Yamaha-YSTFSW-050-Service-Manual电路原理图.pdf

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1、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, and have therefore

2、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 product owners that any s

3、ervice 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 capabilities, or estab

4、lish 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, therefore, inevitab

5、le 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 may have accumulated

6、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-FSW150/ YST-FSW050 I CONTENTS TO SERVICE PERSONNEL . 2 SPECIFICATIONS / 参

7、考仕様 . 3 INTERNAL VIEW . 4 FRONT PANELS. 5 REAR PANELS . 67 DISASSEMBLY PROCEDURES / 分解手順 . 811 BLOCK DIAGRAM. 12 PRINTED CIRCUIT BOARDS. 1314 SCHEMATIC DIAGRAMS. 1516 REPLACEMENT PARTS LIST . 1725 101061 SERVICE MANUAL SUBWOOFER SYSTEM YST-FSW150/YST-FSW050 2007 All rights reserved. This manual is c

8、opyrighted by YAMAHA and may not be copied or redistributed either in print or electronically without permission. P.O.Box 1, Hamamatsu, Japan 07.08 YST-FSW150 YST-FSW050 YST-FSW150/YST-FSW050 2 YST-FSW150/ YST-FSW050 WALL OUTLET EQUIPMENT UNDER TEST AC LEAKAGE TESTER OR EQUIVALENT INSULATING TABLE W

9、ARNING: 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)

10、 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 expose eyes t

11、o 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. 1. Critical Components Information Components having special characteristics are marked s and must be replaced with parts having specifications eq

12、ual to those originally installed. 2. Leakage Current 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 ohms shunted by 0.15F.

13、GLeakage current must not exceed 0.5mA. GBe sure to test for leakage with the AC plug in both polarities. 本機搭載基板付接合 部無鉛付。 無鉛種類、修理時下記 無鉛使用推奨。 Sn+Ag+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。 All of the P.C.B.s installed in this unit and solder joints are soldered using the

14、lead free solder. Among some types of lead free solder currently 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: As the melting point temperature of the lead f

15、ree solder is about 30C to 40C (50F to 70F) higher than that of the lead solder, be sure to use a soldering iron suitable to each solder. About lead free solder / 無鉛 I TO SERVICE PERSONNEL For U model “CAUTION” “F1: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 1.6A, 125

16、V FUSE.” For C model CAUTION F1:REPLACE WITH SAME TYPE 1.6A, 125V FUSE. ATTENTION F1:UTILISER UN FUSIBLE DE RECHANGE DE MME TYPE DE 1.6A, 125V. YST-FSW150/YST-FSW050 3 435 (17-1/8) 151 (5-15/16) 130 (5-1/8)21 (13/16) 350 (13-3/4)7 (1/4) 3 (1/8) 360 (14-3/16) (5-15/16) 151 437 (17-3/16) (14-11/16) 37

17、3 Stand 縦置用 When installing the unit vertically （本機縦置場合） 163 (6-7/16) 142 (5-9/16)21 (13/16) (13-3/4) 350 350 (13-3/4)7 (1/4) 3 (1/8) 360 (14-3/16) (6-7/16) 163 352 (13-7/8) When installing the unit vertically （本機縦置場合） (14-3/16) 360 Type / 型式 . Advanced Yamaha Active Servo Technology II Output Power

18、 / 出力 (100 Hz, 5 ohms, 10% T.H.D.) YST-FSW150 . 75 W YST-FSW050 . 50 W Dynamic Power / (5 ohms) YST-FSW150 . 130 W YST-FSW050 . 100 W Input Sensitivity / 入力感度 (50 Hz, 75 W / 5 ohms, INPUT (PJ) YST-FSW150 . 100 mV YST-FSW050 . 50 mV Input Impedance / 入力 INPUT (PJ). 12 k-ohms Frequency Response / 再生周波

19、数帯域 YST-FSW150 .30 Hz to 160 Hz YST-FSW050 .35 Hz to 160 Hz Driver / (Magnetic shielding type) . 16 cm (6.5) cone woofer Input Section / 入力部 INPUT.RCA pin jack Operation Section / 操作部 Front panel . Power switch, Volume control, Power indicator Bottom panel .Voltage selector (R, L models) Power Suppl

20、y / 電源 U, C models .AC 120 V, 60 Hz R, L models .AC 110-120/220-240 V, 50/60 Hz T model .AC 220 V, 50 Hz K model .AC 220 V, 60 Hz A model .AC 240 V, 50 Hz B, G models .AC 230 V, 50 Hz J model.AC 100 V, 50/60 Hz Power Consumption / 消費電力 YST-FSW150 U, C, R, T, A, B, G, L models. 70 W J model . 45 W YS

21、T-FSW050 U, C, R, T, K, A, B, G, L models . 40 W J model . 25 W Dimensions / 外形寸法 (W x H x D) YST-FSW150 .435 x 151 x 360 mm (17-1/8 x 5-15/16 x 14-3/16) YST-FSW050 .350 x 163 x 360 mm (13-3/4 x 6-7/16 x 14-3/16) Weight / 質量 YST-FSW150 .9.4 kg (20 lbs. 12 oz.) YST-FSW050 .8.5 kg (18 lbs. 12 oz.) Fin

22、ish YST-FSW150 Black Color . U, C, R, T, A, B, G, L, J models Silver Color . U, C, R, T, A, B, G, L, J models YST-FSW050 Black Color . U, C, R, T, K, A, B, G, L, J models Silver Color . U, C, R, T, K, A, B, G, L, J models Accessories / 付属品 Subwoofer cable (5 m) x 1, System control cable (5 m) x 1, S

23、tand (with PAD x 2) x 1 (YST-FSW150 model), Screw x 2 (YST-FSW150 model), Nonskid pad x 4 *Specifications are subject to change without notice due to product improvements. 参考仕様外観予告変更。 DIMENSIONS / 寸法図 Advanced Yamaha Active Servo Tech- nology II Advanced Yamaha Active Servo Technol- ogy is a unique

24、system to let the speaker unit have a perfectly linear motion by the speaker and amplifier combination. II 、組合 振動板効率動最大音圧 時大幅改善 。 I SPECIFICATIONS / 参考仕様 U . U.S.A. model C . Canadian model R . General model T . Chinese model K . Korean model A . Australian model B . British model G . European model

25、 L . Singapore model J. Japanese model YST-FSW150 YST-FSW050 Unit: mm (inch) 単位：mm （） Unit: mm (inch) 単位：mm （） YST-FSW150/YST-FSW050 4 1 2 3 4 5 6 7 8 Power Transformer MAIN (7) P.C.B. (U, C, T, A, B, G, J models) MAIN (8) P.C.B. (R, L models) MAIN (4) P.C.B. MAIN (6) P.C.B. (R, L models) Driver Woo

26、fer MAIN (1) P.C.B. MAIN (2) P.C.B. MAIN (3) P.C.B. 67 8 1 2354 I INTERNAL VIEW YST-FSW150YST-FSW050 1 2 3 4 5 6 7 8 Power Transformer MAIN (7) P.C.B. (U, C, T, K, A, B, G, J models) MAIN (8) P.C.B. (R, L models) MAIN (6) P.C.B. (R, L models) Driver Woofer MAIN (4) P.C.B. MAIN (1) P.C.B. MAIN (2) P.

27、C.B. MAIN (3) P.C.B. 67 8 4 5132 YST-FSW150/YST-FSW050 5 YST-FSW150/ YST-FSW050 Power indicator Power indicator I FRONT PANELS R, L models U, C, J models R, L models U, C, J models YST-FSW150 YST-FSW050 Front view Bottom view Front view Bottom view YST-FSW150/YST-FSW050 8 YST-FSW150/ YST-FSW050 I DI

28、SASSEMBLY PROCEDURES / 分解手順 Fig. 1 Disconnect the power cable from the AC outlet. Required tools Flatblade screwdriver Metalblade or the like (with wider blade end) *Used when removing the bottom grille assy and front panel assy. 1. Removal of driver a. Turn the main unit bottom up. *The bottom gril

29、le assy is fixed to the cabinet assy with dowels at 4 locations. As a flatblade screwdriver is used for removal, use special care not to cause damage to the cabinet assy. b. First, insert a flatblade screwdriver at 4 dowel positions and push up the bottom grille assy. (Fig. 1) c. Next, using the met

30、alblade or the like, push the bottom grille assy upward until it comes off. (Fig. 1) Note: Removing the bottom grille assy with the flatblade screwdriver only without using the metalblade or the like may cause damage to the bottom grille assy. When installing the bottom grille assy, apply quick-dryi

31、ng bond or the like to dowels and then fit them into dowel holes for secure instal- lation. (The bottom grille assy will come off easily if its dowels are fitted into dowel holes without applying quick-drying bond or the like.) AC電源、電源抜。 必要 等 （先端幅広） ASSYASSY取 外時使用。 1. 外方 a. 本機上下反転。 *ASSY4箇所ASSY 固定。取

32、外際、ASSY 傷付十分注意。 b. 最初4箇所位置差込、 ASSY押上。 （Fig. 1） c. 次等使、徐上面押上、 ASSY取外。 （Fig. 1） 注意： ASSY取外際、等使 使取外、 ASSY破損場合。 ASSY取付場合、 ASSY速乾塗取付 。 （ASSY速乾 塗差込、簡単外 。） Metalblade Dowel Dowel Bottom grille assy ASSY Flatblade screwdriver Dowel YST-FSW150/YST-FSW050 9 YST-FSW150/ YST-FSW050 2. Removal of bottom panel as

33、sy a. Remove 2 screws (2) and then remove 2 legs. (Fig. 3) b. Remove 12 screws (3). (Fig. 3) *Screws (3) are identified with arrow marks ( ). c. Pull out the bottom panel assy. (Fig. 3) d. Remove CB1-5 and then remove the bottom panel assy. (Fig. 3) 2. ASSY外方 a.22本外、2個取外。 （Fig. 3） b.312本外。 （Fig. 3）

34、取外3矢印 （ ） 印刷。 c. ASSY引出。 （Fig. 3） d. CB1CB5外、ASSY取外。 （Fig. 3） Fig. 3 Fig. 2 Driver Connector 1 Leg Leg Bottom panel assy ASSY 2 2 3 3 CB1 CB2 CB3 CB4 CB5 MAIN (1) P.C.B.MAIN (2) P.C.B. d.14本外、引出。 （Fig. 2） e. 端子接続外 。 （Fig. 2） d. Remove 4 screws (1) and then pull out the driver. (Fig. 2) e. Disconnect

35、 the connector connected to the terminal of the Driver. (Fig. 2) YST-FSW150/YST-FSW050 10 YST-FSW150/ YST-FSW050 3. ASSY外方 *ASSYASSY固定 。取外際、ASSY傷付 十分注意。 a. 2個外。 （Fig. 4） 一度外古使用。古 外場合、新交換。 b. 最初2箇所位置差込、 ASSY押上。 （Fig. 4） c. 次等使、徐上面押上、 ASSY取外。 （Fig. 4） 注意： ASSY取外際、等使 使取外、 ASSY破損場合。 ASSY 取付場合、 ASSY速乾塗取

36、付。 （ASSY速乾 塗差込、簡単外 。） 3. Removal of front panel assy *The front panel assy is fixed to the cabinet assy with dowels. As a flatblade screwdriver is used for removal, use special care not to cause damage to the cabinet assy. a. Remove 2 bushings. (Fig. 4) *Used bushing, once removed, cannot be reused.

37、 Be sure to use a new bushing in place of the removed used bushing. b. First, insert a flatblade screwdriver at 2 dowel positions and push up the front panel assy. (Fig. 4) c. Next, using the metalblade or the like, push the front panel assy upward until it comes off. (Fig. 4) Note: Removing the fro

38、nt panel assy with the flatblade screwdriver only without using the metalblade or the like may cause a damage to the front panel assy. When installing the front panel assy, apply quick-drying bond or the like to dowels and then fit them into dowel holes for secure instal- lation. (The front panel as

39、sy will come off eas- ily if its dowels are fitted into dowel holes with- out applying quick-drying bond or the like.) Fig. 4 Bushing Front panel assy ASSY Metalblade Flatblade screwdriver Dowel Dowel YST-FSW150 Bushing Front panel assy ASSY Metalblade Flatblade screwdriver Dowel YST-FSW050 Dowel YS

40、T-FSW150/YST-FSW050 11 YST-FSW150/ YST-FSW050 Fig. 5 4. ASSY外方 a.48本外。 （Fig. 5） 取外4矢印 （ ） 印刷。 b. ASSY取外。 （Fig. 5） c. 2個外。 （Fig. 5） 一度外古使用。古 外場合、新交換。 d.54本外、取外。 （Fig. 5） 4. Removal of rear panel assy a. Remove 8 screws (4). (Fig. 5) *Screws (4) are identified with arrow marks ( ). b. Remove the rear

41、panel assy. (Fig. 5) c. Remove 2 bushings. (Fig. 5) *Used bushing, once removed, cannot be reused. Be sure to use a new bushing in place of the removed used bushing. d. Remove 4 screws (5) and then remove the rear cover. (Fig. 5) Rear panel assy ASSY Rear cover Bushing 4 4 5 When Checking the P.C.B.

42、: Connect all the connectors removed during disassem- bly back to the original positions. Spread the rubber sheet and cloth for insulation pur- pose and place the bottom panel assy, front panel assy and rear panel assy on them. (Fig. 6) P.C.B.場合 分解際外元通接続。 絶縁布敷、上 ASSY、ASSY、ASSY置 。 （Fig. 6） Fig. 6 Rubber sheet and cloth 布 Rear panel assy ASSY Front panel assy ASSY Bottom panel assy ASSY YST-FSW150/YST-FSW050 12 YST-FSW150/ YST-FSW050 I BLOCK DIAGRAM IC3 7 5 6 - - - - + + - L.P.F. 6dB/oct H.P.F. 12dB/oct DRIVER WOOFER INPUT PJ1 VR1 VOLUME POWER AMP. RY1 PROTECTION 3 2 10 9 1