HP 70908A, Service Manual

Page: 292 / 335

A6 Isolator
A6 Isolator
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 A6 Isolator
1. Remove the module cover . (Refer to the \Module Cover" procedure .)
2. Remove the three screws holding the A10 power supply/driver in place and fold it down.
3. Remove the A10 power supply/driver center stando (3).
4. Disconnect the A6 isolator (1) from the bandpass lter (2). Note the orientation of the
A6 isolator .
5. Disconnect the cable from the A16 low pass lter to the isolator IN (4).
T o Replace the A6 Isolator
1. Reconnect the A6 isolator (1) to the bandpass lter (2). Note the orientation of the
A6 isolator .
2. Reconnect the cable from A16 low pass lter to isolator IN (4)
3. Replace the A10 power supply/driver center stando (3).
4. F old up the A10 power supply/driver and replace three screws that hold it in place . T orque
the screws to 20 inch-pounds .
5. Replace the module cover . (Refer to the \Module Cover" procedure .)
Figure 9-16. A6 Isolator Removal/Replacement
Replacing Major Assemblies 9-25