Icom IC-R10 Service Manual

4-4-2
OUTPUT
EXPANDER 1C
(1)
MAIN UNIT, IC305
(3}
RF
UNIT,
IC2
Pin
number
Description
Outputs
WFM mode
select signals.
Low :
When WFM is
selected.
Outputs
NFM mode
select
signals.
Low
:
When NFM is
selected.
Outputs
AM mode
select signals.
Low :
When AM is selected.
Outputs
SSB mode
select signals.
Low :
When SSB is
selected.
Outputs NB
control signals.
Low ;
When NB
function is ON.
(SSB/CW
mode
only)
Outputs ANL
control
signals.
Low
;
When ANL
function is
ON.
(AM mode
only)
Outputs
sub-band
regulator
control
S-PWC
signals.
Low :
While the bandscope
or
SIGNAVI
functionis activated.
Pin
number
Port
name
Description
BOC
Outputs
low-pass
filter select
signal
.
Low
:
When frequencies
below
1
.9
MHz
are displayed.
B1C
Outputs
bandpass
filter select
signal.
Low ;
When
frequencies
from 1
.9
to
14.9999 MHz
are
displayed.
B2C
Outputs
bandpass
filter select
signal.
Low ;
When
frequencies
from 15.0 to
29.9999 MHz
are displayed.
BSC
Outputs
bandpass
filter select
signal.
Low
;
When frequencies
from
30.0 to
74.9999 MHz
are
displayed.
B7C
Outputs
bandpass
filter select
signal.
Low ;
When
frequencies from
700.0 to
1300.0000
MHz
are displayed.
Outputs
bandpass
filter select
signal.
Low :
When
frequencies
from 500.0 to
699.9999
MHz
are displayed.
BSC
Outputs
bandpass
filter
select
signal.
Low :
When
frequencies
from 200.0
to
499.9999
MHz are displayed.
B4C
Outputs
bandpass
filter select
signal.
Low :
When
frequencies
from
75.0 to
199.9999 MHz
are displayed.
Pin
number
Port
name
Description
4
V11C
Outputs
VC01 select
signals.
Low ; VC01
(343.3-629.0999
MHz)
is
activated.
5
VI
2C
Outputs
VC02 select
signals.
Low ; VC02
(629.1-799.9999
MHz)
is
activated.
6
VI
3C
Outputs
VC03 select
signals.
Low : VC03
(800.0-876.7 MHz)
is
activated.
7
N1HC
Outputs
1st
mixer input
select
signals.
Low :
When
frequencies
from 0.5 to
75
MHz are
displayed.
11
SHIFT
Outputs
2nd VCO
shift
control signal
for VC01.
12
ATTC
Outputs
attenuator
control
signals.
Low :
Attenuator
function
is ON.
14 IFHC
Outputs 1st
IF select
signals.
High: When
frequencies
from 340.0
to
999.9999
MHz are
displayed.
Low :
When
frequencies
from 0.5 to
339.9999 MHz
or 1000.0 to
1300.0 MHz are
displayed.

Icom IC-R10 Specifications

General

Brand	Icom
Model	IC-R10
Category	Receiver
Language	English