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16
START
)
S21. Pushbutton
switch.
Be
sure to
push
the switch
firmly,
all
the
way
down
onto
the
circuit
board.
Then
solder
its
six
lugs
to
the
foil.
(
)
C21A,
C21B.
Tuning
capacitor.
Mount
the capacitor to the
circuit
board
with
three
6-32
x
3/16"
screws
and
three
#6
flat
washers
as
shown
below.
Be
sure
to
place
the
flat
washers
between
the capacitor
and
the
circuit
board.
m
,
FLAT
WEI
CUT
GROUND
TERMINAL
TO
5/8"
3
V*
%
3
/a
1
(INCHES)
2
I
1/B
.
3/8
I
5/8
7/8
I
.
I
ImM"^
1
'i
1
1
1
i
1
1
i
CONTINUE
(
)
Cut
the
ground
lug to
5/8"
from
the
corner
of
the
tuning
capacitor
frame.
(
)
Refer to
Detail
1-3A and form
the
ground
lug as
shown.
CIRCUIT
BOARD CHECKOUT
Carefully inspect
the
circuit
board
for
the
following conditions.
(
)
Unsoldered
connections.
NOTE: Do
n«
solder
tuning capacitor
lug
1
(
)
"Cold"
solder
connections.
(
)
Solder
bridges
between
foil
patterns.
(
)
Protruding
leads
which
could touch
together.
{
)
Transistor for
the proper
installation.
(
)
Diodes
for
the correct position of the|
banded
end.
(
)
Be
sure the case of
transistor
Q21
does
not touch tuning
capacitor
lug
1
NOTE:
At
this
time, there are
two
small
unused
holes
in
the
circuit
board.
Set the
circuit
board
aside
temporarily.
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Troubleshooting
