Icom IC-A210 Service Manual page 10

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July 2019
The underlined parts have been updated from the previous version of the addendum, or the original page.
4-4 RECEIVE ADJUSTMENTS
1) Select an adjustment item using the mouse cursor or [↑]/[↓] on the PC's keyboard.
2) Set or modify the adjustment value as specified using [←]/[→] on the PC's keyboard, and then push [ENTER].
ADJUSTMENT
RX TUNING
1 • CH No.: [AM Low]
VOLTAGE
• Receiving
RX BPF (AM)
1 • CH No.: [AM Low]
~Adjustment~
• Receiving
2 • CH No.: [AM Mid]
• Receiving
3 • CH No.: [AM High]
• Receiving
~Verification~
4 • CH No.: [AM Low]
• Receiving
5 • CH No.: [AM Mid]
• Receiving
6 • CH No.: [AM High]
• Receiving
For only IC-A210
1
and IC-A220:
RX BPF (FM)
~Preparation~
~Adjustment~
2 • CH No.: [FM Low]
• Receiving
3 • CH No. : [FM High]
• Receiving
~Verification~
4 • CH No.: [FM Low]
• Receiving
5 • CH No. : [FM High]
• Receiving
For only IC-A220.
*The output level of the standard signal generator (SSG) is indicated at the load end (PD).
(Replacement page)
ADJUSTMENT SETUP
OPERATION
Connect the digital voltmeter
to the CP5 on the MAIN unit.
• Connect the digital voltmeter
to the CP10 on the MAIN
unit.
• Connect the standard signal
generator (SSG) to the
antenna connector, and set
it to:
Frequency:
118.000 MHz
Level*:
6 dBμV
(‒101 dBm)
Modulation:
1 kHz
Deviation:
30%
Set the SSG to:
Frequency:
127.500 MHz
Set the SSG to:
Frequency:
136.975 MHz
• Connect the distortion meter
to the external speaker line
with the 4 Ω load.
• Set the SSG to:
Frequency:
118.000 MHz
Level*:
To the level
so that the
distortion
meter shows
6 dB S/N or
12 dB SINAD.
Set the SSG to:
Frequency:
127.500 MHz
Set the SSG to:
Frequency:
136.975 MHz
• Set the preset value on the
adjustment screen.
• Connect the standard signal
generator (SSG) to the
antenna connector, and set
it to:
Frequency:
161.650 MHz
Level*:
3 dBμV
(‒104 dBm)
Modulation:
1 kHz
Deviation:
3.5 kHz
• Connect the digital voltmeter
to the CP13 on the MAIN
unit.
Set the SSG to:
Frequency:
163.275 MHz
• Connect the distortion meter
to the external speaker line
with the 4 Ω load.
• Set the SSG to:
Frequency:
161.650 MHz
Set the SSG to:
Frequency:
163.275 MHz
4-7g
ADJUSTMENT
VALUE
ITEM/POINT
[F17]
5.0 V (±0.1 V)
(Adjustment screen)
L2, L4, L8, L10
Minimum
(MAIN unit)
voltage
[F18]
(Adjustment screen)
[F19]
(Adjustment screen)
For IC-A210/
IC-A220:
Less than
‒101 dBm
(6 dB S/N)
For IC-A210E:
Less than
‒101 dBm
(12 dB SINAD:
with CCIT filter)
[F21]
[F20]
Maximum
(Adjustment screen)
voltage
[F21]
(Adjustment screen)
More than
12 dB SINAD
Continued on the next page...
255

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