Realistic PRO-2022 - Page 14

An t. Jack
Scop e
TPl /2
Unit
~
Nates:
Unde r Test
Use TP1 tor VHF La, Air and VHF Hi band adjust-
.,j,.-
•
ment.
Sweep
•
Use TP2 tor UHF La band adjustment.
Generator
Figure 3
a:
~I
. ol
"'C
(\
?
1\
(]
».
5\
111
J\
c
0
1\
11
!ti
i-,
~
/ ;1
t:
a:
30
41 .00 5 54
108 .00
121 .00
136 .000
Freq ( MHz)
Freq (M Hz)
Figure 4
Flgure 5
0
ê:i
ê:i
0
"t; .
~
:: - 3
~
- 6
c:
'"
c:
0
0
Sr
~
'"
.,
c::
a:
136 .0 05
15 5
174
Freq (MHz )
Freq (MHz)
Figure 6
Figure 7
Overall Alignment and Sensitivity Measurement
Step Control Settlnq
Test Instrument Connection
Adiust Remarks
OFFNOLUME Control: ON
Connect FM signal generator
TC5
Readjust TC5 tor maximum sen-
to the ANT jack and AC
10 SQUELCH Control: CCW
SSVM to Headphone jack
sitivity.
Select Channel 10.
across 8 ohm dummy laad.
Fig.8.
OFFNOLUME Control. ON
Connect AM signal generator
T7
1) Adjust T11 tor maximum
SQUELCH
Control : CCW
to the
ANT
jack and AC
sensitivity.
11
Select Channel 5.
SSVM
to
Headphone jack
T11
2) Adjust T12 tor
minimum
across 8 ohm dummy laad.
T12
THD.
Fig.9.
3) Readjust T7 tor
maximum
sensitivity.
12
OFFNOLUME Control : ON
Adjust TC6 tor maximum sens
i-
SQUELCH Contral: CCW
Same as step 10.
TC6
tivity.
Select Channel 13.
o
o
Scope
Un it
Unde r Test
Signal Generator
,..-...,...,....,.-
__ -, Heedpho ne Jack
o
o
Scope
Headpho ne Jack
Un it
Und er T est
FM
Signal Gener
ator
Figure 8
Figure 9
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