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Heathkit AR-14 - Chassis Wiring

Heathkit AR-14
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®
~
Hf
&iff
H+i
( )
Rotate
the
dial
drum
fully
counterclockwise
as
viewed
from
the
front
of
the
control
panel.
( )
Follow
the
numbered
arrows
on
Pictorial
20,
starting
with
number
1,
and
complete
the
dial
stringing.
You
may
rotate
the
dial
pulley
in
order
to
reach
the
hook
more
easily.
At
arrow
number
14
connect
the
dial
spring
between
the
end of
the
dial
cord
and
the
small
hook
in
the
pulley.
( )
Temporarily
install
a knob
for
a
1/2"
shaft
on
the
tuning
shaft.
The
purpose
of
the
next
three
steps
is
to
make
sure
the
dial
pulley
turns
without
binding.
( ) A.
Be
sure
the
opening
in
the
dial
pulley
is
in
the
position
shown
in
the
Pictorial.
Then
rotate
the
knob
until
the
opening
in
the
pulley
turns
360
degrees.
( )
B.
Now
turn
the
knob
until
the
opening
in
the
pulley
is
back
in
its
original
position.
If
the
dial
pulley
turned
smoothly
without
binding,
proceed
to
the
Chassis
Wiring.
( )
If
the
dial
pulley
binds
at
some
point,
it
is
possible
that
the
cord
at
arrow
11
is
on
the
wrong
side
of
the
cord
at
arrow
8.
Care-
fully
unstring
the
cord
at
arrows
14, 13, 12,
and
11.
Be
sure
to
read
the
note
at
arrows
8
and
11,
and
then
restring
the
dial
cord
at
11, 12, 13,
and
14.
Then
repeat
steps
A
and
B
to
make
sure
the
pulley
turns
smoothly
without
binding.
Page
29
Connect
the
wires
coming
from
the
following
cables
to
the
numbered
holes
on
the
amplifier
circuit
board.
Solder
each
wire
to
the
foil
side
of
the
board.
8-WIRE CABLE
#1
(coming
from
controls
C
and
D)
Black
wire
to
22.
Yellow
wire
to
36.
White
wire
to
38.
)
Brown
wire
to
30.
)
Blue
wire
to
26.
Red
wire
to
32.
Orange
wire
to
34.
8-WIRE
CABLE
#2
(coming
from
controls
C
and
D)
(
-.)
Black
wire
to
21.
(
-}
White
wire
to
37.
(
-)_
Yellow
wire
to
35.
(
""'+-
Red
wire
to
31.
W
Brown
wire
to
29.
~ )
Blue
wire
to
2 5.
b )
Orange
wire
to
33.
(---,-C
onnect
the
lead
of
coaxial
cable
#3
coming
from
control
F
to
hole
24.
( )
Remove
the
knob
from
the
tuning
shaft.
_.,.....
~
onnect
the
lead
of
coaxial
cable
#4
coming
from
control
F
to
hole
2 3.
CHASSIS
WIRING ( )
Prepare
the
following
lengths
of hookup
Refer
to
Pictorial
21
(fold-out
from
Page
24)
for
the
following
steps.
( )
Remove
the
solder
holding
the
cables
to
the
end
panel.
I
wire;
2-1/2"
white
2-3/
4"
white
2-3/4"
white
4-1/2"
white
2-1/.2"
red
2-3/4"
red
4-1/2"
red

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