7-50 Keysight N5244A/45A Service Guide
Repair and Replacement Procedures
Removing and Replacing the A42–A45 Bias Tees
7-
Removing and Replacing the A42–A45 Bias Tees
Tools Required
— T-10 TORX driver (set to 9 in-lb)
— T-20 TORX driver (set to 21 in-lb)
— 5/16-inch open-end torque wrench (set to 10 in-lb)
— ESD grounding wrist strap
Removal Procedure
Refer to
for this procedure.
1.
Disconnect the power cord.
2.
Remove the outer cover. Refer to
“Removing the Covers” on page 7-7
3.
Position the analyzer bottom side up.
4.
Disconnect two semirigid cables (item
①
) from the bias tee to be removed.
5.
Remove two screws (item
➁
) from the bias tee to be removed. Make note
of the location of the wire harness cable ground wire for reinstallation
later.
6.
Disconnect the wire harness cable (item
③
) from the bias tee.
7.
Move the disconnected semirigid cables out of the way and remove the
bias tee from the analyzer
Replacement Procedure
1.
Reverse the order of the removal procedure.
Torque all cable connections to 10 in-lbs.
Remember to place the wire harness cable ground lug on the proper
mounting screw.
2.
Perform the post-repair adjustments, verifications, and performance tests
that pertain to this removal procedure. Refer to
Be careful not to damage the center pins of the semirigid cables. Some
flexing of the cables is necessary to remove the assembly. However, do not
over-bend the semirigid cables.
Содержание PNA-X N5244A
Страница 10: ...8 Keysight N5244A 45A Service Guide Contents ...
Страница 90: ...3 62 Keysight N5244A 45A Service Guide Tests and Adjustments Adjustments 3 ...
Страница 146: ...4 56 Keysight N5244A 45A Service Guide Troubleshooting Instrument Block Diagrams Sheet 4 4 ...
Страница 155: ...Keysight N5244A 45A Service Guide 5 9 Theory of Operation Synthesized Source Group Operation Figure 5 3 Source Group ...
Страница 174: ...5 28 Keysight N5244A 45A Service Guide Theory of Operation Receiver Group Operation 5 Figure 5 6 4 Port Receiver Group ...
Страница 175: ...Keysight N5244A 45A Service Guide 5 29 Theory of Operation Receiver Group Operation Figure 5 7 2 Port Receiver Group ...
Страница 188: ...5 42 Keysight N5244A 45A Service Guide Theory of Operation Noise Measurement Group Operation Option 029 5 ...
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Страница 472: ...8 18 Keysight N5244A 45A Service Guide General Purpose Maintenance Procedures Correction Constants 8 ...
Страница 504: ...32 Keysight N5244A 45A Service Guide Index ...
Страница 505: ...Installation Note Xxxxx xxxxx 3 ...