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This service manual describes the latest service information
for the IC-F3021T/S, IC-F3022T/S and IC-F3023T/S VHF
FM TRANSCEIVERS at the time of publication.
Be sure to include the following four points when ordering
replacement parts:
1. 10-digit Icom parts numbers
2. Component name and informations
3. Equipment model name and unit name
4. Quantity required
<SAMPLE ORDER>
5030002760 LCD L3-0200HAY-3 IC-F3021T Main unit 5 pieces
8810009561 Screw PH BT M2 × 6 NI-ZK3 IC-F3021T Chassis 10 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 8 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 trans-
ceiver's front end.
To upgrade quality, any electrical or mechanical parts
and internal circuits are subject to change without
notice or obligation.
INTRODUCTION
CAUTION
ORDERING PARTS
MODEL Key Pad VERSION SYMBOL
Channel
Spacing
IC-F3021T 10-key
U.S.A [USA-02]
15.0 kHz /
30.0 kHz
IC-F3021S 4-key
IC-F3022T 10-key
Europe [EUR-02]
12.5 kHz /
20.0 kHz /
25.0 kHz
IC-F3022S 4-key
IC-F3023T 10-key
General [GEN-02]
12.5 kHz /
25.0 kHz
IC-F3023S 4-key
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 turning 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 40 dB to 50 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.
REPAIR NOTES