Agilent N5161A/62A/81A/82A/83A MXG Signal Generators Service Guide
Assembly Replacement
A9 Interface Board (N5161A/62A only)
3-18
A9 Interface Board (N5161A/62A only)
Tools Required
• T-10 driver
Removal Procedure
Refer to Figure 3-8 for this procedure.
1. Disconnect the power cord.
2. Remove the covers from the signal generator. Refer to ”Outer Cover” on page 3-4, ”Inner Top Cover” on page 3-6, and ”Inner Bottom
Cover” on page 3-8.
3. Remove the front-panel from the signal generator. Refer to ”Front-Panel” on page 3-10.
4. Disconnect the W1 ribbon cable from the A9 Interface board (3).
5. Using the T-10 driver, remove the six screws (1) that secure the subpanel (2) to the front panel (3).
6. Disconnect the Power Switch cable (4) from the A9 Interface Board (3).
7. Using the T-10 driver, remove the seven screws (5) that secure the A9 Interface Board (3) to the front-panel sub-panel (6).
8. Remove the A9 Interface Board.
Replacement Procedure
1. Reverse the order of the removal procedure.
2. Torque all screws to 9 in–lbs.
3. Perform the post-repair performance tests that pertain to this replacement procedure, see Chapter 4, Post-Repair Procedures and
Performance Verification.
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