Sony Tektronix WFM 1125, Service Manual

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WFM 1125 Option 0A/0B/0C/0D Service Manual
ix
Preface
This document supports serial number J310000 and above.
This preface contains information needed to properly use this document to
service the WFM 1125 Digital Television Waveform Monitor Option
0A/0B/0C/0D, as well as general information critical to safe and effective
servicing of this waveform monitor. This manual applies to any instrument with
serial number J310101 and above.
Document Structure
This document is divided into sections, such as Specification and Theory of
Operation. Further, it is divided into subsections, such as Product Description
and Removal and Installation Procedures.
Sections containing procedures also contain introductions to those procedures. Be
sure to read these introductions because they provide information needed to do
the service correctly and efficiently. The following is a brief description of each
document section.
H
Specification contains a product description of the WFM 1125 Digital
Television Waveform Monitor Option 0A/0B/0C/0D and tables of the
characteristics and descriptions that apply to it.
H
Operating Information includes general information and operating instruc-
tions at the level needed to safely power on and service this waveform
monitor. A statement of the service strategy that this document supports, and
instructions for shipment of the waveform monitor are found in this section.
H
Theory of Operation contains circuit descriptions that support general service
and fault isolation down to the module level.
H
Performance Verification contains a collection of procedures for confirming
that these waveform monitor function properly and meet warranted limits.
H
Adjustment Procedures contains a collection of procedures for adjusting
these waveform monitor to meet warranted limits.
H
Maintenance contains information and procedures for doing preventive and
corrective maintenance of these waveform monitor. Instructions for cleaning,
for firmware updates, and for fault isolation to a module are found here.
H
Options contains information on servicing any of the factory-installed
options that may be present in your waveform monitor.