Icom IC-V82 Service Manual

5 - 2
ADJUSTMENT ADJUSTMENT CONDITION
OPERATION
ENTERING ADJUSTMENT MODE
• While pushing [

], [

] and [D•CLR] keys, turn power ON.
REFERENCE
FREQUENCY
1•
•
Connect a frequency counter to
the antenna connector through
an attenuator.
Transmitting
• Rotate [VOL] to set to 146.000 MHz ±100Hz.
• Push [D•CLR] key.
TRANSMIT
LOCK VOLTAGE
1 • Transmitting
• Push [D•CLR] key, then push [
] key.
(Do not release [PTT] button when pushing [D•CLR] key.)
OUTPUT
POWER
(High)
1•
•
Connect an RF power meter to
the antenna connector.
Transmitting
• Rotate [VOL] to set the transmit power to 7.0 W.
• Push [D•CLR] key.
(Middle) 2 • Transmitting • Rotate [VOL] to set the transmit power to 4.0 W.
• Push [D•CLR] key.
(Low) 3 • Transmitting • Rotate [VOL] to set the transmit power to 0.5 W.
• Push [D•CLR] key.
FREQUENCY
DEVIATION
1•
•
•
•
Mode : Wide
Connect an FM deviation meter
to the antenna connector through
an attenuator and set as :
HPF : OFF
LPF : 20 kHz
De-emphasis : OFF
Detector : (P–P)/2
Connect an audio generator to
[MIC] jack and set as;
Frequency : 1 kHz
Level : 150 mV rms
Transmitting
• Rotate [VOL] to set to ±4.2 kHz.
• Push [D•CLR] key.
DIGITAL VCO
FREQUENCY
DEVIATION
1•
•
•
Set the FM deviation meter as;
HPF : OFF
LPF : 20 kHz
De-emphasis : OFF
Detector : (P–P)/2
No audio input
Transmitting
• Rotate [VOL] to set to ±1.20 kHz.
• Push [D•CLR] key.
DTCS WAVE
FORM
1•
•
•
•
•
Mode : Wide
Connect an oscilloscope and
the FM deviation meter to the
antenna connector.
Set the FM deviation meter as;
HPF : OFF
LPF : 20 kHz
De-emphasis : OFF
Detector : (P–P)/2
No audio input
Transmitting
• Rotate [VOL] to set to square wave form as
shown below.
• Push [D•CLR] key.
DIGITAL
REFERENCE
FREQUENCY
DEVIATION
1•
•
•
Set the FM deviation meter as;
HPF : OFF
LPF : 20 kHz
De-emphasis : OFF
Detector : (P–P)/2
No audio input
Transmitting
• Rotate [VOL] to set to ±1.20 kHz.
• Push [D•CLR] key.
5-2 IC-V82 ADJUSTMENT
Set to square wave
form
5-2-1 KEY OPERATION FOR THE ADJUSTMENT
• Rotate [VOL] to adjust the value.
• Push [D•CLR] key to store the adjustment value and move to next adjustment item.
• Push [

]/[

] key to move to next adjustment item without changing the value.
5-2-2 FREQUENCY AND TRANSMIT ADJUSTMENT
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Icom IC-V82 Specifications

General

Brand	Icom
Model	IC-V82
Category	Transceiver
Language	English