Icom iC-m34 Service Manual page 2

INTRODUCTION
This service manual describes the latest service information
for the IC-M34 VHF MARINE TRANSCEIVER at the time of
publication.
MODEL VERSION
U.S.A.
IC-M34
South East Asia
To upgrade quality, any electrical or mechanical parts and
internal circuits are subject to change without notice or
obligation.
CAUTION
NEVER connect the transceiver to an AC outlet or to a DC
power supply that uses more than 8 V. This will ruin the
transceiver.
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
<SAMPLE ORDER>
1110003491 S.IC TA31136FNG IC-M34
8820001210 Screw 2438 screw
Addresses are provided on the inside back cover for your
convenience.
Icom, Icom Inc. and
Kingdom, Germany, France, Spain, Russia and/or other countries.
SYMBOL AC ADAPTER
[USA] BC-174A
[SEA] BC-174E
MAIN UNIT 5 pieces
IC-M34 Top cover 10 pieces
logo are registered trademarks of Icom Incorporated (Japan) in the United States, the United
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.
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.
An