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Repair and Replacement Procedures
Removing and Replacing the A59 noise receiver (downconverter) – (Option 029)
Removing and Replacing the A59 noise receiver (downconverter) –
(Option 029)
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
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.
1. Disconnect the power cord.
2. Remove the outer cover. Refer to
3. Position the analyzer bottom side up.
4. Disconnect all cables and wire harnesses from the A59 noise receiver
5. Loosen three screws (item
6. Move the disconnected cables out of the way and remove the A59 noise
Replacement Procedure
1. Reverse the order of the removal procedure reusing the existing hardware.
2. Perform the post-repair adjustments, verifications, and performance tests
7-68
Figure 7-34
for this procedure.
(downconverter). Make note of all cable connections for reconnection
later.
It may be necessary to disconnect or remove other cables to gain access.
If you do, make note of these cable connections for reconnection later.
(downconverter) to the chassis.
receiver (downconverter) from the analyzer. It may be necessary to loosen
the other end of the coaxial cables to allow them to be moved. Do not
overbend them.
Torque all cable connectors to 10 in-lbs.
that pertain to this removal procedure. Refer to
"Removing the Covers" on page
) that secure the A59 noise receiver
Table 7-2 on page
Keysight N5247B Service Guide
7-6.
7-92.
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