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Icom
IC-F3GT, IC-F3GS
service manual
13713IZ-C1U
Models:
IC-F3GT
IC-F3GS
1
83
83
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Specifications
Install
Parts list
Voltage Diagram
RF signal From PLL Driver
Accessories
Disassembly Instruction
Adjustment Procedures
PLL Adjustment
Power supply requirement
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S-13713IZ-C1U-
1
1-1-32,
Kamiminami,
Hirano-ku,
Osaka,
547-0003,
Japan
© 2000 Icom Inc.
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Contents
VHF FM Transceivers
Repair Notes
Introduction
Ordering Parts
Table of Contents
EIA/TIA
Section Specifications
Bottom View
Inside Views
Main Unit TOP View
Removing the Main Unit
Disassembly and Option Instructions
Disassembly Instruction
Removing the Chassis Panel
Optional Unit Installations
Receiver Circuits
Circuit Description
Transmitter Circuits
PLL Circuit
Power Supply Circuits Voltage Line
Output Expander IC IC10
Port Allocations
Preparation
Adjustment Procedures
¥ JIG cable
Top view
PLL Adjustment
TXF
Software Adjustment
Software Adjustment
Main Unit
Parts List
Variable
Thermistor NTCCM20124AG473J-T
Tantalum ECST0JY106R
Chassis Unit
Chassis Parts
Mechanical Parts and Disassembly
Accessories
IC-F3GS parts
Diodes
SEMI-CONDUCTOR Information
Transistor and FET’S
General and EIA/TIA Versions Except W/N-TYPE
Board Layouts
Main Unit Bottom View
MP6
ETS/CEPT Version
IC1
MP5
VHF
FI1
Convenient
Parts List
Disassembly Information
BC-137 Optional Desktop Charger Informasion
Board Layout
Voltage Diagram
Option Unit
Block Diagram
BU4066BCFV
Voltage Diagram
Band of ETS/CEPT version N-type
DTA144EU
Avref Vtref Toned Tonem Avcc
Section Voltage Diagram
Page
32, Kamiminami, Hirano-ku, Osaka, 547-0003, Japan
UHF FM Transceivers
IC-F4GTIC-F4GS
Preparation PLL Adjustment Software Adjustment
Power supply requirement
APC IC3A NJM3403AV
Disassembly and Option Instructions
Optional Unit Installations
2ND if and Demodulator Circuits
RF signal From PLL Driver
Resistor R132
PLL Circuit Power Supply Circuits Voltage Line
PTT
Adjustment Procedures
Screen Display Example
DC Power Cable Connections
L405 L11
Powerlo
BPF T1
NJM3403AV-TE1 IC4
Resistor ERJ2GE
Thermistor NTCCM1608 4LH 223KC
Ceramic ECUE1H470JCQ
ECEV1CA470SP Other
Ceramic ECJ0EB1E471K
Band MHz band MHz and H-band
IC-F4GS parts
DTA144 EU DTC144 EE DTC144 EU DTC144 TU
DS1
LOW Band
FI1
440-470 MHz Band Except W/N-TYPE
Icom
470-500 MHz and High Bands
B5542B
C308 Q19
B5688B
BC-137 Optional Desktop Charger Informasion
Voltage Diagram
Type Type of GEN Type of GEN and EIA/TIA version
NJM3403AV
M1-band of GEN and EIA/TIA version G W-type of GEN Type
2SC3585 R44 Q403 2SC5107 O
Band of ETS/CEPT version N-type M1 440-470 MHz-band
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13713IZ-C1U
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