Yamaha-AS-60-112-T-Service-Manual电路原理图.pdf

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1、AS60-112T 1 SERVICE MANUAL NV 011660 20021110-44900 0.249K-4111 Printed in Japan 02.11 HAMAMATSU, JAPAN CONTENTS SPECIFICATIONS. 3 PANEL LAYOUT. 4 BLOCK DIAGRAM. 4 CIRCUIT BOARD LAYOUT. 5 WIRING. 5 DISASSEMBLY PROCEDURE. 6 IC BLOCK DIAGRAM. 7 CIRCUIT BOARDS. 8 IDLING ADJUSTMENT. 10 OVERALL CIRCUIT D

2、IAGRAM PARTS LIST （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 2 AS60-112T IMPORTANT NOTICE This manual has been provided for the use of authorized Yamaha Retai

3、lers 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 under- stood by the users, and have therefore not been restated. WARNING :Failure to follow appropriate service and safety proced

4、ures when servicing this product may result in per- sonal injury, destruction of expensive components and failure of the product to perform as specified. For these reasons, we advise all Yamaha product owners that all service required should be performed by an authorized Yamaha Retailer or the appoi

5、nted service representative. IMPORTANT :This presentation or sale of this manual to any individual or firm does not constitute authorization certifi- cation, recognition of any applicable technical capabilities, or establish a principal-agent relationship of any form. The data provided is belived to

6、 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, inevitable and changes in specification are subject to change without notice or obligation

7、 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 by grounding yourself to the ground bus in the unit (heavy gauge black

8、wires connect to this bus.) IMPORTANT :Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply power to the unit. WARNING: CHEMICAL CONTENT NOTICE! The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or p

9、lastic (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 defects or other reproductive harm. DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FO

10、R ANY REASON WHAT SO EVER! 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 contact with solder or components located inside the enclosure of this product, wash your hands before handling

11、 food. WARNING Components having special characteristics are marked and must be replaced with parts having specification equal to those originally installed. IMPORTANT NOTICE FOR THE UNITED KINGDOM Connecting the Plug and Cord WARNING: THIS APPARATUS MUST BE EARTHED IMPORTANT. The wires in this main

12、s lead are coloured in accordance with the following code: GREEN-AND-YELLOW: EARTH BLUE: NEUTRAL BROWN: LIVE As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the terminals in your plug proceed as follows: The wire which is colo

13、ured GREEN-and-YELLOW must be connected to the terminal in the plug which is marked by the letter E or by the safety earth symbol or colored GREEN or GREEN-and-YELLOW. The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured BLACK. The wire whic

14、h is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED. 印商品、安全維持重要部品。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 AS60-112T 3 SPECIFICATIONS Output Power60 Wrms Speakers30 cm x 1, Dome Tweeter x 1 Controller/SwitchVOLUME, TREBLE, MIDDLE, BASS, EQ ON/OFF,

15、POWER Connection JacksINPUT : Standard Phone Mono Jack LINE OUT : Standard Phone Mono Jack Input Level/ImpedanceINPUT : 0 dBm / 100 k Output Level/ImpedanceLINE OUT : 0 dBm / 1 k Power RequirementsU.S. and Canadian models : 120 V, 60 Hz General model : 230 V, 50 Hz Power Consumption70 W Dimensions (

16、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60Wrms 30cm 1、1 /VOLUME, TREBLE, MIDDLE, BASS, 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 kg 4 AS

17、60-112T PANEL LAYOUT Control Panel q INPUT Jack (INPUT) w Volume Control (VOLUME) e Equalizer Switch (EQ ON/OFF) r Equalizer Controls (TREBLE, MIDDLE, BASS) t Expansion Output Jack (LINE OUT) y Power Switch & Lamp (POWER) BLOCK DIAGRAM MAIN INPUT JK1 31 IC1 1/2 IC1 1/2, IC2 VR4VR3VR1 VR1 SW2 BASSMID

18、 TREBLE EQ OFF-ON VOLUME MUTE TR1, 2, 3 LINE OUT JK2 SW1 CN1 CN4 POWER AMP SPEAKER (WOOFER) SPEAKER (TWEETER) POWER SWITCH AC INPUT POWER SUPPLY CIRCUIT ACTIVE TYPE TONE CONTROL qwerty （） 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） （） （ ） AS60-112T

19、 5 WIRING CIRCUIT BOARD LAYOUT 1/4MAIN 1/4MAIN 2/4MAIN 2/4MAIN 4/4MAIN 4/4MAIN 3/4MAIN 3/4MAIN W2 W4 W6 CN3CN2CN1 W1 W3W5 BT1 BT2 1/4MAIN 3/4MAIN 2/4MAIN 4/4MAIN W1W2 W3W4W5W6 150 BT1 REF No.PART No. VZ461100 (J) XX205660 (U) VV058200 (H) VV058300 (B) WA333700 V3632400 (V363250) (V620410) (V363250)

20、TERMIANL AC Cord AC Cord AC Cord AC Cord Speaker BT1, BT2 MAIN 1/4 W1 MAIN 1/4 W3 MAIN 1/4 W5 CN1 CN1 CN1 CN1 Speaker Speaker MAIN 2/4 W2 MAIN 3/4 W4 MAIN 4/4 W6 2P L=300 3P L=200 3P L=150 3P L=200 （端子）（行先） DESTINATION REMARKS W1W2 W3W4 W5W6 150 155 BT1 155 （結線図） （） 6 AS60-112T DISASSEMBLY PROCEDURE

21、 A.External fittings 1.Handle assembly (Time required: about 1 minutes) 1-1.Remove the two (2) screws marked G70 and remove the handle. (Fig. 1) 2.Corner metal fixture (Time required: about 1 minutes) 2-1.Remove the two (2) screws marked G50 and remove the corner metal fixture. (Fig. 1) 3.Leg (Time

22、required: about 1 minutes) 3-1.Remove the one (1) screw marked G110 and remove 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.1 4.Amplifier Unit (Time required: ab

23、out 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) 5-1.Remov

24、e 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. The speaker (Woofer) can then be removed. (Fig. 2) 5-3.Remove the four (4) screws marked 120B. The speaker (Tweeter) can then be removed. (Fig. 2) Fig.2 30

25、: 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) G110 G50 G70 80 90 80 90 120A 120B 30403040 （分解手順） A.外装 (所要時間:約1 分) 1.取手 Assy 1-1.G70本外、取手Assy 外。

26、 (図) 2.金具 (所要時間:約1 分) 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) AS60-112T 7 B.Amplifier U

27、nit 6.MAIN circuit board 1/4 (Time required: about 5 minutes) 6-1.Remove the amplifier unit (See Item 4 above.) 6-2.Remove the four (4) screws marked 30, four (4) knobs of Rotary variable resisters, four (4) hexagonal nuts and one (1) each of INPUT and LINE OUT hexagonal nuts. The MAIN circuit board

28、 1/4 can then be removed. (Fig. 3) 7.MAIN Circuit 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 each circuit board, which can then be removed. (Fig. 3) 8.Power Transformer (Time required: about 4

29、minutes) 8-1.Remove the amplifier unit. (See Item 4 above.) 8-2.Remove the four (4) screws marked 190A. The power 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.

30、 (See Item 7 above) 9-3.Remove the three (3) screws marked 190B. The heat sink can then be removed. (Fig. 3) Fig.3 30: 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 DIAGRAM RC4558D-V

31、 (IG001390) IC1, IC2 OP AMP 1 2 3 4-V +V8 7 6 5 Output A Non-Inverting Input A -DC Voltage Supply +DC Voltage Supply Output B Inverting Input B Non-Inverting Input B Inverting Input A +- +- 190B 303030 190A190A 30 190B190B190A210210210 Hexagonal nut INPUTSLAVE OUT Knob （特殊六角） （） Hexagonal nut （特殊六角）

32、 1/4MAIN 2/4MAIN 3/4MAIN 4/4MAIN +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INPUT、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

33、-2.MAIN 2/4, 3/4, 4/4外。 (7項参照) 9-3.190B本外、外 。 (図) 8 AS60-112T CIRCUIT BOARDS MAIN Circuit Board INPUT EQ ON/OFFVOLUMETREBLE EQUALIZER CONTROL MIDDLE CN4: N.C. Idling Adjustment A A MAIN 1/4 MAIN 2/4 Component side （基板図） （部品側） AS60-112T 9 LINE OUT POWER ON/OFFBASS CN3: to Power Transformer CN2: to Po

34、wer Transformer CN1: to AC Cord A A Component side MAIN 3/4 MAIN 4/4 Component side Component side MAIN: CNA-V755090 2 （部品側） （部品側） （部品側） 10 AS60-112T IDLING ADJUSTMENT 1. Turn the idling adjustment volume (VR5) counterclockwise fully. 2. Adjust the VR5 so that the DC voltage between the terminals of

35、 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 。 6 5 4 3 HFGEDCBA AHGFEDCB 1 2 AS60-112T OVERALL CIRCUIT DIAGRAM AS60-112T AS60-112TAS60-112T Destination Power Transformer X0239B00 X0240B00 X0241B00 X0241B00 Black Brown Blue Green/Yellow Brown Blue Green/Yellow White SPEAKER (Woofer) SPE

36、AKER (Tweeter) Woofer: 9 Tweeter: 8 1/250 C140 + Black WhiteGreen Power CordCord Bush LINE OUT Destination Power Transformer Power ON/OFF Power Idling Adjustment OP AMP OP AMP OP AMP OP AMP KEC-54236 () (B) (抵抗) (不燃化抵抗) (酸金抵抗) (規格認定) (PP) (): (): 抵抗: : 酸金: 規格認定: (PP): Ceramic Cap.-B Mylar Capacitor

37、Wire Wound Resistor Flame Proof Carbon Resistor Metal Oxide Film Resistor Capacitor Polypropylen Capacitor 1/4MAIN 2/4MAIN 3/4MAIN 4/4MAIN 1 + WARNING Components having special characteristics are marked and must be replaced with parts having specification equal to those originally installed. Notes

38、: DESTINATION ABBREVIATIONS The 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 number is O, not zero. The second letter

39、of the shaded () part number is I, not one. M:South African model O:Chinese model Q:South-east Asia model T :Taiwan model U :U.S.A. model V :General export model (110V) W:General export model (220) N,X : General export model Y :Export model A :Australian model B :British model C :Canadian model D :G

40、erman model E :European model F :French model H :North European model I :Indonesian model J :Japanese model PARTS LIST CONTENTS OVERALL ASSEMBLY. 2 AMPLIFIER UNIT. 4 ELECTRICAL 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。 R

41、EMARKS欄 部品、併用部品。 網掛付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） AS60-112T 2 OVERALL ASSEMBLY 120 100 155 10 30 40 90 70 80 70 110 120 155 60 50 20 70 G70 G20 G90 G60 G10 G80 G50 G50G40 G100 G110 160 G30 Amplifier Unit (See page 4) （4参照） （総組立） AS60-112T 3 : New Parts REF NO.PART NO.DESCR

42、IPTIONREMARKSQTYRANK RANK: Japan only * * * * OVERALL ASSEMBLYAS60-112T Overall AssemblyJ(V940870) Overall AssemblyU(V940880) Overall AssemblyH(V940890) Overall AssemblyB(V940900) 10Amplifier UnitJ(V940910) 10Amplifier UnitU(V940930) 10Amplifier UnitH(V940940) 10Amplifier UnitB(V940950) 20Cabinet Ov

43、erall Assembly(V941020) G10Cabinet Assembly(V941030) G20Vinyl LeatherPVC#507(V369430) G30Saran Net#1059(V369860) G40Corner Protector803 G50Oval Head Tapping Screw-13.5X16 MFNI331601 G60Handle Assembly06 G70Oval Head Screw.0X25 FNM3-2B201 G80Screw4.0X40 MFC2BL8 G90Truss Head Tapping Screw-14.0X30 MFZ

44、N2Y601 G100LegEMX640401 G110Truss Head Tapping Screw-14.0X20 MFZN2BL401 30Oval Head Screw5.0X35 MFC2BL4 40Washer5S MFC2BL401 50Name PlateGA/BA 60Badge 70Truss Head Tapping Screw-13.0X10 FCM3-BL7 80Oval Head Tapping Screw-14.0X30 MFC2BL8 90Washer4S MFC2BL801 100Speaker30cm 9ohm 60WWOOFER 110Speaker38

45、mm 8ohm 40WTWEETER 120Hexagonal Nut4.0 MFZN2Y801 155Connector Assembly 160LabelU03 - - - - - - - - - - - - V3694400 V3833600 V3630300 V3743700 V3749500 03747400 VV085600 03747290 V3749300 EW300020 V3624100 V9471700 V3623800 V3749400 VB890200 X3016A00 X3017A00 03760900 WA333700 VA039300 部品名 総組立 総組立（）

46、 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 AS60-112T 4 AMPLIFIER UNIT 20 20 190 210 200 200 180 100 220 130 170 160 150 90 110 120 30 140 155 190 70 15 40 10 30 50 60 80 80 210 MAIN 1/4 MAIN 4/4 MAIN 2/4 MAIN 3/4 20 20 （） AS60-112T 5 : New Parts

47、REF NO.PART NO.DESCRIPTIONREMARKSQTYRANK * * * Amplifier UnitJ(V940910) Amplifier UnitU(V940930) Amplifier UnitH(V940940) Amplifier UnitB(V940950) 10ChassisJ 10ChassisU 10ChassisH,B 15Vibration-proof Tape(V941080)2 20Circuit Board AssemblyMAINJ,U12 20Circuit Board AssemblyMAINH,B12 30Bind Head Tapping Screw-B3.0X8 MFZN2BL501 40KnobCHVOLUME402 50Button GraySEQ OFF/ON01 60Power Switch KnobMX12/4POWER ON/OFF01 70Escutcheon, Power SwitchMX1