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Assembly Replacement Procedures
Front End Control Assembly
Front End Control Assembly
Removal
1. Remove the instrument outer case. Refer to the Instrument Outer
Caseremoval procedure.
2. Remove the instrument top brace. Refer to the Top Brace and Reference
Bracket removal procedure.
3. Refer to Figure 14-36. Remove the ribbon cables W16, W17, and W18 and
the wire harness W22 from the Front End Control assembly (1).
NOTE W22 will not be present in instruments with Option 503.
NOTE Instruments with Options DP2, MPB, B40, CR3, or CRP will have the
Enhanced Front End Control Assembly which will have additional cables as
shown in Figure 14-37.
4. The Front End Control assembly can now be unplugged from the
motherboard by leveraging up on the ejector and lifting the board up on
the other side.
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