Replacement - Keysight n9020a Service Manual

Assembly Replacement Procedures
Front Frame Assembly
3. Refer to
4. If the instrument has Option BBA (BBIQ inputs), there will be an additional
Figure 14-77 Front Panel Cable

Replacement

1. Reattach the ribbon cable W1.
2. Reattach the ribbon cable W24 for instruments with Option BBA.
3. Refer to
4. Replace the outer case. Refer to the Instrument Outer Casereplacement
Figure 14-77. Pull the Front Frame Assembly carefully away from
the chassis. Remove the ribbon cable W1 from the mother board.
cable (W24) that will need to be removed. W24 connects to the A18 BBIQ
Interface Board. Pull the Front Frame Assembly carefully away from the
chassis. Remove the ribbon cable W1 from the mother board.
Figure 14-76. Carefully position the Front Frame Assembly onto
the chassis. Ensure no cables are crushed. Replace the eight screws (1),
four on each side of the chassis. Torque to 9 inch pounds.
procedure.
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