Realistic PRO-2004 - Page 14

Step
Control Setting Test Instrument
Adjust Remarks
. Channel Programming
Connection
8
OFF/VOLUME control:
Connect Signal
T2
Alignment
of 48.5 MHz and
ON
..
Generator to ANT, T3
10.7 MHz WFM IF coils
SQUELCH control:
connector and T4
1) Set the Signal Generator frequency
Fully CCW
Oscilloscope, AC SSVM, T5
to 98 MHz
•
Channel Programming: au LOAD to EXT
FM: 22.5 kHz DEV. at 1 kHz MOD,
CH5 (9a MHz - WFM)
SPKR
JACK.
output approx. 2 JJ.V.
(Figure 9)
2) Adjust T2, T3 to maximum
sensitivity.
NOTE:
Alignment of T4, T5 are not
•
necessary.
.
When those core are turned, adjust
cores
so that those tops of cores
become
as high as those coil case.
SIGNAL
GENERATOR
ANT connector
o
II'
Figure 9
UNIT
UNDER TEST
•
EXT SPKA
•
",
sn LOAD
ACSSVM
•
OSCILLOSCOPE
Step
•
Control Setting
Test Instrument
Adjust
Remarks
Channel Programming
Connection
•
•
9 OFF/VOLUME control: L1
Alignment of IF TRAP coils
ON
L55
•
1) Set the Signal Generator frequency
SQUELCH control: Same as step a
to 609.505 MHz
Fully CCW
FM: 3
kHz DEV. 1 kHz MOD.
Channel Programming:
Output, approx. 3 mV
CH7 (300.495 MHz -
2) Adjust L1 and L55
to minimum
NFM)
sensitivity.
.
10
OFF/vOLUME control: L60 Alignment of 512 MHz TRAP coil
.ON
1) Set the Signal Generator frequency
SQUELCH control: Same as step 8
to 337.495 MHz
• Fully CCW
FM: 3 kHz DEV. 1
kHz MOD,
Channel Programming:
Output, approx. 3 mV
CHa (240.495 MHz-
•
2) Adjust L60 to minimum
NFM)
•
sensitivity.
•
•
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