Agilent Technologies 8590 Series Service Manual page 313

Removal
1. Remove the instrument cover assembly. Refer to the
Cover."
2. Remove the front-frame assembly. Refer to the
Assembly."
3. Place the instrument so that its left side is resting on the work
surface.
4. Disconnect the W20 coaxial cable (1) from AT1, the 10 dB pad. See
Figure
5. Push W20 through the slot (2) on the instrument chassis.
6. Remove the four screws (3) that secure the A3 Front-End assembly
to the instrument chassis.
Figure 7-7 A3 Front-End Replacement, Bottom View
Chapter 7
removal procedure.
removal procedure.
7-7.
Replacing Major Assemblies
A3 Front-End Assembly
"Instrument
"A1 Front-Frame
313