Heathkit SB-401 Assembly Manual page 56

Ssb transmitter
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'.
The remaining
wires will be connected later.
( ) Heavy red to lug 1 of terminal strip J (NS).
( ) Heavy blue to lug 1 of capacitor
G (8-3).
( ) Brown to lug 2 of phono socket BL (S-1).
Connect
the
wires
from BO#12 as follows:
Connect
the
wires from BO#t3 as follows:
( ) Long white to lug
1
of phone jack
BA (S-1).
( ) Either black to lug
5
of
terminal strip
J
(NS).
( ) Other black wire will be connected later.
( ) Brown
to
lug 2
of
terminal
strip J
(NS).
( ) Red of 2-wire shielded cable tolug4of
ter-
minal strip
J
(NS).
( ) Black of 2-wire shielded cable to lug
5
of
terminal strip
J
(NS).
{ } Shield
of
2-wire shielded cable to lug 3 of
terminal
strip
J
(NS).
Cut off any excess
lead.
( ) Green to lug
4
of terminal
strip
R (NS).
( ) Heavy red to lug
5
of terminal strip
R (8-4).
( ) Both red to lug
3
of terminal
strip
N (NS).
( ) Heavy blue to feedthrough capacitor
Q
(S-1).
Cut off the excess feedthrough
capacitor
lead.
Connect
the
wires
from
B0#10 as follows:
The remaining wires will be connected later.
( ) Blue to lug
4
of terminal
strip
L (NS).
( ) Long white-green
to G on the mixer-band-
pass circuit board
(8-1).
At the end of the cable assembly
with the red
wire (BO#14), connect the wires
as follows:
NOTE:
Pass the following two wires under the
components
connected
to terminal
strip
R.
( ) Red to lug
3
of terminal
strip
P
(NS).
( ) White-orange
to lug
1
of terminal
strip
R
{S-4}.
( ) Short green to lug 1 of terminal strip L (8-3).
( ) Short white -gr een to lug
2
of
terminal.
strip
L (S-4).
( ) Locate the large cable assembly and position
.
it on the chassis as shown.
NOTE:
Pictorial
4-3
shows only the wires of the cable assem-
bly
that are to be connected. The additional
wires
will be shown in a later Pictorial
when they are connected.
Connect
the wires
from
BO#11 as follows:
The remaining
wires will
be
connected later.
( ) Long orange to
F on
the mixer-bandpass
circuit board (NS).
Cut
off
any
excess wire.
( ) White-green
to lug 2 of phono socket
BT
(8-1).
( ) Locate the switch support shield and the
carrier
generator
shield. Position them on
the chassis and draw around them with a pen-
cil to indicate the location of the cutouts
,
where the wires will pass under the shield.
In the following steps, be sure to position
all wires and cable assemblies at
the
cutouts.
Remove the switch support and carrier gen-
erator shields from the chassis.
( ) Gray to lug 2 of phono socket
BP
ts.n.
( ) White-gray to lug 2 ofphono socket
BS (S-1).
Refer to Pictorial
4-3 for the following steps.
Refer to the shaded areas on Pictorial
4-3 for
the
postttons
of these shields.
.
Page 46

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