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NOTE:
Alignment of L59 (GR-H763, B.P.F. coil)
Do not adjust this coil because of L59 is al ready adjusted at Factory.
When turn the colt care, perform the alignment as below (step 11).
B. P. F. characteristic is Figure 10.
Step
11
Control Setting
Channel Program ming
OFF/VOLUME control:
.
ON
SQUELCH control:
Fully CCW
Channel Programming:
CH9 (800.495 MHz)
CH10 (800.500 MHz)
•
Test Instrument
Connection
Same as step 8
(Figure 9)
Figure 10
Adjust
L59
•
Remarks
Alignment 1st IF (611.5 to
607.505
MHz) S.P.F. coil
1) Select channel
7
(a00.495 MHz) and
set the Signal Generator frequency
to a00.495 MHz,
FM:3 kHz DEV. at 1 kHz and
1 pV output.
2)
Adjust L59 to maximum
sensitivity •
-
.
3) Select channel 8 (800.500 MHz) and
set the Signal Generator frequency
to aOO.500 MHz,
FM: 3 kHz
DEV.
at 1 kHz and
1 pV output.
4) Adjust L59 to maximum
• • •
sensrnvrtv.
NOTE: Align the balance of CH9, CH10
sensitivity to become same.
•
•
•
tst
IF Center Frequency 1609.505 MHz)
4MHz
at CH9 (800.495 MHz) _~
..
at CH10 (800.500 MHz)
lst IF Frequency
~--+--_
lst IF Frequency 611.5 MHz
607.505 MHz
_
,I:; _
.
~
•
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