Yamaha-YSTSW005-sub-sm(1) 维修电路原理图.pdf

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1、YST-SW005YST-SW005SERVICE MANUALSUBWOOFER SYSTEMYST-SW005100799I CONTENTSTO SERVICE PERSONNEL . 1SPECIFICATIONS / 参考仕様. 1INTERNAL VIEW / 各部名称 . 2BLOCK DIAGRAM / . 2REAR PANELS / . 3DISASSEMBLY PROCEDURES / 分解手順 . 4CONFIRMATION OF AUTO STANDBYOPERATION / AUTO STANDBY動作確認. 5PRINTED CIRCUIT BOARD / 図 .

2、 67SCHEMATIC DIAGRAM / 総回路図 . 8PARTS LIST / 部品表. 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 the industry,and more specifically YAMAHA Products, are already known

3、andunderstood by the users, and have therefore not been restated.WARNING:Failure to follow appropriate service and safetyprocedures when servicing this product may result inpersonal injury, destruction of expensive components,and failure of the product to perform as specified. Forthese reasons, we a

4、dvise all YAMAHA product ownersthat any service required should be performed by anauthorized YAMAHA Retailer or the appointed servicerepresentative.IMPORTANT:The presentation or sale of this manual to any individualor firm does not constitute authorization, certification orrecognition of any applica

5、ble technical capabilities, orestablish 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 departmentsof YAMAHA are continually striving to improve YAMAHA products.Modific

6、ations are, therefore, inevitable and specifications are subject tochange without notice or obligation to retrofit. Should any discrepancyappear to exist, please contact the distributors Service Division.WARNING:Static discharges can destroy expensive components.Discharge any static electricity your

7、 body may haveaccumulated by grounding yourself to the ground buss inthe unit (heavy gauge black wires connect to this buss).IMPORTANT:Turn the unit OFF during disassembly and partreplacement. Recheck all work before you apply powerto the unit.P.O.Box 1, Hamamatsu, JapanRadioFans.CN 收音机爱 好者资料库YST-SW

8、005YST-SW0051WALLOUTLETEQUIPMENTUNDER TESTAC LEAKAGETESTER OREQUIVALENTINSULATINGTABLEWARNING: 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 che

9、micals 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, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REA-SON WHATSOEVER!Avoid prolonged, unprotected contact between

10、 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 enclosure of this product, wash your hands beforehandling food.I TO SERVICE PERSONNEL1. Critical Components InformationComponents h

11、aving special characteristics are marked sand must be replaced with parts having specifications equalto those originally installed.2. Leakage Current Measurement (For 120V Models Only)When service has been completed, it is imperative to verifythat all exposed conductive surfaces are properly insulat

12、edfrom 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 plug in both polarities.I SPECIFICATIONS / 参考仕様Type. Advanced Yamaha Active Servo Technology型式 . Output Power / 出力J, U, C models .5

13、5 W/100 Hz, 5 10% T.H.D.R, T, K, A, B models.50 W/100 Hz, 5 10% T.H.D.Input Sensitivity / 入力感度 (100 Hz, 50 W/5, L+R)INPUT 1 (SP) . 0.7 VINPUT 2 (PJ). 30 mVInput Impedance / 入力INPUT 1 (SP) .2.2 kINPUT 2 (PJ).12 kFrequency Response / 再生周波数帯域30 Hz200HzDriver / .16 cm (6.5) conemagnetic shielding typeIn

14、put Section / 入力部INPUT 1.Speaker terminalINPUT 2. RCA pin jackPower Supply / 電源J model. AC100V, 50/60HzU, C models . AC120V, 60HzR, T, K models . AC110/120/220/240V, 50/60HzA model . AC240V, 50HzB, G models . AC230V, 50HzPower Consumption / 消費電力U, C, R, T, K, A, B, G models. 60 WJ model. 32 WStandby

15、 Power Consumption / 待機消費電力 . 0.8 WDimensions / 寸法 (W x H x D) . 200 x 365 x 375 mm(7-7/8 x 14-3/8 x 14-3/4)Weight / 重量 . 8.5 kg (18 lbs. 12 oz.)Finish / 仕上Black color / Cherry color .All modelsSilver color. U, C modelsAccessory / 付属品U, C, R, T, K, A, B, G models. Nonskid Pad x 4J model. （4m） 2、用 （3

16、m） 1、 滑止 4U . U.S.A. modelC . Canadian modelA . Australian modelB . British modelG. European modelR . General modelT . Chinese modelK . Korean modelJ. Japanese model Specifications are subject to change without notice dueto product improvements. 仕様外観、 改良予告 変更 。RadioFans.CN 收音机爱 好者资料库YST-SW005YST-SW0

17、051 2345687LIMITERIC3REGULATORPOWER SUPPLYD1SUBPOWER SUPPLYD11Q11T1T2D15D17Q15D9+15+B-15-BQ9Q10RY2F1PROTECTION0.1SPEAKERRY1D62IC2132IC7BIC7AL.P.F12dB/oct756VR1VOLUMEL.P.F6dB/oct765IC1BIC1A123MUSICSENSORIC4TIMERIC5+84673AUTOSTANDBYSW2OFFAUTO POWER ON/OFF CIRCUITQ5, 6, 7, 8D4,D5,D22,D23+-+-+-+-+-+-+LR

18、LRLRINPUT 1OUTPUTINPUT 2Q12R60C46POWERAMP4H.P.F12dB/octHLIC9REGULATORQ13, 14D16R, T ONLYREGULATORPOWERSW3A.N.I.CIC10, Q16L.P.F6dB/oct110SW1HIGHLOW200 (7-7/8)Unit : mm (inch)365 (14-3/8)375 (14-3/4)335 (13-3/16)8 (5/16)32(1-1/4)I INTERNAL VIEW / 各部名称21 MAIN P. C. B. (3)2 MAIN P. C. B. (2)3 MAIN P. C.

19、 B. (1)4 MAIN P. C. B. (6) DIMENSIONS / 寸法図5 MAIN P. C. B. (4)6 MAIN P. C. B. (5)7 Power Transformer8 DriverI BLOCK DIAGRAM / YST-SW005YST-SW005010HIGH CUTINPUT2INPUT1FROM AMPLIFIEROUTPUTONMODEL NO. YST-SW005MADE IN CHINASER. NO.230 VOLTS 60 WATTS50HzOFFTO SPEAKERS/MONOAUTOSTANDBYVOLUMEHIGHLOWHIGHLO

20、WOFFRLRL+RL+POWER010HIGH CUTINPUT2INPUT1FROM AMPLIFIEROUTPUTONMODEL NO. YST-SW005MADE IN CHINASER. NO.240 VOLTS 60 WATTS50HzOFFTO SPEAKERS/MONOAUTOSTANDBYVOLUMEHIGHLOWHIGHLOWOFFRLRL+RL+POWERN89010HIGH CUTINPUT2INPUT1FROM AMPLIFIEROUTPUTVOLTAGESELECTOR220V-240V110V-120VONMODEL NO. YST-SW005SER. NO.11

21、0 - 120/220 - 240 VOLTS 60 WATTS 50/60HzOFFTO SPEAKERS/MONOAUTOSTANDBYVOLUMEHIGHLOWHIGHLOWOFFRLRL+RL+POWERR model010HIGH CUTINPUT2INPUT1FROM AMPLIFIEROUTPUTONMODEL NO. YST-SW005MADE IN CHINASER. NO.120 VOLTS 60 WATTS60HzOFFTO SPEAKERS/MONOAUTOSTANDBYVOLUMEHIGHLOWHIGHLOWOFFRLRL+RL+POWERATTENTION:RISQ

22、UE DE CHOC ELECTRIQUENE PAS OUVRIR.WARNING:TO REDUCE THE RISK OF FIREOR ELECTRIC SHOCK. DO NOT EXPOSETHIS APPLIANCE TO RAIN OR MOISTURE.CUS010入力 2入力 1（）出力入MODEL NO. YST-SW005MADE IN CHINASER. NO.100 V 32 W 50/60Hz切（）左/右右左右左感度高低高低切RLRL+主電源PSE3I REAR PANELS / U, C modelsB, G modelsR, T, K modelsA mode

23、lJ modelYST-SW005YST-SW0053CB5Fig. 312222111Fig. 2Fig. 14I DISASSEMBLY PROCEDURES / 分解手順 (Remove parts in the order as numbered.)G For exchanging the driver unit1. Removal of Front GrilleThe front grille is fixed to the cabinet with dowels at 6locations.As a screwdriver (for slotted head screw) is u

24、sed 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 the gap between thefront grille and the cabinet (bottom side first), push upthe front grille. (Fig. 1)c. R

25、emove the front grille by lifting it up. (Fig. 1)2. Removal of Driver unit and Replacement of LEDa. Remove 4 screws (1) in Fig. 2, and remove the Driverunit.b. Disconnect the cord connected to the Driver unit.c. Remove 4 screws (2) and pull out the port sectionforward. LED can then be replaced.交換1.

26、外方 本体6箇所固定。取 外際、 本体傷付 十分注意 。a. 接続端子保護 枕木本体。b. 下側 間2箇所 。 間 差込押上。（Fig. 1）c. 上側 押上、 外。（Fig. 1）2. 外方、 LED交換a. 4本外、 外。（Fig. 2）b. 接続 。c. 4本外、 部分手前引出LED交換 。G For repairing P.C.B.1. Removal of Rear PanelRemove 14 screws (2) in Fig. 3, and remove the rearpanel. At this time, disconnect the connector CB5 ofMA

27、IN P.C.B. (1).*When reassembling the rear panel which has beenremoved from the rear panel, be sure to replace thepacking to prevent the air leakage.2. P.C.B. Operation CheckConnect the connector CB5 of MAIN P.C.B. (1).P.C.B.修理1. 外方14本外、 外。（Fig. 3） MAIN P.C.B. （1） CB5。 外 場合、 漏防組立時交換 。2. P.C.B.動作 MAIN

28、 P.C.B. （1） CB5接続。YST-SW005YST-SW005Apply rapid cures bondFig. 4速乾塗布5I CONFIRMATION OF AUTOSTANDBY OPERATIONSetting1) Turn off the power switch.2) In order to shorten the time required for operationcheck; connect a 10k resistor at both ends of R60 onthe MAIN P.C.B. (1).3) Connect the output signal f

29、rom the signal generator tothe INPUT 2 of the unit.4) Set the signal generator for the sine wave of 100Hz,8mV.5) Turn on the power switch.Confirmation1) Set the AUTO STANDBY switch to the LOW position.AUTOSTANDBYHIGHLOWOFF2) Turn on the POWER switch.The display LED lights up (green) and its color ch

30、angesto red after 5 to 10 seconds.3) Turn off the POWER switch.The display LED goes off.4) Set the AUTO STANDBY switch to the HIGH position.AUTOSTANDBYHIGHLOWOFF5) Turn on the POWER switch.The display LED lights up (green) and its color remainsunchanged even after time have elapsed.6) Turn off the P

31、OWER switch.The display LED goes off.After confirmation1) Turn off the power switch.2) Disconnect the 10k resistor connected to both ends ofR60. AUTO STANDBY動作確認設定1） 主電源OFF。2） 動作確認時間短縮、 MAIN P.C.B. （1） R60両端10k抵抗取 付。3） 信号発生器出力信号本機入力2端子接続。4） 信号発生器正弦波、 100Hz、 8mV設定。5） 主電源ON。確認1） 感度 低 合。感度高低切2） 主電源 入。表

32、示LED点灯 （緑色） 。 510秒後、 表示LED赤色変 。3） 主電源 切。表示LED消灯。4） 感度 高 合。感度高低切5） 主電源 入。表示LED点灯 （緑色） 。 時間経過表示LED色変化。6） 主電源 切。表示LED消灯。確認終了後1） 主電源OFF。2） R60両端取 付抵抗外。G Precaution for installation of power cordAfter connecting the power cord, be sure to apply therapid cures bond (such as 5 minutes epoxy) at the cordsto

33、pper to prevent the air leakage as shown in Fig. 4.電源 取付時注意電源 接続後、 漏防 速乾 （5分硬化） 塗布 。（Fig. 4）Glue ListPlaceNameCord stopper5 minutes epoxy or 2051 (RevertexFinewaters SDN.BHD.) or VYLOK 917DH(National Starch & Chemical (M) SDM.BHD.)YST-SW005ABCDE1234567YST-SW005220V-240V110V-120VVOLTAGESELECTORRef. N

34、o.LocationQ5C6Q6C6Q7C6Q8C6Q9C4Q10C5Q11B2Q12B5Q13B3Q14B3Q15B4Q16B7D1D4D2C4D3C5D4C6D5C6D6C6D7C7D8C7D9B5D10B2D15B4D16B4D19B7D20B7D21B6D22C6D23C6IC2D6IC3C7IC4B6IC5B5IC9B4IC10B7 Semiconductor LocationR, T, K modelsWHBEYEREWHRETo MAIN (4)To MAIN (5)To MAIN (6)From MAIN (2)From MAIN (2)MAIN P. C. B. (1)SPE

35、AKERE+V2+V1ESWLSWH2SWH1S0MAIN+15-15From MAIN (5)SUBOER601kAUTO STANDBY OPERATION6I PRINTED CIRCUIT BOARD (Component side) / 図（部品面）YST-SW005ABCDE1234567LOWHIGHOFF LOW HIGHHIGH CUTVOLUMEPOWERINPUT1FROM AMPLIFIERAUTOSTANDBYINPUT2OUTPUTTO SPEAKERSRef. No.LocationD11D6D17C2IC1B4IC7D3 Semiconductor Locati

36、onFrom MAIN (1)From MAIN (1)From MAIN (1)To MAIN (1)To MAIN (1)MAIN P. C. B. (6)MAIN P. C. B. (3)MAIN P. C. B. (4)MAIN P. C. B. (5)MAIN P. C. B. (2)E+V2+V1-15+15MAINS0SWH1SWH2SWLEWHBESUBOEREYE7I PRINTED CIRCUIT BOARD (Component side) / 図（部品面）A123456789BCDEFGHIJKLYST-SW005# All voltage are measured w

37、ith a 10M/V DC electric volt meter.# Components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally installed.# Schematic diagram is subject to change without notice. 電圧、内部抵抗10M電圧計測定。 s印部品、安全性確保部品示。部品交換必要場合、記載部品使用。 本回路図標準回路図。改良予

38、告変更。8SCHEMATIC DIAGRAMIC9 : NJM78L08AVVoltage RegulatorIC5 : KIA555PProtectIC3 : PC1237HAProtectIC2 : STK404-050AFAF Power Amp.IC1, 4, 7, 10 : NJM4558DOP Amp.BCEBCEPIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS.2SD25312SB16422SK3042SC4688RBV-402S1NB202SC18152SA10152SC2240ECB+1N4148MTZ15CMTZJ2

39、4BMTZJ12CAnodeCathodePC1237HANJM4558DKIA555PNJM78L08ASTK404-050AF18OUTCOMINSGD110VINVOUTGNDGND64123TRIGGEROUTRESETREFERENCEVOLTAGETHRESHOLDDISCHARGEVCC78+FLIP-FLOP+5RRR12543786OverloaddetectMid-pointpotentialdetectFlip flopcircuitVcc onmuteAC OFFdetectLatch / automaticreturn selectRelaydrivecircuitG

40、NDVcc12345678910R1R4R5C1C2D1TR3TR5R3R6TR4SUBR2TR1TR2TR6TR7TR8+ +OUT1IN1+IN1Vcc+VccOUT2IN2+IN21234876514800000014.3-14.30000000000000.50.800000000000013.2-13.20013.2-13.2-1.5000.10.10-32.514.31.2-1.2-33.233.20002.900.82.23.53.96.67.95.37.900.10.6033.2AC25.214.8-14.8-33.213.413.413.47.97.97.93.93.93.9

41、3.93.93.913.40014.314.3-14.3-14.3AC12.2AC25.2R, T, K modelsPOWER SUPPLYAUTO POWER ON/OFF CIRCUITPROTECTIONJ, U, C, A, B, G modelsWHREBEBEYEYEYEREREWHMAIN (2)MAIN (1)MAIN (3)MAIN (4)MAIN (5)MAIN (6)LIMITTERPOWER AMP.YST-SW005YST-SW0059I WARNINGGComponents having special characteristics are marked s a

42、nd must be replaced with parts having specifications equal tothose originally installed.GCarbon resistors (1/6W or 1/4W) are not included in the ELECTRICAL PARTS List. For the parts No. of the carbonresistors, refer to last page.s印部分、 安全確保部品示 。 部品交換必要場合、 記載部品使用 。本機使用 抵抗1/6W1/4W。 、 記載 、 部品番号HF45 同等品使

43、用 。部品価格、 予告 変更 。ABBREVIATIONS IN THIS LIST ARE AS FOLLOWS:Note) Those parts marked with “#” are not included in the P.C.B. assy.PARTS LIST / 部品表I ELECTRICAL PARTS / 電気部品C.A.EL.CHP: CHIP ALUMI.ELECTROLYTIC CAPC.CE: CERAMIC CAPC.CE.ARRAY : CERAMIC CAP ARRAYC.CE.CHP: CHIP CERAMIC CAPC.CE.ML: MULTILAYER

44、 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 MYLAR F

45、ILM 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,DINCN

46、.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 DIODEDI

47、ODE.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.PRTCT:

48、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 POINTPL

49、ST.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: CERAMI

50、C 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.TACT: