Introduction - Agilent Technologies 53147A Assembly Level Service Manual

Chapter 4 Replaceable Parts

Introduction

Introduction
This chapter contains parts-ordering information for the Agilent
53147A/148A/149A Counter. Table 4-1 lists the reference designations
used in the parts list and throughout this guide, Table 4-2 lists all
replaceable assemblies and parts. Figure 4-1 is an exploded view of the
Agilent 53147A/148A/149A's internal parts, Figure 4-2 is an exploded
view of the cabinet and other external parts, and Figure 4-3 is a top view
of the chassis with the shroud removed. These illustrations are provided
to help you locate and identify parts.
Replaceable Parts
Table 4-2 contains a list of replaceable parts that is organized as follows:
1. Electrical assemblies in alphanumeric order by reference designation.
2. Chassis-mounted electrical parts in alphanumeric order by reference
designation.
3. Chassis-mounted mechanical parts in alphanumeric order by reference
designation.
The information given for each part consists of the following:
1. Reference designation.
2. Agilent part number.
3. The quantity (QTY) of the part used in the instrument (field-
replaceable items only).
4. Description of the part.
5. Typical manufacturer's part number for the part (when available).
4-2 Assembly Level Service Guide