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    Yamaha-YSTSW015-sub-sm(1) 维修电路原理图.pdf

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    Yamaha-YSTSW015-sub-sm(1) 维修电路原理图.pdf

    YST-SW015IMPORTANT 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 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 advise 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 applicable 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.Modifications 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 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.I CONTENTSTO SERVICE PERSONNEL . 2SPECIFICATIONS / 参考仕様 . 2INTERNAL VIEW . 3REAR PANELS . 34DISASSEMBLY PROCEDURES / 分解手順 . 56CONFIRMATION OF AUTO STANDBY OPERATION /AUTO STANDBY動作確認 . 7BLOCK DIAGRAM. 8PRINTED CIRCUIT BOARD . 910SCHEMATIC DIAGRAM . 11PARTS LIST. 1319Parts List for Carbon Resistors . 20100835P.O.Box 1, Hamamatsu, JapanSERVICE MANUALSUBWOOFER SYSTEMYST-SW015RadioFans.CN 收音机爱 好者资料库YST-SW0152YST-SW015WALLOUTLETEQUIPMENTUNDER TESTAC LEAKAGETESTER OREQUIVALENTINSULATINGTABLEI 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 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.I SPECIFICATIONS / 参考仕様Type / 型式 . Advanced Yamaha Active Servo TechnologyOutput Power / 出力. 70 W (100 Hz, 5 , 10% T.H.D.)Input Sensitivity / 入力感度INPUT (PJ) .30 mV (100 Hz, 70 W / 5 , L + R)Input Impedance / 入力INPUT (PJ) . 12 kFrequency Response / 再生周波数帯域 .30 Hz to 200 HzDriver / . 6.5 cone, Magnetic Shielding TypeInput Section / 入力部INPUT. RCA Pin JackOperation Section / 操作部Front Panel.STANDBY/ON Switch, B.A.S.S. Switch, VOLUMEControl, HIGH CUT Control, LED IndicatorRear Panel .Power Switch, Auto Standby Switch (HIGH /LOW / OFF), Phase Switch (NORM / REV),Voltage Selector (R, T, K models)Power Supply / 電源U, C models .AC 120 V, 60 HzA model .AC 240 V, 50 HzB, G models .AC 230 V, 50 HzR, T, K models . AC 110-120 / 220-240 V, 50/60 HzJ model. AC 100 V, 50/60 HzPower Consumption / 消費電力U, C, A, B, G, R, T, K models . 70 WJ model. 38 WStandby Power Consumption / 待機時消費電力 . 0.8 WDimension / 外形寸法 (W x H x D) .280 x 325 x 320 mm (11 x 12-13/16 x 12-5/8)Weight / 質量 . 9.2 kg (20 lbs. 5 oz.)FinishCherry Color. All modelsBlack Color . All modelsSilver Color. All modelsAccessories / 付属品Subwoofer Cable (3 m) x 1 pc (J model),Non-skid Pad x 4 pcs* Specifications are subject to change without notice due to productimprovements. 参考仕様外観予告変更。U . U.S.A. modelC . Canadian modelA . Australian modelB . British modelG . European modelR . General modelT . Chinese modelK . Korean modelJ. Japanese model DIMENSIONS / 寸法図“CAUTION”“F1: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 2A, 125V FUSE.”CAUTIONF1: REPLACE WITH SAME TYPE 2A, 125V FUSE.ATTENTIONF1: UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE 2A, 125V.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 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 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.GLeakage current must not exceed 0.5mA.GBe sure to test for leakage with the AC plug in both polarities.280 (11)48(1-7/8)277 (10-7/8)325 (12-13/16)320 (12-5/8)Unit : mm (inch)単位: mm()RadioFans.CN 收音机爱 好者资料库YST-SW0153YST-SW015I INTERNAL VIEW1 MAIN (8) P.C.B.2 MAIN (4) P.C.B.3 MAIN (3) P.C.B.4 MAIN (1) P.C.B.5 MAIN (9) P.C.B. (R, T, K models)6 MAIN (2) P.C.B.7 MAIN (5) P.C.B.8 MAIN (7) P.C.B. (U, C, A, B, G, J models)MAIN (10) P.C.B. (R, T, K models)9 MAIN (6) P.C.B.I REAR PANELSA modelU, C models789123465YST-SW0154YST-SW015B, G modelsT modelJ modelK modelR modelYST-SW0155YST-SW015I DISASSEMBLY PROCEDURE / 分解手順(番号順部品取外。)AC電源、電源抜。1. 外方a. 4本外、取外。 (Fig. 1)b. 4本外、取外。 (Fig. 1)c. 端子接続外。 (Fig. 1) (Remove parts in the order as numbered.)Disconnect the power cable from the AC outlet.1. Removal of Drivera. Remove 4 screws (1) and then remove the Base. (Fig.1)b. Remove 4 screws (2) and then remove the Driver.(Fig. 1)c. Disconnect the connector connected to the terminal ofthe Driver. (Fig. 1)Fig. 2Fig. 12. Assy外方a. 4本外。 (Fig. 2) 取外六角 (2.5mm) 使用。b. Assy引出、CB4外。(Fig. 2)2. Removal of Front Panel Assya. Remove 4 screws (3). (Fig. 2)*Use an Allen wrench (2.5mm) to unscrew the FrontPanel Assy.b. Pull out the front panel assy and remove CB4. (Fig. 2)ConnectorDriverBase1122CB4 Front Panel AssyAssy33YST-SW0156YST-SW015Fig. 33. Assy外方a. 8本外。 (Fig. 3) 取外矢印 () 印刷。b. Assy引出。 (Fig. 3)c. 2本外。 (Fig. 3) 取外矢印 () 印刷。d. 外。 (Fig. 3)3. Removal of Rear Panel Assya. Remove 8 screws (4). (Fig. 3)*Screws (4) are identified with arrow marks ().b. Pull out the rear panel assy. (Fig. 3)a. Remove 2 screws (5). (Fig. 3)*Screws (5) are identified with arrow marks ().b. Remove the cover. (Fig. 3)When Checking the P.C.B.:Connect all the connectors removed duringdisassembly back to the original positions.Spread cloth first and place the rear panel assyon it. (Fig. 4)P.C.B.場合 分解際外元通接続。 布敷、上Assy置。 (Fig. 4)Fig. 4Rear Panel Assy AssyPower Switch主電源Cover4554Rubber Sheet and Cloth布YST-SW0157YST-SW015 設定1) 主電源OFF。2) 動作確認時間短縮、MAIN P.C.B. (3) R60両端10k抵抗取付。3) 信号発生器出力信号本機入力端子接続。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。2) STANDBY/ONON。表示LED点灯 (緑色) 。510秒後、表示LED赤色変。3) STANDBY/ONOFF。表示LED消灯。4) 感度 高 合。5) STANDBY/ONON。表示LED点灯 (緑色) 。時間経過表示LED色変化。6) STANDBY/ONOFF。表示LED消灯。 確認終了後1) 主電源OFF。2) R60両端取付抵抗外。Setting1) Turn off the power switch located on the rear panel.2) In order to shorten the time required for operationcheck; connect a 10k resistor at both ends of R60 onthe MAIN P.C.B. (3).3) Connect the output signal from the signal generator tothe INPUT of the unit.4) Set the signal generator for the sine wave of 100Hz,8mV.5) Turn on the power switch located on the rear panel.Confirmation1) Set the AUTO STANDBY switch to the LOW position.2) Turn on the STANDBY/ON switch.The display LED lights up (green) and its color changesto red after 5 to 10 seconds.3) Turn off the STANDBY/ON switch.The display LED goes off.4) Set the AUTO STANDBY switch to the HIGH position.5) Turn on the STANDBY/ON switch.The display LED lights up (green) and its color remainsunchanged even after time have elapsed.6) Turn off the STANDBY/ON switch.The display LED goes off.After Confirmation1) Turn off the power switch located on the rear panel.2) Disconnect the 10k resistor connected to both ends ofR60.ICONFIRMATION OF AUTO STANDBY OPERATION / AUTO STANDBY動作確認YST-SW0158YST-SW015I BLOCK DIAGRAMLIMITERIC3REGULATORPOWER SUPPLYD1SUBPOWER SUPPLYD11Q11T1T2D13D12Q3D9+15+B-15-BQ9Q10RY2F1PROTECTION0.1DRIVERRY12IC8243IC7BIC7AL.P.F12dB/oct867VR1VOLUMEVR2HIGH CUT765IC1BIC1A123MUSICSENSORIC4TIMERIC5+84673AUTOSTANDBYSW2HAUTO POWER ON/OFF CIRCUITQ5, 6, 7, 8D4, 5, 22, 23+-+-+-+INPUTLRQ12R60C46POWERAMP1H.P.F12dB/octOFFLIC9REGULATORQ4, 13D14REGULATOR(R, T, K models only)POWERSW5A.N.I.CIC2, Q16L.P.F6dB/oct110L.P.F6dB/octPHASEREVERSENORMALQ14, 15ABCDEFGHIJ1234567YST-SW0159J48C65MAIN (1) P. C. B.(Lead Type Device)MAIN (2) P. C. B.(Lead Type Device)MAIN (3) P. C. B.(Lead Type Device)11918191910MAIN (4)VCCPWS-15+15ETOVL+V2BASSMAINE+15-15PWS+V1TOVLESP-SP+V1VCCEW9AW5A+V1VCC-15+15TOVL+V1PWSEMAIN(6)DriverU, C, A, B, G, J models:MAIN (7)R, T, K models:MAIN (10)Power CableMAIN(5)W8AW11AW12AINPUTAUTO STANDBYPHASEOFFLOWHIGHREVNORMCONFIRMATION OF AUTO STANDBY OPERATION R60 1MI PRINTED CIRCUIT BOARD (Foil side)Ref. No.LocationD1E3D2E4D3E4D4A3D5B3D6C2D7B3D9C4D10G4D11H4D14H4D19C3D20C3D21C3D22A3D23B3IC1C6IC2C3IC3D4IC4E6IC5E7IC8C2IC9G4Q1B3Q2B3Q4G4Q5A3Q6B3Q7A3Q8B3Q9E4Q10E4Q11G4Q12E6Q13G4Q14C4Q15C4Q16B3 Semiconductor LocationCircuit No.JU, CR, T, KAB, GC40OOXOOC53XXXXOC62, 63XXOXXCB7, 8XXOXXD14XXOXXF2XXOXXQ4, 13XXOXXR62OOXOOR73XXOXXSW6XXOXXW1316XXOXXX: NOT USEDO: USED / APPLICABLE2ABCDEFGHIJ13457YST-SW015610MAIN (4) P. C. B.(Lead Type Device)MAIN (5) P. C. B.(Lead Type Device)MAIN (8) P. C. B.(Lead Type Device)MAIN (9) P. C. B.(Lead Type Device)MAIN (6) P. C. B.U, C, A, B, G, J models(Lead Type Device)MAIN (7) P. C. B.(Lead Type Device)MAIN (10) P. C. B.(Lead Type Device)MAIN(1)MAIN(2)VOLUMEHIGH CUTB.A.S.S.STANDBY/ONPOWER ON/OFFVOLTAGESELECTORMAIN (1)VCCPWS-15+15ETOVL+V2BASSMAINLEDRELEDGLEDRELEDG91MAIN(2)PowerTransformerW11BW5BW8BW9BMAIN(2)W8BW9BW15BW13BW16BW14BW13AW14AW15AW16AW12BMAIN (6) P. C. B.R, T, K models(Lead Type Device)MAIN(1)PowerTransformerW5B110-120V220-240VONSTANDBYMUSICMOVIEI PRINTED CIRCUIT BOARD (Foil side) Semiconductor LocationCircuit No.JU, CR, T, KAB, GC40OOXOOC53XXXXOC62, 63XXOXXCB7, 8XXOXXD14XXOXXF2XXOXXQ4, 13XXOXXR62OOXOOR73XXOXXSW6XXOXXW1316XXOXXX: NOT USEDO: USED / APPLICABLERef. No.LocationD12H2D13D2IC7C2Q3D2 Semiconductor LocationABCDEFGHIJKLYST-SW01511SCHEMATIC DIAGRAM123456789L.P.F.TIMERAUTO POWER ON/OFFB.A.S.S.H.P.F.R, T, K modelsR, T, K modelsR, T, K modelsU, C, A, B, G, J modelsU, C, A, B, G, J modelsL.P.F.POWER ON/OFFSUB POWERSUPPLYPOWER SUPPLYREGULATORREGULATORREGULATORVOLTAGE SELECTORHIGH CUTSTANDBY/ONVOLUME# All voltages are measured with 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.x: NOT USEDO:USED / APPLICABLE87654321OUT1Vcc+IN2IN2OUT2+Vcc+IN1IN1IC1: NJM4558LDual OP-Amp18IC2, 4, 7: PC4570HADual OP-AmpVccVo1-Vm1+Vm1VEE+Vm2-Vm2Vo2Vcc123456789+-1219IC3 : TA7317PProtector16238749MutingcircuitConstant voltagepower supply circuitSchmidtcircuitPower supplyON/OFFdetecting circuitDischargingcircuit5SubstrateOvercurrentdetecting circuitOR circuitCurrent voltagedetecting circuitGND19Relay drivecircuitIC5: LB8555DTimer1VCC8DISCHARGE7CONTROL VOLTAGE5THRESHOLD6+TRIGGERGND2RESET4+RSQ148OUTPUT3IC8: STK404-070AF Power Amp13245678910R1R4R5C1C2D1TR3TR5R3R6TR4SUBR2TR1TR2TR6TR7TR8110VINVOUTGNDOUTCOMINIC9 NJM78L08AVoltage RegulatorPIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS.2SB16422SD25312SK3042SC46881SS133MTZJ12.0CMTZJ15.0CMTZJ24.0BS1NB202SA9702SA10152SC18152SC28782SC2240D3SBA20NJM4558LNJM78L08APC4570HATA7317PSTK404-070LB8555DAnodeCathode+ECBBCEBCESGDPROTECTIONLIMITERPOWER AMPA.N.I.CL.P.F.INPUT0004.000-14.56.88.001.401.32.42.45.48.01.46.78.006.74.0014.6000.11.900000.67.48.00-14.500014.5014.600000000000014.513.90.70000-14.625.70.63.01.301.1-0.7000-0.7038.9-39.1-1.11.21.814.6-38.600.20.2-13.901.16.16.735.814.6-36.1-15.10015.1-39.10-14.513.613.60.18.0013.706.46.500.16.738.9015.1-15.1-7.9-14.5-14.514.6000014.6-0.30-1.800-0.2-14.6000-0.20AC58.0AC12.9C650.0223.3K2P 0.22220/10100K100KQ15DTA114ESVS82250VS82250VS82240KB00071KB000712A 125V2A 125V1.6A 125VT500mAL250VKB00071T500mAL250VT500mAL250VYST-SW01513YST-SW015I WARNINGGComponents having special characteristics are marked s and 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 LISTI ELECTRICAL PARTSC.A.EL.CHP: CHIP ALUMI.ELECTROLYTIC CAPC.CE: CERAMIC CAPC.CE.ARRAY : CERAMIC CAP ARRAYC.CE.CHP: CHIP CERAMIC CAPC.CE.ML: MULTILAYER 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 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,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 DIODEDIODE.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: 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 POINTPLST.RIVET: PLASTIC RIVETR.ARRAY: RESISTOR ARRAYR.CAR.: CARBON RESISTORR.CAR.CHP: CHIP RESISTORR.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 RESISTORRSN

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