Icom IC-A210 Service Manual page 12

July 2019
The underlined parts have been updated from the previous version of the addendum, or the original page.
4-4 RECEIVER ADJUSTMENTS (CONTINUED)
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
SQUELCH (AM)
1 • CH No.: [AM Mid]
~Adjustment~ • Receiving
~Verification~ 2 • Set the frequency step in the
settings menu to 25 kHz.
• Receiving
3
4 • Set the frequency step in the
settings menu to 8.33 kHz.
• Receiving
For only IC-A210/ 1 • CH No.: [FM High]
IC-A220:
• Receiving
SQUELCH (FM)
~Adjustment~
~Verification~ 2
3
RX AUDIO 1 • CH No.: [AM Mid]
DISTORTION
• Receiving
AND FLOWING
CURRENT
~Verification~
2
3 • Stand-by (squelched)
*The output level of the standard signal generator (SSG) is indicated at the load end (PD).
(Replacement page)
ADJUSTMENT SETUP OPERATION
• Connect the standard signal
generator (SSG) to the
antenna connector, and set
it to:
Frequency: 127.500 MHz
Level*: 0 dBμV
(‒107 dBm)
Modulation: 1 kHz
Deviation: 30%
Set the SSG to:
Level*: ‒3 dBµV
(‒110 dBm)
Set the SSG to:
Level*: 2 dBµV
(‒105 dBm)
Set the SSG to:
Level*: 11 dBµV
(‒96 dBm)
• Connect the standard signal
generator (SSG) to the
antenna connector, and set
it to:
Frequency: 163.275 MHz
Level*: 3 dBμV
(‒104 dBm)
Modulation: 1 kHz
Deviation: 30%
Set the SSG to:
Level*: 0 dBµV
(‒107 dBm)
Set the SSG to:
Level*: 5 dBµV
(‒102 dBm)
• Connect the distortion meter
to the external speaker line
with the 4 Ω load.
• Connect the ammeter
between the transceiver and
the power source.
• Connect the standard signal
generator (SSG) to the
antenna connector, and set
it to:
Frequency: 127.500 MHz
Level*: 54 dBμV
(‒53 dBm)
Modulation: 1 kHz
Deviation: 85%
• Set the volume so that the
distortion meter shows
4.47 V (5 W).
Set the volume level to the
maximum level.
Set the SSG to:
Level: OFF
4-9g
ADJUSTMENT
VALUE
ITEM/POINT
[F3] To the value so
(Adjustment screen) that the squelch
just opens.
‒ Squelch closed
Squelch
opened
[F4] To the value so
(Adjustment screen) that the squelch
just opens.
‒ Squelch closed
Squelch
opened
‒ Less than 10%
of distortion
‒ Less than 4 A
Less than 0.8 A
Continued on the next page...