
87421/22A Power Supply
Operating and Service
Manual
Agilent Part Number: 87421-90001
Printed in USA
April 2001
Supersedes: September 1998

Notice
The information contained in this document is subject to change without
notice.
Agilent Technologies makes no warranty of any kind with regard to this
material, including, but not limited to, the implied warranties of
merchantability and fitness for a particular purpose. Agilent Technologies
shall not be liable for errors contained herein or for incidental or
consequential damages in connection with the furnishing, performance, or
use of this material.
Agilent Technologies assumes no responsibility for the use or reliability of
its software on equipment that is not furnished by Agilent Technologies.
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Agilent Technologies, Inc.
Santa Rosa Systems Division
1400 Fountaingrove Parkway
Santa Rosa, CA 95403-1799, U.S.A.
© Copyright 1992, 1998, 2001 Agilent Technologies, Inc.
ii 87421/22A Operating and Service Manual

Warranty
Certification Agilent Technologies certifies that this product met its published
specifications at the time of shipment from the factory. Agilent Technologies
further certifies that its calibration measurements are traceable to the
United States National Institute of Standards and Technology (NIST,
formerly NBS), to the exte nt allowed by the Institute’s calibration facility,
and to the calibration facilities of other International Standards
Organization members.
Warranty This Agilent Technologies system product is warranted against defects in
materials and workmanship for a period corresponding to the individual
warranty periods of its component products. Instruments are warranted for a
period of one year . During the w arranty period, Agile nt T echnol ogies will, at
its option, either repair or replace products that prove to be defective.
W ar ranty ser vice for products i nstalle d b y Agilent an d certain other p roducts
designated by Agilentwill be performed at Buyer’s facility at no charge
within Agilent service travel areas. Outside Agilent service travel areas,
warranty service will be performed at Buyer’s facility only upon HP’s prior
agreement and Buyer shall pay HP’s round trip travel expenses. In all other
areas, products must be returned to a service facility designated by HP.
For products returned to Agilent for wa rranty servi ce, Buyer shall prepay
shipping char ges to Agilent and Agilent s hall pay shipping char ges to return
the product to Buyer. However , Buyer shall pay all shipping charges, duties,
and taxes for products returned to Agilent from another country.
Agilent warrants that its software and firmware designated by Agilent for
use with an instrument will execute its programming instructions when
properly installed on that instrument. Agilent does not warrant that the
operation of the instr ument, or softw are, or fir mware will be un interrupted or
error free.
LIMITATION OF WARRANTY. The foregoing warranty shall not apply
to defects resulting from improper or inadequate maintenance by Buyer,
Buyer-supplied software or interfacing, unauthorized modification or
misuse, operation outside of the environmental specifications for the
product, or improper site preparation or maintenance.
NO OTHER WARRANTY IS EXPRESSED OR IMPLIED. AGILENT
SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OR
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
EXCLUSIVE REMEDIES. THE REMEDIES PROVIDED HEREIN ARE
BUYER’S SOLE AND EXCLUSIVE REMEDIES. AGILENT SHALL
87421/22A Operating and Service Manual iii

NOT BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL,
INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER BASED
ON CONTRACT, TORT, OR ANY OTHER LEGAL THEORY.
Assistance Product maintenance agreements and other customer assistance agreements
are available for Agilent Technologies products.
For assistan ce, ca ll your local Agi lent Technologies Sales and Service Of f ice
(refer to “Service and Support” on page v).
iv 87421/22A Operating and Service Manual