A3 Rf Assembly (N5166B, N5172B, And N5182B); Tools Required; Removal Procedure - Keysight Technologies X Series Service Manual

Assembly Replacement

A3 RF Assembly (N5166B, N5172B, and N5182B)

A3 RF Assembly (N5166B, N5172B, and N5182B)

Do not disconnect the RF connector cable from the A3 RF assembly
or the RF connector itself. Removing the cable will result in
instrument failure.

Tools Required

— T-10 driver
— 5/16" open-ended wrench
— Flat-head screwdriver

Removal Procedure

Pry slots have been provided on both sides of the A3 RF assembly to aid in
removing the board.
1. Before replacing the A3 RF assembly see
2. Disconnect the power cord.
3. Remove the covers from the signal generator. Refer to
4. Place the signal generator flat with the A2 Vector BBG assembly facing up
5. Referring to
6. Using the 5/16" open-ended wrench, disconnect the following cables
7. Place the signal generator flat with the A3 RF assembly facing up.
8. Refer to
9. Remove the following assemblies, in the order listed
356
Procedures" and perform the
assembly.
page 336, "Inner Top Cover" on page
page 340.
and the rear panel facing you.
Figure 15-12, remove the Cable Clamp and cable W6.
according to the instrument you have.
Instruments without Option 012 refer to
Instruments with Option 012 refer to
Figure 15-8. Remove ribbon cable W1.
a. "A4 SSD (N5166B, N5172B, and N5182B only)" on page 365
b. "A5 CPU" on page 369
c. "Rear Panel (N5166B, N5172B, and N5182B)" on page 405
Keysight CXG, EXG, and MXG X-Series Signal Generators Service Guide
Chapter 16, "Pre and Post-Repair
"Pre Repair Procedures"
338, and "Inner Bottom Cover" on
Figure 15-12, remove W7 and W8.
Figure 15-13, remove W8 and W14.
outlined for this
"Outer Cover" on