Heathkit HA-14 - Unit Installation Guidelines; Location and Air Circulation; Power Source Requirements

HBEATHEIT®
--)
Connect
the
inner
lead
of
the
remaining
coaxial
cable
to
lug
11
(S-1)
and
the
shield
lead
to
the
wire
between
lugs
1
and
2
(S-2),
Mark
this
lead
as
the
ALC
lead,
Refer to Detail 16C and place the female
power socket into the power socket cover,
Line up the small holes in the socket cover
with the holes in the socket, Insert the drive
pin through the hole and lightly tap it in
place,
~
~
~
Tighten the screws on the socket cover clamp
to secure the cables,
Install a phono plug or appropriate con-
nector on the free end of the RG-174
coaxial cables extending from the power
socket,
WIRE CLAMP
FEMALE
POWER SOCKET
COVER
FEMALE
POWER SOCKET
Detail 16C
( ) Mount the high voltage cap on the free end
of the high voltage wire coming from the AC
Power Supply,
RESISTANCE CHECKS
The input coils are factory adjusted and do not
cequire any further alignment,
Measure the resistance from the pins on the
power plug to chassis ground, The following
readings were taken with an 11 megohm input
VTVM,
If any difficulty is encountered in obtaining any
of the following resistance readings, refer to
the
In
Case
of
Difficulty
section
on
Page
36,
POWER PLUG
PIN NUMBER
RESISTANCE
MEASURED
POWER PLUG RESISTANCE
PIN NUMBER MEASURED
1 0
2 0
3 0
4 inf,
5 inf,
6 0
7 inf,
8 inf,
9 inf,
10 over 3 megohms after
10 seconds
ial inf, after 3 seconds
12
over
3
megohms
after
10 seconds
Between pins inf.power switch off
7 and 8 0 power switch on
Between pins
10 and 12 1500 2
HV socket to
chassis inf,
RF input socket
to chassis inf,
RF output socket
to chassis inf,
RF input socket
to RF output socket 0
CAUTION: LETHAL VOLTAGES ARE PRESENT
IN THIS UNIT, USE EXTREME CARE WHEN
MAKING ANY TEST WITH THE POWER ON,