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.
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VersionModel
Europe
U.S.A.
Symbol AC supply
USA1, USA3
Power
50 W
100 V–120 V
100 V–120 V
GeneralIC-FR4000
IC-FR4100
GEN1, GEN2, GEN3 50 W
220 V–240 VGeneral GEN5, GEN6, GEN7 50 W
220 V–240 VEUR1, EUR3 25 W
Germany 220 V–240 VFRG1, FRG3 25 W
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