Top Brace And Reference Bracket; Removal - Keysight n9020a Service Manual

Assembly Replacement Procedures

Top Brace and Reference Bracket

Top Brace and Reference Bracket

Removal

1. Remove the instrument outer case. Refer to the Instrument Outer
2. Refer to
3. To remove the Top Brace, use the T-10 driver to remove the eight screws
4. If Option BBA is installed, remove the flathead screw (8) (0515-1227)
5. If either Option B85, B1A, or B1X is installed, remove the two flathead
6. To remove the Reference Bracket (2) (if present), use the T-10 driver to
Caseremoval procedure.
Figure 14-6. On analyzers with serial prefix < MY/SG/US5233,
both the Top Brace (1) and the Reference Bracket (2) will be present. On
analyzers with serial prefix ≥ MY/SG/US5233 or any analyzer with Option
B85, B1A, or B1X only the Top Brace (1) will be present.
(3) (0515-0372) attaching the Top Brace to the chassis. Remove the six
flathead screws (4) (0515-1227) attaching the Top Brace to the A7
Midplane, A14 LO Synthesizer, and A15 Front End Controller assemblies.
Remove the four flathead screws (7) (0515-1227) securing the Top Brace
to either the Reference Bracket or the A16 Reference assembly.
securing the Top Brace to the BBIQ Main Board.
screws (6) (0515-1227) securing the Top Brace to the A25 Wideband
Analog IF and A26 Wideband Digital IF assemblies.
remove the six screws (5) (including two at the rear panel) attaching the
Reference Bracket to the instrument.
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