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Heathkit IG-18 User Manual

Heathkit IG-18
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START
(
),01
fl F
disc
capacitor.
Turn
the
chassis
over
and
connect
the
capacitor
lead
closest
to
the
edge
of
the
circuit
board
to
the
#6
solder
lug
(S-I).
Also,
solder
each
lead
to
its
foil,
Cut
off
ex-
cess
leads,
NOTE: When
installing
diodes,
be
sure
to
position
the
cathode
end
as
shown.
The
cathode
end
is
the
banded
end.
COLOR
;jY
CATHODE
END
( ) IN191
crystal
diode
(brown-
white-brown)
at
D3. Note
the
position
of
the
banded
end.
( ) IN191
crystal
diode
(brown-
white-brown)
at
D4. Note
the
position
of
the
banded
end.
Solder
all
leads
to
the
foil
and
cut
off
the
excess
lead
len
hs.
IDENTIFICA TION DRAWING
The
steps
on
this
page
are
done
in
this
area
of
the
circuit
board,
PICTORIAL
4
Page
9
CONTINUE
Q
NOTE:
Refer
to
the
HhlstJration
low
to
determine
the
lo{:ation
collector
(C),
base
(B),
(E)
leads
of
the
2N2369 (#417-154)
transistors,
Align
the
leads
the
holes
in
the
circuit
board,
press
down
gently
until
the
transis-
tor
is
about
1/4"
from
the
circuit
board,
Bend
the
leads
to hold
the
transistor
in
place.
( )
Transistor
2N2369 (#417-154)
at
(:;8,
Transistor
2N2369 (#417-154)
at
Q7.
Transistor
2N2369 (#417-154)
at
Q6,
( )
Solder
all
the
transistor
leads
to
the
foil
and
remove
the
excess
lead
lengths,
NOTE:
It
may
be
necessary
to
bend
the
control
lugs
out
slightly
to
hold
the
control
in
place
until
it
is
sol-
dered,
( ) 10 krt
control
(#10-201).
10 krt
control
(#10-201).
Solder
all
the
control
lugs
to
the
foil.
PROCEED
TO
PICTORIAL
5.

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Heathkit IG-18 Specifications

General IconGeneral
BrandHeathkit
ModelIG-18
CategoryTest Equipment
LanguageEnglish

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