342 A 1 Board Removal and Replacement Procedures
To remove the
A1
board:
1.
Power off the
5363
and disconnect the power cord
at
the customer power outlet and the
5363.
2.
Remove the covers ("305 Cover Removal" on page 3-2).
3.
Remove all power cables from the
Al
and
BI
boards.
4.
Remove all signal cables from the
Al
board.
5.
Remove all top card connectors from the cards on the
Al
board.
Note: Label all cards
as
to which location they
were
removed from. This
will
be
of
help to you when
you reinstall the cards.
6.
Remove and label all cards from the
Al
and
BI
boards.
7.
Remove the logic card gate fan ("310 Logic Card Fan Removal and Replacement Procedures" on
page
3-4).
8.
Disconnect the manufacturing test connector.
9.
Disconnect the twinaxial connector.
10.
Remove the
BI
board ("340 BI Board Removal and Replacement Procedures" on page
3-16,
step
5).
11.
Remove the
six
screws from the
Al
board frame.
3-18
5363
Maintenance Information
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