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Fig
.
5-9
.
Location
of
screws
holding the
do
power
supply
circuit
board
to
the
mainframe
chassis
.
Fig
.
5- 1 0
.
Attaching
screws
on
bottom
of
mainframe
.
Maintenance-TM
5006
Remove
these
screws
and
remove
cover
to
gain
access
to
bottom
of
the
do
power
supply
board
.
Remove
these
screws
to
remove
the
interface
circuit
board
support
.
Also
see
Fig
.
5-6
.
Remove
this
screw
along
with
those
shown
in
Fig
.
5-14
to
remove
transformer
assembly
.