Heathkit HA-14 - Resistance Checks and Readings

Page
26
‘
(eegsaareerr]
HBATHEIT"
NOTE: The following steps concern the power
socket
wiring
for
the
Linear
Amplifier,
Pic-
torial-45-
shows
the
correct
wiring
for
DC
operation and Pictorial 16 shows the correct
wiring for use with the AC power supply, If
both
plugs
are
wired,
they
should
be
labeled
to
avoid mixing them after they are wired,
DC POWER SOCKET WIRING
Refer to Pictorial 15 for the following steps,
(
)
Prepare
one
end
of
two
lengths
of
the
RG-174
coaxial
cable
as
shown
in
Detail
15A,
These
cables
must
be
long
enough
to
reach
from
the
Linear
Amplifier
to
the
exciter,
Detail 15A
~
—
Prepare the free end of the 8-wire cable
from the mobile power supply as shown
in Detail 15B, Cut the orange, white, and
brown wires off as they are not used,
( )
Place
the
free
end
of
this
8-wire
cable
and
the
two
RG-174
coaxial
cables
through
the
hole
in
the
top
of
the
female
power
socket
cover,
TAKING CARE NOT TO CUT THE INNER LEADS
REMOVE
THE
OUTER
INSULATION
OF
THE
CABLE
REMOVE
THE
INNER
INSULATION
THEN
MELT
A
SMALL
AMOUNT
OF
SOLDER
ON
THE
EXPOSED
ENDS
OF
THE
INNER
LEADS
TO
HOLD
THE
WIRE
STRAND
TOGETHER.
Detail 15B
Connect the wires at the prepared end of the
8-wire cable as follows:
() Black through lug 1 (8-2) to lug 2 (S-1).
( ) Red through lug 6 (8-2) to lug 3 (S-1),
( ) Blue to lug 8 (S-1),
( ) Yellow to lug 9 (8-1), :
( ) Green to lug 10 (S-1).