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Installation Note N5225-90117
Description of the Upgrade
Installation Procedure for the Upgrade
-
— Ribbon cable (N5247-60015) from A28 mixer brick (2) J52 to A23 test
set motherboard J552
Step 25. Replace the Front Panel’s Lower Dress Panel
Before the front panel’s lower dress panel can be replaced, the 2-port lower
dress panel and the lower front panel label must be removed from the front
panel assembly. Refer to
Figure 21 on page 37
. New parts are listed in
1.
Remove the 2-Port lower front panel label (item (1)).
2.
Remove the 10 screws (save the screws for reuse) from the 2-port dress
panel and remove the dress panel (item (2)
and (3) respectively).
3.
Reassemble the front panel’s lower dress panel assembly with the new
4-port dress panel (N5240-00009) by reversing the order of step 2 in the
instructions previously followed.
IMPORTANT!
To avoid possible damage to the lower front panel overlay
(label), do not attempt to attach the lower front panel label until
Install the Cable Bracket Mount” on page 30
.