Icom ID-31A Service Manual page 2

INTRODUCTION
This ser vice manual descr ibes the latest technical
information for the ID-31A/ID-31E UHF TRANSCEIVER, at
the time of publication.
MODEL VERSION
USA
KOR
EXP
ID-31A
EXP-01
AUS
EUR
ID-31E UK
ITR
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 the specified voltage.
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 Icom part number
2. Component name
3. Equipment model name and unit name
4. Quantity required
<ORDER EXAMPLE>
1110003491 S.IC TA31136FNG ID-31A
8820001210 Screw 2438 screw
Addresses are provided on the inside back cover for your
convenience.
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 and/or other countries.
SUPPLIED
CHARGER
BC-167SA
BC-167SD
BC-167SA
BC-167SD
BC-167SV
BC-167SD
N/A
BC-167SD
MAIN UNIT 5 pieces
ID-31E Top cover 10 pieces
REPAIR NOTES
1. Make sure that the problem is internal before dis-
assembling 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 shor t any circuits or electronic par ts. 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 Standard Signal Generator
or a Sweep Generator.
7. ALWAYS connect a 30–40 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 throughly
before connecting it to the transceiver.
(ID-31A)