Yorkville AM50 Service Manual 电路图.pdf

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1、U.S.A. Yorkville Sound Inc. 4625 Witmer Industrial Estate Niagara Falls, New York 14305 USA Voice: (716) 297-2920 Fax: (716) 297-3689 WORLD HEADQUARTERS WEB ACCESS: CANADA Yorkville Sound 550 Granite Court Pickering, Ontario L1W-3Y8 CANADA Voice: (905) 837-8481 Fax: (905) 837-8746 Quality and Innova

2、tion Since 1963 Printed in Canada SERVICE MANUAL A AC CO OU USTISTIC MASTEC MASTER RACOUSTIC MASTER RadioFans.CN 收音机爱 好者资料库 Manual-Service-am50-1v1.pdf TYPE: AM50 INSTRUCTIONS PERTAINING TO A RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS. CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT RE

3、MOVE COVER (OR BACK). NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. Read Instructions: The Owners Manual should be read and understood before operation of your unit. Please, save these instructions for future reference. Packaging: Keep the box and packaging materi

4、als, in case the unit needs to be returned for service. Warning: When using electric products, basic precautions should always be followed, including the following: Power Sources: Your unit should be connected to a power source only of the voltage specified in the owners manual or as marked on the u

5、nit. This unit has a polarized plug. Do not use with an extension cord or receptacle unless the plug can be fully inserted. Precautions should be taken so that the grounding scheme on the unit is not defeated. Hazards: Do not place this product on an unstable cart, stand, tripod, bracket or table. T

6、he product may fall, causing serious personal injury and serious damage to the product. Use only with cart, stand, tripod, bracket, or table recommended by the manufacturer or sold with the product. Follow the manufacturers instructions when installing the product and use mounting accessories recomm

7、ended by the manufacturer. The apparatus should not be exposed to dripping or splashing water; no objects filled with liquids should be placed on the apparatus. Terminals marked with the “lightning bolt” are hazardous live; the external wiring connected to these terminals require installation by an

8、instructed person or the use of ready made leads or cords. No naked flame sources, such as lighted candles, should be placed on the apparatus. Power Cord: The AC supply cord should be routed so that it is unlikely that it will be damaged. If the AC supply cord is damaged DO NOT OPERATE THE UNIT. Ser

9、vice: The unit should be serviced only by qualified service personnel. INSTRUCTIONS RELATIVES AU RISQUE DE FEU, CHOC LECTRIQUE, OU BLESSURES AUX PERSONNES. AVIS: AFIN DE REDUIRE LES RISQUE DE CHOC ELECTRIQUE, NENLEVEZ PAS LE COUVERT (OU LE PANNEAU ARRIERE). NE CONTIENT AUCUNE PIECE REPARABLE PAR LUT

10、ILISATEUR. CONSULTEZ UN TECHNICIEN QUALIFIE POUR LENTRETIENT. Veuillez lire le manuel: Il contient des informations qui devraient tres comprises avant lopration de votre appareil. Conservez S.V.P. ces instructions pour consultations ultrieures Emballage: Conservez la boite au cas ou lappareil devait

11、 tre retourner pour rparation. Warning: Attention: Lors de lutilisation de produits lectrique, assurez-vous dadhrer des prcautions de bases incluant celle qui suivent: Alimentation: Lappareil ne doit tre branch qu une source dalimentation correspondant au voltage spcifi dans le manuel ou tel quindiq

12、u sur lappareil. Cet appareil est quip dune prise dalimentation polarise. Ne pas utiliser cet appareil avec un cordon de raccordement moins quil soit possible dinsrer compltement les trois lames. Des prcautions doivent tres prises afin deviter que le systme de mise la terre de lappareil ne soit dsen

13、gag. Hazard: Ne pas placer cet appareil sur un chariot, un support, un trpied ou une table instables. Lappareil pourrait tomber et blesser quelquun ou subir des dommages importants. Utiliser seulement un chariot, un support, un trpied ou une table recommands par le fabricant ou vendus avec le produi

14、t. Suivre les instructions du fabricant pour installer lappareil et utiliser les accessoires recommands par le fabricant. Il convient de ne pas placer sur lappareil de sources de flammes nues, telles que des bougies allumes. Lappeil ne doit pas tre expos des gouttements deau ou des claboussures et q

15、uaucun objet rempli de liquide tel que des vases ne doit tre plac sur lappareil. Les dispositifs marqus dune symbole “dclair” sont des parties dangereuses au toucher et que les cblages extrieurs connects ces dispositifs de connection extrieure doivent tre effectivs par un oprateur form ou en utilisa

16、nt des cordons dj prpars. Cordon dalimentation: vitez dendommager le cordon dalimentation. NUTILISEZ PAS LAPPAREIL si le cordon dalimentation est endommag. Service: Consultez un technicien qualifi pour lentretien de votre appareil. IMPORTANT SAFETY INSTRUCTIONS SAFE_V4.doc Version 4.0 02/11/99 11:54

17、 AM #Part#DescriptionFunction 134501/4 JCK PCB MT HORZ, GOLDJack 24417_10K 5B LIN 9MM HORIZONTAL P28Gain 1 applicable to serial numbers 001xxxx34420_50K B LIN 9MM HORIZONTAL P28Bass 44420_50K B LIN 9MM HORIZONTAL P28Treble 54419100K B LIN 12MM HORIZONTAL STP27Freq 63660XLR FEML PCB MT HORZJack 74418

18、_10K 5C R/A 9MM HORIZONTAL P28Gain 2 84417_10K 5B LIN 9MM HORIZONTAL P28Reverb knob8641Note: All pots use 8641 Aqua KnobKnob 93698SPST ROKR SW QUIK 180 AC PWR BL/BL 103421DPDT PUSH SW PCMT MAKE B4 BREAK 108649BUTTON KNOB FLAT BLACK 11Z282AM50 Grill (special order while unit is in production only) 12

19、3834HEYCO #1214 STRAIN RELIEF 138570CORNER, 2 LEGS NOTCED LIP BLACK 148468VELCRO STRAP 3/4X22CM (VELSTRAP) 1534818 3/18 SJT AC LINE CORD 250 CLIPS 1684599.5 STRAP HANDLE, PLASTIC COVERS 178547PLASTIC FOOT BLACK 1874178R 30W TWEETER PIEZO TLC 1 1973318 8R 50WPGM SPEAKER JENSENJA8/80 1309BLOC-40B/40K/

20、40W/50B XFMR 24680.800 AMP SLO-BLO .25X1.25 FUSE 3586ACC# 1BB1C1C SHORT REVERB 3745DUAL XSISTOR PBL SPRING PLATE ZN 3830TO218 PREGREASED MICA 56-78-2AP 5105MPSA13 TO92 NPN DARL T&R TA 58872200U 50V 20%CAP BLK 18X27MM EL 6755LM3876T IC 40 WATT POWER AMP 6798MC4741CP IC QUAD OP AMP 68271N5402 200V 3A0

21、 DIODE 6840MC33078P IC DUAL OP AMP 6882TL072CP IC FET DUAL OP AMP 6889TLO74CN IC QUAD O/A T.I ONLY 8581CUSTOM PBL TRANSISTOR SPACER Notes: Internal Electronic Components Labeled Components parts-am50.xls - 10/23/ Amplifiers am50 Oct 20,2000 YS No. DescriptionQty.YS No. DescriptionQty. 6405 RED 3MM L

22、ED 1V7 5MA BRT24770 1/4W 249R 1% T&R RES2 6408 GRN 3MM LED 1V9 5MA FROSTED14655 1/2W 330R 5% T&R RES8 6825 1N4148 75V 0A45 DIODE T&R74799 1/4W 562R 1% T&R RES2 6438 1N4004 400V 1A0 DIODE T&R14981 1/4W 1K 5%MINI T&R RES3 6827 1N5402 200V 3A0 DIODE44824 1/4W 1K5 5% T&R RES3 6822 1N4745A 16V0 1W0 ZENER

23、 5% T&R26113 1/4W 2K 5%MINI T&R RES3 6824 1N5246B 16V0 0W5 ZENER 5% T&R14883 1/4W 2K49 1% T&R RES1 5105 MPSA13 TO92 NPN DARL T&R TA24827 1/4W 4K7 5% T&R RES5 6755 LM3876T IC 40 WATT POWER AMP14639 1/4W 4K99 1% T&R RES4 6798 MC4741CP IC QUAD OP AMP14893 1/4W 5K1 5% T&R RES1 6840 MC33078P IC DUAL OP A

24、MP14863 1/4W 8K2 5% T&R RES2 6882 TL072CP IC FET DUAL OP AMP44800 1/4W 10K0 1% T&R RES12 6889 TLO74CN IC QUAD O/A T.I ONLY24829 1/4W 10K 5% T&R RES9 5402 _15P 100V 10%CAP T&R BEAD NPO26116 1/4W 10K0 1%MINI MF T&R RES3 5199 100P 100V 2%CAP T&R RAD CER.2NPO24830 1/4W 15K 5% T&R RES2 5410 100P 100V 10%

25、CAP T&R BEAD NPO36123 1/4W 20K0 1%MINI MF T&R RES2 5420 680P 50V 10%CAP T&R BEAD NPO24840 1/4W 33K 5% T&R RES2 5422 _1N 50V 10%CAP T&R BEAD NPO44834 1/4W 47K 5% T&R RES2 5208 _2N2 400V 5%CAP T&R RAD .2FLM24803 1/4W 49K9 1% T&R RES1 6451 _4N7 250V 20%CAP BLK Y 10MM AC14836 1/4W 68K 5% T&R RES1 5204 _

26、10N 100V 10%CAP T&R RAD .2FLM26120 1/4W 100K 5%MINI T&R RES5 5207 _18N 100V 5%CAP T&R RAD .2FLM24849 1/4W 180K 5% T&R RES2 6435 _22N 275V 20%CAP BLK X2 15MM AC14844 1/4W 1M 5% T&R RES1 5308 _47N 50V 10%CAP T&R BEAD X7R13586 ACC# 1BB1C1C SHORT REVERB1 5310 _68N 50V 10%CAP T&R BEAD X7R19892 CABINET CO

27、VER, BLUE/BLACK, 54 WIDE11.5 5228 100N 100V 5%CAP T&R RAD .2FLM19047 .187 HOLE .250 STAG 16GA PERFORAT1.4 5314 100N 50V 10%CAP T&R BEAD X7R159150 .081 48X96 UTILITY ALUMINUM2.13 5230 180N 63V 5%CAP T&R RAD .2FLM19250 .040 48X96 5052H32 ALUM VINYL LAMI0.33 5317 180N 50V 10%CAP T&R BEAD X7R19815 1/2PR

28、ECISION SANDED SPRUCE 4X88.16 5231 220N 63V 10%CAP T&R RAD .2FLM28842 #4 X 5/16 PAN QUAD TYPE A JS500 BLK2 5233 330N 63V 5%CAP T&R RAD .2FLM18801 6-32 X 3/8 PAN PH TAPTITE JS5005 5234 470N 63V 10%CAP T&R RAD .2FLM18829 6-32 X 3/8 FLAT PH TAPTITE BO#4 HEA4 5255 _1U 63V 20%CAP T&R RAD .2EL38828 6-32 X

29、 3/4 PAN PH TAPTITE JS5003 5256 _1U 63V 5%CAP T&R RAD .2FLM28876 #6 X 1 1/2 PAN PH TYPE A JS500 BLK4 5257 _2U2 63V 20%CAP T&R RAD .2EL18763 8-32 X 1/2 PAN PH MS JS500 BLACK2 5945 _10U 63V 20%CAP T&R RAD .2EL18767 #8 X 3/4 PAN PHIL TYPE A JS500 BLK4 5961 _33U 16V 20%CAP T&R RAD .2NP28815 8-32 X 3/4 P

30、AN PH TAPTITE JS5001 5267 100U 25V 20%CAP T&R RAD .2EL38753 #10 X 1/2 PAN PH TYPE A JS500 BLACK12 5630 330U 25V 20%CAP BLK 10X13MM EL28756 #10 X 3/4 PAN PH TYPE A BLACK OXIDE8 5887 2200U 50V 20%CAP BLK 18X27MM EL28781 #10 X 7/8 FLAT PHIL TYPE A JS500BLK10 4417 _10K 5B LIN 9MM HORIZONTAL P2828912 10-

31、32 X 1 FLAT PHIL MS JS500 BLK4 4418 _10K 5C R/A 9MM HORIZONTAL P2818770 1/4-20 X 1 5/16 TRUSS PH MS JS5002 4420 _50K B LIN 9MM HORIZONTAL P2828905 YORKVILLE PRODUCT SCHEMATIC1 4419 100K B LIN 12MM HORIZONTAL STP2713833 8 X 3/8 (250 OD,.171 ID)NY SPACER3 8547 PLASTIC FOOT BLACK87331 8 8R 50WPGM SPEAK

32、ER JENSENJA8/801 8570 CORNER, 2 LEGS NOTCED LIP BLACK68820 #8 FLAT WASHER JS5002 3463 CLIP 110X020 18-22AWG DISCO/INSL28473 #10 BLACK CUPWASHER SWF-10BK2 3467 CLIP 205X032 14-16AWG DISC/INSUL23421 DPDT PUSH SW PCMT MAKE B4 BREAK1 3489 CLIP 250X032 18-22AWG DISCO/INSL43698 SPST ROKR SW QUIK 180 AC PW

33、R BL/BL1 3682 250 MALE PCB TAB BULK CARTRIGE103937 YELLOW 18 AWG TR-64 PREFUSED2.333 3498 1/4 JCK PCB MT HORZ33940 RED 18 AWG TR-64 PREFUSED2.333 3886 36 RCA PREFAB CABLE RED13941 BLACK 18 AWG TR-64 PREFUSED4.667 3890 36 PREFAB. CABLE13950 GREEN 18 AWG TR-64 PREFUSED2 3914 RCA SNGL PCB MT HORZ23958

34、BLACK 18AWG 36STND WIRE DOUBLE INS3.333 3417 6-32 SCREW TERMINAL PC MOUNT21309 BLOC-40B/40K/40W/50B XFMR1 3660 XLR FEML PCB MT HORZ1 3451 EYELET SMALL 0.089 OD PLATED10 3414 INTERNATIONAL PC MOUNT FUSEHOLDER2 2468 0.800 AMP SLO-BLO .25X1.25 FUSE1 8459 9.5 STRAP HANDLE, PLASTIC COVERS1 8604 10-32 T N

35、UT2 7417 8R 30W TWEETER PIEZO TLC 11 3745 DUAL XSISTOR PBL SPRING PLATE ZN1 3804 SNAP ON 1.5 INSULATING BUSHING1 3795 #8 GROUND LUG ZIERICK 505-1692 3801 5/8 BUMPER BUTTON BLACK1 3803 NYLON SECUR-A-TACH MINI PLASTIC TIE1 3810 4 NYLON CABLE TIE5 8641 AQUA KNOB FOR NEW ACOUSTIC SERIE6 8649 BUTTON KNOB

36、 FLAT BLACK1 3481 8 3/18 SJT AC LINE CORD 250 CLIPS1 3834 HEYCO #1214 STRAIN RELIEF1 Y LOGO ACOUSTIC SERIES SML. DOMED1 8800 6-32 KEPS NUT ZINC3 8787 8-32 KEPS NUT ZINC2 8845 10-32 PEMNUT SS-032-2-Z12 8898 1/4-20 CAGE NUT C79981420272 3830 TO218 PREGREASED MICA 56-78-2AP1 8581 CUSTOM PBL TRANSISTOR

37、SPACER1 4597 22AWG STRAN TC WIR JMP7 4599 22AWG SOLID SC WIR T&R JMP41 5299 24AWG SOLID SC WIR RAD JMP2 4675 1/2W 10R 5% T&R RES2 4816 1/4W 33R 5% T&R RES1 4704 5.0W 33R 5% BLK RES1 4897 1/4W 120R 5% T&R RES2 4857 1/4W 220R 5% T&R RES4 RadioFans.CN 收音机爱 好者资料库 Block Diagram for AM50 AMP Input 1 Gain

38、Pot Reverb Pot EQ In 1 BLOCK-DIAGRAM-AM50-1V4 .ai Channel Inputs Low / High DESIGNED AND MANUFACTURED BY YORKVILLE SOUND Channel 1 Unbalanced Stereo 1/4 C:ADATAblock diagramsBLOCK-DIAGRAM-AM50-1V4.ai 18-JUL-2003 SE XLR Balanced Stereo 1/4 Input 2 Gain Pot In 2 Channel 2 Balanced Reverb Gain Stage No

39、tch Filter Notch OUT IN Contour Filter Channel 1 Clip LED Channel 2 Clip LED Buffer RCA Reverb Send RCA Reverb Return Reverb Gain Stage Tweeter 8 Ohms 8 Ohms Speaker Outputs + + RadioFans.CN 收音机爱 好者资料库 D26 1/2 TL072 U3 2 3 1 1/2 TL072 U1 2 3 1 1/2 33078 U2 2 3 1 2/2 33078 U2 6 5 7 1u 16V C19 SRT MON

40、O NO_GOLD JB2 1 2 3 4 5 6 RCA REV_RTN J10 1 2 SRT MONO NO_GOLD JP3 1 2 3 4 5 6 100N C41 1/4 MC4741 U8 2 3 1 2/4 MC4741 U8 6 5 7 4/4 MC4741 U8 13 12 14 3/4 MC4741 U8 9 10 8 2/2 TL072 U10 6 5 7 1/2 TL072 U7 2 3 1 10K R101 100U 16V C7 100N C40 180N C15 2U216V C18 NUTRIX MIC_IN JP4 1 3 2 #7415 3.75 4R 4

41、/4 TL074 U6 13 12 14 8K2 R27 3/4 TL074 U6 9 10 8 CWD B 100K NOTCH P6 8K2 R26 10K R100 4n7 250V 180K R18A 10K R2 0.5W 330R R39 AS_OFKNOBPART#FUNCTIONREF 10 9 8 7 6 5 4 3 2 1 # MODEL(S):- D D D D . . . . . JAN/2000 K K K K . . . . . #8641 N N N N #4419 #4418 #4420 #4417 #4420 #4417 F F F F NOTCH GAIN

42、TREBLE REVERB BASS VOLUME D D D D P6 P5 P4 P3 P2 P1 AM50 M571.PCB_POT_LIST 1K R35 2N2 . C67 10K R15 47K R47 1K R48 4K7 R46 4K7 R45 10 9 8 7 6 5 4 3 2 1 #DESCRIPTION OF CHANGEVER#DATE MODEL(S):- D D D D D D OCT/06/03 MAR/22/01 MAY/03/00 JAN/18/00 V V V V V V 1.50 1.40 1.30 1.20 N N N N N N CORRECT_PO

43、LARITY_OF_HORN PC#6358_E_VERSION_XFMR_#1206-1309E UPDATE_CE_PWR-SUPPLY ADD_HISTORY/POT_BLOCKS AM50 M571.SCH_DATABASE_HISTORY 0.5W 330R R203 470N C62100N C63 4K99 R49 10K0 R11 562R R6 4K99 R34 562R R5 2K R1 10K0 R19 15K R83 47K R33 180K R52 P28 STYLE 1K5 R16 68K R17 MPSA43 E B C MPSA56 220R R29 220R

44、R30 220R R32 10K R103 2/4 TL072 U3 6 5 7 10K R105 33R R90 100P C3 1K R70 0.5W 330R R205 100N C27 D31 A13 Q10 RED LED2 33K R31 100K R65 100N C27A D25 49K9 R7 10K0 R4 100N C151 2U2 63V C121 1M R3 1U 63V C100 220R R28 10K R84 10K0 R14 10K0 R82 10K R85 2N2C64 100K R161 NC V_IN+ V_IN- MUTE GND NC NC(+) V

45、- OUTPUT NC V+ 11 10 9 8 7 6 5 4 3 2 1 LM3876T 10K R18 10K0 R89 120R R53 1/4 TL074 U6 2 3 1 4K7 R25 4K7 R51 0.5W 330R R207 D6 2K49 R41 10K0 R42 4K75 R50 10K0 R80 10K0 R12 18N C60 SW1 IN OUT NOTCH 100N C152 3/4 TL074 U5 9 10 8 2/4 TL074 U5 6 5 7 1/4 TL074 U5 2 3 1 CWD B 100K NOTCH P6 10K0 R44 10K0 R8

46、1 #7322 8 8R 40V 220N C23A 33R 5W R24A 1K R20A 15K R22A 18N C61 10U 63V C17A 10K R21A D10A CW TREBLE 50K BP4 CW BASS 50K BP2 CW VOLUME2 10K 5CP5 100U 25V C18A 16V 1N5246B ZD4A 100K R55 RCA REV_SEND J11 1 2 D60 P27 STYLE 10R 0.5W R25A 10N C2 100N C58 100K R40 A13 Q10A 50V 1U C22A LM3876 U4 9 10 37 1

47、5 48 100N C44 680P C16A 2K R86 5K R43 47N C21 RED LED1 100N C50 100N C42 100N C57 D S G 2N5638 100N C45 100N C150 100N C43 15P C1 100P C4 CW VOLUME 10K 5BP1 15P C12 1N C11 100N C10 1N C22 1N C14 1N C13 10K0 R8 100P C16 1/2 TL072 U10 2 3 1 100P C51 33U16V C9 33K R65A 10R 0.5W R23A 68N C68 680P C15A 1

48、N4004 D5A 10K R91 2K R87 100K R13A 50V 1U C21A 330U 25V C28 D26A 0.8A-SB F1 330R 0.5W R2011N5402 D4 DATE: TITLE: SCH ISSUE:MODELS: PCB#&VER:NAME:YORKVILLE SHEET OF1.50 AM50_ACOUSTIC_AMP OCT/06/2003 M571.SCH AM50 M571 11 100U 16V C8 249R R63 1N5402 D3 RED LED3 1K5 R66 2200U 40V C25 22n 400VC90 2200U 40V C26 120Vac 60Hz #1309 T1 16V 1N4745A ZD3 10K0 R10 CW REVERB 5B 10K P3 4n7 250V C91 16V 1N4745A ZD2 1N5402 D2 1N5402 D1 330R 0.5W R202 180N C23 0.5W 330R R204 330U 25V C27 249R R64 100P C56 330N C55 10N C66 33U 16V C6 4K99 R61 4K99 R62 20K0 R59 2