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Heathkit GR-54 Assembly And Operation Manual page 8

Deluxe swl receiver

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ALIGNMENT
WITH
Set the front panel controls as follows:
BANDSPREAD,
,. .... Adjust to the SET posi-
tion on the Bandspread dial,
AF
GAIN, ....
...,.midposition (adjust as
necessary during alignment},
PF
fl ATRT
+
.
.
MTZAbiN,
«@
gw
et
ltl kl tlt el ele
g A
LIA
Wot,
ANT
TRIM . ..
2. cea veeess
sull clockwise,
BAND,
.
. . . . . ae
. . . . . 1 . . . . . . . . . .
B.
MAIN
TUNING,
.
.
.
ses
#sep
ee
eee
eee
1000
ke,
AVC
eee
ee.
.
8
eae
epte
epee
seeaeueaseeeeeaseeaes
ON,
ANL,
es
es
@
se
eeoeeet@eoetseoeeseseese
eee
etea
OFF,
onn
BrrMm
White
te
ee
ee
wee
ee
ee
Hee
we
wee
FN
AHow
the Receiver
to warm
up for at least
15
minutes
before beginning
the
alignment,
This
will
allow
the tubes and components
to
etahitians
StasLlsc,
( ) Set the
VTVM
to read -~DC volts on the
15 volt scale,
( } Connect the common test lead of th
e
oat
tigvAw
st
a a
2
to
the chassis
and the bc
test
lead
t
X on the IF-audie circuit board,
Page 43
INSTRUMENTS
generator
to the Receiver
chassis
and
con
oe
ere
ee
RS
( } Set the signal generator for a 1682 kc un-
modulated signal,
~~
~a
laa
ie
) r]
a ce
he
esioenal
ranc
<2
MeL
Le
— lalate
EN
Lied
"_
in
wa
reading on the VTVM,
During alignment, reduce the signal generator
output as the VTVM
reading becomes
higher,
keeping near the -2 volt reading,
'J
have been "preset at the factory, Therefore, it
should
not be necessary to adjust them more
than
1/2
turn
in
either
direction,
Antenna
trap (#40-731} should not be adjusted,
( ) Place a piece of tape on the long end of the
alignment teol, as shown
in Figure 3, Use
the short end of the tool for the following
adjustments, The tape will indicate how far
each slug is turned,
Proceed with the alignment using the Alignme
Chart,

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