Yorkville-SR300-pwr-sm 维修电路原理图.pdf

《Yorkville-SR300-pwr-sm 维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《Yorkville-SR300-pwr-sm 维修电路原理图.pdf（6页珍藏版）》请在收音机爱好者资料库上搜索。

1、U.S.A.Yorkville Sound Inc.4625 Witmer Industrial EstateNiagara Falls, New York14305 USAVoice: (716) 297-2920Fax: (716) 297-3689WORLD HEADQUARTERSWEB ACCESS: http:/CANADAYorkville Sound550 Granite CourtPickering, OntarioL1W-3Y8 CANADAVoice: (905) 837-8481Fax: (905) 837-8746Quality and Innovation Sinc

2、e 1963Printed in CanadaSERVICE MANUALRadioFans.CN 收音机爱 好者资料库Manual-Service-sr300-1v1.pdf150W into 4 ohms per channelINSTRUCTIONS PERTAINING TO A RISKOF FIRE, ELECTRIC SHOCK,OR INJURY TO PERSONS.CAUTION:TO REDUCE THE RISK OF ELECTRIC SHOCK, DONOT REMOVE COVER (OR BACK).NO USER SERVICEABLE PARTS INSID

3、E.REFER SERVICING TO QUALIFIEDSERVICE PERSONNEL.Read Instructions:The Owners Manual should be read and understoodbefore operation of your unit. Please, save theseinstructions for future reference.Packaging:Keep the box and packaging materials, in case the unitneeds to be returned for service.Warning

4、:When using electric products, basic precautions shouldalways be followed, including the following:Power Sources:Your unit should be connected to a power source only of thevoltage specified in the owners manual or as marked on the unit.This unit has a polarized plug. Do not use with an extension cor

5、d orreceptacle unless the plug can be fully inserted. Precautions shouldbe 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 ortable. The product may fall, causing serious personal injury and seriousdamage to

6、the product. Use only with cart, stand, tripod, bracket, or tablerecommended by the manufacturer or sold with the product. Follow themanufacturers instructions when installing the product and use mountingaccessories recommended by the manufacturer.The apparatus should not be exposed to dripping or s

7、plashingwater; no objects filled with liquids should be placed on theapparatus.Terminals marked with the “lightning bolt” are hazardous live;the external wiring connected to these terminals require installationby an instructed person or the use of ready made leads or cords.No naked flame sources, su

8、ch as lighted candles, should beplaced on the apparatus.Power Cord:The AC supply cord should be routed so that it is unlikely that it willbe damaged. If the AC supply cord is damaged DO NOTOPERATE THE UNIT.Service:The unit should be serviced only by qualified service personnel.INSTRUCTIONS RELATIVES

9、 AU RISQUEDE FEU, CHOC LECTRIQUE, OUBLESSURES AUX PERSONNES.AVIS: AFIN DE REDUIRE LES RISQUE DE CHOC ELECTRIQUE,NENLEVEZ PAS LE COUVERT (OU LE PANNEAUARRIERE). NE CONTIENT AUCUNE PIECE REPARABLEPAR LUTILISATEUR.CONSULTEZ UN TECHNICIEN QUALIFIEPOUR LENTRETIENT.Veuillez lire le manuel:Il contient des

10、informations qui devraient tres comprises avantlopration de votre appareil. Conservez S.V.P. ces instructionspour consultations ultrieuresEmballage:Conservez la boite au cas ou lappareil devait treretourner pour rparation.Warning:Attention: Lors de lutilisation de produits lectrique,assurez-vous dad

11、hrer des prcautions de basesincluant celle qui suivent:Alimentation:Lappareil ne doit tre branch qu une source dalimentationcorrespondant au voltage spcifi dans le manuel ou tel quindiqusur lappareil. Cet appareil est quip dune prise dalimentationpolarise. Ne pas utiliser cet appareil avec un cordon

12、 deraccordement moins quil soit possible dinsrer compltement lestrois lames. Des prcautions doivent tres prises afin deviter que lesystme de mise la terre de lappareil ne soit dsengag.Hazard:Ne pas placer cet appareil sur un chariot, un support, un trpied ou unetable instables. Lappareil pourrait to

13、mber et blesser quelquun ou subir desdommages importants. Utiliser seulement un chariot, un support, un trpiedou une table recommands par le fabricant ou vendus avec le produit.Suivre les instructions du fabricant pour installer lappareil et utiliser lesaccessoires recommands par le fabricant.Il con

14、vient de ne pas placer sur lappareil de sources de flammesnues, telles que des bougies allumes.Lappeil ne doit pas tre expos des gouttements deau ou desclaboussures et quaucun objet rempli de liquide tel que des vasesne doit tre plac sur lappareil.Les dispositifs marqus dune symbole “dclair” sont de

15、s partiesdangereuses au toucher et que les cblages extrieurs connects ces dispositifs de connection extrieure doivent tre effectivs par unoprateur form ou en utilisant des cordons dj prpars.Cordon dalimentation:vitez dendommager le cordon dalimentation. NUTILISEZ PASLAPPAREIL si le cordon dalimentat

16、ion est endommag.Service:Consultez un technicien qualifi pour lentretien de votre appareil.IMPORTANT SAFETY INSTRUCTIONSSAFE_V4.doc Version 4.0 02/11/99 11:54 AMSR-300YS No. DescriptionQty.YS No. DescriptionQty.3747 CUSTOM .5 LED SPACER BLACK74597 22AWG STRAN TC WIR JMP116405 RED 3MM LED 1V7 5MA BRT

17、25299 24AWG SOLID SC WIR RAD JMP76400 YEL 3MM LED 1V9 6MA HIGHEFF24749 5.0W 0R15 5% BLK RES46401 GRN 3MM LED 1V9 6MA HIGHEFF34748 2.0W 3R9 5% T&R26825 1N4148 75V 0A45 DIODE T&R412008 1.0W 10R 5%FLAME PROOF T&R RES26438 1N4004 400V 1A0 DIODE T&R24605 1/8W 10R 5% T&R RES46827 1N5402 200V 3A0 DIODE4201

18、4 1/8W 33R 2%FLAME PROOF T&R RES66434 6A2 200V 6A0 DIODE44604 1/4W 33R2 1% T&R RES46733 BAT85 30V 0A2 DIODE SCHTKYT&R44811 1/4W 68R 5% T&R RES26461 1N5240BRL 10V0 0W5 ZENER 5% T&R24735 1.0W 100R 5% T&R RES26824 1N5246B 16V0 0W5 ZENER 5% T&R64852 1/4W 100R 5% T&R RES16463 1N5251BRL 22V0 0W5 ZENER 5%

19、T&R14921 1/4W 100R 5% .2U T&R RES15101 BC550C TO92 NPN TRAN T&R TB84897 1/4W 120R 5% T&R RES25102 BC560C TO92 PNP TRAN T&R TB112020 1/8W 150R 2%FLAME PROOF T&R RES45103 MPSA06 TO92 NPN TRAN T&R TA24986 1/4W 270R 5%MINI T&R RES25104 MPSA56 TO92 PNP TRAN T&R TA22025 1/8W 274R 1%FLAME PROOF T&R RES4678

20、0 MPSA56 TO92 PNP TRAN TA24950 1/4W 390R 5% .2U T&R RES65119 2N5638 TO92 NCH JFET T&R TC24821 1/4W 470R 5% T&R RES36810 MJF15030 T221D NPN TRAN TJ22030 1/8W 681R 1%FLAME PROOF T&R RES26811 MJF15031 T221D PNP TRAN TJ24869 1/4W 750R 5% T&R RES26814 MJF6668 T221D PNP TRAN DARL TJ14758 1/4W 953R 1% T&R

21、RES66815 MJF6388 T221D NPN TRAN DARL TJ14823 1/4W 1K 5% T&R RES46988 MJL21194 TO3P NPN TRAN TK24981 1/4W 1K 5%MINI T&R RES26991 MJL21193 TO3P PNP TRAN TK24824 1/4W 1K5 5% T&R RES26840 MC33078P IC DUAL OP AMP24988 1/4W 1K5 5%MINI T&R RES16882 TL072CP IC FET DUAL OP AMP54808 1/4W 2K 5% T&R RES26884 NE

22、5532N IC DUAL OP AMP14705 2.0W 2K2 5% BLK RES46745 LM13600N IC XCONDUCTANCE AMP14847 1/4W 2K2 5% T&R RES16880 4N35 OPTO-COUPLER26124 1/4W 3K 5%MINI T&R RES26467 10K 10% THERMISTOR NTC TO-9224992 1/4W 3K16 1% T&R RES45200 _10P 200V 5%CAP T&R RAD CER.2NPO24756 1/4W 4K120 0.1% * T&R RES25406 _33P 50V 1

23、0%CAP BLK BEAD NPO24943 1/4W 4K7 5% .2U T&R RES25410 100P 100V 10%CAP T&R BEAD NPO26121 1/4W 6K98 1%MINI MF T&R RES25416 470P 50V 10%CAP T&R BEAD NPO24787 1/4W 7K960 0.1% * T&R RES25206 _1N 400V 5%CAP T&R RAD .2FLM44762 1/4W 9K760 0.1% * T&R RES85422 _1N 50V 10%CAP T&R BEAD NPO24829 1/4W 10K 5% T&R

24、RES25423 _1N2 50V 10%CAP T&R BEAD X7R24940 1/4W 10K 5% .2U T&R RES86451 _4N7 250V 20%CAP BLK Y 10MM AC14983 1/4W 10K 5%MINI T&R RES35204 _10N 100V 10%CAP T&R RAD .2FLM44856 1/4W 12K 5% T&R RES26435 _22N 275V 20%CAP BLK X2 15MM AC14953 1/4W 12K 5% .2U T&R RES25224 _47N 100V 10%CAP T&R RAD .2FLM24830

25、1/4W 15K 5% T&R RES25227 _82N 100V 5%CAP T&R RAD .2FLM24954 1/4W 18K 5% .2U T&R RES25228 100N 100V 5%CAP T&R RAD .2FLM166123 1/4W 20K0 1%MINI MF T&R RES105314 100N 50V 10%CAP T&R BEAD X7R24833 1/4W 27K 5% T&R RES35231 220N 63V 10%CAP T&R RAD .2FLM64956 1/4W 27K 5% .2U T&R RES15255 _1U 63V 20%CAP T&R

26、 RAD .2EL16122 1/4W 33K 5%MINI T&R RES25257 _2U2 63V 20%CAP T&R RAD .2EL34794 1/4W 37K90 0.1% * T&R RES25281 _10U 16V 20%CAP T&R RAD .2NP44878 1/4W 43K 5% T&R RES25260 _22U 50V 20%CAP T&R RAD .2EL14834 1/4W 47K 5% T&R RES25961 _33U 16V 20%CAP T&R RAD .2NP64761 1/4W 60K4 1% T&R RES25267 100U 25V 20%C

27、AP T&R RAD .2EL44898 1/4W 91K 5% T&R RES45630 330U 25V 20%CAP BLK 10X13MM EL44942 1/4W 100K 5% .2U T&R RES25869 4700U 63V 20%CAP BLK 25X40MM ELS26120 1/4W 100K 5%MINI T&R RES64390 _10K AUD 16MM DETENT P2224991 1/4W 133K 1%MINI T&R RES24522 _4K7 TRIM POT24796 1/4W 180K 5%MINI T&R RES2714 1.5 MIL X 36

28、 CLEAR POLY SHEETING44841 1/4W 220K 5% T&R RES23819 _5UH COIL 18AWG R000 AIR CORE26135 1/4W 270K 5%MINI T&R RES23489 CLIP 250X032 18-22AWG DISCO/INSL34880 1/4W 680K 5% T&R RES23491 CLIP 205/187X020 18-22AWG DISCO/INS14845 1/4W 2M2 5% T&R RES13682 250 MALE PCB TAB BULK CARTRIGE74809 1/4W 10M 5% T&R R

29、ES23452 BND POST PCB MT HORZ QUAD ASSEMBLY14751 1/4W 22M 5% T&R RES23498 1/4 JCK PCB MT HORZ23690 _8 4C-28AWG RIB 1 W/LCK HDR 09823528 1/4 JCK PCB MT HORZ GOLD TR_23574 _9 5C-22AWG RIBBON CABLE 0.123451 EYELET SMALL 0.089 OD PLATED53603 16 13C-24AWG RIBBON CABLE 0.113412 LOWPROFILE FUSEHOLDER 1/4 LI

30、TTLEFS18870 #4 X 1/4 PAN PH TYPE A ZINC23414 INTERNATIONAL PC MOUNT FUSEHOLDER48865 4-40 X 5/16 PAN PH MS JS50042427 5.0 AMP SLO-BLO .25X1.25 FUSE18861 4-40 X 3/8 PAN PH MS JS50022405 10.0 AMP SLO-BLO .25X1.25 FUSE28801 6-32 X 3/8 PAN PH TAPTITE JS50028434 AP SERIES PLASTIC HANDLE PAIR28829 6-32 X 3

31、/8 FLAT PH TAPTITE BO#4 HEA223501 B52200F006 COMP WASH #4 SMALL28824 8-32 X 5/16 PAN QUAD TAPTITE JS500143745 DUAL XSISTOR PBL SPRING PLATE ZN28869 8-18 X 1/2 THRD CUTTING FOR PLASTIC43885 XSISTOR SPRING CLIP TO-22048999 8-32 X 5/8 PAN PH TAPTITE JS50073795 #8 GROUND LUG ZIERICK 505-16918765 1/4-20

32、X 2 1/2 HEX HD MS JS500 BLK13810 4 NYLON CABLE TIE48607 3/16 NYLON SPACER OD 1/8 X ID .063183827 SQUARE BUMPER BUTTON BLACK53744 SNAP IN .375 SPACER RICHCO58433 AP SERIES PLASTIC KNOB28818 3/4 OD X 5/16 ID X .08 THICK WASHER28661 BUTTON KNOB FLAT GREY23511 #6 FLAT WASHER NYLON23484 8 3/18 SJT AC LIN

33、E CORD 250WH187BL18850 #10 INT TOOTH LOCKWASHER BO43834 HEYCO #1214 STRAIN RELIEF13436 DPDT PUSH SW PCMT H BREAK B4 MAKE23593 PCB CONN 90 5 CIR .15623587 DPDT ROKR SW QUIK 250AC/PWR ON-OFF13654 PCB CONN 4 CIR .100 LOCKING21248 SR-300 POWER TRANSFORMER TRD13655 13 CIR CABLE HOLDER .09825989 4 CIR CAB

34、LE HOLDER .09828793 4-40 HEX NUT ZINC28800 6-32 KEPS NUT ZINC28788 1/4-20 KEPS NUT ZINC13830 TO218 PREGREASED MICA 56-78-2AP4RadioFans.CN 收音机爱 好者资料库YORKVILLENAME:PCB#&VER:MODELS:SCH ISSUE:TITLE:DATE:M1085SR-300M1085AMP.SCHSEP/30/2002AMPLIFIER_150W1.70MJE15030Q8L2u263VC3L1n2C12LMJ15031Q10LMJL21193Q9L

35、MJL21194Q11L33RR29L1nC11L100KR5L100KR6LSRTUSEGOLD120RR19L390RR43L3R92WR38LHEATSINKHEATSINK16V1N5246AD8LD30LBC560Q6L16V1N5246AD9LD16L270KR50L270RR14LD15LD2LACNCECB4N35U2L1234560R155WR31L0R155WR33L1/233078U1L65720KR12LD13LD1LMPSA56Q5LD14L68RR36L100pC9L1N5402D11L1N5402D12L390RR13LD17L100nC4L100nC5LMPSA

36、06Q4L750RR15LBAT85D3L15uHL1L1220nC8L5BC560Q1L33pFC2L1/233078U1L2317K96R3L681RR4L4K12R1L25242322212019181716151413121110987654321#DESCRIPTION OF CHANGEVER#DATEMODEL(S):-DSEP/30/02OCT/08/99.APR/27/99MAR/30/99DEC/08/95NOV/24/95.JUL/12/95VV1.701.60.1.501.401.301.20.NNCORRECTION_R27L/R28L-1/8W-FLM-PRFHEA

37、TSINK_SYMBOL_ADDEDR51L,Q15L,D30LPC#5890_RT1L_100K-10K_ADD_R50L,R11L_15K-12KPC#4971.SR-300M1085PA.SCH_DATABASE_HISTORY10R1WR37L3K16R25L3K16R26L33R2R21L274RR20L274RR23L33R2R24L10KRT1LBC550Q7L6K98R18LD5LD6LBC550Q2L330u25VC6L100u25VC7L2K22WR30L2K22WR35LD7LD10LBAT85D4LMPSA56Q3L390RR10L10KR8L12KR11L33u16V

38、C1LCW4K7AR9L10RR46LD26LD27LCSA4n72CSA22nT2.5A13A/85CT10ACSA4n7C1EY1TB7TB5TB6TB3TB2TB4TB1T10A63V2u2C6D72M2R363V1uC510KR222VZ5251BZD1CSA22nC25A-SBF113A/85CBR1S110A-SBF310A-SBF2IN4004D62K2R150Hz370VA#1248EC463V4700u37K9R2LPX6A02D3PX6A02D4MJF6668MJF6388ECBMPSA06E B CMPSA563D S G2N5638BC550CC B EBC560C10

39、KR42LD25LMJL21194MJL21193ECBTPB C EMJE15031MJE150304C363V4700u3PX6A02D12330u25VC23LIN4004D560Hz370VA#1248T1PX6A02D233RR44L10RR47L33RR45L10NC10L33KR51LBC550Q15L10NC13LHEATSINKHEATSINKHEATSINKHEATSINK1/8W150R-FPR27L1/8W150R-FPR28LCLP2GNDGNDGNDGNDGNDGNDKIL+16V_BAT+16V_BAT-16V_BATO/PO/P-55V-55V-55V+55V+

40、55V+55V+55VAMP-INAGNDAGNDAGNDAGNDAGNDCIRCUIT WITHIN BOX IS NOTON POWER AMP BOARDADDED BATTERY BYPASS CIRCUITPIN 8 U1ADDED O/P JACKS CORRECTED I/P WIRES1.10D27L, R43L. R19L FROM 510R TO 120RPC#4850/4851 REMOVE R7L, C13L ADD D26L1. ADJUST R9 ACCROSS TP1&TP2 FOR 4.5 mV BIASN.A. VERSIONEXPORT VERSION230

41、V A.C 50HZ LINEBLUEGRN/YELBROWN-21V-18VENCLOSE CIRCUITRY IS OFF-PCB.ENCLOSE CIRCUITRY IS OFF-PCB.CHASSISCHASSIS120V A.C 60HZ LINEGREENWHITEBLACKGAIN = 65. ALL UNMARKED DIODES IN4148will have a R suffix for4. Reference with a L suffix3.0.1%0.1%0.1%0.1%MX2LMX1L4V RMSthe right channel amplifier.TEST PO

42、INTHEAT SINK2. Q3 IS THERMALLY COUPLED TO NOTES:-0.58VINPUT150 WATTS 4R25.4VRMS+0.60V-0.58V-0.85V+.67VCONNECT TO M1085AMP-REF.CLP1PREAMP PCB432148U:M1085V17.PRNBC560Q31/2TLO72U2231680KR8A10KR7A1KR9AOUTINSW2456YORKVILLENAME:PCB#&VER:MODELS:SCH ISSUE:TITLE:DATE:DWG_1_OF_2M1085SR-300M1085.SCHOCT/08/99I

43、NPUT/PREAMP1.40100nC81KR38B1K5R10GREENLD1470RR916V33UC10BOUTINSW21231KR38A100nC1015KR7100nC916V500mWZD316V500mWZD2MJF6388Q115KR6MJF6668Q21/2TLO72U265716V33UC10AYELLD3B2KR30B100nC21100nC18100nC19100nC16100nC17100nC14100nC15100nC13100nC12D1BD1A1K5R35B953RR23B3KR39B10MR17BOUTINH.P.FSW145691KR20B1K5R35A

44、100KR31A680KR8B953RR23ABC550Q1A100R1WR5100R1WR4100KR31B220nC7B220nC9B12KR34B27KR33B10KR27B10MR17AOUTINH.P.FSW112391KR20A220nC7A220nC9A60K4_1%R21B133K1%R22BCLPREDLD4B12KR34A27KR33A20K0R26B180KR28B25V100uC13B10u16VC12BPIN 11DIABC1/2LM13600U31315141612910BC560Q5B10pC5B10KR27A9K760R3B1nC1B1/2TLO72U16579

45、53RR1B953RR2B9K760R4B1nC2B9K760R5B9K760R6BCW25A10KP1B10u16VC3B18KR13B10KR29B2N5638Q3BSRTBAL.INPUTJB1B123456100KR10B60K4_1%R21A133K1%R22A20K0R16BD2B1N5240BRL10VD6B1KR32BCLPREDLD4A20K0R24BD4BD3B20K0R25B10KR7BBC550Q1B2KR30A20K0R26A180KR28A25V100uC13A10u16VC12A10KR37B100RR14B100nC2027KR12B43KR19B91KR18B

46、47nC6B82nC8B1KR9B100nC7GRNLD2B50V22uC111/2TLO72U66571/2TLO72U56574K7R36B470RR8470pC22BPIN 11DIABC1/2LM13600U342315871/25532U4657D5BBC560Q5A1/2TLO72U765710pC5A18KR13A10KR29A47KR40B47KR40A2N5638Q3A22MR15B20K0R16AD2A1KR32A20K0R24AD4AD3A20KOR25AHEATSINKHEATSINKP22STYLEBC560Q2B10KR37AYELLD3A100RR14A22MR1

47、5A27KR12A43KR19A91KR18A47nC6A82nC8A1/2TLO72U62311/2TLO72U5231220KR11B220KR11A4K7R36A470RR111/25532U4231100KR10AD5ASRTBAL.INPUTJB1A12345610u16VC3ACW25A10KP1A9K760R6A9K760R5A1nC2A9K760R4A953RR2A953RR1AGRNLD2A1/2TLO72U12311nC1A9K760R3A1/2TLO72U7231BC560Q2A33u16VC11A33u16VC11BBC560Q4A3KR39BC560Q4B252423

48、22212019181716151413121110987654321#DESCRIPTION OF CHANGEVER#DATEMODEL(S):-DDDDDDDOCT/08/99MAR/31/99NOV/24/95VVVVVVVV1.401.301.20NNNNNNNNHEATSINK_SYMBOL_ADDEDUPDATE_POTS.SR-300M1085.SCH_DATABASE_HISTORY1N5240BRL10VD6A470pC22AD G S2N5638BC550CC B EBC560CMJF6388MJF6668ECB+55VKILKILKILGNDGNDGNDGNDGNDGN

49、DGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGND-15V-15V-15V-15V-15V-15V-15V-15VI/PACLP1A-55V+15V+15V+15V+15V+15V+15V+15V+15V+15VI/PBREDREW OUTPUTS TO MATCH PWR AMP SCHEM.(TO AMP B)(TO AMP A)-13V-13V4.5V4.5VOF AMPLIFIEROF AMPLIFIERTO

50、 INPUTTO INPUTPOWEROUTPUTFOR FULL1.4VRMSCLP2A44332211CLP2BPOWER ONCLP1BSIGNALSIGNALLIMITER(TO AMP A&B)ALL UNMARKED DIODES ARE IN4148STEREO/GOLD TIP&RING JACKGOLD TIP&RING JACKBACHANNELCHANNELMONO LIMITERWILL WORK IN MONOIS CONNECTED UNITIF EITHER INPUT JACKNOTE:PIN 1PIN 1A RIBBON CABLETO THE REAR PC