Nautel VX150, Руководство по устранению неисправностей, Страница: 161 / 182

VX150 TO VX2 TROUBLESHOOTING MANUAL MECHANICAL DRAWINGS
VERSION 2.0 2023-04-20 PAGE 3.5.1
SECTION 3.5: MECHANICAL DRAWINGS
This section contains mechanical drawings for assemblies of the transmitter. Dimensional drawings may
be included. Refer to
Table 3.5.1 on page 3.5.2 for an itemized list.
Assembly detail drawings for assemblies and modules that have separate manuals are not included.
Refer to the appropriate maintenance manual for the assembly detail of these assemblies.
Identifying Mechanical Drawings
Each mechanical drawing in this section is identified by a number that is both the figure number and
the page number. The numbers are assigned sequentially and are prefixed by the letters
MD
. Drawings
in this section are listed in Table 3.5.1 on page 3.5.2 .
Content of Mechanical Drawings
Mechanical drawings are illustrations that depict the location of electrical components and show
assembly outline detail. Dimensional information is included, where appropriate.
When a module or assembly is the subject of its own assembly detail drawing, and it is also shown in a
higher level assembly, the detail depicted in the higher level assembly may have minor differences from
the module or assembly actually installed. In this case, always refer to the assembly detail drawing of
the module or assembly for detailed information.
Locating a Part or Assembly on a Mechanical Drawing
1. When a part or assembly is assigned a reference designation (e.g.,
A1 or A1R1
), refer to the family
trees in Parts Information on page 3.2.1 . Follow the family tree branches to the block that contains
the desired reference designation and Nautel nomenclature (e.g.,
NAPA40A Power Amplifier PWB
).
Note the reference designations and Nautel nomenclatures of all higher assemblies in the path.
Example:
A7 NAPA40A Power Amplifier PWB
.
2. Refer to Table 3.5.1 on page 3.5.2 . Use the reference designation and Nautel nomenclature to
identify the appropriate mechanical drawing.
Example:
NAPA40A Power Amplifier PWB is shown on mechanical drawing MD-12.
3. If necessary, refer to the referenced figure (e.g.,
MD-12
) in the mechanical drawings at the end of
this section and locate the next, lower-level assembly. Then, repeat this procedure until the desired
part or assembly is found.