Heathkit GR-54 - Alignment With Instruments; Instrument Setup; Alignment Steps

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
( )
Connect
the
common
lead
of
the
signal
generator to the Receiver chassis and con
oe ere ee RS
nect
the
output
lead
to
the
ANT
socket,
( } 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,