Agilent N5161A/62A/81A/82A/83A MXG Signal Generators Service Guide
Assembly Replacement
A6 DC-AC Inverter Interface Board (N5181A/82A/83A only)
3-16
A6 DC-AC Inverter Interface Board (N5181A/82A/83A only)
Tools Required
• T-10 driver
Removal Procedure
Refer to Figure 3-7 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. Using the T-10 driver, remove the four screws (1) that secure the inverter shield (2) to the A6 DC-AC Inverter Interface Board (3).
5. Disconnect the W1 ribbon cable (not shown in Figure 3-7) from the A6 DC-AC Inverter Interface board (3).
6. Disconnect the Power Switch cable (4) from the A6 DC-AC Inverter Interface Board (3).
7. Disconnect the LCD 2 wire cable (5) from the A6 DC-AC Inverter Interface Board (3).
8. Disconnect the ribbon cable (6) from the A6 DC-AC Inverter Interface Board (3).
9. Disconnect the LCD flat flex cable (7) from the A6 DC-AC Inverter Interface Board (3).
10. Using the T-10 driver, remove the three screws (8) that secure the A6 DC-AC Inverter Interface Board (3) to the front-panel sub-panel
(9).
11. Remove the A6 DC-AC Inverter 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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