Heathkit SB-401 Assembly Manual page 84

( ) Refer to DetaiI4-8J, and install the Function
switch at FG. Use a control solder lug and
control nut. Carefully inspect around the
switch to be sure the switch clears the
fuseholder and that no wires have been
pinched.
Detail 4-8J
BOTTOM OF
CHASSIS
CONTROL
<,
SOLDER LUG.....u.Y
( ) Connect the violet wire coming from B0#3
to FS2-R3 (8-2).
( ) Connect the cathode lead of a silicon diode
to
FS2
-R3
(NS)
and the other lead to
FS2-
R11
(NS).
.
( ) Connect a 1" bare wire from FS1-R2
(NS),
through FS1-R3 (S-2), to FSI-R4 (8-1).
Bend the lugs as shown.
Refer to Detail 4-8H and the following steps for
the preliminary wiring of the Function switch
(#63-343).
Detail 4-8H
I
I
FSl
FS2
Page 70