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Assembly Replacement Procedures
Front Frame Assembly
3. Refer to Figure 14-77. Pull the Front Frame Assembly carefully away from
the chassis. Remove the ribbon cable W1 from the mother board.
4. If the instrument has Option BBA (BBIQ inputs), there will be an additional
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 14-77 Front Panel Cable
Replacement
1. Reattach the ribbon cable W1.
2. Reattach the ribbon cable W24 for instruments with Option BBA.
3. Refer to 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.
4. Replace the outer case. Refer to the Instrument Outer Casereplacement
procedure.
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