Yamaha-AS3000-int-sm(1) 维修电路原理图.pdf

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1、P.O.Box 1, Hamamatsu, JapanSERVICE MANUALINTEGRATED AMPLIFIERA-S30001 0 1 2 7413.10 CONTENTSTO SERVICE PERSONNEL .2FRONT PANELS .3REAR PANELS .46REMOTE CONTROL PANEL .7SPECIFICATIONS / 参考仕様 .78INTERNAL VIEW .9SERVICE PRECAUTIONS / 時注意事項 .9DISASSEMBLY PROCEDURES / 分解手順 .1020UPDATING FIRMWARE / .2125S

2、ELF-DIAGNOSTIC FUNCTION / （自己診断機能） .2631AMPLIFIER ADJUSTMENT / 調整 .3234IC DATA .3540PIN CONNECTION DIAGRAMS .41BLOCK DIAGRAMS .4243WIRING DIAGRAMS .4445PRINTED CIRCUIT BOARDS .4664SCHEMATIC DIAGRAMS .6571REPLACEMENT PARTS LIST .7399REMOTE CONTROL .100IMPORTANT NOTICEThis manual has been provided for

3、 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.WARNING: Failure to follow appro

4、priate 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 should be performed by an authori

5、zed 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 principle-agent relationship of any form

6、.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 cations are subject to change wi

7、thout 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 grounding yourself to the ground buss in t

8、he 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-S3000RadioFans.CN 收音机爱 好者资料库This product contains chemicals known to the State of California to cause cancer, or birth de

9、fects 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 eyes to solder/flux vapor!If you come in c

10、ontact with solder or components located inside the enclosure of this product, wash your hands before handling food.1. Critical Components InformationComponents having special characteristics are marked and must be replaced with parts having specifications equal to those originally installed.2. Leak

11、age 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. TO SERVICE PERSONNEL Leakage current must n

12、ot exceed 0.5mA. Be sure to test for leakage with the AC plug in both polarities.WARNING: CHEMICAL CONTENT NOTICE!WALLOUTLETEQUIPMENTUNDER TESTAC LEAKAGETESTER OREQUIVALENTINSULATINGTABLE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 30 40程度高、 合使用。

13、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 + Ag + Cu (tin + silver + copper) Sn + Cu (tin + copper) Sn + Zn +

14、 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 solder / 無鉛For U model“CAUTION”“F1: FOR CONTINUED PROTECTION AGAINS

15、T RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 10A, 125V FUSE.”For C modelCAUTIONF1: REPLACE WITH SAME TYPE 10A, 125V FUSE.ATTENTIONF1: UTILISER UN FUSIBLE DE RECHANGE DE MME TYPE DE 10A, 125V.2A-S3000A-S3000RadioFans.CN 收音机爱 好者资料库 FRONT PANELSU, K, A, B, G, L, V, J modelsT model3A-S3000A-S3000 REAR PA

16、NELSU modelK modelT model4A-S3000A-S3000A modelB, G modelsL model5A-S3000A-S3000V modelJ model6A-S3000A-S3000 REMOTE CONTROL PANELRAS30 SPECIFICATIONS / 参考仕様 Audio Section / 部Rated Output Power / 定格出力 (20 Hz to 20 kHz, 0.07 % THD)8 ohms .100 W + 100 W4 ohms .150 W + 150 WDynamic Power Per Channel /

17、(IHF)8 ohms .120 W + 120 W6 ohms .150 W + 150 W4 ohms .200 W + 200 W2 ohms .300 W + 300 WDynamic Headroom / 8 ohms .0.79 dBMaximum Power Per Channel (1 kHz, 0.7 % THD) B, G models4 ohms .170 W + 170 WIEC Output Power (1 kHz, 0.02 % THD) B, G models8 ohms .105 W + 105 WMaximum Effective Output Power

18、/ 実用最大出力 (JEITA)(1 kHz, 10 % THD) T, K, B, L, V, J models8 ohms .130 W + 130 W4 ohms .210 W + 210 WPower Bandwidth / 出力帯域幅 (0.1 % THD, 45 W / MAIN L/R drive)8 ohms .10 Hz to 60 kHzDamping Factor / (1 kHz)8 ohms .250 or moreInput Sensitivity/Input Impedance / 入力感度入力 (1 kHz, 10 % THD)PHONO (MC) . 100

19、Vrms / 50 ohms(MM) . 2.5 mVrms / 47 k-ohmsCD, etc. . 200 mVrms / 47 k-ohmsMAIN IN . 1 Vrms / 47 k-ohmsBAL (balanced) 1, 2 . 200 mVrms / 100 k-ohmsMaximum Power / 最大出力 (JEITA) (1 kHz, 10 % THD)T, L, V, J models8 ohms .120 W + 120 W4 ohms .190 W + 190 WMaximum Input Signal Voltage / 最大許容入力電圧 (1 kHz)PH

20、ONO (0.003 % THD) (MC) .2.3 mVrms(MM) .50 mVrmsCD, etc. (0.5 % THD) .2.80 mVrmsBAL (balanced) 1, 2 (0.5 % THD)BYPASS .2.80 mVrmsATT. (-6 dB) .5.60 mVrmsRated Output Voltage/Output Impedance / 定格出力電圧出力 REC OUT . 200 mVrms / 1.5 k-ohmsPRE OUT . 1.0 Vrms / 1.5 k-ohmsHeadphone Jack Rated Output Power /

21、定格出力 (1 kHz, 32 ohms, 0.2 % THD)CD, etc. .70 mW + 70 mWFrequency Response / 周波数特性 CD, etc. (5 Hz to 100 kHz) .+0 / -3 dB(20 Hz to 20 kHz) .+0 / -0.3 dB7A-S3000A-S3000Deviations from RIAA Equalizer / RIAA 偏差 PHONO (MC) . 0.5 dB(MM) . 0.5 dBTotal Harmonic Distortion / 全高調波歪率 (20 Hz to 20 kHz)PHONO (MC

22、) 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) 1, 2 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 shorted, 500 Vrms) .85 dB(MM) (Input shorted, 5 mVrms) .93 dBCD, etc. (Input

23、 shorted, 200 mVrms) .103 dBResidual Noise / 残留 (IHF-A network) .33 VrmsChannel 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 or more / 77 dB or moreCD, etc. (Input 5.1 k-ohms terminated) . 74 dB or more /

24、 54 dB or moreTone Control Characteristics / 特性 BassBoost/Cut .9 dB, at 50 HzTurnover frequency .350 HzTrebleBoost/Cut .9 dB, at 20 kHzTurnover frequency .3.5 kHz General / 総合Power Supply / 電源電圧 U model .AC 120 V, 60 HzT model .AC 220 V, 50 HzK model .AC 220 V, 60 HzA model .AC 240 V, 50 HzB, G mode

25、ls .AC 230 V, 50 HzL model . AC 220240 V, 50/60 HzV model .AC 110 V, 60 HzJ model .AC 100 V, 50/60 HzPower Consumption / 消費電力 U model .350 W/500 VAT, K, A, B, G, L, V, J models .350 WStandby Power Consumption (reference data) / 待機時消費電力（参考値） .0.3 WMaximum Power Consumption (1 kHz, 8 ohms, 10 % THD) V

26、 model .700 WDimensions (W x H x D) / 寸法（幅 高 奥行） .435 x 180 x 464 mm (17-1/8 x 7-1/8 x 18-1/4)U .U.S.A. modelT .Chinese modelK .Korean modelA .Australian modelB .British modelG .European modelL .Singapore modelV . Taiwan modelJ .Japanese model DIMENSIONS / 寸法図Unit: mm (inch)単位 ： mm（）Weight / 質量 .24.

27、6 kg (54.2 lbs.)Finish / 仕上 K, A, G, L, V models .Black/Dark brown colorU, T, A, B, G, L, V, J models .Black/Piano black colorK, A, G, L, V models .Silver/Birch colorU, T, A, B, G, L, V, J models .Silver/Piano black colorColor: Front and top panels / Side panelAccessories / 付属品Remote control .x 1Bat

28、tery (R03, AAA, UM-4) .x 2Power cable (2.0 m) (U, T, K, A, B, G, L, V models) .x 1(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。435 (17-1/8)Front viewTop view 45319 (12-1/2)54(2-1/8)48(1-7/8)421 (16-5/8)464 (18-1/4)180 (7-1/8)160 (6-1/4)23(7/8)20(3/4)20

29、(3/4)325 (12-3/4)55(2-1/8)8A-S3000A-S3000 INTERNAL VIEW 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. C317 C320詳 “PRINTED CIRCUIT BOARDS” 参照。Safety measures Some internal parts in this product contain

30、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 voltage continues to exist there.Before startin

31、g any repair work, connect a discharging resistor (5 k-ohms/10 W) to the terminals of each capacitor indicated below to discharge electricity.The time required for discharging is about 30 seconds per each.C317 to C320 on MAIN (3) P.C.B.For details, refer to “PRINTED CIRCUIT BOARDS”.INPUT (2) P.C.B.I

32、NPUT (1) P.C.B.FRONT (16) P.C.B. FUNCTION (2) P.C.B. FRONT (15) P.C.B. FUNCTION (1) P.C.B. INPUT (3) P.C.B.MAIN (1) P.C.B.MAIN (3) P.C.B.POWER TRANSFORMERMAIN (2) P.C.B.LED P.C.B.FRONT (1) P.C.B.METER UNITFRONT (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

33、.FRONT (8) P.C.B.FRONT (9) P.C.B.FRONT (10) P.C.B.FRONT (11) P.C.B.FRONT (12) P.C.B.FRONT (14) P.C.B.FRONT (13) P.C.B.Top viewFront viewRear view1234567891011121314151617181920212223242526271612132741017182122232426198162025279113515149A-S3000A-S3000 DISASSEMBLY PROCEDURES / 分解手順Fig. 1(Remove parts

34、in the order as numbered.)Disconnect the power cable from the AC outlet.1. Removal of Top Panela. Remove 3 screws (). (Fig. 1)b. Remove the top panel. (Fig. 1)2. Removal of Side Panel L and Side Panel Ra. Remove 3 screws (). (Fig. 1)b. Lift the side panel L a little, release hooks at 3 locations and

35、 then remove the side panel L. (Fig. 1)c. Remove 3 screws (). (Fig. 1)d. Lift the side panel R a little, release hooks at 3 locations and remove the side panel R. (Fig. 1)（番号順部品外。 ）AC 電源、電源抜。1. 外方a. 3 本外。 （Fig. 1）b. 外。 （Fig. 1）2. L、 R 外方a. 3 本外。 （Fig. 1）b. L 少持上、3 所外、 L 外。 （Fig. 1）c. 3 本外。 （Fig. 1）d

36、. R 少持上、3 所外、 R 外。 （Fig. 1）Top panel Side panel L LSide panel R RHookHook10A-S3000A-S3000Front panel unit CB406CB403CB401CB410CB405FRONT (12) P.C.B.FRONT (14) P.C.B.FRONT (1) P.C.B.HookHookVOLUME knob unit VOLUME INPUT knob unit INPUT TONE CONTROL knob unit TONE CONTROL 3. Removal of Front Panel Uni

37、ta. Remove 5 screws (). (Fig. 2)b. Remove CB401, CB403, CB405, CB406 and CB410. (Fig. 2)c. Remove the front panel unit. (Fig. 2)3. 外方a. 5 本外。 （Fig. 2）b. CB401、CB403、CB405、CB406、CB410 外。（Fig. 2）c. 外。 （Fig. 2）Fig. 211A-S3000A-S3000Fig. 3VOLUME knob unit VOLUME VOLUME knob unit VOLUME “VOLUME MAX.” pos

38、ition“VOLUME MAX.” 位置“VOLUME MIN.” position“VOLUME MIN.” 位置Position about -180 from “VOLUME MAX”position“VOLUME MAX.” 位置約 -180 位置Install/remove the lock set screw at this positionon the back of the front panel. 裏側箇所止取外取付行。Lock set screw止Lock set screw止Side viewVR401Cut 位置0.50.75 mmPointer指標Pointer指標

39、Front panelLock set screw止Hexagonal screwdriver6 角2mm When installing the knob unit* Prepare a hexagonal screwdriver (2 mm) for installation of knob unit.When installing the VOLUME knob unit:a. Turn the VOLUME (VR401) clockwise fully. (Fig. 3)b. Match the pointer in the VOLUME knob unit with the “VO

40、LUME MAX.” position and install it in that state. (Fig. 3)* At this time, do not tighten the lock set screw.c. Keep about 0.5 mm to 0.75 mm clearance from the front panel to VOLUME knob unit. (Fig. 3)d. Tighten the lock set screw. (Fig. 3)e. Match the pointer in the VOLUME knob unit with the positio

41、n about -180 from the “VOLUME MAX” position. (Fig. 3)f. Tighten the lock set screw. (Fig. 3)g. After installation, perform following checks. Turn the VOLUME knob unit both directions to check that it does not rub against the front panel. Turn the VOLUME knob unit clockwise fully and check that the p

42、ointer in it matches with the “VOLUME MAX.” position. Turn the VOLUME knob unit counterclockwise fully and check that the pointer in it matches with the “VOLUME MIN.” position. 取付場合 取付場合、6 角（2 mm）準備。VOLUME 取付場合：a. VOLUME （VR401） 右回。（Fig. 3）b. VOLUME 指標 “VOLUME MAX.” 位置合、取付。 （Fig. 3） 、止締。c. VOLUME 0.

43、5 0.75mm 程度隙間。 （Fig. 3）d. 止締。 （Fig. 3）e. VOLUME 指標 “VOLUME MAX.” 位置約 -180位置合。 （Fig. 3）f. 止締。 （Fig. 3）g. 取付後、次動作確認。 VOLUME 左右回、擦？ VOLUME 右回、VOLUME指標 “VOLUME MAX.” 位置合？ VOLUME 左回、VOLUME指標 “VOLUME MIN.” 位置合？12A-S3000A-S3000Fig. 4When installing the INPUT knob unit:a. Turn the INPUT (SW403) so that the

44、cut in it comes at the under. (Fig. 4)b. Install the INPUT knob unit with its lock set screw positioned at the under. (Fig. 4)* At this time, do not tighten the lock set screw.c. Keep about 0.5 mm to 0.75 mm clearance from the front panel to INPUT knob unit. (Fig. 4)d. Match the lock set screw posit

45、ion with the cut in INPUT (SW403) and tighten the lock set screw.(Fig. 4)e. Turn the INPUT knob unit by 180 degrees (6 clicks) and tighten another lock set screw. (Fig. 4)f. After installation, perform following checks. Turn the INPUT knob unit in both directions to check that it does not rub agains

46、t the front panel.INPUT 取付場合：a. INPUT（SW403）位置下回。 （Fig. 4）b. INPUT 止位置下取付。 （Fig. 4） 、止締。c. INPUT 0.5 0.75mm 程度隙間。 （Fig. 4）d. INPUT（SW403）位置止位置合、止締。 （Fig. 4）e. INPUT 180回転（6 ）、 1 止締。 （Fig. 4）f. 取付後、次動作確認。 INPUT 左右回、擦？Lock set screw止Bottom viewLock set screw止SW403Cut 位置Front panelFront panel0.50.75 mm

47、INPUT knob unit INPUT Install/remove the lock set screw at this positionon the back of the front panel. 裏側箇所止取外取付行。13A-S3000A-S3000Fig. 5When installing the BASS, TREBLE and BALANCE knob units:* Use the same installation procedure for BASS, TREBLE and BALANCE knob units.Described here is installatio

48、n of BALANCE knob unit as an example.a. Turn the BALANCE (VR403) in both directions and set it to the center position. (Fig. 5)* VR403 stops at the center position when it is turned in both directions.b. Match the pointer in the BALANCE knob unit with the center position of BALANCE and install it in

49、 that state. (Fig. 5)* At this time, do not tighten the lock set screw.c. Keep about 0.5 mm to 0.75 mm clearance from the front panel to BALANCE knob unit. (Fig. 5)d. Tighten the lock set screw of the BALANCE knob unit. (Fig. 5)e. After installation, perform following checks. Turn the BALANCE knob u

50、nit in both directions to check that it does not rub against the front panel. Turn the BALANCE knob unit counterclockwise fully and check that the pointer in it matches with the “BALANCE L” position. Turn the BALANCE knob unit clockwise fully and check that the pointer in it matches with the “BALANC