576 Keysight N9038A MXE Service Guide
Assembly Replacement Procedures
Front End Control Assembly
4. Refer to Figure 18-40. Remove the ribbon cables W3, W4, W5, and W12
from the Front End Control assembly (1).
5. Remove the coaxial cables W14, W15, W16, and W22 from the Front End
Control Assembly (1).
6. The Front End Control assembly can now be unplugged from the
motherboard by using the ejector on the Front End Control assembly to
disconnect from the motherboard and lift out of the chassis.
Figure 18-40 Front End Control Cables
Replacement
1. Refer to Figure 18-40. Install the Front End Control assembly into the
correct slot in the chassis. Use the ejector and press down to plug it into
the motherboard.
2. Reattach the coaxial cables W14, W15, W16, and W22 to the Front End
Control Assembly.
3. Reattach the ribbon cables W3, W4, W5, and W12 to the Front End
Control assembly.
4. Replace the instrument top brace. Refer to the Top Brace and Power
Supply Bracket replacement procedure.
5. Replace the instrument outer case. Refer to the Instrument Outer Case
replacement procedure.
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