EasyManua.ls Logo

Heathkit HP-23A - Page 6

Heathkit HP-23A
21 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
Page
5
NOTE:
To
insure
a
good
ground
connection,
on
the
underside
of
the
chassis
scrape
away
a
small
amount
of
paint
around
the
mounting
holes
for
the
solder
lugs
at
M,
the
terminal
strip
at
L,
and
the
two
holes
each
for
capacitors
H
and
K,
()
Refer
to
Detail
1C
and
install
a
etal
capacitor
mounting
wafer
at
H
and
a
6-
terminal
strip
at
J,
Install
the
‘mounting
wafer
on
the
top
of
the
chassis
and
the
ter-
minal
strip
under
the
chassis,
Use
6-32
x
3/8"
hardware,
Position
the
terminal
strip
as
shown
in
the
Pictorial,
Be
sure
to
use
two
lockwashers
with
all
terminal
strips,
(_)
Mount
the
other
metal
capacitor
mounting
wafer
on
top
of
the
chassis
at
K,
Use
6-32
x
3/8"
hardware,
()
In
like
manner,
mount
phenolic
capacitor
mounting
wafers
on
top
of
the
chassis
at
F
and
G,
Use
6-32
x
3/8"
hardware,
(_)
Refer
to
Detail
1D
andprepare
the
mounting
foot
of
a
4-lug
terminal
strip,
Cut
the
front
of
the
foot
with
diagonal
cutters,
then
spread
the
cut
until
an
8-32
screw
will
fit
through
the
hole,
This
terminal
strip
will
be
mounted
with
the
filter
choke
in
the
following
steps.
Detail
1D
Oy
wy
1"
deni
Hii
Locewaswer
Detail
1E
(
)
Cut
both
leads
of
the
filter
choke
toa
length
(
of
4-1/2",
and
remove
1/4"
of
insulation
from
the
cut
end
of
each,
Measure
the
leads
from
where
they
leave
the
choke,
Apply
a
small
amount
of
solder
to
the
end
of
each
lead
after
cutting,
Refer
to
Detail
1E
and
position
the
filter
choke
on
top
of
the
chassis
with
its
leads
through
grommet
D,
Mount
the
choke
with
8-32
x
3/8"
hardware
at
L
and
M,
with
the
prepared
4-lug
terminal
strip
at
L
and two
#8
solder
lugs
at
M,
Be
sure
to
use
two
lockwashers
with
the
terminal
strip,
Posi-
tion
the
solder
lugs
and
terminal
strip
as
shown,
Bend
the
end
of
the
solder
lugs
up
away
from
the
chassis,

Related product manuals