Section V
SECTION V
SCHEMATICS, COMPONENT LOCATIONS, DIAGRAMS
t 5-1 INTRODUCTION 5-7 Locating Assembly Packages
5-2 This section contains Component Location 5-8 Each assembly package .is marked at the
diagrams and Schematics for all the assemblies in bottom right hand corner of the right hand pull-
the 3720A. For convenience, and to aid in usage, out page with a large identification number corres-
information on each assembly is contained within pohding to that assembly designator, eg, assembly
assembly packages, listed in assembly designator A1 1 is marked A-ll. Since all interconnections
order. between assemblies are labelled by assembly desig-
nator and pin number, this should aid when
5-3 DRAWING SYMBOLS referring to an assembly.
5-4 Figures 5-1 and 5-4 show drawing symbols
and standards used throughout this section whilst 5-9 THEORY OF OPERATION
Figure 5-2 indicates the internal layout of the
? digital integrated circuits used in the 3720A. 5-10 Functional Diagram
5-5 ASSEMBLY PACKAGES
5-1 1 Figure 5-3 shows a simplified Functional
5-6 Each. assembly package comprises a Com- Diagram of the 3720A indicating the signal flow
ponent Location (and Component Identification through the instrument, the main processing steps
Grid where applicable), and Schematic. and the function of the front panel controls.
5- 1
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