Ceyear 4024D Manuale di manutenzione - Pagina 11
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a. Remove 6 fixing screws
b. Loosen 3 semi-rigid cable
connectors
c. Remove 50-core cables
The microwave frequency conversion module (13) after removal of the frequency synthesis board (12) is
as shown in the following figure. The removal and installation processes are as follows:
a)
Remove 4 fixing screws between the microwave frequency conversion module (13) and the rear
cover assembly (19). Please note that two screws on the right side have two washers.
b)
Remove the connection flat cable between the attenuator (15) and the microwave frequency
conversion module (13),
c)
Remove the connection semi-rigid cable between the attenuator (15) and the microwave frequency
conversion module (13),
d)
After the module is removed, the rest is the rear cover assembly (19).
e)
The installation process is reverse to the removal process.
a. Remove 4 fixing screws
Fig. 6 Removal of the Microwave/Millimeter-wave Frequency Conversion Module
Fig. 5 Removal of the Frequency Synthesis Board
c. Loosen the semi-rigid cable connectors
b. Remove 10-core cables