Keysight Technologies Option 503 Service Manual page 480

Assembly Replacement Procedures
RF Area (Options 543, 544, 550)
4. Reconnect the wire harness connector. Once connected, position the
5. Refer to
6. Replace cable W54 (N9020-20127) (2) between top switch port 3 to Low
7. Refer to
8. Replace cable W8 (N9020-20131) (2) between Low Band Switch J2 to
9. Replace cable W20 (N9020-20152) (3) between YTO to Front End
10.Replace cable W59 (N9020-20151) (1) between top switch port 2 to
11.Replace cable W61 (N9020-20129) (2) between bottom switch port 3 to
12.Refer to
13.Refer to
14.Route all ribbon cables to avoid being damaged when the top brace is
15.Refer to
16.Replace the front panel. Refer to the
17.Replace the instrument outer case. Refer to the
480
connections along side the switches as shown in
ribbon cable to the rear of the top switch.
Figure 16-57. Replace cable W52 (N9020-20125) (1) between
top switch port 4 to Low Band Switch J1. Torque to 10 inch-pounds.
Band Switch J3. Torque to 10 inch-pounds.
Figure 16-56. Replace cable W60 (N9020-20128) (1) between
bottom switch port 4 to YTF. Torque to 10 inch-pounds.
Front End Assembly J2. Torque to 10 inch-pounds.
Assembly J4. Torque to 10 inch-pounds.
bottom switch port 1. Torque to 10 inch-pounds.
YTF Assembly. Torque to 10 inch-pounds.
Figure 16-54. Replace cable W62 (N9020-20130) (3) between
bottom switch port 2 to Front End Assembly J9. Torque to
10 inch-pounds.
Figure 16-53. Replace rigid cable W51 (N9020-20171) (1)
between top switch port 1 to Attenuator B output. Torque to
10 inch-pounds.
installed.
Figure 16-43. Position the RF bracket onto the chassis and
replace the sixteen screws (0515-0372). Torque to 9 inch-pounds.
procedure.
replacement procedure.
Figure 16-58. Plug in the
Front Frame Assembly
Instrument Outer Case
N9030A PXA Signal Analyzer Service Guide
replacement