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Heathkit HD-10 - Page 18

Heathkit HD-10
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Page 13
In
the following three steps, pass the remaining
cable wires under the existing wires going to
switch H.
Orange to lug
6
of
switch
H
(S-1).
@
)
Black to lug 3 of switch
H
(S-2).
d~ed to lug 4 of switch H (S-2).
Connect the wires from the other end
of
this
cable to the circuit board as follows.
f
"f~lack to hole
M
(S-1).
6-
j
Red to hole
N
(S-1).
(
filue to hole
U
(S-1).
(
fireen to hole S (S-1).
(
+-White to hole
T
(S-1).
--.-CC-
(
)
Orange to hole
H
(S-1).
(
(~rown to hole
R
(S-1).
i
(9
Yellow to hole P (S-1).
e-)
Pull the wires out
of
the outer insulation
of
the remaining length
of
4-wire cable.
These wires
will
be
used as hookup wire
in
the remaining steps.
(.A
Connect a 4" green wire from lug 3 of phone
jack
A
(S-1) to lug
1
of speaker D
(S-I).
Position the wire as shown.
(\)-*Connect a 1-3/4" red wire from lug 2 of
speaker
D
(S-1) to lug
2
of control
E
(S-1).
(/^)
Connect a 3/4" bare wire (cut-off resistor
lead) between lugs
1
(S-1) and 2 (S-1) of
phone jack
A.
(L)
Referring to Detail 6B, pass the stripped
end of the line cord through grommet
B.
Tie a knot
8"
from the end
of
the line
cord and separate the two wires to the
knot.
('-1"
Cut one line cord wire to 3" from the hot,
and strip 1/4"
of
insulation from the end.
Twist the small wire strands together and
melt a small amount
of
solder on the ex-
posed wire ends.
LINE
CORD
&
II
Detail
6B
(-
)
Referring to Detail 6C, pass the free end
of the shorter line cord wire between the
frame and leads of the power transformer
on the circuit board. Connect the wire to
hole
L
(S-1).
6.)
Pass the free end of the longer line cord
wire through the hole in the circuit board
and connect it to lug
8
of switch H (S-2).
Position the wire as shown.
Lugs
1
and 4 of control
F,
andlug
7
of switch H,
are not used.
This completes the wiring on the cabinet top
and
the circuit board. Check to see that all
connections are soldered.
Inspect the circuit board to be sure none
of
the
wires that are connected to the foil side pro-
trude through the board and touch the component
leads. Cut
off
any wires that are touching com-
ponent leads. Also, be sure there are no solder
bridges between foils.
/
POWER
TRANSFORMER
62-51-
Detail
6C

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