This service manual describes the latest technical informa-
tion for the
IC-M25 and IC-M25EURO
vhf
transceiver
, at the
time of publication.
DO NOT
reverse the polarities of the power supply when con-
necting the transceiver.
DO NOT
apply an RF signal of more than 20 dBm (100 mW) to
the antenna connector. This could damage the transceiver’s
front-end.
To upgrade quality, any electrical or mechanical parts
and internal circuits are subject to change without notice
or obligation.
Be sure to include the following four points when ordering
replacement parts:
1. 10-digit Icom part number
2. Component name
3. Equipment model name and unit name
4. Quantity required
<ORDER EXAMPLE>
1110003491 S.IC TA31136FNG IC-M25
MAIN UNIT 5 pieces
8820001210 Screw 2438 screw
IC-M25EURO Top cover 10 pieces
Addresses are provided on the inside back cover for your
convenience.
ORDERING PARTS
1. Make sure that the problem is internal before disassem-
bling the transceiver.
2.
DO NOT
open the transceiver until the transceiver is dis-
connected from its power source.
3.
DO NOT
force any of the variable components. Turn them
slowly and smoothly.
4.
DO NOT
short any circuits or electronic parts. An insulated
tuning tool MUST be used for all adjustments.
5.
DO NOT
keep power ON for a long time when the trans-
ceiver is defective.
6.
DO NOT
transmit power into a Standard Signal Generator
or a Sweep Generator, otherwise the RF power may dam-
age them.
7.
ALWAYS
connect a 30 dB to 40 dB attenuator between the
transceiver and a Deviation Meter or Spectrum Analyzer,
when using such test equipment.
8.
READ
the instructions of the test equipment thoroughly
before connecting it to the transceiver.
REPAIR NOTES
INTRODUCTION
CAUTION
(IC-M25)
Icom, Icom Inc. and the Icom logo are registered trademarks of Icom Incorporated (Japan) in Japan, the United States, the
United Kingdom, Germany, France, Spain, Russia, Australia, New Zealand, and/or other countries.
MODEL
NAME
VERSION
NAME
VERSION
NUMBER
TX OUTPUT
POWER
IC-M25
USA
#01
5W/1W
EXP
#02
5W/1W
CHN
#03
5W/1W
IC-M25EURO
EUR
#05
5W/1W
UK
#06
5W/1W
FRG
#07
5W/1W
(1W/0.5W)
HOL
#08
5W/1W
AUS
#09
5W/1W
IC-M25
USA-01
#11
5W/1W
EXP-01
#12
5W/1W
CHN-01
#13
5W/1W
IC-M25EURO
EUR-01
#15
5W/1W
UK-01
#16
5W/1W
FRG-01
#17
5W/1W
(1W/0.5W)
HOL-01
#18
5W/1W
AUS-01
#19
5W/1W
IC-M25
USA-02
#21
5W/1W
EXP-02
#22
5W/1W
CHN-02
#23
5W/1W
IC-M25EURO
EUR-02
#25
5W/1W
UK-02
#26
5W/1W
FRG-02
#27
5W/1W
(1W/0.5W)
HOL-02
#28
5W/1W
AUS-02
#29
5W/1W
