FLUKE 45sm 电路图.pdf

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1、Manual Supplement 2005 Fluke Corporation. All rights reserved. Printed in the U.S.A. x Manual Title: 45 Service Supplement Issue: 1 Part Number: 609203 Issue Date: 3/05 Print Date: March 1999 Page Count: 3 Revision/Date: Rev.1, 1/04 This supplement contains information necessary to ensure the accura

2、cy of the above manual. Enter the corrections in the manual if either one of the following conditions exist: 1. The revision letter stamped on the indicated PCA is equal to or higher than that given with each change. 2. No revision letter is indicated at the beginning of the change. RadioFans.CN 收音机

3、爱好者资料库 45 Service Manual Supplement 3/05 1 Change #1 On page 6-13, replace Table 6-5, with the following: Reference Designator Description Fluke Stock No. Total Qty Note C 2 CAPACITOR SMR,CAP,TA,4.7UF,+-10%,20V,3528 605433 1 C 3-10 CAPACITOR SMR,CAP,CER,0.1 UF, +-10%,25V,X7R,1206 747287 8 D 1 DIODE

4、,SI,BAS16,75V,200MA,6NS,SOT-23,TAPE 830489 1 DS 1 TUBE,DISPLAY,VAC FLOUR, 7&8-SEG,10CHAR 783530 1 J 1 HEADER,HEADER,1 ROW,.050CTR, 20 PIN 831529 1 MP 1 FLUKE 45-3021,PWB,DISPLAY 1560732 1 Q 3 TRANSISTOR,SI,PNP,MMBT3906,40V,200MA,250MHZ,225MW,SOT- 23,TAPE 742684 1 R 2,5 RESISTOR SMR,RES,CERM,2.2M,+-5

5、%,.125W,200PPM,1206 811778 2 R 3 RESISTOR SMR,RES,CERM,1.2M,+-5%,.125W,200PPM,1206 806240 1 R 6 RESISTOR SMR,RES,CERM,0,+.05 MAX,.125W,1206 810747 1 R R 10, 15-40 RESISTOR SMR,RES,CERM,64.9K,+-1%,.125W,100PPM,1206 876086 27 R 11-12 RESISTOR SMR,RES,CERM, 10K,+-5%,.125W,200PPM,1206 746610 2 U 1 IC,MI

6、CROCONTROLLER,78F0233,8 BIT,5V,5MHZ,INTGD VFD CONTROL,PROGRAMMED,QFP80,TRAYPurchashed Item 2158757 1 U 2 CMOS 74HC423 SMR,IC,CMOS,DUAL MONOSTB MULTIVBRTR,SOIC 806620 1 U 4 CMOS 74HC132 SMR,IC,CMOS,QUAD, 2 IN NAND W/SCHMT,SOIC 837245 1 Y 1 CERAMIC RESONATOR,4.19MHZ,0.5/0.3%,BUILT IN LOAD CAPS,2812,TA

7、PE 688317 1 Y 2 AUDIO TRANSDUCER,PIEZO,SOUNDER,4KHZ,25V,22MM RND,BULK 602490 1 Z 1 RESISTOR SMR,RES,CERM,SOIC, 16 PIN, 15 RES,10K, +-2% 836296 1 RadioFans.CN 收音机爱好者资料库 Manual Supplement 45 Service 2 3/05 Replace pages 6-14 and 9-8, with the following: FLUKE 45-4021 Figure 9-2. A-2 Display PCA Radio

8、Fans.CN 收音机爱好者资料库 45 Service Manual Supplement 3/05 3 Replace page 9-9 with the following: C/RC Q CL Q GRID8GRID6 SET MX+B 13 5 6 AUTOMIN 12 MAX 4445 GRID0GRID1GRID2 HI GRID3 610 101010 11 1 1 1 1 8 88 8 8 7 11 111111 4 2 33 66 6 0 5 TR CH 13 12 EXT PRN 12 CAL 13 OFF 12 LO 1313 1112 1 LIMIT 2 9F F

9、2 DCV 10 m 12 951 ROC 6 1371141M3 kHz 0 ALARM FUNC 12 GRID10 13 MON SCAN 12 13 12 REM 13 13 LAST 9 9 8 12 REVIEW FIL FIL 2 0 4 2 0 4 5 7 2 0 4 5 7 5 4 2 GRID4 0 6 51 GRID5GRID7GRID9 333 00000 FIL FIL 12 ANODE DEFINITIONS 13 AC 1 3 6 24 51 3 27 ANODE DEFINITIONS PRIMARY DISPLAY 4 51 3 6 274 7 2 6 3 1

10、 4 5 4 51 3 7 2 6 ANODE0 ANODE1 ANODE2 ANODE3 ANODE4 ANODE5 ANODE6 ANODE7 ANODE8 ANODE9 ANODE10 ANODE11 ANODE12 ANODE13SECONDARY DISPLAY VDD1 VDD0 VPP X2 ANI2 P00/INTP0 P01/INTP1 P02/TI P20/SCK3 AVDD VLOADAVSS VSS1 FIP0 FIP3 FIP5 FIP8 FIP10 FIP12 FIP13 FIP15 FIP14 FIP17 FIP16 FIP18 FIP19 FIP20 FIP22

11、 FIP21 X1 ANI0 FIP2 FIP4 FIP6 FIP7 FIP9 FIP11 FIP23 VDD2 ANI1 ANI3 VSS0 P25/SO1 P26/SI1 P27/SCK1 P30/FIP24 P31/FIP25 P33/FIP27 P32/FIP26 P34/FIP28 P35/FIP29 P36/FIP30 P37/FIP31 P40/FIP32 P42/FIP34 P41/FIP33 P43/FIP35 P44/FIP36 P45/FIP37 P46/FIP38 P50/FIP40 P47/FIP39 P51/FIP41 P52/FIP42 P53/FIP43 P54

12、/FIP44 P55/FIP45 P56/FIP46 P57/FIP47 P60/FIP48 P61/FIP49 P62/FIP50 P63/FIP51 P64/FIP52 P23 RESET P21/SO3 P22 P24/BUSY FIP1 OOOOOO O O O O C/RC Q CL Q 74HC132 74HC423 U2 PG-FP4CON U4 REF DES 147 16 VCC PROGRAM / NORMAL FLASH_PRO PART NAME MODE SELECT DECOUPLING CAPACITORS 8 GND NOLOAD VLOAD 65 56 55

13、4 LTE* Y1 4.19MHZ (DB) SWR6 SWR5 SWR4 SWR3 0.1U C9 R19 64.9K VLOAD GND1 TP3 VCC 63 GRID GRID 48 64.9K 64.9K 64.9K 64.9K 64.9K R27 GND1 0.1U S15 1 4 1 BAS16 DS1 GRID8 DSVF-2620 GRID GRID GRID GRID GRID GRID GRID GRID GRID GRID ANODE ANODE ANODE ANODE ANODE ANODE ANODE ANODE ANODE ANODE ANODE ANODE AN

14、ODE ANODE HEADER J3 NOLOAD (HOLD) U1 C10 VCC 74HC132 MMBT3906 U2 SWR2 SWR1 S12 1 2 (RATE) (REL) 12 GND1 (MM) 2 S5 S6 2 (ACC) (UP) S17 1 1 1 S18 21 S11 (N/USD) (FREQ) 2 S4 2 (DOWN) 21 S10 21 (ADC) S3 (OHMS) 1 S16 21 2 S9 (N/USD) 2 (VAC) S2 (DDISP) 21 (AUTO) S8 21 (VDC) 21 (CAL) S21 2121 S14S7 (CONT)

15、21 1 2 4KHZ Y2 PIEZO 10K R11 NOLOAD MMBT3906 64.9K 1 2 3 DISTX 9 74HC132 2 VCC 13 16 3 10 RESET2* J2 GND1 C3 GND1 VCC 25 R5 19 R41 R1310K GRID 74HC132 26 64.9K R12 ANODE ANODE ANODE 10 1 C5 0.1U DSCLK DISRX DISTX VLOAD 11 GND1 GND1 GND1 GND1 12 13 14 J1 J1 3RESET* J1 J1 J1 VCC 16 12 Z1 DISTX GND1 DI

16、SRX J2 3 5 J2 DSCLK 78 LTE* 68 GRID 64.9K 2.2M 2 13 10K TP2 TP5 6 VCC GND1 10 9 8 2 NOLOAD 1 7 J2 GRID 64.9K 57 ANODE DTEST* TP4 Z1 13 16 TP6 15 2 18 ANODE ANODE ANODE ANODE ANODE ANODE ANODE ANODE GRID GRID GRID GRID GRID GRID GRID 60 24 59 51 79 10 12 13 6 11 27 28 29 30 31 32 33 34 35 36 37 39 38

17、 40 41 42 43 45 44 46 47 49 50 52 51 53 54 7 8 9 21 69 71 73 74 76 22 3 58 61 62 64 66 67 70 72 75 77 80 14 17 16 20 4 UPD78F0233 5 14 13 12 11 10 9 8 7 6 5 4 3 2 9 8 7 6 4 3 2 1 0 64.9K R38 64.9K R33 64.9K R32 64.9K R31 R30 R22 R15 64.9K R24 R23 R6 R34 64.9K 64.9K R18 64.9K R28 R36 64.9K R16 R26 R3

18、5 R17 64.9K R37 64.9K R39 64.9K R25 64.9K R21 64.9K R20 U4 0.0 R14 1 3 Q3 VCC 0.1U R3 1.2M R2 Z1 1611 10K Z1 10K 6 16 5 1616 VLOAD VCC VCC 0.1U 0.1U C8 C7 VCC 1 2 3 U4 10 8 RESET GND1 TP1 JUMPER W1 R29 14 13 12 11 10 9 5 6 7 1 2 3 4 ANODE 47K R4 R1 0.0 0 1 2 3 4 5 7 9 10 6 ANODE GRID VLOAD R10 23 5

19、J1 RESET2* 3 J1FIL2 FIL2 2 J1FIL1 FIL1 4 J1 1 J1 20 HEADER 19 J1 18 J1 17 J1 J1 1616 3 6 5 4 U4 U4 74HC132 12 13 11 J1 10 J1 J1 15 16 VCC VCC VCC RESET 8 7 NOLOAD R40 64.9K 10K NOLOAD GND1 10K NOLOAD 0.0 ANODE 64.9K 64.9K 8 2.2M 10K C4 0.1U 74HC423 U2 15 14 1 2 7 11 6 9 105 NOLOAD Q1 S1 1 S13 2 0.1U C6 C2 4.7U 74HC423 D1 427 J1 10K Z1 16 12 FLUKE45-1021-01 Figure 9-2. A2 Display PCA