Heathkit HR-10B - Page 24

Y
-Connect
a length of
bare
wire
from
lug
1 of
octal
socket
CC
(S-1)
to
lug
1
of
phono
socket
BF
(NS).
( ) Connect a length of
bare
wire
between
lug
8
/(S-1)
and the ground
lug
nearest
lug
8
(S-1)
/ of
octal
socket
CC.
( ) Connect a length of
bare
wire
from
lug
5 of
_/
IF
transformer
P
(S-1)
to
lug
1 of
crystal
y
socket
N
(S-1
).
( ) Connect a length of
bare
wire
from
lug
3
·/of
IF
transformer
P
(S-1)
to
lug
1 of
crystal
ttY'
socket
M
(S-1). .
(
)
Place
one end of a
length
of
bare
wire
through
lug
2
of
crystal
socket
M
(NS)
to
/
lug 2 of
crystal
socket
N
(S:1).
Now
solder
lug 2 of
M
(S-2). Connect
the
other
end of
this
wire
to lug 1 of tube
socket
V3
(NS).
( ) Connect a
2!'
red
wire
from
lug
1 of
/
IF
transformer
K
(S-1)
to
lug 5 of tube
socket
V3
(S-1
).
(
) Connect a length of
bare
wire
from
lug
8
of
)/tube
socket
V4
(S-1)
to
lug
2 of
BFO
coil
/
C
(NS).
( )
Place
one end of a length of
bare
wire
through
solder
lug D
(NS)
to
lug 5 of
switch
/
FE
(S-1).
Now
solder
sold~r
lt;g
D (S-2).
Connect
·the
other
end
of
this
Wire
to
lug
1
of BFO
coil
C
(S-1
).
( ) Connect a
3-1/
4"
red
wire
from
lug
6 of
/
tube
socket
V
4 (S-1) to
lug
1 of IF
trans-
former
B (S-1).
(;.connect
a
3-1/2"
red
wire
from
lug
3
or
/ IF
transformer
B
(NS)
to
lug
3
of
terminal
strip
F (NS).
( ).,.eonnect a length of
bare
wire
from
lug 4 of
/
IF
transformer
B (S-1)
to
solderlugE
(NS).
( ) Connect a length of
bare
wire
from
lug
:;:
/of
IF
transformer
B (S-1)
to
lug
2 of tube
-'
socket
V5
(NS).
( ) Connect a
5"
yellow
wire
fro'¥
lug
4
of
switch
FE
(S-2)
to
lug
l
of
terminal
strip
A
(NS).
( )
/
Page
19
Connect one end of a
7-3/4"
red
wire
to
lug 2 of
switch
FE
(S-1
).
Place
the
free
end
of
this
wire
through
grommet
HA.
It
will
be
connected
lat-er.
'
( )
Locate
the
5"
length of
spiral
shield
and
unwind
1/2"
from
one end. Now
separate
the
spiral
shield
at
a
point
1-1/2"from
this
end.
( ) Cut a
5-1/2"
yellow
wire,
a
5-1/2"
orown
wire,
and a
7-1/2"
red
wire~
Place
these
wires
through
the
length of
spiral
shield
/
·from
the
end
farthest
from
the
break.
The
yellow and
brown
wires
should
be
pushed
through
the
break
in the
shield
and the
red
wire
should
pass
ori
through
the
shield.
Refer
to
Detail
2D.
Detail
2D
( ) At
the
end of
the
prepared
spiral
shield
with only
the
red
wire
extending,
connect
/
the
shield
lead
to
the
ground
lug
nearest
..
lug
3 of tube
socket
V6
(NS).
Connect
the
red
wire
to
lug 2 of tube
socket
V6
(S-1
).
( J
At
the
break
in
the
shield,
connect the
/
/
yellow
wire
to
lug
.6
(S-1) and the
brown
wire
to
lug 7
(NS)
of tube
socket
V5.
(
)_,-At
the
other
end of
this
shield
connect the
/
red
wire
to
lug
2 of
control
FB
(S-1).
1
( )
,0onnect
the
yellpw
wire
to
lug 4
of
switch
_.,/
FC
(NS)
and
the
brown
wire
to
lug 5 of FC
v
(NS).
(
}_,.S'"older
lug
1 of
control
FB
to
the
control
~
solder
lug.
(
)"?onnect
a
2"
brown
wire
from
lug 4 of tube
. ·
socket
V5
(NS)
to
lug
4 of tube
socket
V6
/ (S-2).
(
_)A;onnect a
3"
red
wire
from
lug
8
of tube
c/
socket
V6
(S-1)
to
lug
1 of
electrolytic
ca-
pacitor
H
(NS).