Icom IC-751A - IC-Ps35

(4)
FL-33 INSTALLATION
E
31
J13
S3 S4
o
o-
-©W97
G
-o
W98
o G
o
W99
10-2
IC PS35 INTERNAL
POWER
SUPPLY
•
INSTALLATION
DC
POWER
SOCKET
P2
3)
W98
and
W99 jumper
wires
on the
MAIN
unit
must be
changed
as shown
in the diagram
on
page 45.
4)
The
FL-70 and
the CFJ455K5
can now
be
selected
by pushing
the FILTER SWITCH
on
the
front
panel
IN.
The receive
bandwidth
will
be
2.8kHz.
The FL-80
and
FL-44A
can be
selected
by
placing the
FILTER SWITCH
at the
OUT
position.
The
bandwidth
will
then be
2.3kHz.
This
is
a
9MHz filter
for
the
AM
mode.
The
filter
replaces
the
FL-32A and requires the
relocation
of
jumper
wires.
1)
Use
the FL-63A installation
method given
previously.
Install
where the
FL-32A
is now installed.
2)
Change the jumper wires
as shown in the
diagram.
3)
This
installation causes the FL-33
to
be selected
whether
the
FILTER SWITCH is
at
the IN
or OUT
position when
using the
AM
mode. Only
455kHz
filters
will be
changed
by the
FILTER
SWITCH.
WARNING: Disconnect the
power cable from
the IC-751A
before
performing any
work.
1)
Turn the
transceiver upside down.
Remove PLATE (A)
attached
to
the rear panel by unscrewing the four
screws.
These screws
will
be
used later.
2)
Attach the IC-PS35
to the bottom cover
with the supplied screws
and insulating
washers. Also insert the insulating
gasket between
the
IC-PS35 and
the
bottom cover.
3)
Pass
the DC power
cable
attached
to
PI through
the hole of the
AC
power socket plate as shown in
the illustration,
then
insert
the
bushing into the hole.
Attach the AC
power socket plate
to the PLATE (A) position
using
the
screws which previously held
PLATE
(A). The AC
power socket should be
towards the bottom of the transceiver.
4)
Pass
the P2' connector
from
the
power socket unit to the inner
chassis through
the hole in the rear chassis.
Connect this
P2'
connector
with the
P2
connector from
the IC-PS35.
5)
Position
the cables
in the rear
chassis.
This prevents
magnetic
coupling
between the
cables and the VCO coil cores.
6)
Replace
the
top
and bottom
covers
of the transceiver.
Plug PI
from the IC-PS35
into the DC Power
Socket on the
transceiver.
7)
Connect the
supplied AC
power cable
into
the newly installed
AC
power
socket on the rear
panel of the
IC-751A. Connect
the
AC
power plug into an AC
power outlet.
8)
Push the IC-751A
POWER SWITCH to
apply power to
the
transceiver.
46
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