HP 181A manual Exchange Assemblies

5

Chapter 5 Replaceable Parts

Introduction

Introduction

This chapter contains information for ordering parts. Table 5-1 lists the exchange assemblies. Table 5-2 lists reference designations used in the parts list and throughout the guide, and Table 5-3 lists all replaceable assemblies and parts for the HP 53131A/132A/181A Counter. Table 5-4 is a list of manufacturer’s code numbers given in the parts list (Table 5-3). It contains the names and addresses corresponding to the code number of the manufacturer. Figure 5-1 is an exploded view of the

HP 53131A/132A/181A.

Exchange Assemblies

Table 5-1 lists assemblies within the HP 53131A/132A/181A that may be replaced on an exchange basis. Factory repaired and tested exchange assemblies are available only on a trade-in basis. Defective assemblies must be returned for credit. (Note that the part numbers for the new and exchange assemblies are also listed in Table 5-3.)

Table 5-1. Exchange Assemblies

Assembly Name		HP Part No.	Exchange Part No.*
A1 Motherboard (HP 53131A)		53131-60004	53131-69004
A1 Motherboard (HP 53132A)		53132-60014	53132-69014
A1 Motherboard (HP 53181A)		53181-60004	53181-69004
A3	Channel 3 Input Board
Option 015, 1.5 GHz		n/a	53132-60003
Option 030, 3 GHz		n/a	53132-60003
Option 050, 5 GHz		n/a	53132-69211
Option 124, 12.4 GHz		n/a	53132-69212
A6	High Stability Oven Timebase (Option 010)	10811-60160	10811-69160
A6	Ultra-High Stability Oven Timebase (Option 012)	10811-60260	10811-69260

* Exchange part availability subject to change without notice. Contact your local Hewlett-Packard Sales Office for current information.

5-2 Assembly-Level Service Guide