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INTRODUCTION
This ser vice manual descr ibes the latest ser vice
information for the
IC-F24/IC-F24S/IC-F25/IC-F25S
UHF
TRANSCEIVER
at the time of publication.
DANGER
NEVER
connect the transceiver to an AC outlet or to a DC
power supply that uses more than 8 V. Such a connection
could cause a fire or electric hazard.
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.
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
>
2260002840 Switch SKHLLFA010 IC-F24 Main unit 5 pieces
8930063350 Lens 2775 Lens IC-F24 Chassis 10 pieces
Addresses are provided on the inside back cover for your
convenience.
1. Make sure the 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 30 dB to 40 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.
To upgrade quality, all electrical 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.
MODEL
VERSION
SYMBOL
CH
FREQUENCY
IC–F24
USA–02
US2
16
400–470 MHz
USA–03
US3
16
450–512 MHz
GEN–02
GE2
16
450–470 MHz
GEN–03
GE3
16
450–520 MHz
IC–F24S
USA–02
US2S
2
400–470 MHz
USA–03
US3S
2
450–512 MHz
GEN–02
GE2
2
400–470 MHz
GEN–03
GE3
2
450–520 MHz
IC–F25
EUR–02
EU2
16
400–470 MHz
IC–F25S
EUR–02
EU2S
2
400–470 MHz
REPAIR NOTES