Keysight N5244A/45A Service Guide 7-71
Repair and Replacement Procedures
Removing and Replacing the Rear Panel
Removing and Replacing the Rear Panel
Tools Required
— T-10 TORX driver (set to 9 in-lb)
— T-20 TORX driver (set to 21 in-lb)
— 5/16 inch nutsetter (set to 10 in-lb)
— 5/16 inch nutsetter (set to 21 in-lb)
— 5/8 inch nutsetter (set to 21 in-lb)
— 9/32 inch nutsetter (set to 9 in-lb)
— 3/16 inch nutsetter (set to 6 in-lb)
— 9/16 inch nutsetter (set to 21 in-lb)
— 9 mm nutsetter (set to 21 in-lb)
— ESD grounding wrist strap
Removal Procedure
Refer to
for this procedure.
1.
Disconnect the power cord.
2.
Remove the outer and inner covers. Refer to
.
3.
Remove the A20 power supply assembly. Refer to
Replacing the A20 Power Supply Assembly” on page 7-26
4.
Remove the A21 CPU board assembly. Refer to
the A21 CPU Board Assembly” on page 7-28
5.
Remove all jumper cables (item
①
) from the rear panel.
6.
Remove the 50 ohm load(s) (item
➁
).
7.
Remove the connector hardware (item
③
) from each of the five multi-pin
connectors. The hardware is not the same on each connector so note
which hardware goes with which connector.
8.
Remove the connector hardware (item
④
) from each of the RF connectors.
The hardware is not the same on each connector so note which hardware
goes with which connector.
9.
Remove the 13 screws (item
⑤
) that attach the rear panel to the chassis.
10.
Slide the rear panel over the cable connectors and off of the analyzer.
Replacement Procedure
1.
Reverse the order of the removal procedure.
2.
Perform the post-repair adjustments, verifications, and performance tests
that pertain to this removal procedure. Refer to
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 ...