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Eventide ARGUS 3000 - Page 18

Eventide ARGUS 3000
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w
caution
Do
not
remove
the
red-marked
screw
on
the
right
cover.
This
screw
does
not secure
the
rear
cover.
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
the
unit.
4.
The
rear
cover
is
connected
to
the
CPU
and
transfer
boards.
Slowly
pull
the
rear
cover
out
of
the
unit
housing
until
the
boards
are
exposed
approximately
1-1/2
inches.
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-
J
!
connector,
which
secure
the
rear
cover
to
the
CPU
board.
Separate
the
CPU
board and
rear
LJ
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
front
panel
of
the
unit.
Pull
the
transfer
board
from
the
CPU
board
using
a
gentle
rocking
motion.
Remove
The
Old
ROMs
8.
The
location
of
the
ROM
chips
on
the
CPU
board
is
illustrated
in
Figure
4.
Note
the
orientation
of
the
ROMs.
Remove
one
chip
at
a
time
by
gently
slipping
the
very
end
of
the
slot-head
screwdriver
under
one
end
of
the
chip
and
twisting
the
screwdriver.
9.
When
the
end
of
the
chip
has
come
part
way
out
of
the
socket,
slip
the
screwdriver
in
further
and
twist
it
again.
Repeat
this
step
until
the
chip
pops
loose.
CAUTION
Do
not
allow
the
screwdriver
to
touch
the
pins
at
the
end
of
the
ROMs.
u
Argus
Maintenance
Manual
Part
#5006
July,
1993
Page
13

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