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INTRODUCTION

This service manual describes the latest service informa-
tion for the IC-FR4000/IC-FR4100 UHF FM REPEATER.

To upgrade quality, all electrical or mechanical parts and     
internal circuits are subject to change without notice or 
obligation.

DANGER

Use

  ONLY 

the specified AC

 

voltage described on the 

AC power socket. Other voltages may causes repeater 
damage or personal injuy.  

DO NOT 

expose the repeater to rain, snow or any liquids.

DO NOT 

apply an RF signal of more than 20 dBm (100 

mW) to the antenna connector. This could damage the 
repeater’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>

1110003780 S.IC NJM2902V IC-FR4000 LOGIC UNIT 1 piece
8930056450 2368 6-key

IC-FR4000 CHASSIS

5 pieces

1110002750 S.IC TA75S01F IC-FR4100 25PA UNIT

3 pieces

8930060410 2367 module holder IC-FR4100 25PA UNIT

1 piece

Addresses are provided on the inside back cover for your 
convenience.

REPAIR NOTES

Make sure a problem is internal before disassembling 
the repeater.
DO NOT open the repeater until the repeater is discon-
nected from AC outlet.
DO NOT  force any of the variable components. Turn 
them slowly and smoothly.
DO NOT short any circuits or electronic parts. An insu-
lated tuning tool MUST be used for all adjustments.
DO NOT keep power ON for a long time when the re-
peater is defective.
DO NOT  transmit power into a signal generator or a 
sweep generator.
ALWAYS  connect a 40 dB or 50 dB attenuator be-
tween the repeater and a deviation meter or spectrum 
analyser when using such test equipment.
READ  the instructions of test equipment thoroughly 
before connecting equipment to the repeater.

1.

2.

3.

4.

5.

6.

7.

8.

Version

Model

Europe

U.S.A.

Symbol

AC supply

USA1, USA3

Power

50 W

100 V–120 V

100 V–120 V

General

IC-FR4000

IC-FR4100

GEN1, GEN2, GEN3

50 W

220 V–240 V

General GEN5, GEN6, GEN7

50 W

220 V–240 V

EUR1, EUR3

25 W

Germany

220 V–240 V

FRG1, FRG3

25 W

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.

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