4. Replacing Assemblies - Disassembly and Reassembly
To Remove A10 Output Frequency Distribution Amplifier Module
163
To Remove A10 Output Frequency
Distribution Amplifier Module
7 Ensure that the top, bottom, right-side, and inner-RF shield covers
are removed.
8 Disconnect all SMA, SMB, and module-to-A1 cable assembly
connections for A9, A10, and A18.
3 Remove the small plate holding A5, A9, and A18 at top left of the
module group (as viewed from the front) attached with five screws.
9 Remove 2 round-head screws from the right-rear chassis for each
module other than A10 (and A5 if its removal is not required).
5 Lift A9 and A18 out and set aside. (Install new/functional unit if
either (or both) is being replaced at this time.)
6 If A5 is being replaced at this time, remove the 2 round-head
screws holding it to the right-rear side chassis, lift it out and install
a new/functional unit.
7 Remove the ten flat-head screws that hold A10 to the chassis
from the rear panel located around the module's perimeter.
7 Push A10 towards the front until its rear-panel connectors clear
the rear panel mounting hole, then lift out.
9 Reverse the above steps to install a new/functional A10 unit.
(Remember to replace the A5 and A9 RF shields when
reassembling these modules. Be sure to tighten semi-rigid coax
connector to 8.5 inch-pounds to eliminate RF leakage.)
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