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HP 8901B Service Manual

HP 8901B
290 pages
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HP
8901B
MODULATION
ANALYZER
Service
Manual
SERIAL
NUMBERS
This
manual provides complete information for in-
struments
with
serial-number prefixes:
2314A
to
2914A
and all
MAJOR
changes that
occur
to
your
instrument.
rev.
12NOV92
For
additional important information about serial
numbers, refer
to
"INSTRUMENTS
COVERED
BY
THIS
MANUAL"
in Section
1.
Fourth Edition
This
material may be reproduced by
or
for the
US.
Government pursuant
to
the Copyright License
un-
der the clause at DFARS
52.227-7013
(APR
1988).
Copyright@ H EWLETT-PACKARD COMPANY 1 987
EAST 24001 MISSION AVENUE, TAF C-34, SPOKANE, WASHINGTON, U.S.A. 99220
Service Manual (Volume 1, 2,
3)
HP Part 08901-901 14
Other Documents Available:
Operation and Calibration Manual HP Part 08901-901
13
Basic Operation and Application Guide 08901-901
17
Microfiche Operation and Calibration Manual HP Part 08901-901 15
Microfiche Service Manual
HP
Part 08901-901 16 Printed in USA.
:
April 1995
HEWLETT
Pia
PACKARD

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HP 8901B Specifications

General IconGeneral
BrandHP
Model8901B
CategoryMeasuring Instruments
LanguageEnglish

Summary

Regulatory Information

Safety Considerations

General safety guidelines, earth ground requirements, and safety symbols for instrument operation.

Product Markings

Explanation of CE and CSA marks found on the instrument.

Section 6 Replaceable Parts

Introduction to Replaceable Parts

Information on ordering parts, reference designations, abbreviations, and the replaceable parts list.

How to Order Parts

Instructions for ordering parts, including necessary information and procedures.

Replaceable Parts List Updating

Information on incorporating manual updates and the Documentation Update Service.

Mechanical and Chassis Part Locations

Identifies mechanical parts using figures and reference designators for ordering.

Recommended Spares List

Information on stocking spare parts and requesting a complimentary list for support.

Section 7 Instrument Changes

Introduction to this Section

Overview of instrument modification recommendations for performance and reliability.

Firmware Change Summary (2314A to 2644A)

Summary of firmware changes, including ROM part numbers and software date codes for updates.

Section 8 Service

8-1. Introduction to this Section

Details on troubleshooting, repair procedures, block diagrams, and operating principles.

8-2. How the Section is Organized

Outlines the structure of Service Information across multiple volumes.

8-3. Safety Considerations

Crucial safety guidelines for operating and servicing the instrument, including electrical hazards.

8-4. Service Tools, Aids, and Information

Lists essential service tools, kits, and aids for maintaining the instrument.

8-5. General Troubleshooting

Categorizes instrument problems and outlines troubleshooting strategies.

8-10. Controller Test LEDs and Test Points

Explains the function of TEST LEDs and test points for troubleshooting the controller.

8-11. Signature Analysis

Method for verifying digital circuitry operation and detecting subtle hardware faults.

8-12. General Disassembly Procedures

Step-by-step instructions for removing instrument covers and assemblies.

8-13. Front-Panel Disassembly Procedure

Procedures for removing the front-panel assembly, including trim strips and connectors.

Replacement of Pushbutton Switches and Annunciator LEDs

Procedures for replacing front-panel pushbutton switches and their illuminated LEDs.

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