7-52 Keysight N5244A/45A Service Guide
Repair and Replacement Procedures
Removing and Replacing the A50–A53 Bypass Switches and the A54 Combiner
7-
Removing and Replacing the A50–A53 Bypass Switches and the
A54 Combiner
Tools Required
T-6 TORX driver (set to 4 in-lb)
— 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.
The bypass switches and the brackets to which they are attached, must be
removed as a complete assembly.
5.
Disconnect four semirigid cables (item
①
) from the bypass switch to be
removed.
If removing the A54 combiner, disconnect three semirigid cables (item
➁
)
from the A54 combiner.
6.
Remove two screws (item
③
) that secure the switch bracket to the test set
deck.
7.
Move the disconnected semirigid cables out of the way and remove the
switch bracket, with the bypass switch attached, from the analyzer
8.
Disconnect the wire harness cable of the bypass switch to be removed
from the test set motherboard.
9.
Remove two screws that attach the bypass switch or the A54 combiner to
the switch bracket.
Replacement Procedure
1.
Reverse the order of the removal procedure.
Torque all cable connectors to 10 in-lbs.
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 ...
Страница 247: ...Keysight N5244A 45A Service Guide 6 59 Replaceable Parts Replaceable Parts Listings This page intentionally left blank ...
Страница 311: ...Keysight N5244A 45A Service Guide 6 123 Replaceable Parts Replaceable Parts Listings ...
Страница 313: ...Keysight N5244A 45A Service Guide 6 125 Replaceable Parts Replaceable Parts Listings This page intentionally left blank ...
Страница 323: ...Keysight N5244A 45A Service Guide 6 135 Replaceable Parts Replaceable Parts Listings This page intentionally left blank ...
Страница 343: ...Keysight N5244A 45A Service Guide 6 155 Replaceable Parts Replaceable Parts Listings This page intentionally left blank ...
Страница 363: ...Keysight N5244A 45A Service Guide 6 175 Replaceable Parts Replaceable Parts Listings This page intentionally left blank ...
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 ...