392 Keysight CXG, EXG, and MXG X-Series Signal Generators Service Guide
Assembly Replacement
A7 Micro-Deck (N5173B/83B only - Standard)
A7 Micro-Deck (N5173B/83B only - Standard)
Tools Required
— T-10 driver
— 5/16” open-ended wrench
Removal Procedure
Refer to Figure 15-36 for this procedure.
1. Before replacing the A7 Micro-Deck assembly see Chapter 16, “Pre and
Post-Repair Procedures” and perform the Pre-Repair Procedures outlined
for this assembly.
2. Disconnect the power cord.
3. 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.
4. Remove the rear panel from the signal generator. Refer to “Rear Panel
(N5173B/83B)” on page 408.
5. Using a 5/16” open-ended wrench, disconnect the semi-rigid cables at
the locations (1) shown in Figure 15-36.
6. Unplug the flexible gray cables at the locations (2) shown.
7. Using the T-10 driver, remove the three screws (3) (0515-0374) that
secure the A7 Micro Deck to the chassis.
8. Using the T-10 driver, remove the six screws (4) (0515-0664) that secure
the A7 Micro Deck to the chassis.
9. Remove the A7 Micro Deck.
The rear panel must be removed to allow the pin connector on the A7
Micro Deck to be disconnected from the A3 RF assembly without
damaging the connector pins.
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