Yamaha-AS-2100-Service-Manual电路原理图.pdf

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1、P.O.Box 1, Hamamatsu, Japan SERVICE MANUAL INTEGRATED AMPLIFIER A-S2100 101 3 0 3 14.07 CONTENTS TO SERVICE PERSONNEL .2 FRONT PANELS .3 REAR PANELS .46 REMOTE CONTROL PANEL .7 SPECIFICATIONS / 参考仕様 .78 INTERNAL VIEW .9 SERVICE PRECAUTIONS / 時注意事項 .10 DISASSEMBLY PROCEDURES / 分解手順 .1123 UPDATING FIR

2、MWARE / .2428 SELF-DIAGNOSTIC FUNCTION / （自己診断機能） .2940 AMPLIFIER ADJUSTMENT / 調整 .4143 IC DATA .4449 BLOCK DIAGRAMS .5051 WIRING DIAGRAMS .5253 PRINTED CIRCUIT BOARDS .5473 PIN CONNECTION DIAGRAMS .74 SCHEMATIC DIAGRAMS .7583 REPLACEMENT PARTS LIST . 85112 REMOTE CONTROL . 113 IMPORTANT NOTICE This

3、 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 specifi cally Yamaha Products, are already known and understood by the users, and have therefore not been restated. W

4、ARNING: 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 specifi ed. For these reasons, we advise all Yamaha product owners that any service required sh

5、ould be performed by an authorized Yamaha Retailer or the appointed service representative. IMPORTANT: The presentation or sale of this manual to any individual or fi rm does not constitute authorization, certifi cation or recognition of any applicable technical capabilities, or establish a principl

6、e-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. Modifi cations are, therefore, inevitable and specifi

7、 cations are subject to change without notice or obligation to retrofi t. 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 by groundin

8、g 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. A-S2100 RadioFans.CN 收音机爱 好者资料库 This product contains chemicals known to the State of C

9、alifornia to cause cancer, or birth defects or other reproductive harm. DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHATSOEVER! Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose ey

10、es 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. 1. Critical Components Information Components having special characteristics are marked and must be replaced with parts having specifications

11、equal 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. Meter impedance should be equivalent to 1500 ohms shunted by 0.15 F

12、. TO SERVICE PERSONNEL Leakage current must not exceed 0.5mA. Be sure to test for leakage with the AC plug in both polarities. WARNING: CHEMICAL CONTENT NOTICE! WALL OUTLET EQUIPMENT UNDER TEST AC LEAKAGE TESTER OR EQUIVALENT INSULATING TABLE 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

13、+Cu（錫 + 銅） Sn+Zn+Bi（錫 + 亜鉛 + ） 注意： 無鉛融点温度通常鉛入比 30 40程度高、 合 使用。 All of the P.C.B.s installed in this unit and solder joints are soldered using the 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 +

14、Ag + Cu (tin + silver + copper) Sn + Cu (tin + copper) Sn + Zn + Bi (tin + zinc + bismuth) Caution: As the melting point temperature of the lead free 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

15、solder / 無鉛 For U model “CAUTION” “F1: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 10A, 125V FUSE.” For C model CAUTION F1: REPLACE WITH SAME TYPE 10A, 125V FUSE. ATTENTION F1: UTILISER UN FUSIBLE DE RECHANGE DE MME TYPE DE 10A, 125V. 2 A-S2100 A-S2100 RadioFans.CN 收音机

16、爱 好者资料库 FRONT PANELS U, K, A, B, G, L, V, S, J models T model 3 A-S2100 A-S2100 REAR PANELS U model K model T model 4 A-S2100 A-S2100 A model B, G models L model 5 A-S2100 A-S2100 V model J model S model 6 A-S2100 A-S2100 REMOTE CONTROL PANEL RAS31 SPECIFICATIONS / 参考仕様 Audio Section / 部 Rated Outpu

17、t Power / 定格出力 (20 Hz to 20 kHz, 0.07 % THD) U, T, K, A, B, G, V, S, J models 8 ohms .90 W + 90 W 4 ohms .150 W + 150 W L model 8 ohms .90 W + 90 W 6 ohms .110 W + 110 W Dynamic Power Per Channel / (IHF) 8 ohms .105 W + 105 W 6 ohms .135 W + 135 W 4 ohms .190 W + 190 W 2 ohms .220 W + 220 W Dynamic

18、Headroom / 8 ohms .0.67 dB Maximum Output Power (1 kHz, 0.7 % THD) B, G models 4 ohms .160 W + 160 W IEC Output Power (1 kHz, 0.02 % THD) B, G models 8 ohms 95 W + 95 W Maximum Effective Output Power / 実用最大出力 (JEITA) (1 kHz, 10 % THD) T, K, B, L, V, S, J models 8 ohms .120 W + 120 W 4 ohms .190 W +

19、190 W Power Bandwidth / 出力帯域幅 (0.1 % THD / 45 W, MAIN L/R drive) 8 ohms .10 Hz to 50 kHz Damping Factor / (1 kHz) 8 ohms .250 or more Input Sensitivity/Input Impedance / 入力感度入力 PHONO (MC) . 100 Vrms / 50 ohms (MM) . 2.5 mVrms / 47 k-ohms CD, etc. . 200 mVrms / 47 k-ohms MAIN IN . 1.0 Vrms / 47 k-ohm

20、s BAL (balanced) . 200 mVrms / 100 k-ohms Maximum Input Signal Voltage / 最大許容入力電圧 (1 kHz, 0.5 % THD) PHONO (MC) .2.2 mVrms (MM) .50 mVrms CD, etc. .2.80 mVrms BAL (balanced) BYPASS .2.80 mVrms ATT. (-6 dB) .5.60 mVrms Rated Output Voltage/Output Impedance / 定格出力電圧出力 REC OUT . 200 mVrms / 1.5 k-ohms

21、PRE OUT . 1.0 Vrms / 1.5 k-ohms Headphone Jack Rated Output Power / 定格出力 (1 kHz, 32 ohms, 0.2 % THD) CD, etc. .50 mW + 50 mW Frequency Response / 周波数特性 CD, etc. (5 Hz to 100 kHz) .+0 / -3 dB (20 Hz to 20 kHz) .+0 / -0.3 dB Deviations from RIAA Equalizer / RIAA 偏差 PHONO (MC) . 0.5 dB (MM) . 0.5 dB 7

22、A-S2100 A-S2100 Total Harmonic Distortion / 全高調波歪率 (20 Hz to 20 kHz) PHONO (MC) to REC OUT (1.2 Vrms) .0.02 % (MM) to REC OUT (1.2 Vrms) .0.005 % CD, etc. to SP OUT (50 W/8 ohms) .0.025 % BAL (balanced) to SP OUT (50 W/8 ohms) .0.025 % Signal to Noise Ratio / 信号対雑音比 (IHF-A network) PHONO (MC) (Input

23、 shorted, 500 Vrms) .85 dB (MM) (Input shorted, 5 mVrms) .93 dB CD, etc. (Input shorted, 200 mVrms) .103 dB Residual Noise / 残留 (IHF-A network) .33 Vrms Channel Separation / (1 kHz/10 kHz) PHONO (MC) (Input shorted, Vol: -30 dB) .66 dB or more / 77 dB or more (MM) (Input shorted, Vol: -30 dB) .90 dB

24、 or more / 77 dB or more CD, etc. (Input 5.1 k-ohms terminated) .74 dB or more / 54 dB or more Tone Control Characteristics / 特性 Bass Boost/Cut .9 dB, at 50 Hz Turnover frequency .350 Hz Treble Boost/Cut .9 dB, at 20 kHz Turnover frequency .3.5 kHz General / 総合 Power Supply / 電源電圧 U model .AC 120 V,

25、 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 L model . AC 220240 V, 50/60 Hz V model .AC 110 V, 60 Hz S model . AC 110120 V, 60 Hz J model .AC 100 V, 50/60 Hz Power Consumption / 消費電力 U model .350 W/500 VA T, K, A, B, G, V, S, J model

26、s .350 W L model .250 W Standby Power Consumption (reference data) / 待機時消費電力（参考値） .0.3 W Maximum Power Consumption (1 kHz, 4 ohms, 10 % THD) V model .700 W Dimensions (W x H x D) / 寸法（幅高奥行） .435 x 157 x 463 mm (17-1/8 x 6-1/8 x 18-1/4) Weight / 質量 .23.4 kg (51.6 lbs.) DIMENSIONS / 寸法図 Unit: mm (inch

27、) 単位 ： mm（） Finish / 仕上 U, A, B, G, L, V, S, J models .Black/Dark brown color U, A, B, G, L, J models .Black/Piano black color U, A, B, G, L, V, J models .Silver/Birch color U, T, K, A, B, G, L, J models .Silver/Piano black color Color: Front and top panels / Side panel Accessories / 付属品 Remote cont

28、rol .x 1 Battery (R03, AAA, UM-4) .x 2 Power cable (2 m) (U, T, K, A, B, G, V, S models) .x 1 (L model) .x 2 (1.5 m) (J model) .x 1 * Specifications are subject to change without notice. 参考仕様外観、製品改良予告変更 。 U .U.S.A. and Canadian model T .Chinese model K .Korean model A .Australian model B .British mo

29、del G .European model L .Singapore model V .Taiwan model S .Brazilian model J .Japanese model Front view Top view 435 (17-1/8) 157 (6-1/8) 140 (5-1/2) 17 (5/8) 45 317 (12-1/2)56 (2-1/4) 45 (1-3/4) 418 (16-1/2) 463 (18-1/4) 25 (1) 20 (3/4) 325 (12-3/4)55 (2-1/8) 8 A-S2100 A-S2100 INTERNAL VIEW INPUT

30、(2) P.C.B. INPUT (1) P.C.B. FRONT (17) P.C.B. FUNCTION (2) P.C.B. FRONT (16) P.C.B. FRONT (20) P.C.B. FUNCTION (3) P.C.B. FUNCTION (1) P.C.B. MAIN (3) P.C.B. MAIN (1) P.C.B. POWER TRANSFORMER MAIN (2) P.C.B. FRONT (18) P.C.B. FRONT (19) P.C.B. FRONT (13) P.C.B. FRONT (12) P.C.B. FRONT (1) P.C.B. MET

31、ER UNIT FRONT (15) P.C.B. FRONT (2) P.C.B. FRONT (3) P.C.B. FRONT (5) P.C.B. FRONT (6) P.C.B. FRONT (4) P.C.B. FRONT (7) P.C.B. FRONT (8) P.C.B. FRONT (9) P.C.B. FRONT (10) P.C.B. FRONT (11) P.C.B. FRONT (14) P.C.B. Top viewSide view Front view Rear view 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

32、19 20 21 22 23 24 25 26 27 28 29 30 12 8967 534 111014 1312 171519182016 27262324223028292125 9 A-S2100 A-S2100 SERVICE PRECAUTIONS / 時注意事項 安全対策 製品内部高電圧部分危険。修理 際、絶縁性手袋使用安全対策 行。 下記電源 OFF 後電荷残 、高電圧維持危険。 修理作業前放電用抵抗（5 k /10 W）下記各 端子間接続放電。 放電所用時間各約 30 秒間。 MAIN（3）P.C.B. C309、C310、 C317 C320、C327、C328 詳 “P

33、RINTED CIRCUIT BOARDS” 参照 。 Safety measures Some internal parts in this product contain high voltages and are dangerous. Be sure to take safety measures during servicing, such as wearing insulating gloves. Note that the capacitors indicated below are dangerous even after the power is turned off because an electric charge remains and a high