2-66
Assembly Replacement
A25 20 GHz Highband Detector
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.