Tektronix 371B, Service Manual

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371B Service Manual
xv
Introduction
This manual contains information needed to properly service the 371B Program-
mable High Power Curve Tracer as well as general information critical to safe
and effective servicing.
To prevent personal injury or damage to the analyzer, consider the following
before attempting service:
The procedures in this manual should be performed only by a qualified
service person.
Read the General Safety Summary and the Service Safety Summary,
beginning on page vii.
Read Preparation for Use in Chapter of Operating Information
When using this manual for servicing, be sure to follow all warnings, cautions,
and notes.
Performance Check Interval
Generally, the performance check described in Chapter of,
Performance Verification, should be done every 12 months. In addition,
performance check is recommended after module replacement.
If the analyzer does not meet performance criteria, repair is necessary.
Strategy for Servicing
Throughout this manual, the term, module, refers to any field-replaceable
component, assembly, or part of the analyzer.
This manual contains all the information needed for periodic maintenance of the
371B Programmable High Power Curve Tracer (Examples of such information
are procedures for checking performance.)
Further, it contains all information for corrective maintenance down to the
module level. To isolate a failure to a module, use the fault isolation procedures
found in Troubleshooting, part of Chapter of Diagram. To remove and replace
any failed module, follow the instructions in Removal and Installation
Procedures. After isolating a faulty module, replace it with a fully-tested module
obtained from the factory. Chapter of Mechanical Parts List, contains part
number and ordering information for all replaceable modules.