Detector Circuit Board; Start; Continue - Heathkit HD-1250 Manual

Solid-state dip meter
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Page 14
anasa
Position
the
detector
circuit
board
as
shown
in
the
Pictorial.
Then
proceed with
the following
steps.
As you
install
each
component
in
this
column,
solder
its
leads
to
the
foil
and
cut
off
the excess
lead
lengths.
NOTE: When
you
install
diodes,
as
in
the
following
steps,
be
sure
you
position the
banded end
of
each diode
as
it
is
shown on
the
circuit
board.
BANDED
END
t
)
D22.
FH1
100
diode
(#56-87).
(
)
D21.
FH1100
diode (#56-87). Save
one
cutoff
diode
lead for
use
in
the
following
step.
(
)
Ferrite
bead.
Use
a
1"
cutoff
diode
lead.
FERRITE
BEAD
illlit
CUTOFF
DIODE LEAD
DETECTOR
CIRCUIT
BOARD
CONTINUE^
(
)
R27.
2200
fi (red-red-red).
(
)
R25.
330
12
(orange-orange-brown).
(
)
R23. 100
kft (brown-black-yellow).
Form
the leads
as
shown.
Then
mount
the
resistor vertically.
{
)
R24.
330
S2
(orange-orange-brown).
(
)
R21. 27
kfi (red-violet-orange).
(
)
R22. 47
kfi (yellow-violet-orange).
(
)
R26.
2200
SI (red-red-red).
(
)
Solder the
leads to
the
foil
and
cut
off
the excess
lead lengths.

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