Icom IC-2000 Service Manual page 2

INTRODUCTION
DANGER
This service
manual
describes the
latest
service informa-
tion for
the
IC-2000H/IC-2000 144
MHz FM TRANSCEIVER
at
the time of publication.
MODEL
!
VERSION
NO.
version
SYMBOL
i
IC-2000H
1
^02
Europe
EUR
#03
Italy
ITA
#05
USA.
j
USA
#06
1
Korea
KOR
i
#07
Australia
'
i
AUS
IC-200D
#04
Thailand
1
THA
To upgrade
quality,
any
electrical or
mechanical
parts
and
internal
circuits
are subject to
change
without
notice or obligation.
NEVER
connect
the transceiver to
an
AC
outlet
or
to
a
DC
power
supply
that
uses more
than 16
V.
This
will
ruin the
transceiver.
DO NOT
expose
the transceiver
to rain
,
snow
or
any
liquids.
DO NOT
reverse the polarities of the
power
supply whert
connecting the transceiver.
DO NOT
apply
an
RF
signal of
more
than
20
dBm
(100
mW)
to
the
antenna
connector. This
could
damage
the trans'
ceiver's front
end.
ORDERING PARTS
REPAIR
NOTES
Be sure
to
include the following four points
when
ordering
replacement
parts:
1
.
1
0-digit
order
numbers
2.
Component
part
number
and
name
3.
Equipment model
name
and
unit
name
4.
Quantity required
(SAMPLE ORDER)
S.IC
HD404S29C10H
lQ-2Qm LOGICUNIT
^pieces
3610008661}
Screw
PKBTM3 k&NIZU
C-20K1H Rear pane!
10
pieces
Addresses are provided on the inside
back cover
for
your
convenience.
1,
Make
sure a problem
is
internal
before disassembling
the transceiver,
2.
DO NOT
open
the transceiver
until
the transceiver
is
disconnected from
its
power
source,
3
DO NOT
force
any
of the variable
components.
Turn
Ihem
slowly
and
smoothly.
4.
DO NOT
short
any
circuits or electronic parts.
An
insulated tuning toot
MUST
be used
for
all
adiustments.
5.
DO NOT
keep power
OM
for
a long time
when
the
transceiver
is
defective.
6.
DO NOT
transmit
power
into
a signal
generator
or a
sweep
generator.
7.
ALWAYS
conned
a 50
dB
to
60
dB
altenuator
between
the transceiver
and
a deviation
meter
or
spectrum
analyzer
when
using
such
test
equipment.
8.
READ
the
instructions of
test
equipment
thoroughly
before connecting equipment
to
the transceiver.