Heathkit IG-4505 - Page 21

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Page 21
PREPARE EACH END AS SHOWN
3/4" —>
1/4"
| SH
Pm 1/2"
1/4"
BE CAREFUL YOU DO NOT CUT THE SHIELD LEAD
AS YOU REMOVE THE OUTER INSULATION.
—_
(
PEEL OFF THE FOIL.
FOIL
L_
SHIELD
LEAD
REMOVE 1/4" OF THE INNER INSULATION,
oe
Detail 2-2A
Refer to Detail 2-2A and prepare a 4'' small shielded
cable.
a
Connect the inner lead at the longer prepared end of
the 4” small shielded cable to terminal strip AB lug 6
(NS). Connect the shield lead to the mounting foot
eyelet (S-1).
Refer to Pictorial 2-3 for the following steps.
NOTE:
When
you
install
the
resistors
and
diodes
in
the
following
steps,
position
them
near
the
terminal
strips
as
shown
in
the
inset
drawing.
R101: Connect a 1000 2 (brown-black-red) resistor
~ from terminal strip AA lug 6 (NS) to terminal strip AB
lug 1 (NS).
( \)
BANDED
ZD101 END
Apert
3 R102 R103. 7
#56-63 BANDED
END
=6)
INSET
PICTORIAL 2-3
NOTE: When you install diodes in the following steps, be
sure you connect the Jead at the banded end (See Detail
2-3A) to the point indicated.
(-)
2D101:
Connect
the
lead
at
the
banded
end
of
an
$Z5.0
zener
diode
(#56-85)
to
terminal
strip
AB
lug
3
(NS).
Connect
the
other
lead
to
terminal
strip
AB
lug
2
(NS).
(¥) R102: Connect a 120 Q (brown-red-brown) resistor to
terminal strip AB between Jugs 3 (S-2) and 5 (NS).
ZD102: Connect the lead at the banded end of an
MZ500-10 zener diode (#56-63) to terminal strip AB
lug 4 (NS). Connect the other lead to terminal strip
AB lug 2 (NS).
cy
R103: Connect a 180 82 (brown-gray-brown) resistor
to terminal strip AB between lugs 5 (NS) and 7 (NS).
IMPORTANT: THE BANDED END OF DIODES CAN
BE MARKED IN A NUMBER OF WAYS.
LEE
BANDED END
Detail 2-3A