Replacement - Keysight Technologies Option 503 Service Manual

Assembly Replacement Procedures
Front End Control Assembly
4. Refer to
5. Remove the ribbon cables W5, W22, W28, W7, and W55 and the wire
6. The Front End Control assembly can now be unplugged from the
Figure 16-66 Front End Control Cables

Replacement

1. Refer to
2. Reattach the ribbon cables W5, W22, W28, W7, and W55 and the wire
3. Reattach the cables W25, W26, W16, W27, and W30 (Opt EXM) to the
4. Replace the instrument top brace. Refer to the
5. Replace the instrument outer case. Refer to the
N9030A PXA Signal Analyzer Service Guide
Figure 16-66. Remove the cables W25, W26, W16, W27, and W30
(Opt EXM) from the Front End Control assembly (1).
harnesses W11 and W12 from the Front End Control assembly.
motherboard and lifted out of the chassis.
Figure 16-66. Install the Front End Control assembly into slot 11
in the chassis and press down to plug it into the motherboard.
harnesses W11 and W12 to the Front End Control assembly.
Front End Control assembly.
Supply Bracket replacement procedure.
replacement procedure.
Top Brace and Power
Instrument Outer Case
485