INTRODUCTION
DANGER
This service manual describes the latest service information
for the
IC-M401E
VHF MARINE TRANSCEIVER at the time
of publication.
4 versions of the
IC-M401E
have been designed. This ser-
vice manual covers each version.
MODEL
IC-M401E
VERSION
UK, EUR, HOL,
FRG
EUR-1
SYMBOL
BLACK
WHITE
ORDERING PARTS
Be sure to include the following four points when ordering
replacement parts:
1. 10-digit order numbers
2. Component part number and name
3. Equipment model name and unit name
4. Quantity required
<
SAMPLE ORDER
>
1110003200 S.IC
TA31136FN
IC-M401E MAIN UNIT 5 pieces
8820001210 Screw 2438 screw
IC-M401E Chassis
12 pieces
Addresses are provided on the inside back cover for your
convenience.
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 when
connecting the transceiver.
DO NOT
apply an RF signal of more than 20 dBm (100mW)
to the antenna connector. This could damage the trans-
ceiver's front end.
REPAIR NOTES
1. Make sure a problem is internal before disassembling
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 insulat-
ed turning 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 signal generator or a
sweep generator.
7.
ALWAYS
connect a 40 dB to 50 dB attenuator between
the transceiver and a deviation meter or spectrum ana-
lyzer when using such test equipment.
8.
READ
the instructions of test equipment thoroughly
before connecting equipment to the transceiver.
To upgrade quality, anyelectrical or mechanical parts and
internal circuits are subject to change without notice or
obligation.
Icom, Icom Inc. and are registered trademarks of Icom Incorporated (Japan) in the United States, the United Kingdom,
Germany, France, Spain, Russia and/or other countries.
