Heathkit HR-10B - Page 41

Page
32
(
)
Set
all
front
panel
controls
as
follows:·
AFGAIN
RFGAIN
Maximum
clockwise
Maximum
clockwise
12
o'clock
( ) Connect
the
RF
signal
generator
to
the
ANT-
enna
connector.
BFO
TUNE
MAIN TUNING
As
indicated
in Alignment
chart,
( ) Connect
the
AC
voltmeter
across
the
Speaker
jack.
BAND
Switch
As
indicated
in
Alignment
chart.
( )
Complete
each
step
as
indicated
in the
following
chart.
Refer
to
Figure
3
for
the
location
of
each
coil.
Be
sure
to
i<:eep
the
signal
generator
level
as
low
as
possible
while
still
obtaining a
usable
reading
of
the
meter,
this
should
be
just
above
the
normal
noise
level.
BFO
ANL
AVC
STBY-REC
CAL RESET
ANT
TRIM
OFF
OFF
OFF
REC
12
o'clock
12
o'clock
FRONT
END
ALIGNMENT CHART
BAND
SWITCH RECEIVER
AND
ADJUST
FOR
SECTION BEING ADJUSTED .
POSITION
GEN. FREQ.
80
meters
3,50
me
3,75
me**
40
meters
7.00
me
7,15 me**
20
meters
14.00
me
14.15 me**
..
15
meters
21.00
me
21.25 me**
10
meters
28,00
me
29,00
me**
*There
will be no
signal
heard
until
these
coils
are
peaked
near
the
correct
setting,
Once
the
correct
setting
is
found,
carefully
adjust
for
a
maximum
reading,
---
-
--
~-
-
~
.
MAX
Lll
*
Oscillator
L1
and L6
Antenna and
mixer
coils
L12*
Oscillator
L2
and L7
Antenna and
mixer
coils
L13*
Oscillator
L3
and
L8 Antenna and
mixer
coils
.
I
L14*
\
Oscillator
L4 and L9 Antenna and
mixer
coils
L15*
Oscillator
L5 and L10
Antenna and
mixer
coils
**Set the
Receiver
and
generator
frequency
as
indicatedinthe
chart
and
adjust
the CAL RESET
until
the
signal
is
heard.