NV40/NV30 Troubleshooting Manual Parts ListsIssue 3.2 2014-12-10 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 designation andform a part of the subject equipment.Family treeFigure 3.1 depicts the family tree for the subject equipment. It is based on the descending order ofthe 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 part must beknown. In addition, the Nautel nomenclature (e.g., NAA56/01D) assigned to the assemblycontaining the part or the full reference designation, including the reference designation of all higherassemblies, must be known.When the nautel nomenclature is known:• Refer to the family tree (Figure 3.1) and identify the block(s) associated with the Nautelnomenclature. At the bottom of the main family tree block, a reference is made to “See PartNumber Index Tables”. Locate the part's reference designation in the identified referencedesignation 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 with the full reference designation.• Follow the family tree branches to the block that represents the lowest level assemblyassigned a Nautel configuration control number. Then locate the part number index table forthat Nautel configuration control number.• Locate the part's reference designation in the specified table.