Heathkit SB-10 - Page 38

RF
DECK
a
3
,,1
(}
-/
v
ffi:
r.:til
b.:l:l
iEure 13
(\)
ptace
the audio andphasingdeck
in
frontof
you
upside down.
The deck should
have the out-
lines of
the
sub-chassis
drawn
on it,
as
rtras outlined in
the
step-by-step
of
the audio
and
phasing
deck.
All wiringshould
be dressed
away from these
lines in
preparation
to securing
the sub-assemblies
to
the deck.
(
)
Carefully
place
the balanced
moduiator
and
the R F sub- chassis in
place
as shown
in
Figure
13.
(
)
Holding the balanced
modulator
and
the RF
sub-chassis in
place,
turn the
unit over
and
secure
the balanced
modulator
sub-chassis
byusing
#6 sheet
metal screws
through
each
of
the mounting
feet of the
modulation
transformers.
(Remove
the #6
hardware
used
for tem-
po"a"y
-o.riting.
)
The
screws
are
of
the self
tapping
tlpe, and
it will be
necessary
to
exert
i s-atl
amount
of
pressure
for
starting
the
screws. Do
not tighten'
(
)
Fasten the RF
sub-chassis
to
the audio
deck
by using 2 #6
sheet metal
screws.
Do
not tighten.
puII
both
sub-chassis
toward
the
front
of the
deck. Now tighten
the metal
screws.
Check
sub-chassis
is
not touching
lug 3
of ter-
minal strip
BB on the
audio
deck,
or that
the
t'Arr
shield
is
not touching any
of the socket
"E"
lugs,
Pase 38