Revision 1.0
15
Copyright FlexRadio Systems, 2010-2011
Assembly and Disassembly
Required tools
Number 1 Phillips and number 2 Phillips screwdrivers are needed, and a 3/16 inch nut
driver to remove the DB-9 retention nuts.
Disassembly
Remove the two retention nuts on either side of the FlexWire DB-9 connector.
Remove the four corner screws on both the front and back covers using the number 2
Phillips screwdriver.
Observe the position of the upper PCB. It is in the fourth card slot. That is, three empty
slots are above it. Observe the position of the two screw clearance holes on the bottom of
the case. These holes are not equally spaced from the ends. The hole farthest from the
edge is on the rear end (end with all BNCs.)
Remove the four bottom feet using the number 1 Phillips screwdriver.
Gently slide both cards toward the rear panel, the one with all the BNCs until the
connected pair of cards are clear of the outer case. The two cards may be separated.
Re-assembly
Reconnect the cards with the ten pin card to card connector.
Orient the case so that the rear of the case (end with screw clearance hole spaced farthest
from the edge) is upwards.
Lower the upper board into the fourth board slot from the top of the housing. Once the
upper board engages the side rails by an inch or two, lower the lower board and heat
spreader plate into the box and engage the board to board to board connection. The lower
(PA board) should not engage any board slots and will just roughly center in the bottom
of the case. Gently slide in the pair of cards until fully inside the new case.
Check that the two transistor mounting screws in the heat spreader are visible and
roughly centered in the screw clearance relief holes in the bottom of the case.
Install the four feet using the number 1 Phillips screwdriver.
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