Specifications

2-66

Assembly Replacement

A25 20 GHz Highband Detector

Tools Required

• 5/16” open ended wrench

• needle-nose pliers

Removal Procedure

Refer to Figure 2-32 for this procedure.

1. Disconnect the power cord.

2. Remove the covers from the signal generator. Refer to "Outer Instrument Cover" on page 2-5

and "Inner Instrument Cover" on page 2-7.

3. Position the signal generator with the A31 Motherboard facing away from you and the RF deck

on top.

4. Using the 5/16” open ended wrench, disconnect the A25 20 GHz Highband Detector according to

the signal generator you have.

E8247C/57C: Disconnect the A25 Highband Detector from the A24 20 GHz Highband Coupler.

E8267C: Disconnect the A25 20 GHz Highband Detector from the A33 6dB PAD.

5. Using the needle-nose pliers, disconnect W82 from the A25 20 GHz Highband Detector.

6. Remove the A25 20 GHz Highband Detector.

Replacement Procedure

• Reverse the order of the removal procedure.

• Perform the post-repair adjustments and performance tests that pertain to this removal

procedure.