Yamaha-YSTSW45-sub-sm(1) 维修电路原理图.pdf

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1、STANDBY/ONHIGH CUTVOLUME50Hz150Hz010SUPERWOOFER SYSTEM YST-SW45P.O.Box 1, Hamamatsu, JapanSERVICE MANUALPOWERED SUBWOOFER SYSTEMYST-SW45100676 CONTENTSTO SERVICE PERSONNEL . 1SPECIFICATIONS. 1DIMENSIONS . 1INTERNAL VIEW . 2REAR PANELS . 2DISASSEMBLY PROCEDURES . 3BLOCK DIAGRAM. 4IC BLOCK. 4PRINTED C

2、IRCUIT BOARD . 57SCHEMATIC DIAGRAM . 8PARTS LIST . 915IMPORTANT NOTICEThis manual has been provided for the use of authorized YAMAHARetailers and their service personnel.It has been assumed that basic service procedures inherent to theindustry, and more specifically YAMAHA Products, are alreadyknown

3、 and understood by the users, and have therefore not beenrestated.WARNING:Failure to follow appropriate service and safetyprocedures when servicing this product may resultin personal injury, destruction of expensivecomponents, and failure of the product to performas specified. For these reasons, we

4、advise allYAMAHA product owners that any servicerequired should be performed by an authorizedYAMAHA Retailer or the appointed servicerepresentative.IMPORTANT:The presentation or sale of this manual to anyindividual or firm does not constitute authorization,certification or recognition of any applica

5、bletechnical capabilities, or establish a principle-agentrelationship of any form.The data provided is believed to be accurate and applicable to theunit(s) indicated on the cover. The research, engineering, and servicedepartments of YAMAHA are continually striving to improveYAMAHA products. Modifica

6、tions are, therefore, inevitable andspecifications are subject to change without notice or obligation toretrofit. Should any discrepancy appear to exist, please contact thedistributors Service Division.WARNING:Static discharges can destroy expensivecomponents. Discharge any static electricity yourbo

7、dy may have accumulated by grounding yourselfto the ground buss in the unit (heavy gauge blackwires connect to this buss).IMPORTANT:Turn the unit OFF during disassembly and partreplacement. Recheck all work before you applypower to the unit.RadioFans.CN 收音机爱 好者资料库YST-SW45235(9-5/16)260(10-1/4)365(14

8、-7/20)318(12-1/2)40(1-9/16)18(11/16)WALLOUTLETEQUIPMENTUNDER TESTAC LEAKAGETESTER OREQUIVALENTINSULATINGTABLE1 TO SERVICE PERSONNELCritical Components Information.Components having special characteristics are markedand must be replaced with parts having specificationsequal to those originally instal

9、led.WARNING: CHEMICAL CONTENT NOTICE!The solder used in the production of this product contains 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 entiti

10、es) 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 REA-SON WHATSOEVER!Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or exposeeyes to

11、 solder/flux vapor!If you come in contact with solder or components located inside the enclosure of this product, wash your hands beforehandling food. SPECIFICATIONSType. Active Servo Processing Subwoofer SystemSpeaker Unit. 20 cm (8) cone woofer (JA2162)magnetic shielding type x 1Amplifier Output .

12、 70 W/5 ohmsHigh-Cut Filter. 50 Hz150Hz (-24 dB/oct.)Frequency Response . 30 Hz200Hz (10 dB)Power SupplyU.S.A. and Canada models . AC120V, 60HzAustralia model . AC240V, 50HzU.K. and Europe models . AC230V, 50HzGeneral and China models. AC110/120/220/240V, 50/60Hz(Adjustable with Voltage Selector)Pow

13、er Consumption. 55 WDimensions (W x H x D) . 235 x 365 x 318 mm. (9-5/16 x 14-7/20 x 12-1/2)Weight . 9 kg (19 lbs. 13 oz.)Supplied Accessory . Rubber Pads* Specifications subject to change without notice. DIMENSIONSUnit: mm (inch)RadioFans.CN 收音机爱 好者资料库YST-SW45POWERONOFFRLLRRLOUTPUTINPUT2AUTOSTANDBY

14、INPUT1TO SPEAKERSFROM AMPLIFIERLOW OFF HIGH MODEL110/120/220/240 VOLTS55 WATTSVOLTAGESELECTOR SER.NO.YST SW45NO.50/60 HzMADE IN MALAYSIARLLRRLOUTPUTINPUT2AUTOSTANDBYINPUT1POWERONOFFTO SPEAKERSFROM AMPLIFIERLOW OFF HIGH MODEL240 VOLTS55 WATTSMADE IN MALAYSIASER. NO.YST SW45NO.N8950 HzPOWERONOFFRLLRRL

15、OUTPUTINPUT2AUTOSTANDBYINPUT1TO SPEAKERSFROM AMPLIFIERLOW OFF HIGH MODEL110/120/220/240 VOLTS55 WATTSVOLTAGESELECTOR SER.NO.YST SW45NO.50/60 HzMADE IN MALAYSIAPOWERONOFFMODEL120 VOLTSMADE IN MALAYSIASER. NO.80 WATTS60HzYST SW45NO.ATTENTION:RISQUE DE CHOC ELECTRIQUENE PAS OUVRIR.WARNING:TO REDUCE THE

16、 RISK OF FIREOR ELECTRIC SHOCK,DO NOT EXPOSETHIS APPLIANCE TO RAIN OR MOISTURE.RLLRRLOUTPUTINPUT2AUTOSTANDBYINPUT1TO SPEAKERSFROM AMPLIFIERLOW OFF HIGH 12345Right side internal view2 INTERNAL VIEW1 MAIN P.C.B. (4)2 MAIN P.C.B. (3)3 MAIN P.C.B. (1)4 MAIN P.C.B. (2)5 Power Transformer REAR PANELSU, C

17、modelsR modelA modelB modelT modelPOWERONOFFMODEL230 VOLTS55 WATTSMADE IN MALAYSIASER. NO.YST SW45NO.50 HzRLLRRLOUTPUTINPUT2AUTOSTANDBYINPUT1TO SPEAKERSFROM AMPLIFIERLOW OFF HIGH YST-SW451222Fig. 2Fig. 13 DISASSEMBLY PROCEDURES (Remove parts in the order as numbered.)1. Removal of Front GrilleThe fr

18、ont grille is fixed to the cabinet with dowels at 4locations.As a screwdriver (for slotted head screw) is used forremoval, use special care not to cause damage to thecabinet.a. Apply the block to the rear panel so as to avoid damageto the Terminal of the rear panel.b. Use the screwdriver inserted in

19、 the gap between thefront grille and the cabinet (bottom side first), push upthe front grille. (Fig. 1)c. Remove the front grille by lifting it up. (Fig. 1)2. Remove of Speakera. Remove 4 screws (1) in Fig. 2, and remove thespeaker.b. Remove the cable cord.3. Removal of the Rear Panela. Remove 10 sc

20、rews (2) in Fig. 2, and remove the rearpanel.*When removing the rear panel, replacing the packing.YST-SW45LIMITERIC8REGULATORPOWERSUPPLYD1D11Q11VCCT1SW1D8D19-B+BPOWERLEDPWRSTANDBY/ONSW+15-15Q1,D2Q2,D3RY2F1PROTECTION0.1SPEAKERRY1D7L.P.F6dB/oct2IC9243IC7BIC7AL.P.F12dB/octHIGHCUTVR2867VR3VOLUMEL.P.F6dB

21、/oct765IC1BIC1A123SIGNALSENSORIC4TIMERIC5+84673AUTOPOWERSW2OFFPWRAUTO POWER ON/OFF CIRCUITQ3, 6D4,D5+-+-+LRLRLRINPUT 1OUTPUTINPUT 2Q12POWERAMP4RY2H.P.F12dB/octHLIC10+8POWER SWSW5A.N.I.CIC2,3,6Q7L.P.F6dB/oct11312643151413127R1C1TR4TR7TR8TR9TR10TR1TR2TR3TR5R7R9R10R4R5R3R2R6D1SUBR8D2VINVOUTGNDVccVo1-Vm

22、1+Vm1VEE+Vm2-Vm2Vo2Vcc1 2 3 4 5 6 7 8 9+-124 BLOCK DIAGRAM IC BLOCK DIAGRAMPC4570HA (OP Amp.)NJM78L08A (Voltage Regulator)M51848L (CR Timer)STK4036-2 (Amp.) NJM4558L (OP Amp.)PC1237HA (Protect IC)ABCDE1234567YST-SW45From: MAIN (3)SPEAKERMAIN P.C.B. (1)From: MAIN (4)From: MAIN (2)From: MAIN (7)+5 PRI

23、NTED CIRCUIT BOARD (Foil side)ABCDE1234567YST-SW45MAIN P.C.B. (3)From: MAIN (2)AUTOSTANDBYINPUT2OUTPUT / INPUTTo: MAIN (1)MAIN P.C.B. (2)To: MAIN (1)To: MAIN (6)From: MAIN (5)To: MAIN (3)To: VOLTAGE SELECTOR(GENERAL model)6 PRINTED CIRCUIT BOARD (Foil side)ABCDE1234567YST-SW45MAIN P.C.B. (6)To: MAIN

24、 (1)From: MAIN (2)From: VOLTAGE SELECTOR(GENERAL model)POWER TRANSFORMERMAIN P.C.B. (7)MAIN P.C.B. (5)To: MAIN (2)POWERMAIN P.C.B. (4)To: MAIN (1)7 PRINTED CIRCUIT BOARD (Foil side)A123456789BCDEFGHIJKLYST-SW45BCEBCEPIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS.2SD19132SB12742SK3042SC4688D3S

25、BA20S1NB202SC18152SA10152SC2240ECB+1SS133MTZ15CMTZJ24BMTZJ12CPC4570HAAnodeCathode19M51848LNJM78L08ASTK4036-218NJM4558L18OUTCOMIN115SGD00000014.414.2000000000000014.4-14.2-0.4-0.4035.91.2036.7-36.8-1.3-1.3-35.7-34.514.4000000000000000-14.2-1.814.4-14.200000000002.06.16.600.82.23.114.40.20.2-14.20.825

26、.432.514.414.90-14.7-14.2-32.76.66.036.7-36.8AC57.4AC12.2012.712.71.91.90.70012.77.900003.97.96.76.63.91.47.301.46.67.95.37.97.3000-13.900014.201.8H?All voltage are measured with a 10MW /V DC electric volt meter.H?Components having special characteristics are marked s and must be replaced with parts

27、 having specifications equal to those originally installed.H?Schematic diagram is subject to change without notice.8SCHEMATIC DIAGRAMYST-SW459 WARNINGComponents having special characteristics are marked s and must bereplaced with parts having specifications equal to those originally in-stalled.Carbo

28、n resistors (1/6W or 1/4W) are not included in the ELECTRICALPARTS List. For the parts No. of the carbon resistors, refer to last page.ABBREVIATIONS IN THIS LIST ARE AS FOLLOWS:C.A.EL.CHP: CHIP ALUMI.ELECTROLYTIC CAPC.CE: CERAMIC CAPC.CE.ARRAY: CERAMIC CAP ARRAYC.CE.CHP: CHIP CERAMIC CAPC.CE.ML: MUL

29、TILAYER CERAMIC CAPC.CE.M.CHP: CHIP MULTILAYER CERAMIC CAPC.CE.SAFTY: RECOGNIZED CERAMIC CAPC.CE.TUBLR: CERAMIC TUBULAR CAPC.CE.SMI: SEMI CONDUCTIVE CERAMIC CAPC.EL: ELECTROLYTIC CAPC.MICA: MICA CAPC.ML.FLM: MULTILAYER FILM CAPC.MP: METALLIZED PAPER CAPC.MYLAR: MYLAR FILM CAPC.MYLAR.ML: MULTILAYER M

30、YLAR FILM CAPC.PAPER: PAPER CAPACITORC.PLS: POLYSTYRENE FILM CAPC.POL: POLYESTER FILM CAPC.POLY: POLYETHYLENE FILM CAPC.PP: POLYPROPYLENE FILM CAPC.TNTL: TANTALUM CAPC.TNTL.CHP: CHIP TANTALUM CAPC.TRIM: TRIMMER CAPCN: CONNECTORCN.BS.PIN: CONNECTOR,BASE PINCN.CANNON: CONNECTOR,CANNONCN.DIN: CONNECTOR

31、,DINCN.FLAT: CONNECTOR,FLAT CABLECN.POST: CONNECTOR,BASE POSTCOIL.MX.AM: COIL,AM MIXCOIL.AT.FM: COIL,FM ANTENNACOIL.DT.FM: COIL,FM DETECTCOIL.MX.FM: COIL,FM MIXCOIL,OUTPT: OUTPUT COILDIOD.ARRAY : DIODE ARRAYDIODE.BRG: DIODE BRIDGEDIODE.CHP: CHIP DIODEDIODE.VAR: VARACTOR DIODEDIOD.Z.CHP: CHIP ZENER D

32、IODEDIODE.ZENR : ZENER DIODEDSCR.CE: CERAMIC DISCRIMINATORFER.BEAD: FERRITE BEADSFER.CORE: FERRITE COREFET.CHP: CHIP FETFL.DSPLY: FLUORESCENT DISPLAYFLTR.CE: CERAMIC FILTERFLTR.COMB: COMB FILTER MODULEFLTR.LC.RF: LC FILTER,EMIGND.MTL: GROUND PLATEGND.TERM: GROUND TERMINALHOLDER.FUS : FUSE HOLDERIC.P

33、RTCT: IC PROTECTORJUMPER.CN: JUMPER CONNECTORJUMPER.TST : JUMPER,TEST POINTL.DTCT: LIGHT DETECTING MODULEL.EMIT: LIGHT EMITTING MODULELED.DSPLY: LED DISPLAYLED.INFRD: LED,INFRAREDMODUL.RF: MODULATOR,RFPHOT.CPL: PHOTO COUPLERPHOT.INTR: PHOTO INTERRUPTERPHOT.RFLCT : PHOTO REFLECTORPIN.TEST: PIN,TEST P

34、OINTPLST.RIVET: PLASTIC RIVETR.ARRAY: RESISTOR ARRAYR.CAR.: CARBON RESISTORR.CAR.CHP: CHIPRESISTORR.CAR.FP: FLAME PROOF CARBON RESISTORR.FUS: FUSABLE RESISTORR.MTL.CHP: CHIP METAL FILM RESISTORR.MTL.FLM: METAL FILM RESISTORR.MTL.OXD: METAL OXIDE FILM RESISTORR.MTL.PLAT: METAL PLATE RESISTORRSNR.CE:

35、CERAMIC RESONATORRSNR.CRYS: CRYSTAL RESONATORR.TW.CEM: TWIN CEMENT FIXED RESISTORR.WW: WIRE WOUND RESISTORSCR.BND.HD : BIND HEAD B-TITE SCREWSCR.BW.HD: BW HEAD TAPPING SCREWSCR.CUP: CUP TITE SCREWSCR.TERM: SCREW TERMINALSCR.TR: SCREW,TRANSISTORSUPRT.PCB: SUPPORT,P.C.B.SURG.PRTCT : SURGE PROTECTORSW.

36、TACT: TACT SWITCHSW.LEAF: LEAF SWITCHSW.LEVER: LEVER SWITCHSW.MICRO: MICRO SWITCHSW.PUSH: PUSH SWITCHSW.RT.ENC: ROTARY ENCODERSW.RT.MTR: ROTARY SWITCH WITH MOTORSW.RT: ROTARY SWITCHSW.SLIDE: SLIDE SWITCHTERM.SP: SPEAKERTERMINALTERM.WRAP : WRAPPING TERMINALTHRMST.CHP : CHIP THERMISTORTR.CHP: CHIP TRA

37、NSISTORTR.DGT: DIGITAL TRANSISTORTR.DGT.CHP : CHIP DIGITAL TRANSISTORTRANS: TRANSFORMERTRANS.PULS : PULSE TRANSFORMERTRANS.PWR: POWERTRANSFORMER ASSYTUNER.AM: TUNER PACK,AMTUNER.FM: TUNER PACK,FMTUNER.PK: FRONT-ENDTUNER PACKVR: ROTARY POTENTIOMETERVR.MTR: POTENTIOMETER WITH MOTORVR.SW: POTENTIOMETER

38、 WITH ROTARY SWVR.SLIDE: SLIDEPOTENTIOMETERVR.TRIM: TRIMMER POTENTIOMETERNote) Those parts marked with “#” are not included in the P.C.B. assy.PARTS LIST ELECTRICAL PARTSYST-SW4510*V3359100P.C.B.MAIN(UC)*V3359200P.C.B.MAIN(RT)*V3359300P.C.B.MAIN(A)*V3359400P.C.B.MAIN(BG)CB1LB932020CN.BS.PIN2PCB2VD00

39、4800CN.BS.PIN5PCB3VD005100CN.BS.PIN8PCB4VD004900CN.BS.PIN6PCB5VT658200HOLDER.FUSPC-FH1(RT)CB6VT658200HOLDER.FUSPC-FH1(RT)CB7VT658200HOLDER.FUSPC-FH1CB8VT658200HOLDER.FUSPC-FH1CB9VD004700CN.BS.PIN4PCB11 VD005100CN.BS.PIN8PC1UA654470C.MYLAR0.047uF 50VC2FG212220C.CE220pF 50V*C3VT723100C.EL10uF 35VC4FG2

40、12220C.CE220pF 50VC5UA654220C.MYLAR0.022uF 50VC6VJ836900C.EL10uF 16VC7VJ837200C.EL47uF 16V*C8VT723100C.EL10uF 35VC9VT857900C.POL0.1uF 250VC10VT857900C.POL0.1uF 250VC11V37573006800 50.0V C12V37573006800 50.0V C13Ui367220C.EL22uF 50VC14Ui367220C.EL22uF 50VC16Ui367220C.EL22uF 50VC17Ui367220C.EL22uF 50V

41、C18UA655470C.MYLAR0.47uF 50VC19VJ837200C.EL47uF 16VC20VJ837200C.EL47uF 16VC21VF760000C.EL100uF 10VC22VF964800C.EL100uF 16VC23UA655470C.MYLAR0.47uF 50VC24VE117600C.EL220uF 10VC25FG214100C.CE0.01uF 50VC26UA653390C.MYLAR3900pF 50VC27UA654100C.MYLAR0.01uF 50VC28UA654100C.MYLAR0.01uF 50VC29UJ668100C.EL10

42、0uF 50VC30UJ668100C.EL100uF 50VC31UJ667470C.EL47uF 50VC32FG212470C.CE470pF 50VC33UA655100C.MYLAR0.1uF 50VC34FG213100C.CE1000pF 50VC35FG212470C.CE470pF 50VC36VJ839100C.EL1uF 50VC37UJ667470C.EL47uF 50VC38UA655100C.MYLAR0.1uF 50VC39VJ836900C.EL10uF 16VC40VF606700C.EL1000uF 25V(UCABG)C40VH620500 C.EL10u

43、F 25V(RT)C41VJ836900 C.EL10uF 16VC42FG214100 C.CE0.01uF 50VC43FG213100 C.CE1000pF 50VC44VJ839100 C.EL1uF 50VC45UA654680 C.MYLAR0.068uF 50VC46UJ638330 C.EL330uF 16VC47UJ648220 C.EL220uF 25VC48UH178100 C.EL100uF 63V(RT)sC49VS741700 C.CE.SAFTY0.01uF 275VC50FG214100 C.CE0.01uF 50VC51UA654470 C.MYLAR0.04

44、7uF 50VC52VJ836900 C.EL10uF 16VC53VJ836900 C.EL10uF 16VC54FG212220 C.CE220pF 50VC55FG212100 C.CE100pF 50VC56VJ836900 C.EL10uF 16VC57FG413220 C.CE2200pF 50VC61UA655680 C.MYLAR0.68uF 50VC62UA655180 C.MYLAR0.18uF 50VC63UA655150 C.MYLAR0.15uF 50VC64UA655150 C.MYLAR0.15uF 50VC65UM417100 C.EL10uF 50VC66UM

45、417100 C.EL10uF 50VsD1VN011300 DIODE.BRGD3SBA20 4A 200VD2VG440900 DIODE.ZENRMTZJ15C 15VD3VG440900 DIODE.ZENRMTZJ15C 15VD4iF004600 DIODE1SS133D5iF004600 DIODE1SS133D6VG442500 DIODE.ZENRMTZJ24B 24VD7iF004600 DIODE1SS133D8iF004600 DIODE1SS133D9iF004600 DIODE1SS133D10iF004600 DIODE1SS133D11VR253700 DIOD

46、E.BRGS1NB20 1.0A 200VD12iF004600 DIODE1SS133D13iF004600 DIODE1SS133D16VG440300 DIODE.ZENRMTZJ12C 12V(RT)D19VU767600 LED(re)SLP-117B-51sF1KB002600 FUSET630mA 250V(ABG)sF1VT951300 FUSE2A 250V(UCRT)sF2KB002600 FUSET630mA 250V(RT)IC1XM922A00 ICNJM4558LIC2XB247301 ICuPC4570HAIC3XB247301 ICuPC4570HAIC4XB2

47、47301 ICuPC4570HAIC5XP741A00 ICM51848LIC6XB247301 ICuPC4570HAIC7XB247301 ICuPC4570HAIC8XF663A00 ICuPC1237HA*IC9XV796A00 ICSTK4036-2 50W 1CHIC10 iG160100 ICNJM78L08A 8VPJ1VT666100 JACK.PIN2PSchmRef.PART NO.Description6 New Parts6 New PartsSchmRef.PART NO.DescriptionYST-SW4511SchmRef.PART NO.Descripti

48、on6 New Parts6 New PartsSchmRef.PART NO.DescriptionQ1VC407900 TR2SD1913 R,SQ2VC614000 TR2SB1274 Q,R,SQ3iC1815M0 TR2SC1815 Y,GRQ4iC1815M0 TR2SC1815 Y,GRQ5iA101590 TR2SA1015 O,YQ6iA101590 TR2SA1015 O,YQ7V3028000 FET2SK304 EQ11iC224030 TR2SC2240 GR,BLQ12iC224030 TR2SC2240 GR,BLQ13iC224030 TR2SC2240 GR,

49、BL(RT)Q14VK801200 TR2SC4688 R,O(RT)R3HV456220 R.CAR.FP2.2K 1/4WR4HV456220 R.CAR.FP2.2K 1/4WR12HV456470 R.CAR.FP4.7K 1/4WR15HV456470 R.CAR.FP4.7K 1/4WR22HV455150 R.CAR.FP150 1/4WR26HV455150 R.CAR.FP150 1/4WR29HL325470 R.MTL.OXD470 2WR33HV455100 R.CAR.FP100 1/4WR39HU576330 R.MTL.FLM3.3K 1/4WR40HV45610

50、0 R.CAR.FP1K 1/4WR41HV456100 R.CAR.FP1K 1/4WR47HU578100 R.MTL.FLM100K 1/4WR62HV453220 R.CAR.FP2.2 1/4W(UCABG)R66HU597100 R.MTL.FLM10K 1/4WR67HU597100 R.MTL.FLM10K 1/4WR68HU597100 R.MTL.FLM10K 1/4WR69HU597100 R.MTL.FLM10K 1/4WR80HU597100 R.MTL.FLM10K 1/4WR81HV455100 R.CAR.FP100 1/4WR82HV454100 R.CAR.