Yorkville EP378 Elite PA Processor Service Manual 电路图.pdf

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1、EP378 SERVICE MANUAL Yorkville PROFESSIONAL BALANCED SOUND PROCESSING SYSTEM 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 CANADA Yorkville Sound 550 Granite Court Pickering, Ontario L1W-3Y8 CA

2、NADA Voice: (905) 837-8481 Fax: (905) 837-8746 Quality and Innovation Since 1963 Printed in Canada RadioFans.CN 收音机爱 好者资料库 Manual-Service-ep378 Oct20/2000 INSTRUCTIONS PERTAINING TO A RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS. CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COV

3、ER (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 materials, in

4、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 unit. Thi

5、s 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. The produ

6、ct 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 recommended by

7、 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 instruct

8、ed 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. Service: Th

9、e 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 LUTILISATEU

10、R. 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 tre ret

11、ourner 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 quindiqu sur la

12、ppareil. 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 dsengag. Haz

13、ard: 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 produit. Suivr

14、e 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 quaucun o

15、bjet 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 utilisant des c

16、ordons 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 AM EP37

17、8 Parts List 9/30/98 YS No. DescriptionQty. 5990 GREEN 3MM LED 1V7 20MA RAD W/STOPER1 5991 RED 3MM LED 1V9 20MA RAD W/STOPER2 6438 1N4004 400V 1A0 DIODE T&R4 6825 1N4148 75V 0A45 DIODE T&R10 6822 1N4745A 16V0 1W0 ZENER 5% T&R2 5106 MPSA63 TO92 PNP DARLINGTONT&R2 6774 BD139 TO126 NPN TRANS1 6926 BD14

18、0 TO126 PNP TRANS.1 6840 MC33078P IC DUAL OP AMP2 6882 TL072CP IC FET DUAL OP AMP12 6889 TLO74CN IC QUAD O/A TEXASI ONLY2 5417 330P 50V 10%CAP T&R BEAD NPO4 5413 390P 50V 10%CAP T&R BEAD NPO12 5425 _1N8 50V 10%CAP T&R BEAD X7R4 5205 _15N 100V 10%CAP T&R RADIAL.2FILM12 5226 _68N 100V 5%CAP T&R RADIAL

19、.2FILM4 5228 100N 100V 5%CAP T&R RADIAL.2FILM24 5229 150N 63V 10%CAP T&R RADIAL.2FILM4 5231 220N 63V 10%CAP T&R RADIAL.2FILM8 5233 330N 63V 5%CAP T&R RADIAL.2FILM8 5234 470N 63V 10%CAP T&R RADIAL.2FILM4 5267 100U 25V 20%CAP T&R RADIAL ELE.24 5630 330U 25V 20%CAP RADIAL ELECT BULK2 4518 _10K STEREO/L

20、INEAR HORIZ 12MM2 3489 CLIP 250X032 18-22AWG DISCO/INSL2 3602 RING TERMINAL 18AWG WIRE & #8 SCREW1 3682 250 MALE PCB TAB BULK ON CATRIGE 2 3498 M203-02 PLAIN PC MNT JK SKT8 3414 INTERNATIONAL PC MOUNT FUSEHOLDER2 2435 0.100 AMP SLO-BLO .25X1.25 FUSE1 3827 SQUARE BUMPER BUTTON BLACK3 8661 BUTTON KNOB

21、 FLAT GREY4 8706 ROTARY KNOB BLACK W/BLUE POINTER2 3461 8? 3/18 SVT AC LINE CORD1 3826 HEYCO #1150 STRAIN RELIEF1 5989 4 CIR CABLE HOLDER .0982 8800 6-32 KEPS NUT ZINC1 4599 22AWG SOLID SC WIR T&R63 5299 24AWG SOLID SC WIR RAD2 4973 1.0W 1R 5%FLAME PROOF T&R RES2 4896 1/4W 15R 5% T&R RES2 4637 1/8W

22、68R 5% T&R RES1 4811 1/4W 68R 5% T&R RES11 4852 1/4W 100R 5% T&R RES6 4855 1/4W 330R 5% T&R RES12 4873 1/4W 680R 5% T&R RES12 4823 1/4W 1K 5% T&R RES2 4802 1/4W 1K21 1% T&R RES4 4808 1/4W 2K 5% T&R RES6 4847 1/4W 2K2 5% T&R RES3 6124 1/4W 3K 5%MINI T&R RES4 4774 1/4W 4K12 1% T&R RES4 4639 1/4W 4K99

23、1% T&R RES4 6128 1/4W 4K99 1%MINI MF T&R RES4 4870 1/4W 6K2 5% T&R RES4 4801 1/4W 6K98 1% T&R RES4 4810 1/4W 9K1 5% T&R RES2 4762 1/4W 9K760 0.1% * T&R RES8 6116 1/4W 10K0 1%MINI MF T&R RES30 4856 1/4W 12K 5% T&R RES4 4901 1/4W 13K 5% T&R RES2 4830 1/4W 15K 5% T&R RES2 4784 1/4W 17K40 0.1% * T&R RES

24、2 4885 1/4W 20K 5% T&R RES4 4832 1/4W 22K 5% T&R RES2 4902 1/4W 24K 5% T&R RES6 4890 1/4W 30K 5% T&R RES1 4941 1/4W 30K 5% .2U T&R RES1 4840 1/4W 33K 5% T&R RES2 4895 1/4W 51K 5% T&R RES4 4835 1/4W 56K 5% T&R RES2 4760 1/4W 75K 5% T&R RES2 4838 1/4W 100K 5% T&R RES5 6120 1/4W 100K 5%MINI T&R RES1 48

25、44 1/4W 1M 5% T&R RES4 3616 13 8C-26AWG RIBBON CABLE 2.5MM0.5 9005 20GA COLD ROLLED STEEL 4X8? SHEET0.7 9020 18GA COLD ROLLED STEEL 4X8 SHEET1.741 9640 .025 FISHPAPER ( FLAT 48 SHEETS )0.52 8801 6-32 X 3/8 PAN PH TAPTITE SJ5001 YS No. DescriptionQty. 8829 6-32 X 3/8 FLAT PH TAPTITE BO#4 HEA14 8809 1

26、0-32 X 1/4 PAN PH TAPTITE SJ5002 8905 YORKVILLE PRODUCT SCHEMATIC1 3517 NYLON WASHER #8 0.0621 8491 #10 SPLIT LOCK WASHER BO2 3436 DPDT PUSH SW PCMT H BREAK B4 MAKE4 1242 PROCESSOR PC MOUNT CE 220/125V XFMR1 RadioFans.CN 收音机爱 好者资料库 10K0 R33A 10K0 R36A 15N C3A 4K990 R9A 680R R37A 4K12 R81A TLO72 1/2

27、(4=V-,8V+) U10A 2 3 1 C21A 330N 68N C32A 1M R83A 12K R82A TLO72 1/2 (4=V-,8V+) U9A 6 5 7 CWD 10K A FREQ. P1A 2K R84A C34A 470N C46A 150N 30K R85A CWD 10K A FREQ. P1A 1/2 TLO72 U1A 6 5 7 TLO72 1/2 (4=V-,8V+) U9A 2 3 1 C55 330N 13K R20A 4K99 R27A 12K R79A 1M R80A 68N C20A 4K12 R78A 100K R23A 22N C42A

28、10K R56 100N C43A OUT IN FULL_RANGE/BI_AMP S1 1 2 3 3K R48A 2K R47A 100N C41A 3K R46A 2K R45A 330P C11A C50A 330N 6K2 R29A 24K R30A 22K R32A 51K R31A 1/2 TLO72 U4A 6 5 7 56K R26A C48A 150N 51K R25A 1N8 C10A 75K R24A 1/2 33078 U3A 6 5 7 1N8 C8A 100K R22A 1/2 33078 U3A 2 3 1 6K98 R21A 680R R103A 330R

29、R99A SRT CH1_OUTPUT JB4A1 2 3 4 5 6 100n C30B 1R R6 1W 1W 1R R7 100uF 25V C5 100uF 25V C6 390p C2A 680R R71A 10K0 R66A SRT CH1_OUTPUT MID/FULL_RANGE JB3A1 2 3 4 5 6 10K0 R69A 330R R70A 10K0 R64A 330R R67A 68R R73A 68R R74A 10K0 R65A 390p C60A 100n C29B 100n C31A 100n C30A 9K76/0.1% R3A 33K R7A 9K76/

30、0.1% R6A 9K76/0.1% R4A 1K21/1% R2A SRT CH1 INPUT JB1A1 2 3 4 5 6 390p C1A 1K21/1% R1A C45A 220N 9K76/0.1% R5A 1/2 TLO72 U8A 2 3 1 1N4004 D3 330R R40A 68R R42A 10K0 R34A 68R R41A 390p C16A 1N4004 D1 1/2 TLO72 U1A 2 3 1 1N4004 D2 1N4004 D4 GREEN LD1 2K2 R1 2K2 R3 2K2 R5 15R R4 15R R2 BD140 Q2 330U 25V

31、 C3 BD139 Q1 100uF 25V C1 16V 1W ZD2 16V 1W ZD1 0.1A F1 330U 25V C4 330R R38A 1/2 TLO72 U4A 2 3 1 10K0 R97A 10K0 R93A 680R R98A C47A 220N 330R R96A 10K0 R95A 100R R39A 1/2 TLO72 U5A 2 3 1 1/4 TLO74 U6A 13 12 14 20K R51A 1/2 TLO72 U2A 2 3 1 C54 220N 3K R49A 1/2 TLO72 U5A 6 5 7 10K0 R94A 100R R100A 15

32、n C39A 1/2 TLO72 U11A 6 5 7 390p C40A YORKVILLENAME:PCB#&VER: MODELS:SCH ISSUE: TITLE: DATE: M560_V1.00 ELITE_PROCESSOR_EP378 ELITE.SCH JUNE/01/98 ELITE P1 15N C6A 10K0 R35A 3K R52A 68R R101A 100uF 25V C2 20K R50A 4K99 R28A SRT CH1_OUTPUT JB2A1 2 3 4 5 6 680R R72A 24K R57 680R R43A 15n C17A 68R R102

33、A 1/4 TLO74 U6A 2 3 1 15n C58A 100R R68A XF1 3 4 120VAC 60HZ #1242 330P C12A XF1 5 7 8 4148 D6A 22N C44A 4148 D7A 1/2 TLO72 U8A 6 5 7 100n C24A 100n C23A XF1 1 2 100n C22B 100n C22A 100n C25A 100n C26A 100n C28B 100n C25B 100n C27A 100n C28A 100n C27B 100n C26B 100n C29A 100n C23B 100n C24B 4148 D5A

34、 17K40_0.1% R11A 15N C4A 4K990 R10A RED LD2A OUT IN PLAY_BACK/VOICE S2 1 2 3 15K R17A 100K R16A 1K R18A C35A 470N C49A 220N 4148 D4A 4148 D3A 24K R54A OUT IN S3A 1 2 3 10K R53A 1/4 TLO74 U6A 6 5 7 MPSA63 Q1A 390p C9A 10K0 R12A 6K2 R15A 1/2 TLO72 U2A 6 5 7 9K1 R14A 6K98 R13A 1/4 TLO74 U6A 9 10 8 C33A

35、 330N V+V+V-V- +15V +15V -V -V GND GND GND GND GNDGND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GNDGND GND GND GND GND GND GND GND GND +V IG IG IG IG IG IG IG IG -15V -15V HIGH PASS WITH LOW Q AT LOW CUT-OFF A = AC LINE D = AC NEUTRAL B + D TO AC NEUTRAL A + C TO AC LIN

36、E D C B A ALL SWITCHES ARE MAKE BEFORE BREAK, #3436 *NOTE* ACCEPT OP-AMP PINS REVERSED. 3.5K AND 16K NOTCHES HORN SUBWOOFER HIGH PASS HIGH PASS HIGH PASS HP WITH 6dB BOOST AT 35Hz LOW PASS LOW PASS LOW PASS LOW PASS CLIP CIRCUIT BAND-PASS CENTERED AT 2KHZ VARIABLE LOWPASS FILTER VARIABLE LOWPASS FIL

37、TER B + C ARE JOINED 220VAC OPERATION #1238 PC MOUNT TRANSFORMER 120VAC OPERATION #1238 PC MOUNT TRANSFORMER CHAN B IS IDENTICAL ONLY CHAN A IS SHOWN BYPASS CAPS ARE CONNECTED ACROSS I.C SUPPLIES. NOTE:ALL UNMARKED DIODES ARE IN4148 SUB_IN FULL_RANGE U:M560 1.PRN RadioFans.CN 收音机爱 好者资料库 .020 .012 .0

38、08 .005 VCD SHEAR SHEAR SOLDERSIDE M560-1.00 R33B10K0 R36B10K0 R9B4K990 R37B680R R81B 4K12 R83B 1M R82B 12K R84B 2K C1B 390P R20B 13K R19B DNS R80B1M J24A C11B 330P R48B3K R47B 2K R46B 3K R45B2K R29B 6K2 R30B 24K C9B 390P R31B 51K R26B56K R25B 51K R24B75K R22B 100K R21B6K98 R103B 680R R99B 330R R71B

39、680R R66B10K0 R69B 10K0 R70B 330R R64B10K0 R67B 330R R73B68R R74B68R R65B10K0 R3B 9K760 R6B9K760 R4B9K760 R2B1K21 R1B 1K21 R5B9K760 R40B330R R42B 68R R34B 10K0 R41B 68R R38B330R R97B 10K0 R93B 10K0 R98B 680R R96B 330R R95B 10K0 R39B 100R R51B20K R94B 10K0 R100B 100R R35B 10K0 R101B 68R R50B 20K R72B

40、 680R R5724K R43B 680R R102B68R R68B100R R7 1R 1WATT R11B17K40 R10B4K990 R17B15K R16B 100K R54B24K R12B10K0 R15B6K2 R14B9K1 R13B 6K98 C3B 15N C32B 68N C20B 68N C42B 22N C43B 100N C41B 100N C10A 1N8 C10B 1N8 C1A 390P C31B 100n C30B 100n J4B R28B4K99 C39B 15n R78B 4K12 C6B 15N C17B 15n C58B 15n C44B 2

41、2N C24B 100n C23B 100n C22B 100n C25B 100n C26B 100n C27B 100n C28B 100n C29B 100n C4B 15N C16B 390P C12B 330P Q1 BD139 J2 U9B TL072 (4=V-,8V+) U1B TL072 U4B TL072 U3B 33078 U8B TL072 U5B TL072 U11B TL072 U2B TL072 C21B 330N C34B 470N C46B 150N C55 330N C50B 330N C48B 150N C45B 220N C47B 220N C54 22

42、0N C35B 470N C49B 220N C33B 330N JB4B SUBB_OUTPUT JB3B WOOFERB_OUTPUT JB2B HORNB_OUTPUT S3B BRIDGE #3436 C60 390P J7B J11 R32B22K J13B J8 J21B D4B4148 D3B 4148 Q1B MPSA63 J4 TOPA TOPB WIPB BOTB BOTA WIPA P1B 1A 10K/STEREO #4518 J1 J30B JB1B CHANNELB_INPUT J12B J6B J16B J12 J11B D6B 4148 J19B JB4 R85

43、B 30K R56 10K J9B R18B 1K C40B 390P J22B U6B TL074 D7B4148 C2B390P D5B4148 J8B R49B 3K R52B 3K R53B 10K J22A J15A J21A J19A D7A 4148 J12A J7A J13A J2A J14A J1A J11A J10A J6A J9A U6A TL074 R79A 12K JB4 J18A JB2A HORNA_OUTPUT JB1A CHANNELA_INPUT J25A J26A S3A BRIDGE #3436 J4A Q2 BD140 Q1A MPSA63 J3B D

44、4 1N4004 D2 1N4004 D1 1N4004 D3A4148 D4A4148 D6A4148 C8B 1N8 C11A 330P C3 330U 25V C2 25V 100uF C125V 100uF C5A C6 25V 100uF JB3A WOOFERA_OUTPUT JB4A SUBA_OUTPUT S2 PLAY/LIVE #3436 C33A 330N C49A 220N C35A 470N C54 220N C47A 220N C45A 220N C48A 150N C50A 330N C55 330N C46A 150N C34A 470N U2A TL072 U

45、11A TL072 J8A U5A TL072 U8A TL072 U3A 33078 U4A TL072 U1A TL072 U9A TL072 (4=V-,8V+) C9A 390P C12A 330P C60 390P C4A 15N R56 10K C29A 100n C28A 100n C27A 100n C26A100n C25A 100n C22A 100n C23A 100n C24A 100n C44A 22N C58A 15n C17A 15n C6A 15N J27A C39A 15n J31B C40A390P D5A4148 C30A 100n C31A 100n C

46、16A 390P ZD1 16V C8A 1N8 C41A 100N C43A 100N C42A 22N C20A 68N C32A 68N R13A6K98 R14A9K1 R15A6K2 R12A10K0 R52A3K R54A24K R18A 1K R16A 100K R17A 15K R10A 4K990 R11A 17K40 GUIDE ETCH R68A100R R102A 68R R43A680R R5724K R72A680R R50A20K R101A 68R R49A 3K R35A 10K0 R100A 100R R94A10K0 R51A20K R39A 100R R

47、95A 10K0 R96A 330R R98A 680R R93A 10K0 R97A 10K0 R38A 330R R2 15R R4 15R R5 2K2 R3 2K2 2K2 R41A 68R R34A 10K0 R42A 68R R40A330R R5A 9K760 R1A 1K21 R2A1K21 R4A 9K760 R6A 9K760 R3A 9K760 R65A 10K0 R74A 68R R73A 68R R67A 330R R64A 10K0 R70A 330R R69A 10K0 R66A 10K0 R71A 680R R6 1R 1WATT R99A 330R R103A

48、 680R R21A 6K98 R22A 100K R24A75K R25A 51K R26A56K R31A 51K R32A 22K R30A 24K R29A 6K2 R45A 2K R46A3K R47A 2K R48A 3K R53A 10K R23A 100K R80A 1M J17A R27A 4K99 R20A 13K R85A 30K R84A 2K R82A 12K R83A 1M R81A 4K12 R37A680R R9A4K990 R36A 10K0 65 4321 87 XF1 120VAC XXVA60HZ F1 ZD2 16V J1B J3 D31N4004 C

49、2A 390P C5 25V 100uF R7B 33K S1 FULLRANGE/BI-AMP #3436 TOPA TOPB WIPB BOTB BOTA WIPA P1A 1A 10K/STEREO #4518 C21A 330N J3A C3A 15N R33A 10K0 J29B J2B J15B R78A 4K12 J17B R79B 12K J23B J10B J9 1 FUNCTION J14B J5 J6 LD2B R TAB2 TAB1 LINE/BLACK NEUTRAL/WHITE J10 J5B R27B 4K99PART# R7A 33K CE-T0.1A/230Vac CSA-0.1ASB/120Va