384 Keysight CXG, EXG, and MXG X-Series Signal Generators Service Guide
Assembly Replacement
A7A1 Real Time Aux Power Supply
A7A1 Real Time Aux Power Supply
Tools Required
— T-10 driver
— needle-nose pliers
Removal Procedure
Refer to Figure 15-31 for this procedure.
1. Disconnect the power cord.
2. Remove the covers from the signal generator. Refer to “Outer Cover” on
page 336 and “Inner Top Cover” on page 338.
3. Place the signal generator flat with the A7 Real Time BBG assembly facing
up and the rear panel facing you.
4. Refer to Figure 15-31. Remove power cable W12 from the A7A1 Real Time
Aux Power Supply (1).
5. Remove power cable W10 from A7A1 Real Time Aux Power Supply
assembly.
6. Refer to Figure 15-32. Remove the four screws (1) attaching the A7A1
Real Time Aux Power Supply cover. Remove cover.
7. Refer to Figure 15-33. Remove the fours screws (2) attaching the A7A1
Real Time Aux Power Supply to the chassis.
8. Remove the A7A1 Real Time Aux Power Supply.
Replacement Procedure
1. Reverse the order of the removal procedure.
2. Recommended torque for all T-10 screws is 9 in–lbs.
3. Perform the post-repair procedures that pertain to this replacement
procedure. See Chapter 16, “Pre and Post-Repair Procedures.”
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