hameg_hm404-2_oscilloscope_sch_ 电路图.pdf

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1、1 Subject to change without notice Table of contents Circuit Diagrams HM404-2 St:010998/goRR Typical board allocation . 3 Block Diagram HM404 . 4 AT - Board Diagram . 6 Diagram . 7 Top side. 9 Rear side. 13 MB - Board Diagram . 16 Diagram . 17 Diagram . 18 Diagram . 19 Diagram . 20 Top side. 21 Rear

2、 side. 25 YF - Board Diagram . 28 Top and rear side . 29 FC - Board Diagram . 32 Diagram . 33 Top side. 35 Rear side. 39 Readout - Board Diagram . 40 Diagram . 41 Top side. 43 Rear side. 47 CRT - Board Diagram . 50 Top and rear side . 51 PS - Board Diagram . 54 Top side. 55 Rear side. 59 IF (RS 232)

3、 - Board Diagram . 62 Top and rear side . 63 PI - Board Diagram & Top and rear side . 66 RadioFans.CN 收音机爱 好者资料库 2 Subject to change without notice RadioFans.CN 收音机爱 好者资料库 3 Subject to change without notice Typical board allocationRadioFans.CN 收音机爱 好者资料库 4 Subject to change without notice Block Diag

4、ram HM404 5 Subject to change without notice Block Diagram HM404 6 Subject to change without notice AT - Board Diagram 7 Subject to change without notice AT - Board Diagram 8 Subject to change without notice AT - Board Top side 9 Subject to change without notice AT - Board Rear side 10 Subject to ch

5、ange without notice MB - Board Diagram 11 Subject to change without notice MB - Board Diagram 12 Subject to change without notice MB - Board Diagram 13 Subject to change without notice MB - Board Diagram 14 Subject to change without notice MB - Board Diagram 15 Subject to change without notice MB -

6、Board Top side 16 Subject to change without notice MB - Board Rear side 17 Subject to change without notice YF - Board Diagram 28 18 Subject to change without notice YF - Board Top and rear side 19 Subject to change without notice FC - Board Diagram 32 20 Subject to change without notice 33 FC - Boa

7、rd Diagram 21 Subject to change without notice FC - Board Top side 22 Subject to change without notice FC - Board Rear side 39 23 Subject to change without notice Readout - Board Diagram 40 24 Subject to change without notice Readout - Board Diagram 41 25 Subject to change without notice Readout - B

8、oard Top side 26 Subject to change without notice Readout - Board Rear side 27 Subject to change without notice CRT - Board Diagram 50 28 Subject to change without notice CRT - Board Top and rear side 29 Subject to change without notice PS - Board Diagram 30 Subject to change without notice PS - Board Top side 31 Subject to change without notice PS - Board Rear side 32 Subject to change without notice PI board - Diagram and Top side 33 Subject to change without notice IF (RS 232) - Board Diagram 34 Subject to change without notice IF (RS 232) - Board Top and rear side