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Make/Model Information:

  • Brand:   Icom
  • Models included:
    • Icom IC-FR4000
    • Icom IC-FR4100

File Information:

  • Type:   Factory Service Manual (FSM)
  • Language:   English (EN)
  • Number of pages:   79
  • File size:  ∼ 6.90 MB
  • File Format:   PDF only
  • SME Watermarks:   None
  • Password lock:   No
  • Edit/copy/modify:   Yes
  • SKU:   ROIC-0096

NOTE:  This list was created by program script and may not accurately represent the text from the source pages.   For full preview please click on 'Download sample':

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UHF FM REPEATER
iC-fr4000
iC-fr4100
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

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.
Version Model
Europe
U.S.A.
Symbol AC supply
USA1, USA3
100 V120 V
100 V120 V
General IC-FR4000
IC-FR4100
GEN1, GEN2, GEN3 50 W
220 V240 V General GEN5, GEN6, GEN7 50 W
220 V240 V EUR1, EUR3 25 W
Germany 220 V240 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.
TABLE OF CONTENTS
SECTION 1 SPECIFICATIONS
SECTION 2 INSIDE VIEWS
SECTION 3 CIRCUIT DESCRIPTION
3 - 1 RECEIVER CIRCUITS
3 - 2 TRANSMITTER CIRCUITS
3 - 3 PLL CIRCUITS
3 - 4 OTHER CIRCUITS
3 - 5 POWER SUPPLY CIRCUITS
3 - 6 PORT ALLOCATIONS
SECTION 4 ADJUSTMENT PROCEDURES
4 - 1 PREPARATION
4 - 2 PLL ADJUSTMENST
4 - 3 RECEIVER ADJUSTMENT
4 - 4 SOFTWARE ADJUSTMENT
SECTION 5 PARTS LIST
SECTION 6 OPTIONAL UNIT INSTALLATION
SECTION 7 MECHANICAL PARTS AND DISASSEMBLY
SECTION 8 SEMI-CONDUCTOR INFORMATION
SECTION 9 BOARD LAYOUTS
9 - 1 FRONT UNIT
9 - 2 VR UNIT
9 - 3 TVCO UNIT
9 - 4 RVCO UNIT
9 - 5 LOGIC UNIT
9 - 6 RX UNIT
9 - 7 TX UNIT
9 - 8 50PA UNIT [FR4000]
9 - 9 VARISTER UNIT [FR4000]
9 - 10 25PA UNIT [FR4100]
9 - 11 REG UNIT [FR4000]
9 - 12 JACK1 UNIT [FR4000]
9 - 13 JACK2 UNIT [FR4000]
9 - 14 JACK1 UNIT [FR4100]
9 - 15 JACK2 UNIT [FR4100]
SECTION 10 BLOCK DIAGRAM
SECTION 11 WIRING DIAGRAM
SECTION 12 VOLTAGE DIAGRAM
SECTION 1 SPECIFICATIONS
Measurement method
Frequency range
Type of emission
Channel spacing
Frequency stability
Number of channels
Antenna connector
Power supply requirement
Current drain (approx.)
Operating temperature range
Dimensions (proj. not included)
Weight (approx.)
RF output power (High/Low)
Modulation system
Maximum frequency deviation
Spurious emissions
Adjacent channel power
Input impedance
Receive system
Intermediate frequencies
Sensitivity (typical)
Adjacent channel selectivity (typical)
Spurious response
Intermodulation (typical)
Audio output power
Audio output impedance
IC-FR4000 IC-FR4100
RECEIVER TRANSMITTER GENERAL
EIA/TIA-603 ETS 300 086
Low band ([L]; [USA1], [GEN1], [GEN5], [EUR1], [FRG1]): 400.000430.000 MHz
Middle band ([M]; [GEN2], [GEN6]): 430.000450.000 MHz
High band ([H]; [USA3], [GEN3], [GEN7], [EUR3], [FRG3]):450.000480.000 MHz
Wide (25 kHz): 16K0F3E
Middle (20 kHz): 14K0F3E
Narrow (12.5 kHz): 8K50F3E
Wide/Narrow ([USA1], [USA3], [GEN1][GEN7], [EUR1], [EUR3]): 25/12.5 kHz
Middle/Narrow ([FRG1], [FRG3]): 20/12.5 kHz
2.5 ppm 1.0 kHz
Max. 32 channels
Type-N 2 (50 ?)
[USA1], [USA3], [GEN1], [GEN2], [GEN3]: 100120 V
[GEN5], [GEN6], [GEN7], [EUR1], [EUR3], [FRG1], [FRG3]: 220240 V
13.6 V (negative ground) 13.2 V (negative ground)
20 A (at 50 W) 12 A (at 25 W)
Max. audio: 2 A
Stand-by: 1 A
30C to +60C (22F to +140F) 25C to +55C
410(W) 110(H) 360(D) mm; 165/32(W) 411/32(H) 143/16(D) inch
12 kg; 26 15/32 lb
50/10 W 25/5 W
Variable reactance frequency modulation
[Wide]: 5.0 kHz, [Middle]: 4.0 kHz, [Narrow]: 2.5 kHz
70 dBc typical 0.25 W = 1GHz, 1.0 W > 1 GHz
[Wide], [Middle]: 70 dB, [Narrow]: 60 dB
Double-conversion superheterodyne system
1st: 70 MHz, 2nd: 455 kHz
0.5 V at 12 dB SINAD 6 dBV (emf) at 20 dB SINAD
[Wide], [Middle]: 70 dB, [Narrow]: 60 dB
2.5 W typical at 10% distortion with a 4 ? load
All stated specifications are subject to change without notice or obligation.
9 - 10
VARISTER UNIT [FR4000]
BOTTOM VIEW
BOTTOM VIEW
50PA UNIT [FR4000] The combination of this page and the previous page
shows the unit layout in the same configuration as the
actual P.C. Board.
1-1-32, Kamiminami, Hirano-ku, Osaka, 547-0003, Japan
S-13913MZ-C1-2
20032004 Icom Inc.


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