EasyManuals Logo

Icom IC-701 User Manual

Icom IC-701
51 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #31 background imageLoading...
Page #31 background image
scan
signal
from
the
ACC
socket
(if
used)
is
fed
to
Pin
9
and
the
output
signal
is
fed
to
Pin
4
of
IC4.
This
is
controlled
by
the
band
edge
detection
signal,
fed
to
Pin
1,
and
is
sent
to
the
LSI
in
the
PLL
unit
as
the
Clock
(CK)
signal.
Pin
1
of
IC3
is
connected
to
Pin
11
and
the
delay
circuits
of
R13
and
C3
are
connected
with
the
data
input
Pin
9.
1C3
isaD
type
flip-flop,
so
it
latches
the
signal
of
the
delay
circuit.
1C3
gives
a
High
(H)
level
signal
when
the
tuning
knob
is
turned
clockwise,
and
a
Low
(L)
level
signal
when
the
knob
is
turned
counter-clockwise.
This
(H)
or
(L)
signal
goes
to
Pin
13
of
{C2
along
with
the
signal
from
the
ACC
socket
(if
used),
which
is
fed
to
Pin
12.
The
output
of
IC2
is
added
to
the
LSI
as
the
UP/DOWN
(UD)
signal.
.
PHOTO-CHOPPER
CIRCUIT
SCHEMATIC
DIAGRAM
When
the
tuning
knob
is
turned
counter-clockwise
TIMING
CHART
Dr
PLENUNTNL
AUR
FLE
HATE
Ae
TIMING
CHART
SCAN
When
the
tuning
knob
is
turned
clockwise
Nell
HAGE
:
THAT
bE
i
Pela
aes

Table of Contents

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Icom IC-701 and is the answer not in the manual?

Icom IC-701 Specifications

General IconGeneral
TypeHF Transceiver
ModeSSB, CW, AM
Tuning Steps1 kHz
Dimensions111 x 241 x 311 mm
Weight2.5 kg
Voltage13.8 VDC
Power Supply13.8 V DC

Related product manuals