Yorkville-AM50T-pwr-sm电路图 维修手册.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 AM50T MODEL TYPE: AM50 RadioFans.CN 收音机爱 好者资料库 Manual-Service-am50t-1v0.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 S

3、ERVICING TO QUALIFIED 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

4、packaging materials, 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 m

5、arked on the unit. 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, bracke

6、t or table. The 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 acces

7、sories recommended 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 instal

8、lation by an instructed 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 w

9、ill be damaged. 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.

10、 CONSULTEZ UN TECHNICIEN 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 consultat

11、ions ultrieures. 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 dalimentatio

12、n correspondant 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 d

13、eviter que le systme 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

14、une table recommands 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 do

15、it pas tre expos 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 cb

16、lages extrieurs 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 tec

17、hnicien qualifi pour lentretien de votre appareil. RadioFans.CN 收音机爱 好者资料库 YS-118PW YS No. DescriptionQty.YS No. DescriptionQty. 6405 RED 3MM LED 1V7 5MA BRT24599 22AWG SOLID SC WIR T&R JMP41 6408 GRN 3MM LED 1V9 5MA FROSTED15299 24AWG SOLID SC WIR RAD JMP2 6825 1N4148 75V 0A45 DIODE T&R74675 1/2W 1

18、0R 5% T&R RES2 6438 1N4007 400V 1A0 DIODE T&R14816 1/4W 33R 5% T&R RES1 6827 1N5402 200V 3A0 DIODE44704 5.0W 33R 5% BLK RES1 6822 1N4745A 16V0 1W0 ZENER 5% T&R24897 1/4W 120R 5% T&R RES2 6824 1N5246B 16V0 0W5 ZENER 5% T&R14857 1/4W 220R 5% T&R RES4 5105 MPSA13 TO92 NPN TRANS DARL T&R24770 1/4W 249R

19、1% T&R RES2 6755 LM3876T IC 40 WATT POWER AMP14655 1/2W 330R 5% T&R RES8 6798 MC4741CP IC QUAD OP AMP14799 1/4W 562R 1% T&R RES2 6840 MC33078P IC DUAL OP AMP14981 1/4W 1K 5%MINI T&R RES3 6882 TL072CP IC FET DUAL OP AMP44824 1/4W 1K5 5% T&R RES3 6889 TL074CN IC QUAD O/A T.I ONLY26113 1/4W 2K 5%MINI T

20、&R RES3 5402 _15P 100V 10%CAP T&R BEAD NPO24883 1/4W 2K49 1% T&R RES1 5199 100P 100V 2%CAP T&R RAD CER.2NPO24827 1/4W 4K7 5% T&R RES5 5410 100P 100V 10%CAP T&R BEAD NPO34639 1/4W 4K99 1% T&R RES4 5420 680P 50V 10%CAP T&R BEAD NPO24893 1/4W 5K1 5% T&R RES1 5422 _1N 50V 10%CAP T&R BEAD NPO44863 1/4W 8

21、K2 5% T&R RES2 5208 _2N2 400V 5%CAP T&R RAD .2FLM24800 1/4W 10K0 1% T&R RES12 6451 _4N7 250V 20%CAP BLK Y 10MM AC14829 1/4W 10K 5% T&R RES9 5204 _10N 100V 10%CAP T&R RAD .2FLM26116 1/4W 10K0 1%MINI MF T&R RES3 5207 _18N 100V 5%CAP T&R RAD .2FLM24830 1/4W 15K 5% T&R RES2 6435 _22N 275V 20%CAP BLK X2

22、15MM AC16123 1/4W 20K0 1%MINI MF T&R RES2 5308 _47N 50V 10%CAP T&R BEAD X7R14840 1/4W 33K 5% T&R RES2 5310 _68N 50V 10%CAP T&R BEAD X7R14834 1/4W 47K 5% T&R RES2 5228 100N 100V 5%CAP T&R RAD .2FLM14803 1/4W 49K9 1% T&R RES1 5314 100N 50V 10%CAP T&R BEAD X7R154836 1/4W 68K 5% T&R RES1 5230 180N 63V 5

23、%CAP T&R RAD .2FLM16120 1/4W 100K 5%MINI T&R RES5 5317 180N 50V 10%CAP T&R BEAD X7R14849 1/4W 180K 5% T&R RES2 5231 220N 63V 10%CAP T&R RAD .2FLM24844 1/4W 1M 5% T&R RES1 5233 330N 63V 5%CAP T&R RAD .2FLM13586 ACC# 1BB1C1C SHORT REVERB1 5234 470N 63V 10%CAP T&R RAD .2FLM18742 4-40 X 3/8 PAN PH TAPTI

24、TE JS5002 5255 _1U 63V 20%CAP T&R RAD .2EL38842 #4 X 5/16 PAN QUAD TYPE A JS500 BLK2 5256 _1U 63V 5%CAP T&R RAD .2FLM28801 6-32 X 3/8 PAN PH TAPTITE JS5005 5257 _2U2 63V 20%CAP T&R RAD .2EL18829 6-32 X 3/8 FLAT PH TAPTITE BO#4 HEA4 5945 _10U 63V 20%CAP T&R RAD .2EL18828 6-32 X 3/4 PAN PH TAPTITE JS5

25、003 5961 _33U 16V 20%CAP T&R RAD .2NP28876 #6 X 1 1/2 PAN PH TYPE A JS500 BLK4 5267 100U 25V 20%CAP T&R RAD .2EL38763 8-32 X 1/2 PAN PH MS JS500 BLACK2 5630 330U 25V 20%CAP BLK 10X13MM EL28767 #8 X 3/4 PAN PHIL TYPE A JS500 BLK8 5887 2200U 50V 20%CAP BLK 18X27MM EL28815 8-32 X 3/4 PAN PH TAPTITE JS5

26、001 4417 _10K 5B LIN 9MM HORIZONTAL P2828749 10-32 X 1/2 QDX PH TAPTITE JS5001 4418 _10K 5C R/A 9MM HORIZONTAL P2818753 #10 X 1/2 PAN PH TYPE A JS500 BLACK16 4420 _50K B LIN 9MM HORIZONTAL P2828781 #10 X 7/8 FLAT PHIL TYPE A JS500BLK10 4419 100K B LIN 12MM HORIZONTAL STP2718912 10-32 X 1 FLAT PHIL M

27、S JS500 BLK2 711 30 X 50 X 1.5MIL PLASTIC BAG18843 10-32 X 1 1/8 FLAT PH MS JS5002 3804 SNAP ON 1.5 INSULATING BUSHING18770 1/4-20 X 1 5/16 TRUSS PH MS JS5002 8547 PLASTIC FOOT BLACK, POLYETHYLENE88905 YORKVILLE PRODUCT SCHEMATIC1 8570 CORNER, 2 LEGS NOTCED LIP BLACK63833 8 X 3/8 (250 OD,.171 ID)NY

28、SPACER3 3463 CLIP 110X020 18-22AWG DISCO/INSL27331 8 8R 50WPGM SPEAKER1 3478 CLIP 205/187X032 18-22AWG DISCO/INS28820 #8 FLAT WASHER JS5004 3489 CLIP 250X032 18-22AWG DISCO/INSL98473 #10 BLACK CUPWASHER SWF-10BK3 3490 CLIP 250X032 14-16AWG DISCO/INSL13421 DPDT PUSH SW PCMT MAKE B4 BREAK1 3601 RING T

29、ERMINAL 16AWG WIRE & #8 SCREW33698 SPST ROKR SW QUIK 180 AC PWR BL/BL1 3682 250 MALE PCB TAB REEL108468 VELCRO STRAP 3/4X22CM (VELSTRAP)1 3795 #8 GROUND LUG ZIERICK 505-16921309 BLOC-40B/40K/40W/50B XFMR1 3498 1/4 JCK PCB MT HORZ3 3886 36 RCA DUAL RED-WHITE PREFAB CABLE1 3914 RCA SNGL PCB MT HORZ2 3

30、417S 6-32 SCREW TERMINAL PC MNT SNAP-IN2 3660 XLR FEML PCB MT HORZ1 3451 EYELET SMALL 0.089 OD PLATED6 3414 INTERNATIONAL PC MOUNT FUSEHOLDER2 2468 0.800 AMP SLO-BLO .25X1.25 FUSE1 8451 10 STRAP HANDLE,BLACK METAL ENDCAP1 8604 10-32 T NUT2 7417 8R 30W TWEETER PIEZO TLC 11 3745 DUAL XSISTOR PBL SPRIN

31、G CLEAR ZINC1 9897 CABINET COVER, BLACK, 54 WIDE1 3645 AC SOCKET RECEPTACLE WITH 0.250 TAB1 3801 5/8 BUMPER BUTTON BLACK1 3803 NYLON SECUR-A-TACH MINI PLASTIC TIE1 3810 4 NYLON CABLE TIE5 8642 MAROON KNOB FOR AM WINE RED SERIES6 8649 BUTTON KNOB FLAT BLACK1 3428 8 3/18 SJT AC LINE CORD REMOVABLE1 38

32、34 HEYCO #1214 STRAIN RELIEF1 8267 SMALL TRAYNOR LOGO EMBOSSED ALUMIN.1 8910 YORKVILLE PRODUCT MANUAL1 8900 YORKVILLE WARRANTY CARD 2-YR UNLTD.1 8701 4-40 KEPS NUT ZINC2 8800 6-32 KEPS NUT ZINC3 8787 8-32 KEPS NUT ZINC2 8845 10-32 PEMNUT C-1032-2-Z12 8898 1/4-20 CAGE NUT C79 981420272 3830 TO218 PRE

33、GREASED MICA 56-78-2AP1 8581 CUSTOM PBL TRANSISTOR SPACER1 4597 22AWG STRAN TC WIR JMP7 RadioFans.CN 收音机爱 好者资料库 #Part#Description Labeled Components 174178R 30W TWEETER PIEZO TLC 1 273318 8R 50WPGM SPEAKER 3Z276AM50T GRILL 48267SMALL TRAYNOR LOGO EMBOSSED ALU 58570CORNER, 2 LEGS NOTCED LIP BLACK 684

34、5110 STRAP HANDLE,BLACK METAL EN 78473/8912#10 BLACK CUPWASHER /10-32 X 1 FLAT PHIL MS JS500 BL 88770/88171/4-20 X 1 5/16 TRUSS PH MS JS500/#10 FLAT WASHER 93645AC SOCKET RECEPTACLE WITH 0.250 108468VELCRO STRAP 3/4X22CM (VELSTRA 118547PLASTIC FOOT BLACK, POLYETHYLEN 1234501/4 JCK PCB MT HORZ, GOLD

35、138642MAROON KNOB FOR AM WINE RED SER 143421/8649DPDT PUSH SW PCMT MAKE B4 BREAK/BUTTON KNOB 153660XLR FEML PCB MT HORZ 163698SPST ROKR SW QUIK 180 AC PWR B 1734288 3/18 SJT AC LINE CORD REMOVA 183586ACC# 1BB1C1C SHORT REVERB 19368836 RCA DUAL RED-WHITE PREFAB C 2024680.800 AMP SLO-BLO .25X1.25 (Int

36、ernal Fuse) 21 22 *NOTE: Replacement grills & HF Driver supports are Special-Order and are only available while the model is in production. * Internal Lightbulb not shown 6 4 3 1 2 7 9 not shown 18/19/20 17 10 5 4 3 5 8 11 16 12 1413 15 Parts-Serv-AM50T-Speaker Enclosure D26 1/2 TL072 U3 2 3 1 1/2 T

37、L072 U1 2 3 1 1/2 33078 U2 2 3 1 2/2 33078 U2 6 5 7 1u 16V C19 SRT MONO 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 C

38、7 100N C40 180N C15 2U216V C18 NUTRIX MIC_IN JP4 1 3 2 #7415 3.75 4R 4/4 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 . . . . .

39、 #8641 N N N N #4419 #4418 #4420 #4417 #4420 #4417 F F F F NOTCH GAIN 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/

40、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_POLARITY_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

41、 180K R52 P28 STYLE 1K5 R16 68K R17 MPSA43 E B C MPSA56 220R R29 220R 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 R1

42、4 10K0 R82 10K R85 2N2C64 100K R161 NC V_IN+ V_IN- MUTE GND NC NC(+) V- 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

43、TL074 U5 6 5 7 1/4 TL074 U5 2 3 1 CWD B 100K NOTCH P6 10K0 R44 10K0 R81 #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 R

44、25A 10N C2 100N C58 100K R40 A13 Q10A 50V 1U C22A LM3876 U4 9 10 37 1 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 U

45、10 2 3 1 100P C51 33U16V C9 33K R65A 10R 0.5W R23A 68N C68 680P C15A 1N4004 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 C

46、8 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

47、4K99 R62 20K0 R59 20K0 R60 SRTLINE-OUT NO_GOLD JB4 1 2 3 4 5 6 2/2 TL072 U7 6 5 7 BC550C C B E BC560C T400mA 22n 400V 230Vac 50Hz #1309E 0.5W 330R R206 120R R9 220N. C65 2/2 TL072 U1 6 5 7 4/4 TL074 U5 13 12 14 LG LG LG IG IG IG +35VDC +35VDC -35VDC -35VDC BOG BOG BOG BOG BOG BOGBOG SGSG SG SG SG SG

48、 SG SG SG SG SGSG SG SG SG SG SG SG SG SG SG SG SG SG SG SG SG SG SG -16V -16V AG AG AG AG AG +16V +16V +16V +16V YEL RED RED BLK 100MVRMS 100mvrms PIN 1 CLIP CLIP POLY POLY POLY F1 SW1 C32 T1 EXPORT GRN/YEL BROWN BLUE WHITE GREEN BLACK PIN OUTS LINE OUT REVERB TANK #3586 VOLUMES AT 10, TONES AT 0 AC VOLTAGES MEASURED AT 1KHz AND WITH ALL UNMARKED DIODES ARE 1N4148 NOTES: 3mVrms 1Vrms CHANNEL 2 INPUT INPUT CHANNEL 1 BLK ROUTE GAGE 0.01/HOLE VCD -38VDC AG +38VDC SOLDERSIDE M571_7.00 M571-7.00 AM50 DRILL DETL M571_7.00 C28 25V 330U C27 25V 330U D25 4148 R6