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This service manual describes the latest service information
for the
IC-F24/S IC-F25/S IC-F26/S IC-F26-L IC-F4018
UHF
TRANSCEIVER at the time of publication.
NEVER
connect the transceiver to an AC outlet or to a DC
power supply that uses more than specifed. 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.
Be sure to include the following four points when ordering
replacement parts:
1. 10-digit Icom parts numbers
2. Component name
3. Equipment model name and unit name
4. Quantity required
<ORDER EXAMPLE>
1110003491 S.IC
TA31136FNG IC-F24
MAIN UNIT
5 pieces
8820001210 Screw 2438 screw
IC-F24
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 that 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 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 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 throughly
before connecting a test equipment to the transceiver.
REPAIR NOTES
INTRODUCTION
CAUTION
(IC-F24)
MODEL VERSION
FREQ.
(MHz)
CHANNEL
SPACING (kHz)
CHANNELS
F24
USA-02
400–470
12.5/25.0
16CH
USA-03
450–512
USA-04
400–470
USA-05
450–512
GEN-02
400–470
GEN-03
450–520
F25
EUR-02
400–470
12.5/20.0/25.0
F26
RUS-02
12.5/25.0
RUS-05
CHN-02
F26-L
EXP-01
350–390
CHN-01
F24S
USA-02
400-470
2CH
USA-03
450–512
USA-04
400–470
GEN-02
GEN-03
450–520
F25S
EUR-02
400–470
12.5/20.0/25.0
F26S
RUS-02
12.5/25.0
RUS-05
F4018
CHN-01
Summary of Contents for IC-F24/S
Page 1: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 15 VOLTAGE DIAGRAM 17 Mar 2009...
Page 19: ...Feb 2009 SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 VOLTAGE DIAGRAM 11 Feb 2009...
Page 45: ...S 14116IZ C1 w Mar 2008 UHF TRANSCEIVER...
Page 81: ...9 1 SECTION 9 BLOCK DIAGRAM 3SK324 MAIN MAIN B UNIT...
Page 85: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14116IZ C1 w 2004 2008 Icom Inc...