Yorkville-50B-pwr-sch 维修电路原理图.pdf

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1、Before operating this unit, please read this manual thoroughly, and retain it for future use.Veuillez lire ce manuel attentivement avant dutiliser lappareil et le concerver pour consulta-tions ultrieures.RVIS 06/93 Printed in CanadaQuality andInnovationSince 1963SERVICE MANUALYORKVILLE 50BRadioFans.

2、CN 收音机爱 好者资料库Page 250B SERVICE MANUALSPECIFICATIONSPOWER REQUIREMENTS: 117VAC 60Hz 120VAPOWER OUTPUT:50W, 4 Ohm load, 5%THD, 1KHzINPUT SENSITIVITY:INPUT25mVrmsEFFECTS RETURN1N4004PWR_SUPPLY_CAPPC#4625_HOLES_ADDED_FOR_RADIAL50BM510.PCB_DATABASE_HISTORYC2410PN.B TOP Q3OF ROUTED AREA.AGINST THE UPPER P

3、ARTPLACE THE TOP OF Q3 NBOF Q3 TOWARDSBEND BOTTOM LEADS FRONT OF BOARD.AREA AS SHOWN.INTO ROUTEDBEND Q3 DOWNMAXIMUM.COULD BE KEPT TO ABOARD AND CHASSISTHE DISTANCE BETWEENLEADS, ETC, SO THATHOLDER LEGS, DIODESUCH AS WCS, FUSETHE BOTTOM OF BOARDPROTRUDING FROMLEADS THAT ARE*CUT ALL NECESSARYVER-3.30

4、M510 50BGOLD_SBLANK SIZE= 12.250 X 10.9254 For s ver. secondary fuses. Use # 2403 (T2A)DO NOT STUFF C30 OR F1 FUSEHOLDER FOR S VERSION 3WC2/WC3 NO WIRE FOR S VERSIONWC6 GRN/YELL WIRE FOR S VERSION ADD TUBING TO S VERSION WIREGREEN WIRES FOR N.A.WC2=3GRN AND WC6=5GRNBLACK DOUBLE/INSUL. FOR SBLACK 18A

5、WG WIRES FOR N.A.WC1 AND WC321PRODUCTION NOTESASSEMBLY M510_3.30HOLEAZALL double Insulation* Fuse holders no longer need trimming- However, leads should be no longer thanthe length of the fuse holdersALL double Insulation* Fuse holders no longer need trimming- However, leads should be no longer than

6、the length of the fuse holdersSHEARVCDSHEARBLANK SIZE= 12.250 X10.925M510-3.20 C2825V100UC1825V68UC13100NQ2BC560R163K3C1622U16V+Q4FUNCTIONBD139R380.5W1KQ5BDV65BR315W100RC2310N100VDOWNBARD11N5402ZD216VTAB7250TABSEC_INF2T2A4A-FB#3414SECONDARYU1TLO72JB4LINE_OUTP15C10KVOLUMED81N4148Q72N5638R1052K2C2725V

7、100UC12100NC1433NC15680PC1915PC20680PC21100NC22680PC11680PC14N7C722NC10680PC2680PC86N8C3330PJ50C96N8Q1BC560Q3BC550CR182K2R1747KR1522KR1210KR13100KR141K8R192K2R203K3R21680RR2310KR247K5R22270RR2547RR2612RR2712RR32K2R93K3R847KR4100RR715KR615KR110KR103K3R5680RR21MR402K2R4110KR421MR4322KC433U16VJ6C510U16

8、V+J20R390.5W1KR371K5R300.5W22RR351K5R361K5Q6BDV64BR285W0R27R295W0R27DOWNBARD21N5402DOWNBARD31N5402DOWNBARD41N5402ZD316V2200u50VZD422VC174U710V+F3T2A4A-FB#3414SECONDARY2200u50VJB1INPUTGOLDJB5PHONESP350KBMIDP450KB TREBLEP250KBBASSD101N4148D91N4148D111N4148D121N4148R106680RF10.8A-SB#3414AC_LINEC56100NJ

9、4TAB6250TABSEC_INTAB5250TABSEC_GNDTAB1250TABXFMR_PRITAB4250TABAC_BLKTAB2250TABXFMR_PRITAB3250TABAC_WHTWC3WC1C312U225V+C291U25V+J22J8J18J15J3J9C610U16VJ1J13J12J2J14C252200u40VWC6J11J10C262200u 40VD71N4004C304N7250VC3222N400VTAB9250TABOUT(+)TAB8250TABOUT(-)R11270RJ19J21J17J16J101WC2-+LED1REDC33100PR45

10、3K3R463K3R44100KU2TLO72J23J5R11022KC59100PC58100NR1091KR10822KR10722KC573N3D61N40042019181716151413121110987654321#DESCRIPTION OF CHANGEVER#DATEMODEL(S):-DDDDDDDDDDDDDDDEC/02/99.MAY/09/95MAY/01/95.SEP/12/94VVVVVVVVVVVVVV3.31.3.303.20.3.10NNNNNNNNNNNNNNPC#6167_R24_15K-7K5NOW_ADDED_IN_AUTO-INSERTIONPC

11、#4801_ADD_10P_ACROSS_R17PC#4781_D6/D7_BAV21-1N4004PWR_SUPPLY_CAPPC#4625_HOLES_ADDED_FOR_RADIAL50BM510.PCB_DATABASE_HISTORYC2410PKNOBPART#FUNCTIONREFMODEL(S):-AS_OFFFTREBLEMIDBASSVOLUMEPP#4406#4406#4406#4409NNDEC/99DEC/99DEC99DEC/99KK#8693#8693#8693#8693RRP4P3P2P1BM50M510.PCB_POT_LISTN.B TOP Q3OF ROU

12、TED AREA.AGINST THE UPPER PARTPLACE THE TOP OF Q3 NBOF Q3 TOWARDSBEND BOTTOM LEADS FRONT OF BOARD.AREA AS SHOWN.INTO ROUTEDBEND Q3 DOWNBOARD AND CHASSIS WILL BE KEPT TO A MAXIMUMSUCH AS WCS, FUSEHOLDER LEGS, DIODE LEADS ETC SO THAT THE DISTANCE BETWEENCUT ALL NECESSARY LEADS THAT ARE PROTUDING FROM

13、THE BOTTOM OF THE BOARDVER-3.31 M51050BGOLD_SWC1 AND WC3 BLACK 18 AWG WIRES FOR N.A. BLACK DOUBLE/INSUL FOR SGREEN WIRES FOR N.A.WC2=3GRN AND WC6=5GRNWC6 GRN/YELL WIRE FOR S VERSION ADD TUBING TO S VERSION WIREWC2/WC3 NO WIRE FOR S VERSIONDO NOT STUFF C30 OR F1 FUSEHOLDER FOR S VERSION PRODUCTION NOTESBLANK SIZE= 12.250 X 10.925321ASSEMBLY M510_3.20HOLEAZP:510V33.PRN