Agilent Technologies 85032B/E 50 Specifiche Pagina 128

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Assembly Replacement 8712ET/ES and 8714ET/ES
A3 Fractional-N/Reference Assembly Replacement RF Network Analyzers
3-10 Service Guide
A3 Fractional-N/Reference Assembly Replacement
CAUTION Perform the following only at an approved ESD workstation. See Figure 4-1
on page 4-3.
Removing the Fractional-N/Reference Assembly
1. Disconnect the power cord.
2. Remove the front panel assembly (see “Removing the Front Panel Assembly” on page
3-4). Remove the handle nut plate on the right side only.
3. Ensure that there is no cable connected to the EXT REF IN BNC connector on the rear
panel.
4. Remove the nut and washer from the EXT REF IN BNC connector on the rear panel.
5. Disconnect the two flexible cables from the front of the assembly. See Figure 3-4.
Figure 3-4. Cable Locations on the Fractional-N/Reference Assembly
6. Grasp the handle tab and pull forward to release the assembly. Once released, the
assembly will easily slide out of its cavity.
Installing the Fractional-N/Reference Assembly
To install the fractional-N/referecnce assembly into the analyzer, reverse the steps of
the“Removing the Fractional-N/Reference Assembly” procedure.
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