HP 70908A, Руководство по обслуживанию

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A8 321.4 MHz Matching Network
CA UTION
This module contains components that can be damaged or destroyed by
electrostatic discharge . It should be serviced at a static-safe workstation.
(Refer to \Preparing a Static-Safe W ork Station " in Chapter 4.)
T o Remove the A8 321.4 MHz Matching Network
1. Remove the module cover . (Refer to the \Module Cover " procedure .)
2. Remove the four screws (1) that hold the 2nd converter cover to the center casting.
3. Remove the one screw (2), and carefully lift up the A8 321.4 MHz matching network (3).
T o Replace the A8 321.4 MHz Matching Network
1. P osition the A8 321.4 MHz matching network (3) with the pin-feedthrough hole over the
capacitor pin, and press into place .
2. Replace the one screw (2).
3. Check that the 2nd converter cover has RFI gasket strips (4) in all slots .
4. Replace the 2nd converter cover .
5. Replace the four screws (1).
6. Replace the module cover . (Refer to the \Module Cover " procedure .)
9-28 Replacing Major Assemblies