CAUTION:Using this product with the protection function cancelled may cause damage to itself. Use special care for this pointwhen using this mode.VS-10/NX-SW1012I DSP DIAG MODE (Self-diagnosis)Use the remote controller supplied as an accessory to selec

44、t the menu.1. Procedure for starting DSP DIAGReferring to TEST PROGRAM MODE in the previous section, select/execute “05 DSP Diag”.When “05 DSP Diag” is executed, the current input name appears on the display followed by “Sel.1to9 Key”.2. Procedure for selecting Main menu and Sub-menuUsing 1 through

45、9 keys on the remote controller, select the main menu. Soon the sub-menu will appear on the display.Then, select the sub-menu. Every time the selected key (on the remote controller) is pressed, the sub-menu on the displaychanges.No.Main menu(Display)1Analog throughAnalog Thr.2DSP throughDsp Through3

46、AC-3/dts throughAC-3/dts Thr.4Pro logicPro Logic5Speakers setSpeakers Set6Effect offEffect Off7Manual testManual Test8No function9DIAG cancelSub-menu(Display)MAIN BYPASSA.T.M.BypassDSP 0dBA.T. DSP 0dBYSS908-SRAMDspT.908SRAMYS908DspT.YSS908DSP FULL BITDspT.FullBitStatus (Binary) Analo2/0CENTER LARGEP

47、roL.CenterLEFFECT OFFProL.Eff.OffMAIN : SMALL 0dBSp.MainS 0dBMAIN : LARGE 0dBSp.MainL 0dBLFE/BASS : MAINCENTER : NONESp.Lfe:M C:NLFE/BASS : MAINSp.LfeBass:MLFE/BASS : SWFRSp.Lfe:SwfrCENTER : NONESp.Cent:NoneCENTER : SMALLREAR : SMALLSp.Ce:S Re:SEFFECT OFFEffect OffALLM.Test AllMAIN LM.Test LeftCENTE

48、RM.TestCenterMAIN RM.Test RightREAR RM.Test RearRREAR LM.Test RearLLFEM.Test Lfe3. Procedure for canceling DIAGThere are two methods for cancellation of DIAG.a. Turn off the power by pressing the POWER key of the main unit or the remote controller.b. Press the 9 key of the remote controller. (The no

49、rmal mode will be restored.)VS-10/NX-SW10DIR2CODEC.DACS4227YM3436CODEC.ADAC3D2av(YSS918)CS4227DECODER256K SRAMDSPANALOG INL/RL/RMAIN RREAR LREAR RCENTERLFEL/RL/RDIGITAL INMAIN LDIR2CODEC.DACS4227YM3436CODEC.ADAC3D2av(YSS918)CS4227DECODER256K SRAMDSPANALOG INL/RL/RREAR LREAR RCENTERLFEL/RL/RDIGITAL I

50、NMAIN RMAIN L13Details of DIAG menu1. Analog Thr.The input is fixed to use the analog (A/D) and has 2 sub-menu items.DSP 0dBThe main L/R, C/LFE, RL/RR signals pass through the DSP section.MAIN BYPSSThe main L/R signal is output through the analog bypass without passing the DSPsection.The main L/R si