4 Replaceable Parts112 Keysight 53147A/148A/149A Assembly Level Service GuideParts IdentificationTo identify the part(s) you need, refer to the exploded views in Figure 4-1 andFigure 4-2 and the top view of the chassis in Figure 4-3.When ordering from Keysight Technologies, the important numbers to note fromthe Parts List are the Keysight Part Number and the quantity of the part(s) youneed.Reference DesignationsTable 4-1 lists the reference designations used in the parts lists.Cabinet Parts and HardwareTo locate and identify cabinet and external parts and mounting hardware, refer toFigure 4-2 (internal parts and mounting hardware are shown in Figure 4-1). Thesefigures provide different views of the instrument, with the parts identified byreference designations; the reference designations correspond with the ones inTable 4-2.Accessories and Miscellaneous ItemsTable 4-3 lists all of the accessories available for the Counter and alsolists some other miscellaneous items, such as power cords, rack mounts, andmanuals.Table 4-1 Reference DesignationsAHJMPP=====assemblyhardwareelectrical connector(stationary portion); jackmiscellaneous mechanical partelectrical connector(movable portion); plugP/0STTPUW======part ofswitchtransformertest pointintegrated circuit; microcircuitcable; transmission path; wire
