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Heathkit GR-54 Assembly And Operation Manual page 5

Deluxe swl receiver

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Hany
difficulty is encountered in the following
steps,
turn
the Receiver
off immediately
and
refer to the In Case Of Difficulty section of the
manual,
Set the front panel controls to the following po-
sitions:
BANDSPREAD,
,...,.Adjusttothe SET position
on the Bandspread dial,
AF
GAIN,
,.cccscesessecvcceseees
OFF,
RF GAIN
..........2.....
full clockwise,
ANT
TRIM
aoaeetsepepenoesupteeeaeneest
full
clockwise,
MODES
6
so siie
Gea
teceviese:&
ates
ee
doce
eee
ele
MS
BAND
og: ia. oo té: calc waeaece:
oe
elena
Scene
elece
wee
MAIN
TUNING,
eee
8
#@
ee
ee
Oe
.
-
1000
KC,
AU
AVG
aie ceo as ei ee
ee
eucale bla ara a
wae
ON,
AND Sg asd: hice! & se eiece we
eens. esi
ae
a
OFF,
OPR
ptieie
Ol tel
( ) Plug the line cord into a 105-125 volt, 50/60
eps AC electrical outlet,
( ) Turn
the
Receiver
on with the AF GAIN
control,
Both aes ae
ae
light and
21
the
filaments
ALIGNMENT
WITHOUT
Refer
to Figure
2 (fold-out
from
Page
47),
The
alignment
of this
Receiver
without
test
instruments is accomplished by using signals of
known frequencies from radio stations, For best
results, an external antenna should be used, If
te
wmaneee
nee
itiathl
-~
an antenna is not already
available,
refer
to
ir
Ww
Oo Warm
up for at ieast
5 minutes before aligning to allow the tubes
and components to stabilize,
+
oh
RT
a
( } Turn
the AF GAIN
control clockwise
and
listen for background noise from the speaker,
( ) If an
external
antenna is available,
plug
the lead-in from
the antenna into the ANT
socket, Refer to Page 50 for piug wiring,
Numerous
stations
should be heard as the
MAIN
TTINTN YS? Ilnah ie
tuens
RTA
SRR ER
BAF
LL
LL
eg
{ ) Unplug the antenna lead-in,
( ) Set the BAND switch to C.
( } Make
sure the AVC
switch is ON and the
RF GA
control is fully clockwise,
( ) Turn the METER ADJUST control (located
on the rear panei) with a screwdriver untii
the tuning meter (located on the front panel)
reads
zero
Aa
cia
Ue
This
completes
the Initial Test. If a vacuum
tube voltmeter
and signal generator are avail-
able, proceed tothe Alignment With Instruments,
on Page 43, If these instruments are not avail-
able, refer to the section of the manual titled
Zo.
wk
TH2it. 4
TW.
Alignment
¥¥ LLHLOUL
Instruments,
INSTRUMENTS
alignment
tool will be used to adjust the
slugs
inside the coils, Use the short end
of the tool, The tape will show how fara
Slug has been turned,
TAPE
Figure 3
Set the front panel controls as follows:
BANDSPREAD
,..... .adjust for a SET (0
position) indication on the Bandspread dial,
AF GAIN,
«
e+ ee emidposition (adjust
;
uring alignment).
RF
GAIN
eso
@#teeseeteteeteatrenes
full
clockwise,
ANT
TRIM
ses
rseseseseeresersas
et
full
clockwise,
MODE,
es
¢
8
#
#
8
#8
eb
9g elesate
See tae
ele
ee
As
BANDS
se oc fe. wg
Bi ae ertetenaterae
ive eue. aw
ave
De
AVC
wide
hoe
aoe a
ane
we
ob
Seca
ONS
ANL,
e@ete@#estepeeteteee
ee
epteese
epee
epaees
OFF,
OPT
ome ia. a: a
dle le aa
ere
eee
aE
cle
ae
Ps
External antenna plugged in,

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