5
-
3 RECEIVER
ADJUSTMENT
TEST INSTRUMENTS REQUIRED
measurement connection location
(1)
VOLTAGE REGULATED POWER SUPPLY
*
Output voltage ; 13.6V DC ±15%
•
Current
capacity : lOAormore
;
f2)
VOLTMETER
•
Input impedance
[3)
SINAD METER
50kQA/
DC or
better
f4)
RF SIGNAL GENERATOR
*
Frequency range :
0,1—30
MHz
*
Output level : 0.1^V
—
lOOmV
(5)
EXTERNAL
SPEAKER
*
Impedance
: 30
AC POWER
SUPPLY
SINAD
i
RF SIGNAL
METER
,
GENERATOR
TO
EXTERNAL
SPEAKER JACK
ANT,
VOLTMETER
MAIN
UNIT
IC-320OA/E
ADJUSTMENT
TOTAL
GAIN
:
®
VHP BAND
®
UHFBAND 1
©
UHF
BAND 1
UNIT
VALUE
Maximunn
level
MEASUREMENT
LOCATION
Connect a voltmeter to
cathode
of
D9,
ADJUSTMENT CONDITIONS
*
Frequency display MAIN Connect a voltmeter to Maximunn
IC-3200A: 146.10MHz cathode
Of
D9, level
IC-3200E: 145.10MHz
*
SQUELCH CONTROL:
Maximum CCW
Apply RF signal to ANTENNA
|
CONNECTOR,
Level:
32^iV(-77dBm)
!
Dev.:
±5kHz
Mod,! 1kHz
*
Frequency display
|
IC-32O0A: 445,10MHz
|
IC-3200E: 435.10MHz
j
*
SQUELCH
CONTROL:
Maximum
CCW
*
Apply RF signal lo ANTENNA
CONNECTOR
Level; 32^(V (-77d8m)
Dev,; ±5kHz
Mod.:
IkH;
^ _
Adjustment conditions are same as EXTERNAL Connect a SINAD meter Less
than
above. SPEAKER to the
EXTERNAL
-13dB
JACK
;
SPEAKER
JACK.
NOTE:
An RF
helical cavity
consisting of
LI
—
LS
for the
VHP SAND
or
L13
and LISforthe
UHF
BAND
has been thoroughly
pre^adjusted
at the factory. If you need to have
this component adjusted or re-adjusted< please contact any authorized ICOM
dealer or ICOM Service Center since making this adjustment requires a sweep
generator.
ADJUSTMENT
POINT
UNIT
MAIN
ADJUST
L6
L20
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