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Heathkit IO-4205 - Page 68

Heathkit IO-4205
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Page 66
Refer
to
Pictorial4-4
(Illustration Booklet, Page 14) for
the
following steps.
Connect
the
leads
from
transformer
T1
to
switch
SW10 as follows. Make
mechanically
secure
connec-
tions. (See
the
inset
drawing
on
Pictorial 4-4.
{J
) Blk-Grn
lead
to
lug
5 (S-1).
(
./
Blk
lead
to
lug
6 (NS).
! )
Blk-Yellead
to
lug
2 (S-1).
(A Blk-Red
lead
to
lug
3 (NS).
Connect
the
wires
coming
from
B0#7
in
the
harness
a;ollows.
Make
mechanically
secure
connections.
~
(
}
)
Either
largeBrn
wire
to
fuse
blockF1lug
2 (S-1).
)}
OtherlargeBrn
wire
to
switch
SW10
lug
3 (S-2).
Connect
a
1"
bare
wire
(remove all
the
insula-
tion
from a
1"
length
of
brown
wire) from
capacitor
C3
lug
4 (S-1)
to
solder
lug
N (NS).
Connect
the
wires
coming
from
B0#9
in
the
harness
as follows:
( ) All five Blk
wires
to
solder
lug
N (S-6). Be
sure
all wires,
especially
the
lower
ones, get sol-
dered.
(
IY'
Both Viol
wires
to
capacitor
C3
lug
1 (NS).
( · Both Wht-Red
wires
to
capacitor
C3
lug
2 (NS).
/
( V) Red
wire
to
capacitor
C3
lug
3 (NS).
(
~
Place
a
1"
length
of
sleeving
on
each
lead
of a
500
n'
10-watt resistor.
(_ .
.Y
R14:
Connect
this
resistor
to
capacitor
C3
be-
tween
lugs
1 (S-3)
and
2 (NS).
Position
this
resistor
directly
above
the
capacitor
lugs.
~
la
~ e
a 5/8"
length
of sleeving
on
each
lead
of a
270
n'
3-watt resistor.
(Y R-15:
Connect
this
resistor
to
capacitor
C3
be-
tween
lugs
2 (S-4)
and
3 (S-2).
Position
this
resistor
1/2" above
the
chassis.
(INCHES)
2
3
Refer
to
Pictorial4-5
(Illustration Booklet, Page 14) for
the
following
steps.
( } Locate
the
power
supply
circuit
board
and
posi-
.f/
tion
it
as
shown.
Connect
the
wires
coming
from
B0#3
of
the
harness
to
the
power
supply
circuit
board
as follows:
(
LY
Wht-Grn
wire
to
holeS
(S-1).
/
.
(
l/
) ,
Wht
w1re to
hole
R (S-1).
(
11
Grn
wire
to
hole
AA (S-1).
( Vl Viol
wire
to
hole
AD (S-1).
(/) / Wht-Gry
to
holeY
(S-1).
Connect
the
wires
coming
from
B0#4
of
the
harness
to
the
power
supply
circuit
board
as follows:
(
()
Either Gry
wire
to
hole
Q (S-1).
/
(//
Other
Gry
wire
to
hole
V (S-1).
(
C(
Any
of
the
three
Yel
wires
to
hole
N (S-1).
( ' Either
ofthe
remaining
Yel
wires
to
hole
T (S-1).
(\ )
Remaining
Yel
wire
to
hole
AH (S-1).
Connect
the
wires
coming
from
B0#5
of
the
harness
to
the
power
supply
circuit
board
as follows:
(
1.
Blk
wire
to
holeD
(S-1).
( )
Either
Org
wire
to
hole
P (S-1).
( K
Other
Org
wire
to
hole
U (S-1).
Wht-Red
wire
to
hole
J (S-1).
Wht-Yel
wire
to
hole
L (S-1).
Wht-Brn
wire
to
hole
K (S-1).
iliijiiii)
I I I
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I'
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4
I I
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I I
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Q .5 1
(CM)
2
5 "
I I I I
8 9
3
1.
17
I
10
I I I
11
12
1"
13
7
I

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