VS300 Troubleshooting Manual Parts ListsIssue 10.0 2019-01-18 Page 3-1Section 3: Parts ListsParts informationThis section contains reference designation lists that provide descriptive and provisioninginformation for all electrical and mechanical parts that have an assigned reference designationand form a part of the subject equipment.Family treeFigure 3.1 depicts the family tree for the subject equipment. It is based on the descending orderof the reference designation hierarchy and identifies all assemblies that have an assigned Nautelconfiguration control number.How to locate information about a specific partTo locate the information for a specific part, the assigned reference designation for the partmust be known. In addition, the Nautel nomenclature (e.g., NAPA23/03A) assigned to theassembly containing the part or the full reference designation, including the referencedesignation of all higher assemblies, must be known.When the nautel nomenclature is known:• Refer to the family tree (Figure 3.1 on page 3-4) and identify the block(s) associatedwith the Nautel nomenclature. Locate the part's reference designation in the identifiedreference designation list in this section, noting they are sorted alphanumerically.When the reference designation is known:• Refer to the family tree depicted in Figure 3.1 on page 3-4 with the full referencedesignation.• Follow the family tree branches to the block that represents the lowest level assemblyassigned a Nautel configuration control number, then locate the reference designationinformation for that Nautel configuration control number.• Locate the part's reference designation and associated Nautel Part # in the list providedat the end of this section. In a PDF manual, use Ctrl-F (find) to quickly locate thereference designation.