Yamaha-AS60_112T-pwr-sm(1) 维修电路原理图.pdf

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1、AS60-112T1SERVICE MANUALNV01166020021110-449000.249K-4111 Printed in Japan 02.11HAMAMATSU, JAPAN CONTENTSSPECIFICATIONS. 3PANEL LAYOUT. 4BLOCK DIAGRAM. 4CIRCUIT BOARD LAYOUT. 5WIRING. 5DISASSEMBLY PROCEDURE. 6IC BLOCK DIAGRAM. 7CIRCUIT BOARDS. 8IDLING ADJUSTMENT. 10OVERALL CIRCUIT DIAGRAMPARTS LIST（

2、ECF：無塩素系漂白）使用。?This document is printed on chlorine free (ECF) paper.（総合仕様）（）（）（）（結線図）（分解手順）（IC図）（基板図）（調整）（総回路図）（目次）RadioFans.CN 收音机爱 好者资料库2AS60-112TIMPORTANT NOTICEThis manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumedthat basic ser

3、vice procedures inherent to the industry, and more specifically Yamaha Products, are already known and under-stood 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 per-sonal injury, destr

4、uction of expensive components and failure of the product to perform as specified. Forthese reasons, we advise all Yamaha product owners that all service required should be performed by anauthorized Yamaha Retailer or the appointed service representative.IMPORTANT :This presentation or sale of this

5、manual to any individual or firm does not constitute authorization certifi-cation, recognition of any applicable technical capabilities, or establish a principal-agent relationship ofany form.The data provided is belived to be accurate and applicable to the unit(s) indicated on the cover. The resear

6、ch engineering, andservice departments of Yamaha are continually striving to improve Yamaha products. Modifications are, therefore, inevitableand changes in specification are subject to change without notice or obligation to retrofit. Should any discrepancy appear toexist, please contact the distrib

7、utors Service Division.WARNING :Static discharges can destroy expensive components. Discharge any static electricity your body may haveaccumulated by grounding yourself to the ground bus in the unit (heavy gauge black wires connect tothis bus.)IMPORTANT :Turn the unit OFF during disassembly and part

8、s replacement. Recheck all work before you apply powerto the unit.WARNING: CHEMICAL CONTENT NOTICE!The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (Whereapplicable) components may also contain traces of chemicals found by the C

9、alifornia Health and Welfare Agency (and possiblyother 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 REASON WHATSO EVER!Avoid prolonged, unprotected contact between solder and your skin

10、! When soldering, do not inhale solder fumes or exposeeyes to solder/flux vapor!If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handlingfood.WARNINGComponents having special characteristics are marked and must be replaced with par

11、ts having specification equal to thoseoriginally installed.IMPORTANT NOTICE FOR THE UNITED KINGDOMConnecting the Plug and CordWARNING: THIS APPARATUS MUST BE EARTHEDIMPORTANT. The wires in this mains lead are coloured inaccordance with the following code:GREEN-AND-YELLOW: EARTHBLUE: NEUTRALBROWN: LI

12、VEAs the colours of the wires in the mains lead of this apparatus may notcorrespond with the coloured markings identifying the terminals in yourplug proceed as follows:The wire which is coloured GREEN-and-YELLOW must be connectedto the terminal in the plug which is marked by the letter E or by thesa

13、fety earth symbol or colored GREEN or GREEN-and-YELLOW.The wire which is coloured BLUE must be connected to the terminalwhich is marked with the letter N or coloured BLACK.The wire which is coloured BROWN must be connected to the terminalwhich is marked with the letter L or coloured RED.印商品、安全維持重要部品

14、。交換場合、安全必指定部品使用下。RadioFans.CN 收音机爱 好者资料库AS60-112T3SPECIFICATIONSOutput Power60 WrmsSpeakers30 cm x 1, Dome Tweeter x 1Controller/SwitchVOLUME, TREBLE, MIDDLE, BASS, EQ ON/OFF, POWERConnection JacksINPUT : Standard Phone Mono JackLINE OUT : Standard Phone Mono JackInput Level/ImpedanceINPUT : 0 dBm /

15、 100 k Output Level/ImpedanceLINE OUT : 0 dBm / 1 k Power RequirementsU.S. and Canadian models : 120 V, 60 HzGeneral model : 230 V, 50 HzPower Consumption70 WDimensions (W x H x D)513 x 491 x 291 mm (20.2” x 19.3” x 101.5”)Weight15.0 kg (33 lbs 1 oz)（総合仕様）定格出力60Wrms30cm 1、1/VOLUME, TREBLE, MIDDLE, B

16、ASS,EQ ON/OFF, POWER接続端子INPUT : 標準LINE OUT : 標準入力/INPUT : 0dBm/100 k出力/LINE OUT : 0dBm/1 k電源AC 100V, 50/60Hz消費電力40 W寸法 （W x H x D）513491291 mm重量15.0 kg4AS60-112TPANEL LAYOUTControl Panelq INPUT Jack (INPUT)w Volume Control (VOLUME)e Equalizer Switch (EQ ON/OFF)r Equalizer Controls (TREBLE, MIDDLE, B

17、ASS)t Expansion Output Jack (LINE OUT)y Power Switch & Lamp (POWER)BLOCK DIAGRAMMAININPUTJK131IC1 1/2IC1 1/2, IC2VR4VR3VR1VR1SW2BASSMID TREBLEEQ OFF-ONVOLUMEMUTETR1, 2, 3LINEOUTJK2SW1CN1CN4POWER AMPSPEAKER (WOOFER)SPEAKER (TWEETER)POWERSWITCHAC INPUTPOWER SUPPLY CIRCUITACTIVE TYPETONE CONTROLqwerty（

18、）q 入力端子（INPUT）w （VOLUME）e （EQ ON/OFF）r （TREBLE, MIDDLE, BASS）t 増設用出力端子（LINE OUT）y 電源（POWER）（）（ ）AS60-112T5WIRINGCIRCUIT BOARD LAYOUT1/4MAIN1/4MAIN2/4MAIN2/4MAIN4/4MAIN4/4MAIN3/4MAIN3/4MAINW2W4W6CN3CN2CN1W1 W3W5 BT1BT21/4MAIN3/4MAIN2/4MAIN4/4MAINW1W2W3W4W5W6150BT1REF No.PART No.VZ461100 (J)XX205660 (

19、U)VV058200 (H)VV058300 (B)WA333700V3632400(V363250)(V620410)(V363250)TERMIANLAC CordAC CordAC CordAC CordSpeakerBT1, BT2MAIN 1/4 W1MAIN 1/4 W3MAIN 1/4 W5CN1CN1CN1CN1SpeakerSpeakerMAIN 2/4 W2MAIN 3/4 W4MAIN 4/4 W62P L=3003P L=2003P L=1503P L=200（端子）（行先）DESTINATIONREMARKSW1W2W3W4W5W6150155BT1155（結線図）（

20、）6AS60-112TDISASSEMBLY PROCEDUREA.External fittings1.Handle assembly (Time required: about 1 minutes)1-1.Remove the two (2) screws marked G70 andremove the handle. (Fig. 1)2.Corner metal fixture(Time required: about 1 minutes)2-1.Remove the two (2) screws marked G50 andremove the corner metal fixtur

21、e. (Fig. 1)3.Leg (Time required: about 1 minutes)3-1.Remove the one (1) screw marked G110 andremove the leg. (Fig. 1)G50: Oval Head Tapping Screw-1 3.5X16 MFN133 (V3833600)G70: Oval Head Screw 5.0X25 FNM3-2B (V3743700)G110: Truss Head Tapping Screw-1 4.0X20 MFZN2BL (O3747290)Fig.14.Amplifier Unit (T

22、ime required: about 3 minutes)4-1.Remove the four (4) screws marked 80 and four(4) angle washers marked 90 from the rear panel.(Fig. 2)4-2.Remove the four (4) screws marked 30 and four(4) angle washers marked 40 from the top panel.(fig. 2)5.Speaker (Woofer, Tweeter)(Time required: about 3 minutes)5-

23、1.Remove the four (4) screws marked 120A and four(4) angle washers marked 90 from the rear panel.(Fig. 2)5-2.Remove the four (4) screws marked 120A. Thespeaker (Woofer) can then be removed. (Fig. 2)5-3.Remove the four (4) screws marked 120B. Thespeaker (Tweeter) can then be removed. (Fig. 2)Fig.230:

24、 Oval Head Screw 5.0X35 MFV2BL (V3749300)40: Washer 5S MFC2BL (EW300020)80: Oval Head Tapping Screw-1 4.0X30 MFC2BL (V3749400)90: Washer 4S MFC2BL (VB890200)120: Hexagonal Nut 4.0 MFZN2Y (O3760900)G110G50G7080908090120A120B30403040（分解手順）A.外装 (所要時間:約1 分)1.取手 Assy1-1.G70本外、取手Assy 外。(図)2.金具 (所要時間:約1 分)

25、2-1.G50本外、 金具外。(図)3.脚 (所要時間:約1 分)3-1.G110本外、 脚取外。 (図) +丸皿種 +丸皿小 +種（図1） +丸皿尖先小 山形 +丸皿種 山形 付六角（図2）4. (所要時間:約3 分)4-1.裏板80本山形90個外。 (図)4-2.天板30本山形40個外、外。 (図)5.（、） (所要時間:約3 分)5-1.裏板80本山形90個外。 (図)5-2.120A付六角本外、 （）外。 (図2)5-3.120B付六角本外、 （）外。 (図2)AS60-112T7B.Amplifier Unit6.MAIN circuit board 1/4(Time require

26、d: about 5 minutes)6-1.Remove the amplifier unit (See Item 4 above.)6-2.Remove the four (4) screws marked 30, four (4) knobsof Rotary variable resisters, four (4) hexagonal nuts andone (1) each of INPUT and LINE OUT hexagonal nuts.The MAIN circuit board 1/4 can then be removed. (Fig. 3)7.MAIN Circui

27、t Boards 2/4, 3/4, 4/4(Time required: about 4 minutes)7-1.Remove the amplifier unit. (See Item 4 above.)7-2.Remove the one (1) screw marked 210 from eachcircuit board, which can then be removed. (Fig. 3)8.Power Transformer (Time required: about 4 minutes)8-1.Remove the amplifier unit. (See Item 4 ab

28、ove.)8-2.Remove the four (4) screws marked 190A. Thepower transformer can then be removed. (Fig. 3)9.Heat Sink (Time required: about 6 minutes)9-1.Remove the amplifier unit. (See Item 4 above.)9-2.Remove MAIN circuit boards 2/4, 3/4 and 4/4.(See Item 7 above)9-3.Remove the three (3) screws marked 19

29、0B. Theheat sink can then be removed. (Fig. 3)Fig.330: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (EP600190)190: Bind Head Tapping Screw-C 4.0X8 MFZN2BL (VC688900)210: Bind Head Screw SP3.0X12 MFZN2Y (VB763800)IC BLOCK DIAGRAMRC4558D-V (IG001390)IC1, IC2OP AMP1234-V+V8765Output ANon-InvertingInput A-DC

30、 Voltage Supply+DC VoltageSupplyOutput BInvertingInput BNon-InvertingInput BInvertingInput A+-+-190B303030190A190A30190B190B190A210210210Hexagonal nutINPUTSLAVE OUTKnob（特殊六角）（）Hexagonal nut（特殊六角）1/4MAIN2/4MAIN3/4MAIN4/4MAIN +B +C+小（図3）（IC図）B.6.MAIN 1/4 (所要時間:約 5 分)6-1.外。 (項参照)6-2.30本 VR 個及特殊六角4個INPU

31、T、LINE OUT特殊六角各1個外、MAIN 1/4外。 (図)7.MAIN 2/4, 3/4, 4/4 (所要時間:約4 分)7-1.外。 (項参照)7-2.210各1個外、 外。 (図)8.電源 (所要時間:約4 分)8-1.外。 (項参照)8-2.190A本外、電源外。 (図)9. (所要時間:約6 分)9-1.外。 (項参照)9-2.MAIN 2/4, 3/4, 4/4外。 (7項参照)9-3.190B本外、外。 (図)8AS60-112TCIRCUIT BOARDS MAIN Circuit BoardINPUTEQON/OFFVOLUMETREBLEEQUALIZER CONTR

32、OLMIDDLECN4: N.C.IdlingAdjustmentAA MAIN 1/4 MAIN 2/4Component side（基板図）（部品側）AS60-112T9LINE OUTPOWERON/OFFBASSCN3: to Power TransformerCN2: to Power TransformerCN1: to AC CordAAComponent side MAIN 3/4 MAIN 4/4Component sideComponent sideMAIN: CNA-V755090 2（部品側）（部品側）（部品側）10AS60-112TIDLING ADJUSTMENT1

33、. Turn the idling adjustment volume (VR5) counterclockwisefully.2. Adjust the VR5 so that the DC voltage between theterminals of the CN4 is 5mV.（調整）1.調整用(VR5)左側廻切。2.CN4両端DC電圧5mVVR5調整。 6543HFGEDCBAAHGFEDCB12AS60-112T OVERALL CIRCUIT DIAGRAMAS60-112TAS60-112TAS60-112TDestination Power TransformerX0239

34、B00X0240B00X0241B00X0241B00BlackBrownBlueGreen/YellowBrownBlueGreen/YellowWhiteSPEAKER (Woofer)SPEAKER (Tweeter)Woofer: 9Tweeter: 81/250C140+BlackWhiteGreenPower CordCord BushLINE OUTDestinationPowerTransformerPower ON/OFFPowerIdlingAdjustmentOP AMPOP AMPOP AMPOP AMPKEC-54236()(B)(抵抗)(不燃化抵抗)(酸金抵抗)(規

35、格認定)(PP)():():抵抗:酸金:規格認定:(PP):Ceramic Cap.-BMylar CapacitorWire Wound ResistorFlame Proof Carbon ResistorMetal Oxide Film ResistorCapacitorPolypropylen Capacitor1/4MAIN2/4MAIN3/4MAIN4/4MAIN1+ WARNINGComponents having special characteristics are marked and must be replaced with parts havingspecificat

36、ion equal to those originally installed.Notes : DESTINATION ABBREVIATIONSThe numbers “QTY” show quantities for each unit.The parts with “-” in “PART NO.” are not available as spare parts.This mark “ ” in the REMARKS column means these parts are interchangeable.The second letter of the shaded () part

37、 number is O, not zero.The second letter of the shaded () part number is I, not one.M:South African modelO:Chinese modelQ:South-east Asia modelT :Taiwan modelU :U.S.A. modelV :General export model (110V)W:General export model (220)N,X : General export modelY :Export modelA :Australian modelB :Britis

38、h modelC :Canadian modelD :German modelE :European modelF :French modelH :North European modelI :Indonesian modelJ :Japanese modelPARTS LIST CONTENTSOVERALL ASSEMBLY. 2AMPLIFIER UNIT. 4ELECTRICAL PARTS. 6?印部品、安全維持重要部品。交換場合、安全必指定部品使用下。部品価格、変更。Remarks欄記数字、用品部品準備。PART NO.“-”部分、用部品準備。REMARKS欄 部品、併用部品。網掛

39、付PART NO. 2番目文字。網掛付PART NO. 2番目文字、。（目次）（総組立）（）（電気部品）AS60-112T2OVERALL ASSEMBLY1201001551030409070807011012015560502070G70G20G90G60G10G80G50G50G40G100G110160G30Amplifier Unit (See page 4)（4参照）（総組立）AS60-112T3: New PartsREF NO.PART NO.DESCRIPTIONREMARKSQTYRANKRANK: Japan only*OVERALL ASSEMBLYAS60-112TO

40、verall AssemblyJ(V940870)Overall AssemblyU(V940880)Overall AssemblyH(V940890)Overall AssemblyB(V940900)10Amplifier UnitJ(V940910)10Amplifier UnitU(V940930)10Amplifier UnitH(V940940)10Amplifier UnitB(V940950)20Cabinet Overall Assembly(V941020)G10Cabinet Assembly(V941030)G20Vinyl LeatherPVC#507(V36943

41、0)G30Saran Net#1059(V369860)G40Corner Protector803G50Oval Head Tapping Screw-13.5X16 MFNI331601G60Handle Assembly06G70Oval Head Screw.0X25 FNM3-2B201G80Screw4.0X40 MFC2BL8G90Truss Head Tapping Screw-14.0X30 MFZN2Y601G100LegEMX640401G110Truss Head Tapping Screw-14.0X20 MFZN2BL40130Oval Head Screw5.0X

42、35 MFC2BL440Washer5S MFC2BL40150Name PlateGA/BA60Badge70Truss Head Tapping Screw-13.0X10 FCM3-BL780Oval Head Tapping Screw-14.0X30 MFC2BL890Washer4S MFC2BL801100Speaker30cm 9ohm 60WWOOFER110Speaker38mm 8ohm 40WTWEETER120Hexagonal Nut4.0 MFZN2Y801155Connector Assembly160LabelU03-V3694400V3833600V3630

43、300V3743700V374950003747400VV08560003747290V3749300EW300020V3624100V9471700V3623800V3749400VB890200X3016A00X3017A0003760900WA333700VA039300部品名総組立総組立（）総組立（）総組立（）総組立（） （ ）（） （ ）（）外装総組立一式本体集成金具丸皿種取手丸皿小 種 種 丸 皿 尖 先 小 山形 種丸皿種山形 付 六 角 線材端子AS60-112T4AMPLIFIER UNIT2020190210200200180100220130170160150901101

44、2030140155190701540103050608080210MAIN 1/4MAIN 4/4MAIN 2/4MAIN 3/42020（）AS60-112T5: New PartsREF NO.PART NO.DESCRIPTIONREMARKSQTYRANK*Amplifier UnitJ(V940910)Amplifier UnitU(V940930)Amplifier UnitH(V940940)Amplifier UnitB(V940950)10ChassisJ10ChassisU10ChassisH,B15Vibration-proof Tape(V941080)220Circ

45、uit Board AssemblyMAINJ,U1220Circuit Board AssemblyMAINH,B1230Bind Head Tapping Screw-B3.0X8 MFZN2BL50140KnobCHVOLUME40250Button GraySEQ OFF/ON0160Power Switch KnobMX12/4POWER ON/OFF0170Escutcheon, Power SwitchMX12/40280Film, Power Switch13X8X0.15290Hexagonal Nut9.0 12X2 MFNI3301100Flat Washer9X14 0

46、.5 FNM301110Toothed Lock Washer-A9.0 MFZN2Y01120Hexagonal Nut12.0 14X2 MFC2BL01130Insulation Sheet140TransformerJ10140TransformerU10140TransformerH,B10150AC CordJ VCTF 2X0.75 7AJ05150AC CordUC SJT 3X#18 10AU06150AC CordE H05VV-F3X0.75 6AH06150AC CordBS H05VV-F3X0.75B08155Bind Head ScrewA4.0X8 MFZN2B

47、LU,H,B01160Cord Strain ReliefSR-5R1J,H,B01160Cord Strain ReliefSR-6P1U01170Cord Strain ReliefSR-4N-401180Heat SinkDG60FX-112(V612570)190Bind Head Tapping Screw-CA4.0X8 MFZN2BL701200Insulation SheetUNISHEET T=0.152210Bind Head ScrewSP 3.0X12 MFZN2Y301220Cord HolderCV-100301-V9410400V9410500V9410600-V

48、7550900V7551000EP600190V3694100VZ429100VU859000VU859100V4126900LX200060VL802300ET800150VD794100V3755700X0239B00X0240B00X0241B00VZ461100VV205600VV058200VV058300VP156800VV103000VV103100CB072750-VC688900V3637600VB763800VV104600RANK: Japan only部品名 （ ）（） （ ）（） （ ） （ ） （ ）防振集成 集 成 （）（） 特殊六角特殊平座金歯 付 座 金 内

49、歯 形特殊六角絶縁電 源 電 源 電源電源電源電源電源 小 放熱 小 AS60-112T6REF NO.PART NO.DESCRIPTIONREMARKSQTYRANKELECTRICAL PARTS: New PartsRANK: Japan onlyELECTRICAL PARTSCircuit Board AssemblyMAINJ,U(X0097B0)12Circuit Board AssemblyMAINH,B12Fuse HolderCQ-05CT601Jumper Wire0.60(VV29140)1701BT1Connector Assembly KitSP #18 2P L

50、 300C01Electrolytic Cap. 1.00 50.0V01C02Ceramic Capacitor-SL 100P 50V J01C03Ceramic Capacitor-SL 100P 50V J01C04Electrolytic Cap. 1.00 50.0V01C05Ceramic Cap.-B 1000P 50V K01C06Electrolytic Cap. 10.00 25.0V01C07Electrolytic Cap. 3.30 50.0V01C08Mylar Capacitor 6800P 50V J01C09Electrolytic Cap. 0.33 50