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Section 7— S-4 Sampling Head
REPLACEABLE
~
ELECTRICAL PARTS
PARTS ORDERING INFORMATION
Replacement parts are available from or through your local
Tektronix, Inc. Field Office or representative.
Changesto Tektronix instruments are sometimes made to
accommodate improved components as they become available,
and to give you the benefit of the latest circuit improvements
developed in our engineering department. It is therefore impor-
tant, when ordering parts, to include the following information in
your order: Part number, instrument type or number, serial
number, and modification number if applicable.
lf a part you have ordered has been replaced with a new or
improved part, your local Tektronix, Inc. Field Office or represen-
tative will contact you concerning any change in part number.
Change information, if any, is located at the rear of this
manual.
LIST OF ASSEMBLIES
A list of assemblies can be found at the beginning of the
Electrical Parts List. The assemblies are listed in numerical order.
When the complete component number of a part is known, this list
will identify the assembly in which the part is located.
CROSS INDEX-MFR. CODE NUMBER TO
i
MANUFACTURER
The Mfr. Code Number to Manufacturer index for the
Electrical Parts List is located immediately after this page. The
Cross Index provides codes, names and addresses of manufac-
turers of components listed in the Electrical Parts List.
ABBREVIATIONS
Abbreviations conform to American National Standard Y1.1.
COMPONENT NUMBER (column one of the
Electrical Parts List)
A numbering method has been used to identify assemblies,
subassemblies and parts. Examples of this numbering method
and typical expansions are illustrated by the following:
Example a.
component number
om
A23R1234
A23
R1234
Assembly number
Circuit number
Read: Resistor 1234 of Assembly 23
Example b.
component number
ee
A23A2R1234
A23
A2
R1234
Assembly
Subassembly
Circuit
poe,
number
number
number
Read: Resistor 1234 of Subassembly 2 of Assembly 23
REV DEC 1983
Only the circuit number will appear on the diagrams and
circuit board illustrations. Each diagram and circuit board
illustration is clearly marked. with the assembly number.
Assembly numbers are also marked on the mechanical exploded
views located in the Mechanical Parts List. The component
number is obtained by adding the assembly number prefix to the
circuit number.
The Electrical Parts List is divided and arranged by
assemblies in numerical sequence (e.g., assembly A1 with its
subassemblies and parts, precedes assembly A2 with its sub-
assemblies and parts).
Chassis-mounted parts have no assembly number prefix
and are located at the end of the Electrical Parts List.
TEKTRONIX PART NO. (column two of the
Electrical Parts List)
Indicates part number to be used when ordering replace-
ment part from Tektronix.
SERIAL/MODEL NO. (columns three and four
of the Electrical Parts List)
Column three (3) indicates the serial number at which the
part was first used. Column four (4) indicates the serial number at
which the part was removed. No serial number entered indicates
part is good for all serial numbers.
NAME & DESCRIPTION (column five of the
Electrical Parts List)
In the Parts List, an Item Name is separated from the
description by a colon (:). Because of space limitations, an Item
Name may sometimes appear as incomplete. For further Item
Name identification, the U.S. Federal Cataloging Handbook H6-1
can be utilized where possible.
MFR. CODE (column six of the Electrical Parts
List)
Indicates the code number of the actual manufacturer of the
part. (Code to name and address cross reference can be found
immediately after this page.)
MFR. PART NUMBER (column seven of the
Electrical Parts List)
Indicates actual manufacturers part number.
7-1
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