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4-1
4.
ACCESS TO
PARTS
4.1,
DISMANTLING THE INSTRUMENT
—
Unplug
the
mains connector
—
Fold
up
the handle to the top.
For
this
push
the buttons of the handle
—
Loosen
the
4
screws
at
the
rear
—
Dismantle
the cabinet
4.2,
FUSE,
MAINS
TRANSFORMER
For
mains
voltage
setting
and
fuses
and
the assigned safety instruction
see
the operating
manual
PIVI
5390,
chapter
2.2.3
and
2.3.
4.3,
CARRYING HANDLE
—
Prise off
the centre
knobs from
each
pivot, using
a
screwdriver
in
one
of the
small
slots at
the
sides
of
the knobs.
—
Remove
the cross-head screws that
are
now
accessible.
—
Bend
both arms
of
the handle
slightly
outwards and
take
it
off
the
cabinet.
—
Grip
and arms
of the carrying
handle
must
be ordered
separately
(see
mechanical
parts
list).
A
complete
carrying
handle can
easily
be constructed
by
pressing
the
arms
into
the
grip.
Fig. 11
Removing
the carrying handle
4.4,
PUSHBUTTONS
For
changing
knobs
for
pushbuttons
it
is
necessary
to
open
the cabinet
and remove
unit
5,
see 4.6*
4.5,
'RF
OUTPUT'
CONNECTOR
—
Remove
the
cabinet, see 4.1
.
—
Remove
the
plastic
cover of the mains switch
—
The
textplate
can
now
carefully
be
removed
(It
is
fitted
by
double-sided adhesive
tape).
—
Remove
the
RF
output connector
piece
from
the
progr.
attenuator
by
a
spanner 8
mm
(PM 5390S
:
from
PA
stage
815).
—
Remove
four
countersunk
screws
M
2.5 of the
RF
OUTPUT
connector
—
For replacement
of the
BNC
connector unsolder
from
semi-rigid
cable
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