Agilent Technologies 85032B/E 50 Specifiche Pagina 122

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Assembly Replacement 8712ET/ES and 8714ET/ES
A1 Front Panel Assembly Replacement RF Network Analyzers
3-4 Service Guide
A1 Front Panel Assembly Replacement
The A1 assembly comes in two different versions for both the ET and ES models: 50 and
75. However, the difference is only cosmetic. Both assemblies have all the front panel
components including frame, keyboard, keypad, and knob. The assemblies do not include
the model number nameplate, which must be ordered separately, nor do they include the
type-N connectors which are part of the A5 receiver assembly.
If the front frame has been damaged, but the keypad and knob are acceptable, you can
save money by ordering only the following three parts (refer toTable 7-3on page7-5):
front frame
nameplate (choose according to model number)
front plastic dress panel (choose 50 or 75 version)
CAUTION Perform the following proceduresonly at an approved ESD workstation. See
Figure 4-1on page4-3.
Removing the Front Panel Assembly
1.Disconnect the power cord.
2.Remove the trim strip and the front handles. SeeFigure 3-1.
Figure 3-1. Removing the Handles and Front Panel Assembly
3.Pull the center top of the front panel up slightly and pull the center bottom down
slightly to release the two centered catches.
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