YAMAHA YST-SW010_030 维修电路原理图.pdf

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1、YST-SW030/ YST-SW010 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 Products, are already known and understood by the users

2、, 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 specified. For these reasons, we advise all YAMAHA prod

3、uct 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, certification or recognition of any applicable technical c

4、apabilities, 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 striving to improve YAMAHA products. Modifications are

5、, 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 components. Discharge any static electricity your body

6、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. I CONTENTS TO SERVICE PERSONNEL . 2 SPECIFICATIONS / 参考仕

7、様 . 34 INTERNAL VIEW . 4 REAR PANELS . 58 DISASSEMBLY PROCEDURES / 分解手順 . 910 BLOCK DIAGRAM. 10 PRINTED CIRCUIT BOARD . 1112 SCHEMATIC DIAGRAM . 1314 PARTS LIST. 1525 100886 P.O.Box 1, Hamamatsu, Japan SERVICE MANUAL SUBWOOFER SYSTEM YST-SW030/YST-SW010 YST-SW030/YST-SW010 2 YST-SW030/ YST-SW010 WAL

8、L OUTLET EQUIPMENT UNDER TEST AC LEAKAGE TESTER OR EQUIVALENT INSULATING TABLE I TO SERVICE PERSONNEL 1. Critical Components Information Components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally installed. 2. Leakage Curren

9、t Measurement (For 120V Models Only) When service has been completed, it is imperative to verify that all exposed conductive surfaces are properly insulated from supply circuits. GMeter impedance should be equivalent to 1500 ohm shunted by 0.15F. “CAUTION” “F1: FOR CONTINUED PROTECTION AGAINST RISK

10、OF FIRE, REPLACE ONLY WITH SAME TYPE 2A (YST- SW030) / 1.6A (YST-SW010), 125V FUSE.” CAUTION F1: REPLACE WITH SAME TYPE 2A (YST-SW030) / 1.6A (YST-SW010), 125V FUSE. ATTENTION F1: UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE 2A (YST-SW030) / 1.6A (YST-SW010), 125V. WARNING: CHEMICAL CONTENT NOTIC

11、E! 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

12、 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 expose eyes to solder/flux vapor! If you c

13、ome in contact with solder or components located inside the enclosure of this product, wash your hands before handling food. GLeakage current must not exceed 0.5mA. GBe sure to test for leakage with the AC plug in both polarities. 製品使用MAIN P.C.B.面付 、Sn+Ag+Cu （錫+銀+銅） 合金無鉛使用 。 無鉛種類、修理時下記 無鉛使用推奨。 Sn+Ag

14、+Cu （錫+銀+銅） Sn+Cu （錫+銅） Sn+Zn+Bi （錫+亜鉛+） 注意： 無鉛融点温度通常鉛入比3040 程度高、合 使用。 鉛入使得場合、交換 部品端子部周辺部無鉛取除、 無鉛鉛入十分溶状態 付。 The foil side of MAIN P.C.B. used for this product are soldered with lead free soldering material which is an alloy of Sn+Ag+Cu (tin + silver + copper). Among some types of lead free solder cu

15、rrently available, it is recommended to use one of the following types for the repair work. Sn + Ag + Cu (tin + silver + copper) Sn + Cu (tin + copper) Sn + Zn + Bi (tin + zinc + bismuth) Caution: 1. As the melting point temperature of the lead free solder is about 30C to 40C (50F to 70F) higher tha

16、n that of the lead solder, be sure to use a soldering iron suitable to each solder. 2. If lead solder must be used, be sure to remove lead free solder from each terminal section of the parts to be replaced and from the area around it completely before soldering, or make sure that the lead free solde

17、r and lead solder melt together fully. About Lead Free Solder / 無鉛 YST-SW030/YST-SW010 3 YST-SW030/ YST-SW010 I SPECIFICATIONS / 参考仕様 Type / 型式.Advanced Yamaha Active Servo Technology Output Power / 出力 (100 Hz, 5 ohms, 10% T.H.D.) YST-SW030 . 75 W YST-SW010 . 50 W Input Sensitivity / 入力感度 (50 Hz, 5

18、ohms) INPUT (PJ) YST-SW030 . 70 mV (75 W) YST-SW010 . 50 mV (50 W) Dynamic Power / (5 ohms) YST-SW030 . 130 W YST-SW010 . 100 W Input Impedance / 入力 INPUT (PJ) . 12 k-ohms Frequency Response / 再生周波数帯域 YST-SW030 .28 Hz to 200 Hz YST-SW010 .30 Hz to 200 Hz Driver / (Magnetic Shielding Type) YST-SW030

19、. 8 (20 cm) cone YST-SW010 . 6.5 (16 cm) cone Input Section / 入力部 INPUT . RCA Pin Jack Operation Section / 操作部 Rear Panel. Power Switch, Volume Control, LED Indicator, Voltage Selector (L, R, T, K models) Power Supply / 電源 U, C models .AC 120 V, 60 Hz A model.AC 240 V, 50 Hz B, G models .AC 230 V, 5

20、0 Hz L, R, T models .AC 110-120 / 220-240 V, 50 / 60 Hz K model. AC 110 / 220 V, 60 Hz J model . AC 100 V, 50 / 60 Hz Power Consumption / 消費電力 YST-SW030 U, C, A, B, G, L, R, T, K models . 70 W J model . 40 W YST-SW010 U, C, A, B, G, L, R, T, K models . 45 W J model . 30 W Dimensions / 外形寸法 (W x H x

21、D) YST-SW030 .290 x 361 x 311 mm (11-7/16 x 14-3/16 x 12-1/4) YST-SW010 .280 x 325 x 293 mm (11-1/16 x 12-13/16 x 11-9/16) Weight / 質量 YST-SW030 .10.0 kg (22 lbs. 1 oz.) YST-SW010 .8.5 kg (18 lbs. 12 oz.) Finish Cherry Color . A, B, G, L, R, T, K, J models Black Color . U, C, A, B, G, L, R, T, J mod

22、els Silver Color . U, C, A, B, G, L, R, T, K, J models Accessories / 付属品 Subwoofer Cable (5 m) x 1, Non-skid Pad x 4 * Specifications are subject to change without notice due to product improvements. 参考仕様外観予告変更。 U . U.S.A. modelC . Canadian model A . Australian modelB . British model G . European mo

23、delL. Singapore model R . General modelT. Chinese model K . Korean modelJ . Japanese model DIMENSIONS / 寸法図 290 (11-7/16) 290.5 (11-7/16) 70.5 (2-13/16) 361 (14-3/16) 290 (11-7/16) 21 (13/16) 311 (12-1/4) Unit : mm (inch) 単位: mm（） 280 (11-1/16) 277.2 (10-15/16) 47.8 (1-7/8) 325 (12-13/16) 280(11-1/1

24、6) 13 (1/2) 293 (11-9/16) Unit : mm (inch) 単位: mm（） YST-SW030YST-SW010 YST-SW030/YST-SW010 4 YST-SW030/ YST-SW010 I INTERNAL VIEW YST-SW030 1 MAIN (3) P.C.B. 2 MAIN (1) P.C.B. 3 MAIN (6) P.C.B. 4 Power Transformer 5 MAIN (7) P.C.B. (U, C, A, B, G, J models) MAIN (10) P.C.B. (L, R, T, K models) 6 MAI

25、N (9) P.C.B. (L, R, T, K models only) 7 MAIN (2) P.C.B. 8 MAIN (4) P.C.B. 12 476 3 58Rear Panel YST-SW010 1 MAIN (3) P.C.B. 2 MAIN (1) P.C.B. 3 MAIN (6) P.C.B. 4 MAIN (7) P.C.B. (U, C, A, B, G, J models) MAIN (10) P.C.B. (L, R, T, K models) 5 Power Transformer 6 MAIN (9) P.C.B. (L, R, T, K models on

26、ly) 7 MAIN (2) P.C.B. 8 MAIN (4) P.C.B. 12 576 3 48Rear Panel Advanced YST Advanced Yamaha Active Servo Technology is a unique system to let the speaker unit have a per- fectly linear motion by the speaker and amplifier combination. 、組 合振動板効率 動最大音圧時大 幅改善。 QD-Bass Technology QD-Bass (Quatre Dispersio

27、n Bass) technology is a Yamaha unique technology to radiate the sound efficiently in four horizontal direction. QD QD （） 、低音4水平方向 効率放射独自 。 YST-SW030/YST-SW010 5 YST-SW030/ YST-SW010 YST-SW030 (B, G models)YST-SW030 (L model) I REAR PANELS YST-SW030 (A model)YST-SW030 (U, C models) YST-SW030/YST-SW01

28、0 6 YST-SW030/ YST-SW010 YST-SW030 (J model) YST-SW030 (T model) YST-SW030 (K model) YST-SW030 (R model) YST-SW030/YST-SW010 7 YST-SW030/ YST-SW010 YST-SW010 (U, C models)YST-SW010 (A model) YST-SW010 (B, G models)YST-SW010 (L model) YST-SW030/YST-SW010 8 YST-SW030/ YST-SW010 YST-SW010 (T model) YST

29、-SW010 (K model)YST-SW010 (J model) YST-SW010 (R model) YST-SW030/YST-SW010 9 YST-SW030/ YST-SW010 I DISASSEMBLY PROCEDURES / 分解手順 本項目、代表YST-SW030記述。*The description below uses YST-SW030 as a representative model. Fig. 2 Fig. 1 2. Assy外方 a. 8本外。 （Fig. 2） 取外矢印 （） 印刷。 b. Assy引出。 （Fig. 2） 2. Removal of

30、 Rear Panel Assy a. Remove 8 screws (3). (Fig. 2) * Screws (3) are identified with arrow marks (). b. Pull out the rear panel assy. (Fig. 2) Connector Driver Base 1 1 2 2 3 3 Rear Panel Assy Assy (Remove parts in the order as numbered.) Disconnect the power cable from the AC outlet. 1. Removal of Dr

31、iver a. 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 of the Driver. (Fig. 1) （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） YST-SW030/YS

32、T-SW010 10 YST-SW030/ YST-SW010 I BLOCK DIAGRAM When Checking the P.C.B.: Connect all the connectors removed during disassembly back to the original positions. Spread the Rubber sheet and cloth for insulation purpose and place the rear panel assy on it. (Fig. 3) P.C.B.場合 分解際外元通接続 。 絶縁布敷、上 Assy置。 （Fi

33、g. 3） Fig. 3 Rubber Sheet and Cloth 布 IC4A IC5A IC5B IC1 2 3 4 + - L.P.F. 6dB/oct L.P.F. 12dB/oct H.P.F. 12dB/oct IC3 DRIVER INPUT VR1 VOLUME *( ) YST-SW010 Pin No. POWER AMP RY1 PROTECTION POWR SUPPLY D1 F1 T1 POWER SW1 4 8 3 *(2) 26 2 *(1) 2 10 *(9) 9 *(8) 12 *(10) +B +B -B -B IC2 Q16 D19,21 Q5,6,

34、7,8 D4,5,22,23 R28 0.1 +15 -15 Q9,D2 REGULATER Q10,D3 A.N.I.C LIMITER YST-SW030/YST-SW010 11 A 1 2 3 4 5 6 7 BCDEFGHIJ -15 +15 -V E MAIN MAIN E -V +15 -15 WHBE BE BE BE WH WH WH RE WH BE BE BE WH YE YE RE RE RE RE RE BL BL RE BR BR U, C, A, B, G, J models U, C, A, B, G, J models only Power Transform

35、er Power Transformer L, R, T, K models L, R, T, K models onlyL, R, T, K models only MAN (1) P. C. B.(Lead Type Device) MAN (3) P. C. B.(Lead Type Device) MAN (2) P. C. B.(Lead Type Device) MAN (4) P. C. B. (Lead Type Device) MAN (6) P. C. B. (Lead Type Device) MAN (9) P. C. B. (Lead Type Device) MAN

36、 (7) P. C. B. (Lead Type Device) MAN (10) P. C. B. (Lead Type Device) Circuit No.U, C, A, B, G, JL, R, T, K F2XO CB4, 5XO SW2XO W7XO W8XO W9XO W10XO VOLUME INPUT VOLTAGE SELECTOR Ref. no.Location D1I2 D2H3 D3I3 D4E2 D5F2 D6G2 D7E2 Semiconductor Location Ref. no.Location D19G3 D20F2 D21F2 D22E3 D23F3

37、 D24J3 IC1G1 Ref. no.Location IC2G3 IC3H3 IC4B3 IC5B2 Q1F2 Q2F2 Q5E3 Ref. no.Location Q6F3 Q7E2 Q8F3 Q9H3 Q10I3 POWER DRIVER I PRINTED CIRCUIT BOARD (Foil side)YST-SW030 YST-SW030/YST-SW010 12 A 1 2 3 4 5 6 7 BCDEFGHIJK MAIN (6) P. C. B. (Lead Type Device) MAIN (7) P. C. B. (Lead Type Device) MAIN (

38、4) P. C. B. (Lead Type Device) MAIN (10) P. C. B. (Lead Type Device) MAIN (9) P. C. B. (Lead Type Device) MAIN (2) P. C. B. (Lead Type Device) MAIN (3) P. C. B.(Lead Type Device) MAIN (1) P. C. B.(Lead Type Device) -15 +15 -V E MAIN MAIN E -V +15 -15 WHBE BE WH BE WH BE WH BE BE BE WH YE YE RE RE BR

39、 BR U, C, A, B, G, J models L, R, T, K models U, C, A, B, G, J models only L, R, T, K models only L, R, T, K models only VOLTAGE SELECTOR Power Transformer Power Transformer RE RE RE RE BL BL WH RE VOLUME INPUT POWER Circuit No.U, C, A, B, G, JL, R, T, K F2XO CB4, 5XO SW2XO W7XO W8XO W9XO W10XO Ref.

40、 no.Location D1I2 D2H4 D3I4 D4E3 D5F3 D6G2 D7F2 Semiconductor Location Ref. no.Location D19G3 D20F3 D21F3 D22E3 D23F3 D24J3 IC1G1 Ref. no.Location IC2G3 IC3H3 IC4B3 IC5B2 Q1F2 Q2G2 Q5E3 Ref. no.Location Q6F3 Q7E3 Q8F3 Q9I4 Q10I4 DRIVER I PRINTED CIRCUIT BOARD (Foil side)YST-SW010 ABCDEFGHIJKL YST-SW

41、030/YST-SW010 13 SCHEMATIC DIAGRAM 1 2 3 4 5 6 7 8 9 YST-SW030 # All voltages are measured with a 10MV DC electronic 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

42、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。改良予告変更。 1 9 1 9 PIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS. 2SB1642 2SD2531 2SK3041SR139-400 1SS133 1SS176 MTZJ15.0C MTZJ24.0B 2SA970 2SAKTA1266 2SC2240 2SCKTC3198 PC4570HATA7317P Anode Cathode EC

43、 B BC E S G D STK404-120 1 12 RBV-402 + IC1: STK404-120 Power Amp. IC3 : TA7317P Protector 1 6 2 3 8 74 9 Muting circuit Constant voltage power supply circuit Schmidt circuit Power supply ON/OFF detecting circuit R1 R2 C1 TR1 TR7 TR8 TR6 TR5 R6R3 SUB PT1 R4 C2 R5 TR3TR4D1 TR1 Discharging circuit 5 Substrate Overcurrent detecting circuit OR circuit Current voltage detecting circuit GND Relay drive circuit IC2, 4, 5: PC4570HA Dual OP-Amp VccVo1-Vm1+Vm1VEE+Vm2-Vm2Vo2Vcc 123456789 +- 12 123456789101112 0 0 00 0 0 0 0 0