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WFM 90 and WFM 91 Service Manual
8–1
Replaceable Parts List
This section contains a list of the replaceable modules for this instrument. Use
this list to identify and order replacement parts.
Parts Ordering Information
Replacement parts are available through your local Tektronix, Inc., Field Office
or representative.
Changes to Tektronix instruments are sometimes made to accommodate
improved components as they become available and to give you the benefit of
the latest circuit improvements. Therefore, when ordering parts, it is important to
include the following information in your order:
H Part number
H Instrument type or model number
H Instrument serial number
H Instrument modification number, if applicable
If you order a part that has been replaced with a different or improved part, your
local Tektronix, Inc., Field Office or representative will contact you concerning
any change in part number.
Refer to Service Offerings on page xv for information on the service offerings
that Tektronix, Inc., provides for this instrument.
Module Servicing