Icom IC-2000 Service Manual

4-1
PLL AND
TRANSMITTER
ADJUSTMENT
ADJUSTMENT
ADJUSTMENT
CONDITIONS
MEASUREMENT
VALUE
ADJUSTMENT
POINT
UNIT
LOCATION
UNIT ADJUST
LCX2K
VOLTAGE
1
•
Displayed
frequency; 145.000 MHz
•
Receiving
MAIN Connect the
digital
multi-meter
or
osciiioscope to CP-A.
2.0
V
MAIN L22
REFERENCE
FREQUENCY
1
•
Displayed
frequency: 145.000 MHz
•
Transmitting
Rear
panel
Loosely
couple the
frequency counter
to the
antenna
connector.
145.0000 MHz
MAIN
OUTPUT
POWER
1
•
Displayed
frequency:
145.000 MHz (EUR.
THA, KOR)
146.000
MHz
(ITA, USA,
AUS, SEA)
•
Transmitting
•
Power:
High
Rear
panel
Connect
the
RF
power
meter
to
the
antenna
connector.
50 W
(IC-2000H)
10
W (iC-2000)
MAIN R62
FM
DEVIATION
1
•
Displayed
frequency:
145.000 MHz (EUR,
THA. KOR)
146.000 MHz
(ITA,
USA,
AUS, SEA)
•
Apply an AF signal to the
[MIC] jack.
1 kHz/20 mV
•
Set
the FM
deviation meter as;
HPF
: 50
Hz
LPF
: 20 kHz
De-emphasis: OFF
Detector
:
(P-P)/2
•
Transmitting
Rear
panel
Connect
the
FM
deviation
meter
to the antenna
connector via the
attenuator.
±4.8 kHz
MAIN R115
CTCSS
TONE
DEVIATION
1
•
Displayed frequency;
145.000 MHz
(EUR, THA, KOR)
146.000
MHz
(ITA, USA, AUS,
SEA)
•
No
signal applied to the [MIC]
jack.
•
CTCSS tone frequency:
88.5 Hz
•
Set the FM
deviation meter
as:
HPF : OFF
LPF
:
20 kHz
De-emphasis:
OFF
Detector
;
(P-P)/2
Rear
panel
Connect the FM
deviation meter
to
the antenna
connector
via the
attenuator.
±0.8
kHz
MAIN R168
4-2
RECEIVER
ADJUSTMENT
ADJUSTMENT
ADJUSTMENT
CONDITIONS
MEASUREMENT
VALUE
ADJUSTMENT
POINT
UNIT LOCATION
ADJUST
SENSITIVITY 1
•
Displayed
frequency;
145.000 MHz (EUR,
THA, KOR)
146.000 MHz (ITA, USA, AUS. SEA)
•
Connect the SSG to the
antenna
connector
and set as:
Level
:
1
.0
pV*
(-107
dBm)
Deviation
: ±3.5 kHz
Modulation: 1 kHz
•
Turn the R146 to
maximum level.
•
Receiving
MAIN Connect the
voltmeter to
the
CP-B.
Maximum DC voltage
Adjust
in
sequence.
L18, L17,
L26,
L16
S-METER
1
•
Displayed
frequency:
145.000 MHz (EUR,
THA, KOR)
146.000 MHz (ITA, USA,
AUS, SEA)
•
Connect the
SSG to
the antenna
connector and set as:
Level
:
1.0pV*(-107dBm)
Deviation ; ± 3.5 kHz
Modulation: 1 kHz
•
Receiving
Function
display
S/RF
indicator S3
(4
dots)
mamm
MAIN
R146
-This output
level of the standard
signal generator <SSG) is
indicated as SSG’s
open circuit.
4-1

Icom IC-2000 Specifications

General

Brand	Icom
Model	IC-2000
Category	Transceiver
Language	English