Heathkit IM-16 - Battery Installation

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CIRCUIT
BOARD WIRING
Refer to
Pictorial
9
(fold-out
from
Page
15) for
the following steps.
In
the next
four steps
you
will
connect the
four
hookup
wires that
come
from
VO
switchLto
the
circuit
board.
The
circuit
board holes for these
wires
are
lettered
to
indicate the switch
lug and
wafer from which
they
come.
These
steps
will
call out
the
connections in
the
same way.
Pass
the
end of each wire
through
its
hole in the
circuit
board;
then
solder
the end
ofthe
wire
on
the
foil
sideandclipoff
anyexcess
wire ends.
(
)
VO
switch
lug
10 wafer
2
(S-1).
(
)
VO
switch lug 12
wafer 2
(S-1).
(
)
VO
switch lug 1 wafer 3
(S-1).
(
)
VO
switch lug 6 wafer
3
(S-1).
In the
following
steps
you
will
connect the wires
from
the
cable assembly to the
circuit
board.
Each
step
will
call out
the wire
color.
Pass
the
end
of
the wire through
the hole marked
with
the wire
color.
Solder
each wire
onthe foil side
of
the
circuit boardrand clip
off
anyexcess wire
ends.
(
)
Gray to
GRAY
(S-1).
(
)
Wfrite-brown
to'rI/HT/BRN
(S-1).
White-ye1low
to WHT/YEL
(S-1).
Green to
GRN
(S-1).
Blue to
BLU
(S-1).
Yellow to
YEL
(S-1).
White
to WHT
(S-1).
Shorter
white-b1ue
to inner WHT/BLU
(S-1),
Longer
white-blue
to
WHT/BLU
hole near-
est the
edge
of
the
circuit board
(S-1).
Locate the
9-volt
battery
connector
and
con-
nect
its
leads
to
the
circuit
board
holes
marked
BATT:
Connect the
red lead
to
+
(S-1)
and the black lead
to
-
(S-1).
Position
the
unit
as
shown
in
Detail
gA
for
the
following steps.
Remove
l/4"
of.
insulation from each
endof
two 4" hookup wires"
Connect
one
end
of
either 4"
wire to
a hole
marked LINE
on
the
foil side
of
the
circuit
board
(S-1).
Then
connect
the
other
4"wire
to the
other hole
marked LINE
(S-1).
The
other ends of
these wires will
be connected
later.