HP 54520 Series Service Manual page 9

Contents
7 Replaceable Parts
Ordering Replaceable Parts 7-2
Listed Parts 7-2
Unlisted Parts 7-2
Direct Mail Order System 7-2
Exchange Assemblies 7-2
Power Cables and Plug Configurations 7-3
Exploded Views 7-4
Replaceable Parts List 7-6
8 Theory of Operation
Block-Level Theory 8-3
Power Supply Assembly 8-3
CRT Monitor Assembly 8-4
Main Assembly 8-4
Front Panel 8-4
Disk Drive 8-4
Attenuators 8-4
Attenuator Theory 8-7
Main Assembly Theory 8-7
Acquisition System 8-7
System Control 8-10
Contents-4