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Eventide ARGUS 3000 - Page 40

Eventide ARGUS 3000
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2.
The
bottom
panel
is
held
in
place
with
10
screws:
eight
3/16
inch
screws
and
two
1/8
inch
screws.
The
1/8
inch
screws
are
marked
in
red.
Note
their
location,
then
remove
all
ten
screws
to
remove
jj
the
bottom
panel.
3.
The
rear
cover
is
attached
to
the
unit
housing
with
five
flat-head
screws.
Remove
these
screws.
j
I
w
caution
]
j
Do
not
remove
the
red-marked
screw
on
the
right
cover.
This
screw
does
not
secure
the
rear
cover.
U
This
screw
is
not
as
long
as
the
others
because
there
is
not
as
much
clearance
at
this
location.
If
you
remove
this
screw,
be
sure
to
put
the
correct
screw
back
in this
location
so as
not
to
damage
(
I
the
unit.
i
4.
The
rear
cover
is
connected
to
the
CPU
and
transfer
boards.
Slowly
pull
the
rear
cover
out
of
the
i
|
unit
housing
until
the
boards
are
exposed
approximately
1-1/2
inches.
u
LJ
5.
A
ribbon
cable
connects
the
solder
side
of
the
CPU
board
to
the
power
supply
board.
Disengage
this
connector
and
slide
the
CPU
board
completely
out
of
the
unit's
housing.
6.
On
the
rear
cover
there
are
two
pan-head
screws
located,
at
either
end
of
the
25
pin
D-connector,
which
secure
the
rear
cover
to
the
CPU
board.
Separate
the
CPU
board
and
rear
cover
by
first
removing
these
screws.
7.
The
transfer
board
is
attached
to
the
CPU
board
by
a
connector
on
the
end
of
the
board
nearest
the
i
j
front
panel
of
the
unit.
Pull
the
transfer
board
from
the
CPU
board
using
a
gentle
rocking
motion.
Insert
The
New
CPU
Board
^
8.
Remove
the
replacement
CPU
board
from
its
protective
packaging.
j
I
9.
Check
to
make
sure
that
the
ROM
chips
are
on
the
new
CPU
board.
(Refer
to
Figure
4
on
page
14
^
for
location
of
ROM
chips
on
7000
CPU
board.)
I
(
10.
If
new
CPU
board
has
the
required
ROMs,
proceed
to
step
10.
If
the
ROMs
are
missing
from
the
U
board,
remove
the
ROMs
from
the old
CPU
and
insert
them
in
the
new
CPU
using
the
procedure
outlined
in
Sub-section
3.4.
ii
LJ
Reassemble
The
Armis
\
i
11.
Position
the
transfer
board
over
the
new
CPU
board
and
line
the
pins
of
the
transfer
board
with
the
[J
connector
on
the
CPU
board.
Press
firmly
on
the
transfer
board
until
the
pins
are
seated
as
far
as
they
will
go.
(
I.
Jj
12.
Connect
the
rear
cover
to
the
new
CPU
board,
securing
it
in
place
with
the
two
pan-head
screws
on
either
end
of
the
D-connector.
U
NOTE
The
screws
mate
with
locking
type
threads
so
that
some
turning
resistance
will
be
felt
when
the
j |
screws
are
seating.
j
i
U
Argus
Maintenance
Manual
Part
#5006
July,
1993
Page
35
U

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