VHF Air, Hi and UHF La bands
stee
Control Settina
! Test Instrument Connection
Adiust ]
Remarks
,
I
1) Select channel 12
and
OFFNOLUME Control: ON
IConnect DC
SSVM to TP4
TC4
I
SQUELCH
Control:
CCW
i and GND.
T9
adjust TC4
tor 13V on the
4
I DC SSVM.
Select Channel 4 through
i
2) Select channel 4 and adjust
12.
I
I
I T9 tor 1.0 V on the DC
I
SSVM.
I
!
3) Repeat steps 1) and 2) until
i
no turther impravement is
I
observed . See Table 3.
UHF Hi band
CH
Frequencv Voltage
CH4 108.0000 MHz
Voltage at TP4 0.9-1.1 V
CH5 121.0000 MHz
Voltace at TP4 2.4-3.1 V
CH6
. 136.0000 MHz
Voltace at TP4 5.7--6.7V
CH7
136.0050 MHz
Vohaoe
at TP4 1
.6--1
.9 V
CH8 155.0000 MHz Voltage at TP4 4.1-5.1 V
CH9
174.0000 MHz
Voltace at TP4 11.0-11.8 V
CH10
380.0000 MHz
Voltage
atTP41
.2-1 .6 V
CHll
451.0000 MHz Voltage at TP4 5.7--6.7 V
CH12 512.0000 MHz Voltage at TP4 12.9-13.1 V
Table 3
stee
Control Settina
i Test Instrument Connection
Aclust '
Remarks
OFFNOLUME Control. ON
IConnect DC
L13
I
SSVM to TP4 Adjust L13
tor
12 V on the DC
SQUELCH Contral:
CCW
iand GND.
SSVM.
5
Select Channel 15.
;
See Table 4.
!
i
CH
Freauency
Voltaae
CH13
806.0000 MHz
Voltaae at TP4 3.4-4.5 V
CH14
860.0000 MHz
Voltage at TP4 6.5-7.7 V
CH15
960.0000 MHz
Voltage at TP4 11.8--12.2 V
-
11
-
Table 4
To Next Page
Loading...
