Agilent Technologies 11896A, User'S And Service Manual

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V erication and Service Information
Service Information
Replacement procedures
This section describes procedures for replacing the assemblies in the
Agilent 11896A polarization controller . T o replace an assembly:
Locate the desired assembly in Figure 5-1.
F ollow the steps for removing the desired assembly .
Replace the assembly .
Reassemble the polarization controller by reversing the procedure .
When replacing the polarization controller , center the optical connectors with
the dress panel holes .
Refer to Figure 5-1 for the location of the assembly level replaceable parts .
Refer to T able 5-3 for a list of the part numbers of the replaceable assemblies
and parts .
T o replace the
front-panel assembly
1. Remove the machine screw on the rear of the handle .
2. Remove the top cover .
3. Gently unplug the three connectors attached to the polarization assembly .
T ake care not to bend the pins .
4. Remove the ribbon cable from the rear of the polarization assembly .
5. Remove the eight screws from the side panels , four on each side , using the
small T orx driver .
6. Remove both side panels .
7. Cut the tie-wrap securing the cables to the side frame .
8. Remove the four screws from the front-panel assembly using the small
T orx driver .
9. Remove the front-panel assembly .
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