Daystrom Heathkit IG-72 Assembly Manual page 13

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CHASSIS
WMING
15),
(r'|,
()
()
I
n"t""
to Pictorial
3 (
Iold-out from
Page
(i.)
Place
the
transformer leads through
the grommets and connect the
red-yettow
tead to
a
tvristed mounting prong
(NS)
on the
filter
condedser.
Connect the
red
leads
to pin
1
(S)
and
pin
6
(S)
on
the
6X4 socket.
Connect the green leads to
pin
3 (NS) and pin
4
(NS)
on
the 6X4 socket.
Connect a
wire
between
pin
3 (NS) on the 6X4 socket and the
twisted mounting prong
(S) (2)
on
the
filter
condenser.
(-.)
Twist
two
6
l/2"
Iengths of
wire
together
and
connect one end
to pin 3
(S)
(3) and pin
4
(S)
(2) on the 6X4
socket.
Connect the other end
to pin
3
(NS) and
pin
4
(NS) on
the 6AU6 6ocket.
(-
)
Twist
twd
2
1/2,, lengths of
wire
together and connect
one end
to piD 3
(NS)
and pin 4
(NS)
on
the 6AU6
socket.
Connect the
other
end
to pin 4
(S)
and
pin
5 (S) on
the 6CL6 socket.
(
)
Twist
two
11,,
Iengths oI
wire
together and connect
one end
to pin
3 (S) (g) and pin
4
(S)
(A)
on
the 6AU6
socket.
Place the
other
end
through
the nearest
grommet and connect to the
pilot light
termina-Is
(S)
on
the meter terminal board as
shorrn
in
Pictorial
2
on Page
?.
(
.)
Connect a wirebetween
pin
7(S) on 6X4socketand
^
marked lug(NS)onthe
fi
lter
condenser.
(
)
Connect one lead
lrom
the
filter
choke
to the
r
marked lug
(S)
(2) on the
lilter
condenser.
(
)
Connect the
other
lead oI the
filter
choke to the
.
marked tug
(NS) on
the
filter
conalenser.
(
)
Connect a
wire
between the
-
marked
tug
(S)
(2) on the
filter
condenser and
pin
3
(NS) on
the
6CLO
socket.
( ,
Twist two
11
1/2"
lengths oI
wire
together
and connect one end
to the OFF-ON slide switch
(S).
Connect the
other
end
to lug
2 (NS) and Iug
3
(NS) on
the
termiDal strip.
('\)
Connect one black
transformer
lead
to
lug 3
(S)
(2) and the other black lead
to fug
1(NS)
or
the
terminal strip.
(\)
Connect
a wire
between a second
twisted
mounting prong
(S)
on the
filter
condenser
and
i
through lug 2 (NS), through lug 3
(NS) on
the
600
Q
oscitlato.
control to
lW
1 (NS) on the
10
KQ
meter control.
(,-)
Connect a
wire
between Iug 1(S) on the candelabra socket and
lW
1(NS) on
the
600s)
oscil-
Iator control.
(
)
Connect a 330 O
resistor
betv,/een
lug
1 (S) (2) on the
oscillator control,
through pin
?
(S)
to
pin
2
(NS)
on
the 6AU6 socket.
(
)
Connect a
wire
between
pin
5
(S)
on
the 6AU6 socket and pin
I
(S)
on
the 6CL6 socket.
(.
)
Connect
a
120
I(O
resistor
between pin 6
(NS)
(use sleeving
over
this
lead) on
the
6AU6
.
socket
and
through pin
B (S)
to pin 3
(NS) on
the 6CL6 socket.
(/ )
Connect a 47 O
resistor
between
pin
1 (S) and
pin
? (NS) on
the 6CL6 socket.
o

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