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Heathkit IB-5281 - Page 21

Heathkit IB-5281
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Ge
guesrHxir?
RANGE
SWITCH
WIRING
Refer
to
Pictorial
2-1
for
the
following
steps.
(‘J
Prepare
the
following
white
wires:
“~
4-3/4"
5-1/2"
6-3/4"
3”
2-1/2"
(,JA
Position
switch
SW2
with
the
lugs
as
shown.
NOTE:
The
inset
drawing
of
Pictorial
2-1
shows
how
each
lug
on
the
range
switch
(SW2)
is
numbered.
Each
lug
location
has
a
number,
even
when
a
lug
is
not
mounted
at
that
location
on
the
wafer.
Note
that
lug
12
on
wafer
1
is
missing.
Connect
the
prepared
wires
to
switch
SW2
as
follows:
(Jy
1-3/4”
wire
to
wafer
1
lug
1
(S-1).
(t+
5-1/2”
wire
to
wafer
1
lug
2
(S-1).
NOTE:
When
a
connection
is
made
to
a
‘‘double
lug,”
as
in
the
following
step,
it
will
be
considered
one
lug
in
the
solder
instructions.
Then,
when
you
are
di-
rected
to
solder
the
connection,
be
sure
to
solder
the
wire
or
lead
to
both
lugs.
(4
6-3/4"
wire
to
wafer
2
lug
1
(S-1).
(
4
3”
wire
to
wafer
3
lug
3
(NS).
(,
2-1/2"
wire
to
wafer
4
lug
2
(NS).
(J
Cut
a
2-5/8”
green
wire
and
remove
all
of
the
insulation.
(_Y
Form
the
2-5/8”
bare
wire
so
it
curves
around,
and
touches
wafer
2,
switch
lugs
3
through
8.
Then
bend
the
ends
of
the
wire
so
they
enter
and
tAIPaAMN
arnit
we
QIRTIQCY
~~
-l
a
(RTO)
LAE]
widp
around
|
1U
gs
9
UNO)
alla
O
LLNO}.
WLAKE
SUTE
the
wire
does
not
short
to
the
switch
spacer.
the
other
lead
to
wafer
2
lug
3
(S-
a
«7
R28:
Connect
one
lead
of
a
10
kQ
(brown-
black-orange)
resistor
to
wafer
1
lug
4
(S-1)
and
the
other
lead
to
wafer
2
lug
4
(S-3).
(+4
R29:
Connect
one
lead
of
a
1
MQ
(brown-
green)
resistor
to
wafer
1
lug
5
(S-
1)
maa
TCA
te
Wales
2
aU
Oo
(Orn
other
lead
to
wafer
2
lug
5
(S-3).
p
o
~
Q
a
(J
L1:
Connect
one
lead
of
a
100
wH
choke
(#45-
QO)
t-
<arnlfn~
99)
to
wafer
1
lug
6
(S-1)
and
the
other
lead
to
wafer
é
er
6
VANS):
Do
not
let
the
choke
body
(,y¥
C1:
Connect
one
lead
of
a
330
pF
capacitor
to
wafer
3
lug
2
(S-1}.
Conn
other
lead
to
wafer
4
iug
2
(S-
).
ceramic
1ect
the
NOTE:
Where
a
wire
passes
through
a
connection
and
then
goes
to
another
point,
as
in
the
next
step,
it
will
count
as
two
wires
in
the
solder
instructions
(S-2),
one
entering
and
one
leaving
the
connection.
(
y
R1:
Pass
one
lead
of
a
430
kO
(yellow-orange-
wallow
racictor
to
wafar
2
through
lug
a
{S-
3)
to
yee
a
TESiStor
tO
Warer
o
thr
lug
4
(NS).
Connect
the
other
lead
fowalce
4
lug
3
(S-1).
(4
R2:
Pass
one
lead
of
a
4300
2
(yellow-orange-
red)
resistor
to
wafer
3
through
lug
4
(S-3)
to
lug
5
(NS).
Connect
the
other
lead
to
wafer
4
lug
4
(S-1).
R3:
Connect
one
lead
of
a
43
kf
(yellow-
orange-orange)
resistor
to
wafer
3
lug
5
(S-2).
Connect
the
other
lead
to
wafer
4
lug
5
(S-1).

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