Instructions

Preface
This service manual provides information that you need to troubleshoot, disassemble, and replace parts on the following Tektronix
oscilloscopes:
Model Bandwidth Channels
TBS2072B
70 MHz 2
TBS2102B
100 MHz 2
TBS2202B
200 MHz 2
TBS2074B
70 MHz 4
TBS2104B
100 MHz 4
TBS2204B
200 MHz 4
Manual conventions
This manual uses certain conventions that you should become familiar with before performing service.
Modules
Throughout this manual, any replaceable component, assembly, or part is referred to by the term module.
Replaceable parts
This manual refers to any field-replaceable assembly or mechanical part specifically by its name or generically as a replaceable part. In
general, a replaceable part is any circuit board or assembly, (such as the hard disk drive), or a mechanical part, (such as the I/O port
connectors), that is listed in the replaceable parts list that can be replaced in the field. (See The replaceable parts list on page 25.)
Safety
Symbols and terms related to safety appear in the General Safety Summary.
Information for service procedures appears in both the General Safety Summary and the Service Safety Summary.
Preface
TBS2000B Series Digital Storage Oscilloscopes Service Manual 10