Agilent N5161A/62A/81A/82A/83A MXG Signal Generators Service Guide
Assembly Replacement
Front-Panel
3-10
Front-Panel
Tools Required
• T-20 driver
• needle-nose pliers
Removal Procedure
Refer to Figure 3-4 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. With the signal generator on its side, disconnect W1 and W2 from the A3 RF assembly by squeezing the cable connector and pulling the
cable away from the signal generator.
4. Release W2 from the cable clips.
5. For N5182A instruments, place the signal generator flat with the A2 Vector Module facing you and use the needle-nose pliers to
disconnect the following cables,
• W3 (I Input) from A2J15
• W4 (Q Input) from A2J16
6. Remove the chassis grommet before pulling W3 and W4 thru the chassis (N5182A only).
7. With the signal generator upside down and flat, use the T-20 driver to remove the four screws (1) from the sides of the chassis
CAUTION Before removing the front-panel from the signal generator, lift and support the front frame of the signal generator.
8. Slide the front-panel over the RF output connector (N5181A/82A/83A standard models only).
9. Remove the front-panel.
Replacement Procedure
1. Reverse the order of the removal procedure.
2. Torque all screws to 21 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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