7
In This Book
This is the Service Guide for your Agilent E3633A and E3634A DC power 
supplies. Unless otherwise stated, the information in this manual applies to 
both two models.
Specifications    Chapter 1 lists the power supply’s specifications and 
describes how to interpret these specifications.
Quick Start    Chapter 2 prepares the power supply for use and helps you get 
familiar with the front panel features.
Calibration Procedures   Chapter 3 provides performance verification and 
calibration procedures.
Theory of Operation   Chapter 4 describes block and circuit level theory 
related to the operation of the power supply.
Service   Chapter 5 provides guidelines for returning your power supply to 
Agilent Technologies for servicing, or for servicing it yourself.
Replaceable Parts    Chapter 6 contains a detailed parts list of the power 
supply.
Backdating    Chapter 7 describes the difference between this manual and 
older issues of this manual.
Schematics   Chapter 8 contains the power supply’s schematics, disassembly 
drawings, and component locator drawings.
If you have questions relating to the operation of the power supply, call 
1-800-452-4844 in the United States, or contact your nearest Agilent 
Technologies Sales Office.
If your Agilent E3633A or Agilent E3634A fails within three years of purchase, 
Agilent will repair or replace it free of charge. Call 1-800-258-5165 ("Express 
Exchange") in the United States, or contact your nearest Agilent Technologies 
Sales Office.