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Heathkit IO-4205 - Page 70

Heathkit IO-4205
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Page
68
SHIELD
LEAD
TAKING
CARE
NOT
TO
CUT
THE
SHIELD LEAD,
REMOVE
THE
OUTER
INSULATION.
REMOVE
~
INNER
LEAD
~
/')'~s~1~~D
V"
LEAD
REMOVE
THE
FOIL
AND
REMOVE
1/4"
OF
INSULATION
FROM
THE
END
OF
THE
I
NNE
R
LEA
D. Detail
4
_
7
A
Refer
to
Pictorial4-7 (Illustration Booklet, Page 15) for
the
following steps.
( 6 Refer
to
Detail4-7
A
and
prepare
both
ends
of a
20"length
of
shielded
cable
(furnished
with
the
vertical
circuit
board
parts).
Connect
the
end
of
this
cable
with
the
bared
inner
lead
to
the
vertical
circuit
board
as follows:
~
Inner
lead
to
hole
HH (S-1).
(
~
Shield
lead
to
hole
KK
(S-1).
At
the
other
end
of
this
cable,
remove
1/4" of
insulation
from
the
inner
lead.
This
will
be
used
to
identify
this
cable
when
it
is
connected
later.
Refer
to
Detail4-7
A
and
prepare
both
ends
of a
26"
length
of
shielded
cable.
Connect
the
end
of
this
cable
with
the
bared
inner
lead
to
the
vertical
circuit
board
as follows:
lf
Inner
lead
in
hole
H (S-1).
)
)S
hield
lead
in
hole
K (S-1).
DO NOT
remove
any
insulation
from
the
free
end
of
this
cable;
it
will
be
connected
later.
(
~
repare
the
ends
of
an
8"
Gry
wire
and
an
8"
Blu
/
e.
)/f
~onnect
one
end
of
an
8"
Gry
wire
in
hole
Y2
in
the
vertical
circuit
board
(S-1).
The
other
end
will
be
connected
later.
Connect
one
end
of
an
8"
Blu
wire
in
hole
Y1
in
the
vertical circuit
board
(S-1).
The
other
end
will
be
connected
later.
( )
Position
the
vertical
circuit
board
on
the
chassis
as
shown
in
Pictorial 4-7.
Connect
the
wires
coming from
B0#10
of
the
harness
to
the
vertical circuit
board
as follows:
(
~
)
Blk
wire
to
hole
(
~)
ground
(S-1).
(
I)
Viol
wire
to
hole
N (S-1).
( / ) Yel
wire
to
hole
W (S-1).
( / ( Org
wire
to
hole
U (S-1).
(!) Gry
wire
to
hole V (S-1).
(
o{
/ Wht-Grn
wire
to
hole
C (S-1).
( v[
Grn
wire
to
holeD
(S-1).
This
completes
the
wmng
of
the
vertical
circuit
board. Check
to
see
that
all
connections
are soldered,
and
cut
off all excess
lead
lengths
as close
to
~he
foil as
possible.
Refer to
Pictorial4-8
(Illustration Booklet, Page 16) for
the
following steps.
~
Secure
the
vertical
circuit
board
to
the
chassis
with
two
#6
x 1/4"
hex
washer
head
screws
through
the
switch
bracket
and
into
chassis
holes
Band
C
and
6-32 X 3/16" screws
through
the
circuit
board
and
into
hex
studs
CA, CB, CC,
CD,
CE,
and
CF.
Then
tighten
the
nuts
on
the
hex studs.

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