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Heathkit HW-12 - Page 23

Heathkit HW-12
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G9
sh
e4THKit
ragerts
i
(4)
C65,
Install
the
Final
Tune
variable
ca-
pacitor
(#26-35),
using
3/4"
spacers,
seven
#6
lockwashers,
a
#6
solder
lug,
and
6-32
x
1"
screws.
Position
solder
lug
AF
as
shown,
and
bend
the
capacitor
lugs
upward,
(
\
Using
the
sandpaper
supplied,
lightly
sand
¥
the
foil
around
the
outside
edge
of
the
cir-
cuit
board
to
remove
the
lacquer
coating
and
thus
permit
a
good
ground
connection
be-
tween
the
circuit
board
foil
and
the
chassis.
‘Also
sand
the
mating
surface
of
the
chassis,
(Y)
Remove
any
mounds
of
solder
along
the
outside
edges
of
the
circuit
board,
{
)
Install
the
circuit
board
on
the
chassis,
using
4.40
x
5/16"
screws,
eighteen
#4
lock-
washers,
two
#6
solder
lugs,
and
4.40
nuts,
Position
solder
lugs
AC
and
AD
as
shown,
Be
sure
the
REF-HOLE
of
the
circuit
board
fe
wre
itioned
wei
45
PUSLILIVIITU
Ad
shown,
{
)
Bend
solder
lug
AD
up,
away
from
the
cir-
cuit
board,
Refer
to
Pictorial
12
for
the
following
steps,
(,/
Referring
to
Detail
12A,
install
a
10
KO
oe
eee
|
(410.
en7\
ten
Yow
tab-mount
control
(rive
vty
ii
the
5
WLOLOL
Adj
location
in
the
chassis
divider.
Twist
the
control
mounting
tabs
1/8
WAY
UU
Us
TEAUUIUAE
La
4
8
turn
ik,
ro
tab-r
mount
cont
a
(9)
10U
at
the
Final
Bias
location
Install
a
100
tab-mount
control
(410.58)
y)
Stall
a
AU
BAe
tap
mo
CONM{TOL
(FLU-95;)
at
the
Tune
Level
location,
(;/)
Install
a
1
megohm
tab-mount
control
(#10-
127)
at
the
Mic
Gain
location,
(,
4
Referring
to
Detail
12B,
install
phono
sockets
at
the
Revr,
Ant,
Ext
Relay,
and
Spkr
locations.
Use’
6-32
x
1/4"
screws,
#6
lockwashers,
and
6-32
nuts.
Position
these
sockets
as
shown.
(y)
Referring
to
Detail
12C,
install
the
female
microphone
connector
at
the
Mic
location,
Use
the
lockwasher
and
nut
furnished
on
the
connector,
Position
the
connector
lugs
as
shown
in
Pictorial
12,
The
lug
numbers
are
molded
into
the
connector.
(y
Install
rubber
grommets
in
holes
AA
and
AB
of
the
chassis
divider.
INSERT
CONTROL
i)
TABS
IN
SLOTS
WIST
TABS
TURN.
BS
Detail
12A
*
6
LOCKWASHER
6-32%
1/4"
SCREW
Detail
12R
a
ae
R
LOCKWASHER
CONNECTOR
NUT
Detail
12C

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