Yorkville-SR300-pwr-sm维修电路原理图.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 RadioFans.CN 收音机爱 好者资料库 Manual-Service-sr300-1v1.pdf 150W into 4 ohms per channel INSTRUCTIONS PERTAINING TO A RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS. CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER SE

3、RVICEABLE 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 materials, in case the unit needs to b

4、e 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 unit. This unit has a polarized p

5、lug. 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. The product may fall, causing ser

6、ious 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 recommended by the manufacturer. The a

7、pparatus 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 instructed person or the use of

8、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. Service: The unit should be service

9、d 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 LUTILISATEUR. CONSULTEZ UN TECHNICI

10、EN 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 tre retourner pour rparation. W

11、arning: 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 quindiqu sur lappareil. Cet appareil es

12、t 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 dsengag. Hazard: Ne pas placer cet a

13、ppareil 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 produit. Suivre les instructions du fa

14、bricant 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 quaucun objet rempli de liquide t

15、el 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 utilisant des cordons dj prpars. Cordon

16、 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 AM SR-300 YS No. DescriptionQty

17、.YS No. DescriptionQty. 3747 CUSTOM .5 LED SPACER BLACK74597 22AWG STRAN TC WIR JMP11 6405 RED 3MM LED 1V7 5MA BRT25299 24AWG SOLID SC WIR RAD JMP7 6400 YEL 3MM LED 1V9 6MA HIGHEFF24749 5.0W 0R15 5% BLK RES4 6401 GRN 3MM LED 1V9 6MA HIGHEFF34748 2.0W 3R9 5% T&R2 6825 1N4148 75V 0A45 DIODE T&R412008

18、1.0W 10R 5%FLAME PROOF T&R RES2 6438 1N4004 400V 1A0 DIODE T&R24605 1/8W 10R 5% T&R RES4 6827 1N5402 200V 3A0 DIODE42014 1/8W 33R 2%FLAME PROOF T&R RES6 6434 6A2 200V 6A0 DIODE44604 1/4W 33R2 1% T&R RES4 6733 BAT85 30V 0A2 DIODE SCHTKYT&R44811 1/4W 68R 5% T&R RES2 6461 1N5240BRL 10V0 0W5 ZENER 5% T&

19、R24735 1.0W 100R 5% T&R RES2 6824 1N5246B 16V0 0W5 ZENER 5% T&R64852 1/4W 100R 5% T&R RES1 6463 1N5251BRL 22V0 0W5 ZENER 5% T&R14921 1/4W 100R 5% .2U T&R RES1 5101 BC550C TO92 NPN TRAN T&R TB84897 1/4W 120R 5% T&R RES2 5102 BC560C TO92 PNP TRAN T&R TB112020 1/8W 150R 2%FLAME PROOF T&R RES4 5103 MPSA

20、06 TO92 NPN TRAN T&R TA24986 1/4W 270R 5%MINI T&R RES2 5104 MPSA56 TO92 PNP TRAN T&R TA22025 1/8W 274R 1%FLAME PROOF T&R RES4 6780 MPSA56 TO92 PNP TRAN TA24950 1/4W 390R 5% .2U T&R RES6 5119 2N5638 TO92 NCH JFET T&R TC24821 1/4W 470R 5% T&R RES3 6810 MJF15030 T221D NPN TRAN TJ22030 1/8W 681R 1%FLAME

21、 PROOF T&R RES2 6811 MJF15031 T221D PNP TRAN TJ24869 1/4W 750R 5% T&R RES2 6814 MJF6668 T221D PNP TRAN DARL TJ14758 1/4W 953R 1% T&R RES6 6815 MJF6388 T221D NPN TRAN DARL TJ14823 1/4W 1K 5% T&R RES4 6988 MJL21194 TO3P NPN TRAN TK24981 1/4W 1K 5%MINI T&R RES2 6991 MJL21193 TO3P PNP TRAN TK24824 1/4W

22、1K5 5% T&R RES2 6840 MC33078P IC DUAL OP AMP24988 1/4W 1K5 5%MINI T&R RES1 6882 TL072CP IC FET DUAL OP AMP54808 1/4W 2K 5% T&R RES2 6884 NE5532N IC DUAL OP AMP14705 2.0W 2K2 5% BLK RES4 6745 LM13600N IC XCONDUCTANCE AMP14847 1/4W 2K2 5% T&R RES1 6880 4N35 OPTO-COUPLER26124 1/4W 3K 5%MINI T&R RES2 64

23、67 10K 10% THERMISTOR NTC TO-9224992 1/4W 3K16 1% T&R RES4 5200 _10P 200V 5%CAP T&R RAD CER.2NPO24756 1/4W 4K120 0.1% * T&R RES2 5406 _33P 50V 10%CAP BLK BEAD NPO24943 1/4W 4K7 5% .2U T&R RES2 5410 100P 100V 10%CAP T&R BEAD NPO26121 1/4W 6K98 1%MINI MF T&R RES2 5416 470P 50V 10%CAP T&R BEAD NPO24787

24、 1/4W 7K960 0.1% * T&R RES2 5206 _1N 400V 5%CAP T&R RAD .2FLM44762 1/4W 9K760 0.1% * T&R RES8 5422 _1N 50V 10%CAP T&R BEAD NPO24829 1/4W 10K 5% T&R RES2 5423 _1N2 50V 10%CAP T&R BEAD X7R24940 1/4W 10K 5% .2U T&R RES8 6451 _4N7 250V 20%CAP BLK Y 10MM AC14983 1/4W 10K 5%MINI T&R RES3 5204 _10N 100V 10

25、%CAP T&R RAD .2FLM44856 1/4W 12K 5% T&R RES2 6435 _22N 275V 20%CAP BLK X2 15MM AC14953 1/4W 12K 5% .2U T&R RES2 5224 _47N 100V 10%CAP T&R RAD .2FLM24830 1/4W 15K 5% T&R RES2 5227 _82N 100V 5%CAP T&R RAD .2FLM24954 1/4W 18K 5% .2U T&R RES2 5228 100N 100V 5%CAP T&R RAD .2FLM166123 1/4W 20K0 1%MINI MF

26、T&R RES10 5314 100N 50V 10%CAP T&R BEAD X7R24833 1/4W 27K 5% T&R RES3 5231 220N 63V 10%CAP T&R RAD .2FLM64956 1/4W 27K 5% .2U T&R RES1 5255 _1U 63V 20%CAP T&R RAD .2EL16122 1/4W 33K 5%MINI T&R RES2 5257 _2U2 63V 20%CAP T&R RAD .2EL34794 1/4W 37K90 0.1% * T&R RES2 5281 _10U 16V 20%CAP T&R RAD .2NP448

27、78 1/4W 43K 5% T&R RES2 5260 _22U 50V 20%CAP T&R RAD .2EL14834 1/4W 47K 5% T&R RES2 5961 _33U 16V 20%CAP T&R RAD .2NP64761 1/4W 60K4 1% T&R RES2 5267 100U 25V 20%CAP T&R RAD .2EL44898 1/4W 91K 5% T&R RES4 5630 330U 25V 20%CAP BLK 10X13MM EL44942 1/4W 100K 5% .2U T&R RES2 5869 4700U 63V 20%CAP BLK 25

28、X40MM ELS26120 1/4W 100K 5%MINI T&R RES6 4390 _10K AUD 16MM DETENT P2224991 1/4W 133K 1%MINI T&R RES2 4522 _4K7 TRIM POT24796 1/4W 180K 5%MINI T&R RES2 714 1.5 MIL X 36 CLEAR POLY SHEETING44841 1/4W 220K 5% T&R RES2 3819 _5UH COIL 18AWG R000 AIR CORE26135 1/4W 270K 5%MINI T&R RES2 3489 CLIP 250X032

29、18-22AWG DISCO/INSL34880 1/4W 680K 5% T&R RES2 3491 CLIP 205/187X020 18-22AWG DISCO/INS14845 1/4W 2M2 5% T&R RES1 3682 250 MALE PCB TAB BULK CARTRIGE74809 1/4W 10M 5% T&R RES2 3452 BND POST PCB MT HORZ QUAD ASSEMBLY14751 1/4W 22M 5% T&R RES2 3498 1/4 JCK PCB MT HORZ23690 _8 4C-28AWG RIB 1 W/LCK HDR

30、0982 3528 1/4 JCK PCB MT HORZ GOLD TR_23574 _9 5C-22AWG RIBBON CABLE 0.12 3451 EYELET SMALL 0.089 OD PLATED53603 16 13C-24AWG RIBBON CABLE 0.11 3412 LOWPROFILE FUSEHOLDER 1/4 LITTLEFS18870 #4 X 1/4 PAN PH TYPE A ZINC2 3414 INTERNATIONAL PC MOUNT FUSEHOLDER48865 4-40 X 5/16 PAN PH MS JS5004 2427 5.0

31、AMP SLO-BLO .25X1.25 FUSE18861 4-40 X 3/8 PAN PH MS JS5002 2405 10.0 AMP SLO-BLO .25X1.25 FUSE28801 6-32 X 3/8 PAN PH TAPTITE JS5002 8434 AP SERIES PLASTIC HANDLE PAIR28829 6-32 X 3/8 FLAT PH TAPTITE BO#4 HEA22 3501 B52200F006 COMP WASH #4 SMALL28824 8-32 X 5/16 PAN QUAD TAPTITE JS50014 3745 DUAL XS

32、ISTOR PBL SPRING PLATE ZN28869 8-18 X 1/2 THRD CUTTING FOR PLASTIC4 3885 XSISTOR SPRING CLIP TO-22048999 8-32 X 5/8 PAN PH TAPTITE JS5007 3795 #8 GROUND LUG ZIERICK 505-16918765 1/4-20 X 2 1/2 HEX HD MS JS500 BLK1 3810 4 NYLON CABLE TIE48607 3/16 NYLON SPACER OD 1/8 X ID .06318 3827 SQUARE BUMPER BU

33、TTON BLACK53744 SNAP IN .375 SPACER RICHCO5 8433 AP SERIES PLASTIC KNOB28818 3/4 OD X 5/16 ID X .08 THICK WASHER2 8661 BUTTON KNOB FLAT GREY23511 #6 FLAT WASHER NYLON2 3484 8 3/18 SJT AC LINE CORD 250WH187BL18850 #10 INT TOOTH LOCKWASHER BO4 3834 HEYCO #1214 STRAIN RELIEF13436 DPDT PUSH SW PCMT H BR

34、EAK B4 MAKE2 3593 PCB CONN 90 5 CIR .15623587 DPDT ROKR SW QUIK 250AC/PWR ON-OFF1 3654 PCB CONN 4 CIR .100 LOCKING21248 SR-300 POWER TRANSFORMER TRD1 3655 13 CIR CABLE HOLDER .0982 5989 4 CIR CABLE HOLDER .0982 8793 4-40 HEX NUT ZINC2 8800 6-32 KEPS NUT ZINC2 8788 1/4-20 KEPS NUT ZINC1 3830 TO218 PR

35、EGREASED MICA 56-78-2AP4 RadioFans.CN 收音机爱 好者资料库 YORKVILLENAME:PCB#&VER: MODELS:SCH ISSUE: TITLE: DATE: M1085 SR-300 M1085AMP.SCH SEP/30/2002 AMPLIFIER_150W 1.70 MJE15030 Q8L 2u2 63V C3L 1n2 C12L MJ15031 Q10L MJL21193 Q9L MJL21194 Q11L 33R R29L 1n C11L 100K R5L 100K R6L SRT USE GOLD 120R R19L 390R R

36、43L 3R9 2W R38L HEATSINK HEATSINK 16V 1N5246A D8L D30L BC560 Q6L 16V 1N5246A D9L D16L 270K R50L 270R R14L D15L D2L A C NC E C B 4N35 U2L 1 2 34 5 6 0R15 5W R31L 0R15 5W R33L 1/2 33078 U1L 6 5 7 20K R12L D13L D1L MPSA56 Q5L D14L 68R R36L 100p C9L 1N5402 D11L 1N5402 D12L 390R R13L D17L 100n C4L 100n C

37、5L MPSA06 Q4L 750R R15LBAT85 D3L 1 5uHL1L 1 220n C8L 5 BC560 Q1L 33pF C2L 1/2 33078 U1L 2 3 1 7K96 R3L 681R R4L 4K12 R1L 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 #DESCRIPTION OF CHANGEVER#DATE MODEL(S):- D SEP/30/02 OCT/08/99 . APR/27/99 MAR/30/99 DEC/08/95 NOV/24/95 . JUL/1

38、2/95 V V 1.70 1.60 . 1.50 1.40 1.30 1.20 . N N CORRECTION_R27L/R28L-1/8W-FLM-PRF HEATSINK_SYMBOL_ADDED R51L,Q15L,D30L PC#5890_RT1L_100K-10K_ADD_R50L, R11L_15K-12K PC#4971 . SR-300 M1085PA.SCH_DATABASE_HISTORY 10R 1W R37L 3K16 R25L 3K16 R26L 33R2 R21L 274R R20L 274R R23L 33R2 R24L 10K RT1L BC550 Q7L

39、6K98 R18L D5L D6L BC550 Q2L 330u 25V C6L 100u 25V C7L 2K2 2W R30L 2K2 2W R35L D7L D10L BAT85 D4L MPSA56 Q3L 390R R10L 10K R8L 12K R11L 33u16V C1L CW 4K7 A R9L 10R R46L D26L D27L CSA 4n7 2 CSA 22n T2.5A 13A/85C T10A CSA 4n7 C1 EY1 TB7 TB5 TB6 TB3 TB2 TB4 TB1 T10A 63V 2u2 C6 D7 2M2 R3 63V 1u C5 10K R2

40、 22VZ 5251B ZD1 CSA 22n C2 5A-SB F1 13A/85C BR1 S1 10A-SB F3 10A-SB F2 IN4004 D6 2K2 R1 50Hz 370VA #1248E C4 63V 4700u 37K9 R2L PX6A02 D3 PX6A02 D4 MJF6668 MJF6388 ECB MPSA06 E B C MPSA56 3 D S G 2N5638 BC550C C B E BC560C 10K R42L D25L MJL21194 MJL21193 ECB TPB C E MJE15031 MJE15030 4 C3 63V 4700u

41、3 PX6A02 D1 2 330u 25V C23L IN4004 D5 60Hz 370VA #1248 T1 PX6A02 D2 33R R44L 10R R47L 33R R45L 10N C10L 33K R51L BC550 Q15L 10N C13L HEATSINK HEATSINK HEATSINK HEATSINK 1/8W 150R-FP R27L 1/8W 150R-FP R28L CLP2 GNDGND GND GNDGND GND KIL +16V_BAT +16V_BAT -16V_BAT O/P O/P -55V -55V -55V +55V +55V +55V

42、 +55V AMP-IN AGND AGNDAGND AGND AGND CIRCUIT WITHIN BOX IS NOT ON POWER AMP BOARD ADDED BATTERY BYPASS CIRCUIT PIN 8 U1 ADDED O/P JACKS CORRECTED I/P WIRES 1.10 D27L, R43L. R19L FROM 510R TO 120R PC#4850/4851 REMOVE R7L, C13L ADD D26L 1. ADJUST R9 ACCROSS TP1&TP2 FOR 4.5 mV BIAS N.A. VERSION EXPORT

43、VERSION 230V A.C 50HZ LINE BLUEGRN/YELBROWN -21V -18V ENCLOSE CIRCUITRY IS OFF-PCB. ENCLOSE CIRCUITRY IS OFF-PCB. CHASSIS CHASSIS 120V A.C 60HZ LINE GREENWHITEBLACK GAIN = 6 5. ALL UNMARKED DIODES IN4148 will have a R suffix for 4. Reference with a L suffix 3. 0.1% 0.1% 0.1% 0.1% MX2L MX1L 4V RMS th

44、e right channel amplifier. TEST POINT HEAT SINK 2. Q3 IS THERMALLY COUPLED TO NOTES: -0.58V INPUT 150 WATTS 4R 25.4VRMS +0.60V -0.58V -0.85V +.67V CONNECT TO M1085 AMP-REF. CLP1 PREAMP PCB 4 3 2 1 4 8 U:M1085V17.PRN BC560 Q3 1/2 TLO72 U2 2 3 1 680K R8A 10K R7A 1K R9A OUT IN SW2 4 5 6 YORKVILLENAME:P

45、CB#&VER: MODELS:SCH ISSUE: TITLE: DATE:DWG_1_OF_2 M1085 SR-300 M1085.SCH OCT/08/99 INPUT/PREAMP 1.40 100n C8 1K R38B 1K5 R10 GREEN LD1 470R R9 16V 33U C10B OUT IN SW2 1 2 3 1K R38A 100n C10 15K R7 100n C9 16V 500mW ZD3 16V 500mW ZD2 MJF6388 Q1 15K R6 MJF6668 Q2 1/2 TLO72 U2 6 5 7 16V 33U C10A YEL LD

46、3B 2K R30B 100n C21 100n C18 100n C19 100n C16 100n C17 100n C14 100n C15 100n C13 100n C12 D1B D1A 1K5 R35B 953R R23B 3K R39B 10M R17B OUT IN H.P.F SW1 4 5 6 91K R20B 1K5 R35A 100K R31A 680K R8B 953R R23A BC550 Q1A 100R 1W R5 100R 1W R4 100K R31B 220n C7B 220n C9B 12K R34B 27K R33B 10K R27B 10M R17

47、A OUT IN H.P.F SW1 1 2 3 91K R20A 220n C7A 220n C9A 60K4_1% R21B 133K1% R22B CLP RED LD4B 12K R34A 27K R33A 20K0 R26B 180K R28B 25V 100u C13B 10u16V C12B PIN 11 D IABC 1/2 LM13600 U3 13 15 14 16 12910 BC560 Q5B 10p C5B 10K R27A 9K760 R3B 1n C1B 1/2 TLO72 U1 6 5 7 953R R1B 953R R2B 9K760 R4B 1n C2B 9

48、K760 R5B 9K760 R6B CW 25A 10K P1B 10u16V C3B 18K R13B 10K R29B 2N5638 Q3B SRT BAL. INPUT JB1B1 2 3 4 5 6 100K R10B 60K4_1% R21A 133K1% R22A 20K0 R16B D2B 1N5240BRL 10V D6B 1K R32B CLP RED LD4A 20K0 R24B D4B D3B 20K0 R25B 10K R7B BC550 Q1B 2K R30A 20K0 R26A 180K R28A 25V 100u C13A 10u16V C12A 10K R37B 100R R14B 100n C20 27K R12B 43K R19B 91K R18B 47n C6B 82n C8B 1K R9B 100n C7 GRN LD2B 50V 22u C11