Icom IC-M604A Service Manual - Page 2

Introduction, Ic-m604, Never, Do Not, <sample Order&gt, Always - vhf marine transceiver

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INTRODUCTION This service manual describes the latest service information for the IC-M604 VHF MARINE TRANSCEIVER at the time of publication. MODEL IC-M604 VERSION MICROPHONE USA HM-126RB USA-1 HM-126RG COLOR BLACK GRAY To upgrade quality, any electrical or mechanical parts and internal circuits are subject to change without notice or obligation. DANGER NEVER connect the transceiver to an AC outlet or to a DC power supply that uses more than 15.6 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 (100 mW) to the antenna connector. This could damage the transceiver's front end. 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 1110003490 S.IC TA31136FN IC-M604 MAIN UNIT 5 pieces 8820001210 Screw 2438 screw IC-M604 Top cover 10 pieces Addresses are provided on the inside back cover for your convenience. REPAIR NOTES 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 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 transceiver is defective. 6. DO NOT transmit power into a signal generator or a sweep generator. 7. ALWAYS connect a 50 dB to 60 dB attenuator 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. Icom, Icom Inc. and logo are registered trademarks of Icom Incorporated (Japan) in the United States, the United Kingdom, Germany, France, Spain, Russia and/or other countries.

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This service manual describes the latest service information
for the
IC-M604
VHF MARINE TRANSCEIVER at the time
of publication.
NEVER
connect the transceiver to an AC outlet or to a DC
power supply that uses more than 15.6 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 (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.
MODEL
VERSION
MICROPHONE
COLOR
IC-M604
USA
HM-126RB
BLACK
USA-1
HM-126RG
GRAY
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>
1110003490 S.IC
TA31136FN
IC-M604
MAIN UNIT
5 pieces
8820001210 Screw 2438 screw
IC-M604
Top cover
10 pieces
Addresses are provided on the inside back cover for your
convenience.
Icom, Icom Inc. and
logo are registered trademarks of Icom Incorporated (Japan) in the United States, the United
Kingdom, Germany, France, Spain, Russia and/or other countries.
ORDERING PARTS
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
them slowly and smoothly.
4.
DO NOT
short any circuits or electronic parts.
An insu-
lated 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 signal generator or a
sweep generator.
7.
ALWAYS
connect a 50 dB to 60 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.
REPAIR NOTES
INTRODUCTION
DANGER