•
NOTE: Alignment
of
L59 (GR-H763, B.P.F. coil)
Do
not
adjust this coil because
of
L59
is
already adjusted
at
Factory.
When
tum
the
coil core, perform
the
alignment as below (step 11).
B.
P.
F. characteristic
is
Figure 10.
Step
Control Setting
Test Instrument
Adjust
Remarks
Channel Programming
Connection
11
OFF/VOLUME
control:
Same
as
step 8
L59 Alignment 1st
IF
(611.5
to
, ON
(Figure 9)
607.505 MHz) B.P.F. coil
SQUELCH
control:
.
.
1) Select channel 7 (800.495 MHz) and
Fully
CCW
set the Signal Generator frequency
Channel Programming:
to
800.495 MHz,
CH9 (800.495 MHz)
FM:3
kHz
DEV.
at
1
kHz
and
CH10 (800.500 MHz)
1
IlV
output.
2)
Adjust
L59
to
maximum
sensitivity.
-.
3) Select channel 8 (800.500 MHz) and
set the Signal Generator frequency
to
800.500 MHz,
FM:
3
kHz
DEV.
at
1
kHz
and
11lV
output.
4)
Adjust
L59
to
maximum
• • •
sensitivity.
•
NOTE:
Align the balance
of
CH9,
CH10
, sensitivity
to
become same.
•
•
Figure 10
1st
IF
Center Frequency 1609.505 MHz)
4MHz
at CH9 (800.495 MHz)
_~
__
..
at
CH10
(800.500 MHz)
1st
IF
Frequency
~--+--_
1st
IF
Frequency 611.5
MHz
607.505 MHz
•
•
•
_
,1:;
_
, -
•
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