Yamaha-YSTSW-45-Service-Manual电路原理图.pdf

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1、STANDBY/ONHIGH CUTVOLUME 50Hz150Hz010 SUPERWOOFER SYSTEM YST-SW45 P.O.Box 1, Hamamatsu, Japan SERVICE MANUAL POWERED SUBWOOFER SYSTEM YST-SW45 100676 CONTENTS TO SERVICE PERSONNEL . 1 SPECIFICATIONS. 1 DIMENSIONS . 1 INTERNAL VIEW . 2 REAR PANELS . 2 DISASSEMBLY PROCEDURES . 3 BLOCK DIAGRAM. 4 IC BL

2、OCK. 4 PRINTED CIRCUIT BOARD . 57 SCHEMATIC DIAGRAM . 8 PARTS LIST . 915 IMPORTANT NOTICE This 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 YAMAHA Pro

3、ducts, 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, destruction of expensive components, and failure of the product to perform as spe

4、cified. For these reasons, we advise all YAMAHA product owners that any service required should be performed by an authorized YAMAHA Retailer or the appointed service representative. IMPORTANT:The presentation or sale of this manual to any individual or firm does not constitute authorization, certif

5、ication 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 st

6、riving to improve YAMAHA products. Modifications are, therefore, inevitable and specifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact the distributors Service Division. WARNING:Static discharges can destroy expensive com

7、ponents. Discharge any static electricity your 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 before you apply power to the unit. YST-

8、SW45 235(9-5/16)260(10-1/4) 365(14-7/20) 318(12-1/2) 40 (1-9/16) 18 (11/16) WALL OUTLET EQUIPMENT UNDER TEST AC LEAKAGE TESTER OR EQUIVALENT INSULATING TABLE 1 TO SERVICE PERSONNEL Critical Components Information. Components having special characteristics are marked and must be replaced with parts h

9、aving specifications equal to those originally installed. 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 Califo

10、rnia 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!

11、 When soldering, do not inhale solder fumes or expose eyes to solder/flux vapor! If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling food. SPECIFICATIONS Type. Active Servo Processing Subwoofer System Speaker Unit. 20 cm (8)

12、cone woofer (JA2162) magnetic shielding type x 1 Amplifier Output . 70 W/5 ohms High-Cut Filter. 50 Hz150Hz (-24 dB/oct.) Frequency Response . 30 Hz200Hz (10 dB) Power Supply U.S.A. and Canada models . AC120V, 60Hz Australia model . AC240V, 50Hz U.K. and Europe models . AC230V, 50Hz General and Chin

13、a models . AC110/120/220/240V, 50/60Hz (Adjustable with Voltage Selector) Power Consumption. 55 W Dimensions (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. DIMENSIONS Un

14、it: mm (inch) YST-SW45 POWER ON OFF RL L R RL OUTPUTINPUT2AUTO STANDBY INPUT1 TO SPEAKERS FROM AMPLIFIER LOW OFF HIGH MODEL 110/120/220/240 VOLTS 55 WATTS VOLTAGE SELECTOR SER.NO. YST SW45 NO. 50/60 Hz MADE IN MALAYSIA RL L R RL OUTPUTINPUT2AUTO STANDBY INPUT1 POWER ON OFF TO SPEAKERS FROM AMPLIFIER

15、 LOW OFF HIGH MODEL 240 VOLTS55 WATTS MADE IN MALAYSIA SER. NO. YST SW45 NO. N89 50 Hz POWER ON OFF RL L R RL OUTPUTINPUT2AUTO STANDBY INPUT1 TO SPEAKERS FROM AMPLIFIER LOW OFF HIGH MODEL 110/120/220/240 VOLTS 55 WATTS VOLTAGE SELECTOR SER.NO. YST SW45 NO. 50/60 Hz MADE IN MALAYSIA POWER ON OFF MODE

16、L 120 VOLTS MADE IN MALAYSIA SER. NO. 80 WATTS60Hz YST SW45 NO. ATTENTION:RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR. WARNING:TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE. RL L R RL OUTPUTINPUT2AUTO STANDBY INPUT1 TO SPEAKERS FROM AMPLIFIER LOW OFF HIGH

17、1 2 3 4 5 Right side internal view 2 INTERNAL VIEW 1 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 PANELS U, C modelsR modelA model B modelT model POWER ON OFF MODEL 230 VOLTS55 WATTS MADE IN MALAYSIA SER. NO. YST SW45 NO. 50 Hz RL L R RL OUTPUTINPUT2

18、AUTO STANDBY INPUT1 TO SPEAKERS FROM AMPLIFIER LOW OFF HIGH YST-SW45 1 2 2 2 Fig. 2 Fig. 1 3 DISASSEMBLY PROCEDURES (Remove parts in the order as numbered.) 1. Removal of Front Grille The front grille is fixed to the cabinet with dowels at 4 locations. As a screwdriver (for slotted head screw) is us

19、ed for removal, use special care not to cause damage to the cabinet. a. Apply the block to the rear panel so as to avoid damage to the Terminal of the rear panel. b. Use the screwdriver inserted in the gap between the front grille and the cabinet (bottom side first), push up the front grille. (Fig.

20、1) c. Remove the front grille by lifting it up. (Fig. 1) 2. Remove of Speaker a. Remove 4 screws (1) in Fig. 2, and remove the speaker. b. Remove the cable cord. 3. Removal of the Rear Panel a. Remove 10 screws (2) in Fig. 2, and remove the rear panel. *When removing the rear panel, replacing the pa

21、cking. YST-SW45 LIMITER IC8 REGULATOR POWER SUPPLY D1 D11 Q11 VCC T1 SW1 D8D19 -B +B POWER LED PWR STANDBY/ON SW +15 -15 Q1,D2 Q2,D3 RY2 F1 PROTECTION 0.1 SPEAKER RY1 D7 L.P.F 6dB/oct 2 IC9 2 4 3 IC7B IC7A L.P.F 12dB/oct HIGH CUT VR2 8 6 7 VR3 VOLUME L.P.F 6dB/oct 7 6 5 IC1B IC1A 1 2 3 SIGNAL SENSOR

22、 IC4 TIMER IC5 + 8 4 6 7 3 AUTO POWER SW2 OFF PWR AUTO POWER ON/OFF CIRCUIT Q3, 6 D4,D5 + - - + + - - + L R L R L R INPUT 1 OUTPUT INPUT 2 Q12 POWER AMP 4 RY2 H.P.F 12dB/oct H L IC10 +8 POWER SW SW5 A.N.I.C IC2,3,6 Q7 L.P.F 6dB/oct 1 13 1 2 6 4 3 15 14 13 12 7 R1 C1 TR4 TR7 TR8 TR9 TR10 TR1TR2 TR3 T

23、R5 R7 R9 R10 R4 R5 R3 R2 R6 D1SUB R8 D2 VIN VOUT GND VccVo1-Vm1+Vm1VEE+Vm2-Vm2Vo2Vcc 1 2 3 4 5 6 7 8 9 +- 12 4 BLOCK DIAGRAM IC BLOCK DIAGRAM PC4570HA (OP Amp.)NJM78L08A (Voltage Regulator) M51848L (CR Timer) STK4036-2 (Amp.) NJM4558L (OP Amp.) PC1237HA (Protect IC) ABCDE 1 2 3 4 5 6 7 YST-SW45 From

24、: MAIN (3) SPEAKER MAIN P.C.B. (1) From: MAIN (4) From: MAIN (2) From: MAIN (7) + + 5 PRINTED CIRCUIT BOARD (Foil side) ABCDE 1 2 3 4 5 6 7 YST-SW45 MAIN P.C.B. (3) From: MAIN (2) AUTO STANDBY INPUT2 OUTPUT / INPUT To: MAIN (1) MAIN P.C.B. (2) To: MAIN (1) To: MAIN (6) From: MAIN (5) To: MAIN (3)To:

25、 VOLTAGE SELECTOR (GENERAL model) 6 PRINTED CIRCUIT BOARD (Foil side) ABCDE 1 2 3 4 5 6 7 YST-SW45 MAIN P.C.B. (6) To: MAIN (1) From: MAIN (2) From: VOLTAGE SELECTOR (GENERAL model) POWER TRANSFORMER MAIN P.C.B. (7) MAIN P.C.B. (5) To: MAIN (2) POWER MAIN P.C.B. (4) To: MAIN (1) 7 PRINTED CIRCUIT BO

26、ARD (Foil side) A 1 2 3 4 5 6 7 8 9 BCDEFGHIJKL YST-SW45 BCE BCE PIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS. 2SD1913 2SB1274 2SK3042SC4688D3SBA20S1NB202SC1815 2SA1015 2SC2240 EC B + + 1SS133 MTZ15C MTZJ24B MTZJ12C PC4570HA Anode Cathode 1 9 M51848LNJM78L08ASTK4036-2 1 8 NJM4558L 1 8 OUT C

27、OM IN 1 15 SG D 0 0 0 0 0 0 14.4 14.2 0 0 0 0 0 0 0 000 000 14.4 -14.2 -0.4 -0.4 035.9 1.2 0 36.7 -36.8 -1.3 -1.3 -35.7 -34.5 14.4 0 0 0 0 0 0 0 0 0 0 0 00 0 0 -14.2 -1.8 14.4 -14.2 0 0 0 0 0 0 0 0 0 0 2.0 6.16.6 0 0.8 2.2 3.1 14.4 0.2 0.2 -14.2 0.825.4 32.514.4 14.9 0 -14.7 -14.2-32.7 6.66.0 36.7-3

28、6.8 AC57.4 AC12.2 0 12.7 12.7 1.9 1.9 0.7 0 0 12.77.9 0 0 0 0 3.9 7.9 6.7 6.6 3.9 1.4 7.3 0 1.4 6.6 7.9 5.3 7.9 7.3 0 0 0 -13.9 0 0 0 14.2 0 1.8 H?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

29、having specifications equal to those originally installed. H?Schematic diagram is subject to change without notice. 8 SCHEMATIC DIAGRAM YST-SW45 9 WARNING Components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally in- stalle

30、d. Carbon resistors (1/6W or 1/4W) are not included in the ELECTRICAL PARTS 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 CAP C.CE: CERAMIC CAP C.CE.ARRAY: CERAMIC CAP ARRAY C.CE.CHP: CHIP CERAMIC C

31、AP C.CE.ML: MULTILAYER CERAMIC CAP C.CE.M.CHP: CHIP MULTILAYER CERAMIC CAP C.CE.SAFTY: RECOGNIZED CERAMIC CAP C.CE.TUBLR: CERAMIC TUBULAR CAP C.CE.SMI: SEMI CONDUCTIVE CERAMIC CAP C.EL: ELECTROLYTIC CAP C.MICA: MICA CAP C.ML.FLM: MULTILAYER FILM CAP C.MP: METALLIZED PAPER CAP C.MYLAR: MYLAR FILM CAP

32、 C.MYLAR.ML: MULTILAYER MYLAR FILM CAP C.PAPER: PAPER CAPACITOR C.PLS: POLYSTYRENE FILM CAP C.POL: POLYESTER FILM CAP C.POLY: POLYETHYLENE FILM CAP C.PP: POLYPROPYLENE FILM CAP C.TNTL: TANTALUM CAP C.TNTL.CHP: CHIP TANTALUM CAP C.TRIM: TRIMMER CAP CN: CONNECTOR CN.BS.PIN: CONNECTOR,BASE PIN CN.CANNO

33、N: CONNECTOR,CANNON CN.DIN: CONNECTOR,DIN CN.FLAT: CONNECTOR,FLAT CABLE CN.POST: CONNECTOR,BASE POST COIL.MX.AM: COIL,AM MIX COIL.AT.FM: COIL,FM ANTENNA COIL.DT.FM: COIL,FM DETECT COIL.MX.FM: COIL,FM MIX COIL,OUTPT: OUTPUT COIL DIOD.ARRAY : DIODE ARRAY DIODE.BRG: DIODE BRIDGE DIODE.CHP: CHIP DIODE D

34、IODE.VAR: VARACTOR DIODE DIOD.Z.CHP: CHIP ZENER DIODE DIODE.ZENR : ZENER DIODE DSCR.CE: CERAMIC DISCRIMINATOR FER.BEAD: FERRITE BEADS FER.CORE: FERRITE CORE FET.CHP: CHIP FET FL.DSPLY: FLUORESCENT DISPLAY FLTR.CE: CERAMIC FILTER FLTR.COMB: COMB FILTER MODULE FLTR.LC.RF: LC FILTER,EMI GND.MTL: GROUND

35、 PLATE GND.TERM: GROUND TERMINAL HOLDER.FUS : FUSE HOLDER IC.PRTCT: IC PROTECTOR JUMPER.CN: JUMPER CONNECTOR JUMPER.TST : JUMPER,TEST POINT L.DTCT: LIGHT DETECTING MODULE L.EMIT: LIGHT EMITTING MODULE LED.DSPLY: LED DISPLAY LED.INFRD: LED,INFRARED MODUL.RF: MODULATOR,RF PHOT.CPL: PHOTO COUPLER PHOT.

36、INTR: PHOTO INTERRUPTER PHOT.RFLCT : PHOTO REFLECTOR PIN.TEST: PIN,TEST POINT PLST.RIVET: PLASTIC RIVET R.ARRAY: RESISTOR ARRAY R.CAR.: CARBON RESISTOR R.CAR.CHP: CHIPRESISTOR R.CAR.FP: FLAME PROOF CARBON RESISTOR R.FUS: FUSABLE RESISTOR R.MTL.CHP: CHIP METAL FILM RESISTOR R.MTL.FLM: METAL FILM RESI

37、STOR R.MTL.OXD: METAL OXIDE FILM RESISTOR R.MTL.PLAT: METAL PLATE RESISTOR RSNR.CE: CERAMIC RESONATOR RSNR.CRYS: CRYSTAL RESONATOR R.TW.CEM: TWIN CEMENT FIXED RESISTOR R.WW: WIRE WOUND RESISTOR SCR.BND.HD : BIND HEAD B-TITE SCREW SCR.BW.HD: BW HEAD TAPPING SCREW SCR.CUP: CUP TITE SCREW SCR.TERM: SCR

38、EW TERMINAL SCR.TR: SCREW,TRANSISTOR SUPRT.PCB: SUPPORT,P.C.B. SURG.PRTCT : SURGE PROTECTOR SW.TACT: TACT SWITCH SW.LEAF: LEAF SWITCH SW.LEVER: LEVER SWITCH SW.MICRO: MICRO SWITCH SW.PUSH: PUSH SWITCH SW.RT.ENC: ROTARY ENCODER SW.RT.MTR: ROTARY SWITCH WITH MOTOR SW.RT: ROTARY SWITCH SW.SLIDE: SLIDE

39、SWITCH TERM.SP: SPEAKERTERMINAL TERM.WRAP : WRAPPING TERMINAL THRMST.CHP : CHIP THERMISTOR TR.CHP: CHIP TRANSISTOR TR.DGT: DIGITAL TRANSISTOR TR.DGT.CHP : CHIP DIGITAL TRANSISTOR TRANS: TRANSFORMER TRANS.PULS : PULSE TRANSFORMER TRANS.PWR: POWERTRANSFORMER ASSY TUNER.AM: TUNER PACK,AM TUNER.FM: TUNE

40、R PACK,FM TUNER.PK: FRONT-ENDTUNER PACK VR: ROTARY POTENTIOMETER VR.MTR: POTENTIOMETER WITH MOTOR VR.SW: POTENTIOMETER WITH ROTARY SW VR.SLIDE: SLIDEPOTENTIOMETER VR.TRIM: TRIMMER POTENTIOMETER Note) Those parts marked with “#” are not included in the P.C.B. assy. PARTS LIST ELECTRICAL PARTS YST-SW4

41、5 10 *V3359100P.C.B.MAIN(UC) *V3359200P.C.B.MAIN(RT) *V3359300P.C.B.MAIN(A) *V3359400P.C.B.MAIN(BG) CB1LB932020CN.BS.PIN2P CB2VD004800CN.BS.PIN5P CB3VD005100CN.BS.PIN8P CB4VD004900CN.BS.PIN6P CB5VT658200HOLDER.FUSPC-FH1(RT) CB6VT658200HOLDER.FUSPC-FH1(RT) CB7VT658200HOLDER.FUSPC-FH1 CB8VT658200HOLDE

42、R.FUSPC-FH1 CB9VD004700CN.BS.PIN4P CB11 VD005100CN.BS.PIN8P C1UA654470C.MYLAR0.047uF 50V C2FG212220C.CE220pF 50V *C3VT723100C.EL10uF 35V C4FG212220C.CE220pF 50V C5UA654220C.MYLAR0.022uF 50V C6VJ836900C.EL10uF 16V C7VJ837200C.EL47uF 16V *C8VT723100C.EL10uF 35V C9VT857900C.POL0.1uF 250V C10VT857900C.P

43、OL0.1uF 250V C11V37573006800 50.0V C12V37573006800 50.0V C13Ui367220C.EL22uF 50V C14Ui367220C.EL22uF 50V C16Ui367220C.EL22uF 50V C17Ui367220C.EL22uF 50V C18UA655470C.MYLAR0.47uF 50V C19VJ837200C.EL47uF 16V C20VJ837200C.EL47uF 16V C21VF760000C.EL100uF 10V C22VF964800C.EL100uF 16V C23UA655470C.MYLAR0.

44、47uF 50V C24VE117600C.EL220uF 10V C25FG214100C.CE0.01uF 50V C26UA653390C.MYLAR3900pF 50V C27UA654100C.MYLAR0.01uF 50V C28UA654100C.MYLAR0.01uF 50V C29UJ668100C.EL100uF 50V C30UJ668100C.EL100uF 50V C31UJ667470C.EL47uF 50V C32FG212470C.CE470pF 50V C33UA655100C.MYLAR0.1uF 50V C34FG213100C.CE1000pF 50V

45、C35FG212470C.CE470pF 50V C36VJ839100C.EL1uF 50V C37UJ667470C.EL47uF 50V C38UA655100C.MYLAR0.1uF 50V C39VJ836900C.EL10uF 16V C40VF606700C.EL1000uF 25V(UCABG) C40VH620500 C.EL10uF 25V(RT) C41VJ836900 C.EL10uF 16V C42FG214100 C.CE0.01uF 50V C43FG213100 C.CE1000pF 50V C44VJ839100 C.EL1uF 50V C45UA654680

46、 C.MYLAR0.068uF 50V C46UJ638330 C.EL330uF 16V C47UJ648220 C.EL220uF 25V C48UH178100 C.EL100uF 63V(RT) sC49VS741700 C.CE.SAFTY0.01uF 275V C50FG214100 C.CE0.01uF 50V C51UA654470 C.MYLAR0.047uF 50V C52VJ836900 C.EL10uF 16V C53VJ836900 C.EL10uF 16V C54FG212220 C.CE220pF 50V C55FG212100 C.CE100pF 50V C56VJ836900 C.EL10uF 16V C57FG413220 C.CE2200pF 50V C61UA655680 C.MYLAR0.68uF 50V