Yorkville EM378 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 em378 RadioFans.CN 收音机爱 好者资料库 Manual-Service-em378-1v00.pdf IMPORTANT SAFETY INSTRUCTIONS safety-4v3.eps Oct. 26/05 CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUAL

3、IFIED SERVICE PERSONNEL. INSTRUCTIONS PERTAINING TO A RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS Read Instructions The Owners Manualshould be read and understood before operation of your unit. Please, save these instruc- tions 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 uni

5、t. 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. The

6、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 recommend

7、ed 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 ins

8、tructed person or the use of ready made leads or cords. Ensure that proper ventilation is provided around the appliance. 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.

9、If the AC supply cord is damaged DO NOT OPERATE THE UNIT. Service The unit should be serviced only by qualified service personnel. 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 TE

10、CHNICIEN QUALIFIE POUR LENTRETIENT INSTRUCTIONS RELATIVES AU RISQUE DE FEU, CHOC LECTRIQUE, OU BLESSURES AUX PERSONNES 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.

11、 Emballage Conservez la boite au cas ou lappareil devait tre retourner pour rparation. 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

12、au voltage spcifi dans le manuel ou tel quindiqu 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 sy

13、stme de mise la terre de lappareil ne soit dsengag. Risque 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 recomm

14、ands par le fabricant ou vendus avec le produit. 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

15、 des gouttements deau ou des claboussures et quaucun objet rempli de liquide tel que des vases ne doit tre plac sur lappareil. Assurez que lappareil est fourni de la propre ventilation. Les dispositifs marqus dune symbole “dclair” sont des parties dangereuses au toucher et que les cblages extrieurs

16、connects ces dispositifs de connection extrieure doivent tre effectivs par un oprateur form ou en utilisant 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

17、pour lentretien de votre appareil. RadioFans.CN 收音机爱 好者资料库 YS-118PW YS No. DescriptionQty.YS No. DescriptionQty. 5931 _6U8 100DC 10%CAP BLK RAD POLYE FLM1 5944 _15U 100DC 10% CAP BLK RAD PLYE FLM3 2422 3.00 AMP CIRCUIT BREAKER PC MOUNT1 711 30 X 50 X 1.5MIL PLASTIC BAG1 3720 _370UH COIL 18AWG R277 A

18、IR COIL1 3773 _690UH COIL 16AWG R000 AIR CORE1 3760 1500UH COIL 14AWG R290 AIR CORE2 8483 ADAPTOR,SPEAKER STAND,METAL,BLACK1 8547 PLASTIC FOOT BLACK, POLYETHYLENE4 8562 CORNER, 3 LEGS, BLACK OXIDE4 8569 CORNER, 2 LEGS NO LIP BLACK OXIDE2 8888 NEOPRENE DRIVER GASKET 4.4 X 4.41 3489 CLIP 250X032 18-22

19、AWG DISCO/INSL7 3540 CLIP 312X032 12-16AWG UNINSULATED2 3682 250 MALE PCB TAB REEL7 3498 1/4 JCK PCB MT HORZ2 6956 SPKON 4C PCB MT HORZ GRY #42 3451 EYELET SMALL 0.089 OD PLATED25 3542 EYELET LARGE SE44 TIN-PLAT BRASS4 8564 SMALL BAR HANDLE ALL METAL2 8604 10-32 T NUT4 7401 8R 120W1.5DRVR B&C TITANI

20、UM DE72P1 3853 1/2-13X 2 NYLON HEX SCREW3 3854 1/2-13X1.5 NYLON HEX SCREW1 3855 1/2-13 NYLON HEX NUT4 9897 CABINET COVER, BLACK, 54 WIDE15.375 3552 NYLON SPRING CLAMP2 3803 NYLON SECUR-A-TACH MINI PLASTIC TIE1 3810 4 NYLON CABLE TIE3 8259D Y LOGO ELITE SERIES LARGE DOMED1 3652 24V 55/50W DUPLO-D #R2

21、 P45T BULB1 8602 1/4-20 T NUT4 4599 22AWG SOLID SC WIR T&R JMP8 5012 15.W 8R2 5% BLK RES1 4706 10.W 22R 5% BLK RES2 8827 4-40 X 1/2 FLAT PH TAPTITE JS5004 8767 #8 X 3/4 PAN PHIL TYPE A JS500 BLK4 8785 #8 X 3/4 OVAL PH TYPE A BLACK OXIDE3 8722 #8 X 1 PAN QUAD TYPE AB B/O10 8875 #8 X 1 1/2 PAN PH TYPE

22、 A JS5002 8809 10-32 X 1/4 PAN PH TAPTITE JS5003 8756 #10 X 3/4 PAN PH TYPE A BLACK OXIDE26 8707 #10 X 7/8 (#8 HEAD)FLAT PHIL TYPE A16 8781 #10 X 7/8 FLAT PHIL TYPE A JS500BLK4 8727 #10 X 1 PAN PH TYPE A JS500 BLACK16 8786 10-32 X 1 1/4 PAN QD MS JS500 BLACK4 8777 #14 X 1FLAT PH TYPE A JS500 M6 HEAD

23、4 8709 1/4-20 X 1.5 PAN PHIL MS ZINC CLEAR4 8739 M6 X 30 PAN PHIL M/S ZINC CLEAR4 3744 SNAP IN .375 SPACER RICHCO10 12/059Y8M 12 8R 350WPGM SPEAKER1 8818 3/4 OD X 3/8 ID X .080 THICK WASHER8 3515 NYLON SHOULDER WASHER (SWS 4003)3 3407 4PDT SLID SW PCMT V GOLD CONTACTS1 RadioFans.CN 收音机爱 好者资料库 22R 10

24、W R1 3AMPS 14AWG 1500uH L1 18AWG 370uH L4 B&C 12/059Y8M 8-OHMS SP1 SRT SRT #7401-DE-72P 8R-120W TITANIUM 22R 10W R2 14AWG 1500uH L2 10 9 8 7 6 5 4 3 2 1 #DESCRIPTION OF CHANGEVER#DATE MODEL(S):- D D D D MAY/22/03 JUN/11/98 MAY/01/98 MAR/24/98 FEB/05/98 DEC/18/97 V V V V 3.20 3.10 3.00 2.00 1.10 1.00

25、 N N N N DRIVER_TO_#7401_DE-72P-TITANIUM PC#5764_C4_10u-15u PC#5707_REDESIGN SWITCH_#3424-#3407_ADD_C5 ADDED_SECOND_SPEAKON FIRST_PROTOTYPE EM378 M541.SCH_DATABASE_HISTORY LB1 FUNC 16AWG 690uH L3 100V15u C4 8R 18W R3 100V15u C3 2+ 2- 1+ 1- BIAMP_IN SPEAKON 100V 15u C1 100V6U8 C2 1+ 1-2+2- YORKVILLEN

26、AME: MODELS: SCH ISSUE: TITLE: DATE: 3.20 EM378 ELITE EM378-CROSS-OVER EM378.SCH MAY/22/2003 2+ 2- 1+ 1- BIAMP_IN SPEAKON NORMALBI-AMP VCD SHEARSHEAR SHEARSHEAR SHEARSHEAR SHEARSHEAR SOLDERSI M541 M541-3.10 DRILL DETL M541-3.00 LO+ . LO- . HI+ . . . . FUNCTION PART#6956 SPEAKON_JACK LR .PART#3407 .

27、. SP1 FUNCTION #3498 . . . 250TAB FUNCTION . . . . . HI- . ETA PART#2422 3AMPS FROM LAMP C3 15u 100V R2 22R 10WATT . . . . . R1 22R 10WATT C2 100V 6u8 . . C1 15u 100V R3 8R 18WATT L3 18AWG COIL 690uH PART#3773 L2 14_AWG 1500uH COIL PART#3760 FUNCTION PART#6956 SPEAKON_JACK 11 10 9 8 7 6 5 4 3 2 1 #D

28、ESCRIPTION OF CHANGEVER#DATE MODEL(S):- D D D D D DEC/2005 JUN/11/98 MRY/11/98 MAR/30/98 FEB/05/98 NOV/97 V V V V V 3.20 3.10 3.00 2.00 1.P2 1.P1 N N N N N PC#6840 UPDATE TAB HOLES PC#5764_C4_10u-15u PC#5707_REDESIGN PC#5673_SWITCH#3424-#3407_ADD_C5 ADDED_SECOND_SPEAKON FIRST_PROTOTYPE EM378 M541.PC

29、B_DATABASE_HISTORY C4 100V 15u MODELPCB# ISSUE# DATEDEC/2005 3.20 M541 EM-378 SP2 L1 14_AWG 1500uH COIL PART#3760 FUNCTION #3498 L4 18AWG COIL 370uH PART#3720 ASSEMBLY M541-3.20 PCB MECH INSTALL L1 AND L2 AS SHOWN INSIDE INSIDE WIRE WIRE OUTSIDE OUTSIDE BULB UP MOUNTED HERE #3652 LAMP +1+1 -2 -2 +2 +2 -1-1 WR13 WR12 WR11 WR10 WR9 WR8 WR7 WR6 WR5 WR4 WR3 WR2 WR1 VER 3.20 WHITE WHITE BLUE BLUE YELL RED BROWN BROWN GRN GRN BLK BI-AMP RANGE FULL RED BLK BLK YELL YELL BLK RED M541 EM378