Agilent Technologies 85032B/E 50 Specifiche Pagina 123

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8712ET/ES and 8714ET/ES Assembly Replacement
RF Network Analyzers A1 Front Panel Assembly Replacement
Service Guide 3-5
4.Pull the front panel several inches away from the cabinet.
5.Disconnect the ribbon cable from the circuit board.
If you are planning to remove the A3 (fractional-N), A4 (source), or A5 (receiver)
assemblies, remove the handle nut plate on the right side.
If you are planning to remove the A6 (power supply) or the A7 (display) assemblies,
remove the handle nut plate on the left side.
If you are planning to remove the A2 (CPU board) assembly, you should remove both
handle nut plates.
6.To remove the front panel knob, gently pull it off its shaft.
7.To remove the knob, disconnect the five-wire cable from A1J2. Remove the knob, hex
nut, and washer.
NOTE If you are replacing a probe power fuse, the fuses are located in sockets on the
A1 front panel assembly. See Item 6 inTable 7-3on page7-5.
Installing the Front Panel Assembly
To install the front panel, reverse the steps of the“Removing the Front Panel Assembly”
procedure.
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