Icom IC-R20 Service Manual - Page 26

Software Adjustments, Continued, Lock], 8 Set], Adjustment, Adjustment Condition, Operation

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SOFTWARE ADJUSTMENTS-Continued ADJUSTMENT ADJUSTMENT CONDITION OPERATION AFC [AFC] (FM A-BAND) 1 • Mode : FM • Push [• LOCK] key. • Connect an SSG to the antenna connector and set as Level : 1 mV* (-47 dBm) Frequency : 145.100 MHz Modulation : OFF • Receiving (WFM A-BAND) 2 • Mode • Receiving : WFM • Push [• LOCK] key. (FM B-BAND) 3 • Mode • Receiving : FM • Push [• LOCK] key. (WFM B-BAND) 4 • Mode • Receiving : WFM • Push [• LOCK] key. TRACKING 1 • Mode : FM • Push [8 SET] key. [TRL/TRH] • Connect an SSG to the antenna connector and set as (0.495 MHz Level : 71 mV* (-10 dBm) Bar Antenna Frequency : 0.495 MHz tuning) Modulation : ±1 kHz Deviation : ±3.5 kHz • Receiving (1.620 MHz 2 • Connect an SSG to the antenna connector and set as • Push [8 SET] key. Bar Antenna Level : 220 mV* (0 dBm) tuning) Frequency : 1.620 MHz • Receiving (118.1 MHz 3 • Mode : FM • Push [8 SET] key. RF amplifier • Connect an SSG to the antenna connector and set as tuning) Level : 0.56 µV* (-112 dBm) Frequency : 118.1 MHz • Receiving (174.9 MHz 4 • Connect an SSG to the antenna connector and set as • Push [8 SET] key. RF amplifier Frequency : 174.9 MHz tuning) • Receiving (330.1 MHz 5 • Connect an SSG to the antenna connector and set as • Push [8 SET] key. RF amplifier Frequency : 330.1 MHz tuning) • Receiving (469.9 MHz 6 • Connect an SSG to the antenna connector and set as • Push [8 SET] key. RF amplifier Frequency : 469.9 MHz tuning) • Receiving (118.1 MHz 7 • Connect an SSG to the antenna connector and set as • Push [8 SET] key. RF amplifier Frequency : 118.1 MHz tuning) • Receiving (174.9 MHz 8 • Connect an SSG to the antenna connector and set as • Push [8 SET] key. RF amplifier Frequency : 174.9 MHz tuning) • Receiving (330.1 MHz 9 • Connect an SSG to the antenna connector and set as • Push [8 SET] key. RF amplifier Frequency : 330.1 MHz tuning) • Receiving (469.9 MHz 10 • Connect an SSG to the antenna connector and set as • Push [8 SET] key. RF amplifier Frequency : 469.9 MHz tuning) • Receiving (470.1 MHz 11 • Connect an SSG to the antenna connector and set as • Push [8 SET] key. RF amplifier Frequency : 470.1 MHz tuning) • Receiving (599.9 MHz 12 • Connect an SSG to the antenna connector and set as • Push [8 SET] key. RF amplifier Frequency : 599.9 MHz tuning) • Receiving *This output level of a standard signal generator (SSG) is indicated as SSG's open circuit. 5 - 4

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5 - 4
SOFTWARE ADJUSTMENTS
–
Continued
AFC
[AFC]
(FM
A-BAND)
(WFM
A-BAND)
(FM
B-BAND)
(WFM
B-BAND)
TRACKING
[TRL/TRH]
(0.495 MHz
Bar Antenna
tuning)
(1.620 MHz
Bar Antenna
tuning)
(118.1 MHz
RF amplifier
tuning)
(174.9 MHz
RF amplifier
tuning)
(330.1 MHz
RF amplifier
tuning)
(469.9 MHz
RF amplifier
tuning)
(118.1 MHz
RF amplifier
tuning)
(174.9 MHz
RF amplifier
tuning)
(330.1 MHz
RF amplifier
tuning)
(469.9 MHz
RF amplifier
tuning)
(470.1 MHz
RF amplifier
tuning)
(599.9 MHz
RF amplifier
tuning)
1
2
3
4
1
2
3
4
5
6
7
8
9
10
11
12
•
Mode
: FM
•
Connect an SSG to the antenna connector and set as
Level
: 1 mV* (
–
47 dBm)
Frequency
: 145.100 MHz
Modulation
: OFF
•
Receiving
•
Mode
: WFM
•
Receiving
•
Mode
: FM
•
Receiving
•
Mode
: WFM
•
Receiving
•
Mode
: FM
•
Connect an SSG to the antenna connector and set as
Level
: 71 mV* (
–
10 dBm)
Frequency
: 0.495 MHz
Modulation
: ±1 kHz
Deviation
: ±3.5 kHz
•
Receiving
•
Connect an SSG to the antenna connector and set as
Level
: 220 mV* (0 dBm)
Frequency
: 1.620 MHz
•
Receiving
•
Mode
: FM
•
Connect an SSG to the antenna connector and set as
Level
: 0.56 μV* (
–
112 dBm)
Frequency
: 118.1 MHz
•
Receiving
•
Connect an SSG to the antenna connector and set as
Frequency
: 174.9 MHz
•
Receiving
•
Connect an SSG to the antenna connector and set as
Frequency
: 330.1 MHz
•
Receiving
•
Connect an SSG to the antenna connector and set as
Frequency
: 469.9 MHz
•
Receiving
•
Connect an SSG to the antenna connector and set as
Frequency
: 118.1 MHz
•
Receiving
•
Connect an SSG to the antenna connector and set as
Frequency
: 174.9 MHz
•
Receiving
•
Connect an SSG to the antenna connector and set as
Frequency
: 330.1 MHz
•
Receiving
•
Connect an SSG to the antenna connector and set as
Frequency
: 469.9 MHz
•
Receiving
•
Connect an SSG to the antenna connector and set as
Frequency
: 470.1 MHz
•
Receiving
•
Connect an SSG to the antenna connector and set as
Frequency
: 599.9 MHz
•
Receiving
•
Push
[
•
LOCK]
key.
•
Push
[
•
LOCK]
key.
•
Push
[
•
LOCK]
key.
•
Push
[
•
LOCK]
key.
•
Push
[8 SET]
key.
•
Push
[8 SET]
key.
•
Push
[8 SET]
key.
•
Push
[8 SET]
key.
•
Push
[8 SET]
key.
•
Push
[8 SET]
key.
•
Push
[8 SET]
key.
•
Push
[8 SET]
key.
•
Push
[8 SET]
key.
•
Push
[8 SET]
key.
•
Push
[8 SET]
key.
•
Push
[8 SET]
key.
ADJUSTMENT
ADJUSTMENT CONDITION
OPERATION
*This output level of a standard signal generator (SSG) is indicated as SSG
’
s open circuit.