Icom IC-2GA Service Manual

6-3 TRANSMITTER ADJUSTMENT
(1) AC POWER SUPPLY
e Output voltage
* Current capacity
: 8—13.2 V DC (selectable)
: 3 A or more
RF POWER METER (TERMINATED-TYPE)
*
Measuring
range
:
1-10
W
AF
e
Frequency
range
:
120-180
MHz
GENERATOR
e impedance : 50 Q
e SWR : Less than 1.2:1
FM
DEVIATION
METER
“Ус:
AC MILLI-
VOLTMETER
ATTENUATOR:
(3) AF GENERATOR (AG)
* Frequency range
* Output level
: 200—2000 Hz
: 0—200 mV
to EXT. MIC JACK
(4) AC MILLI-VOLTMETER
e Measuring range
: 2-200 mV
(5) FM DEVIATION METER
e Minimum frequency
* Measuring range
(6) ATTENUATOR
e Attenuation ratio
ADJUSTMENT
: 180 MHz
: +10 kHz
: 30 or 40 dB
ADJUSTMENT CONDITIONS
AC POWER
SUPPLY
to BATTERY
TERMINAL
RF POWER
METER
to ANTENNA
CONNECTOR
TRANSCEIVER
To separate the RF UNIT from the MAIN UNIT, see the diagram
on p. 6-1 (fold-out).
MEASUREMENT
LOCATION
OUTPUT
POWER
e Frequency: 145.00 MHz
• Output power: HIGH
e Transmit
* Output power: LOW
* Power supply output voltage: 9 V DC
* Output power: HIGH
j =Â
—-__-___-
• Power supply output voltage: 8.4 V DC
e Output power: HIGH
FM DEVIATION
e Frequency: 145.00 MHz
* FM deviation meter:
HPF : 50 kHz
LPF : 20 kHz
Deemphasis : OFF
Detector : (Р-РУ2
* Apply an AF signal to the EXT. MIC
JACK: 1 kHz, 40 mV
(USA version: 1 kHz, 100 mV)
Connect the RF power meter
to the ANTENNA
CONNECTOR.
Connect the FM deviation
meter to the ANTENNA
CONNECTOR via the
attenuator.
тм
More than
25W
More than
2.0 W
+4.8 kHz
CTCSS
DEVIATION
(IC-2GAT only)
e Frequency: 145.00 MHz
• Set the tone frequency to 88.5 MHz.
e HPF FF
LPF : 20 kHz
De-emphasis : OFF
Detector : (P-P)/2
e Cut off microphone input
* Transmit
Connect the FM deviation
meter to the ANTENNA
CONNECTOR via the
attenuator.
X 0.75 kHz
DTMF
DEVIATION
(IC-2GAT only)
e Frequency: 145.00 MHz
e While pushing the [PTT] switch, push
and hold "D" on the keypad.
Connect the FM deviation
meter to the ANTENNA
CONNECTOR via the
attenuator.
TONE CALL
DEVIATION
(IC-2GE only)
e Frequency: 145.00 MHz
e Push and hold [T. CALL].
Connect the FM deviation
meter to the ANTENNA
CONNECTOR via the
attenuator.
x 3.5 kHz

Icom IC-2GA Specifications

General

Brand	Icom
Model	IC-2GA
Category	Transceiver
Language	English