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Replaceable Electrical Parts
8-2
2715 Spectrum Analyzer Service Manual
Parts List Column Descriptions
Column Column Name Description
1 Component Number The component number appears on diagrams and circuit board illustrations, located in the diagrams
section. Assembly numbers are clearly marked on each diagram and circuit board illustration in the
Diagrams section, and on the mechanical exploded views in the Replaceable Mechanical Parts list
section. The component number is obtained by adding the assembly number prefix to the ci rcui t
number (see Component Number illustration following this table).
The electrical parts list is arranged by assemblies in numerical sequence (A1, with its subassem-
blies and parts, precedes A2, with its subassemblies and parts).
Chassis-mounted parts have no assembly number prefix, and they are located at the end of the
electric al parts list.
2 Tektronix Part Number Use this part number when ordering replacement parts from Tektronix.
3 and 4 Serial Number Column three indicates the serial number at which the part was first effective. Column four indicates
the serial number at which the part was discontinued. No entry indicates the part is good for all
serial numbers.
5 Name & Description An item name is separated from the description by a colon (:). Because of space limitations, an item
name may sometimes appear as incomplete. Use t he U.S. Federal Catalog handbook H6-1 for
further item name identification.
6 Mfr. Code This i ndicates the code number of the actual manufacturer of the part.
7 Mfr. Part Number This indicates the actual manufacturer’s or vendor’s part number.
Abbreviations conform to American National Standard ANSI Y1.1-1972.
Component Number
A23A2R1234 A23 R1234
Assembly number Circuit Number
Read: Resistor 1234 (of Subassembly 2) of Assembly 23
A2
Subassembly Number
(optional)
A list of assemblies is located at the beginning of the electrical parts list. The
assemblies are listed in numerical order. When a part’s complete component
number is known, this list will identify the assembly in which the part is located.
Chassis-mounted parts and cable assemblies are located at the end of the
Replaceable Electrical Parts List.
The table titled Manufacturers Cross Index shows codes, names, and addresses
of manufacturers or vendors of components listed in the parts list.
Abbreviations
Component Number
List of Assemblies
Chassis Parts
Mfr. Code to Manufacturer
Cross Index