Keysight CXG, EXG, and MXG X-Series Signal Generators Service Guide 405
Assembly Replacement
Rear Panel (N5166B, N5172B, and N5182B)
Rear Panel (N5166B, N5172B, and N5182B)
Tools Required
—T-8 driver
— T-10 driver
— 5/8” hex-nut driver (p/n: 8710-2546)
— 5/16” open-ended wrench
— 1/4” hex-nut driver
Removal Procedure
1. Disconnect the power cord.
2. Remove the covers from the signal generator. Refer to “Outer Cover” on
page 336, “Inner Top Cover” on page 338, and “Inner Bottom Cover” on
page 340.
3. Place the signal generator flat with the rear panel facing you.
4. If Option 006 is installed, refer to Figure 15-42. Remove the Flash Memory
card (1) and cover (2).
5. If Option 012 is installed, use the 5/16” open-ended wrench to disconnect
W14, W15, and W16 from the rear panel.
6. Refer to Figure 15-43. use the 5/16” open-ended wrench to disconnect
W13 from the rear panel.
7. Refer to Figure 15-44 and Figure 15-45. If Option 1EM is installed, use the
1/4” hex-nut driver to remove the two nuts and washers (2) securing the I
and Q cables to the rear panel.
8. Refer to Figure 15-45. Using the 5/8” hex-nut driver, remove the
seventeen nuts and washers (1) securing the A2 Vector BBG assembly
and A3 RF assembly BNC’s to the rear panel.
9. Using the T-8 driver, remove the four screws (3) securing the A2 Vector
BBG assembly connectors to the rear panel.
10.Using the T-10 driver, remove the two screws (4) and the eight screws
(5) securing the rear panel to the signal generators chassis.
11.Pull the rear panel away from the signal generator’s chassis.
Replacement Procedure
1. Reverse the order of the removal procedure.
2. Refer to Figure 15-45. Recommended torque for the four screws (3)
securing the A2 Vector BBG assembly connectors is 6 in–lbs.
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