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Icom
IC-F3GS, IC-F3GT
service manual
Models:
IC-F3GT
IC-F3GS
1
82
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83
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83 pages
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Specs
Install
Parts list
Voltage Diagram
RF signal From PLL Driver
Accessories
Disassembly Instruction
Adjustment Procedures
PLL Adjustment
Power supply requirement
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Contents
VHF FM Transceivers
Ordering Parts
Introduction
Repair Notes
Table of Contents
Section Specifications
EIA/TIA
Main Unit TOP View
Inside Views
Bottom View
Removing the Chassis Panel
Disassembly and Option Instructions
Disassembly Instruction
Removing the Main Unit
Optional Unit Installations
Circuit Description
Receiver Circuits
Transmitter Circuits
Power Supply Circuits Voltage Line
PLL Circuit
Port Allocations
Output Expander IC IC10
Adjustment Procedures
Preparation
¥ JIG cable
Top view
PLL Adjustment
Software Adjustment
TXF
Software Adjustment
Parts List
Main Unit
Variable
Thermistor NTCCM20124AG473J-T
Tantalum ECST0JY106R
Chassis Unit
Accessories
Mechanical Parts and Disassembly
Chassis Parts
IC-F3GS parts
Transistor and FET’S
SEMI-CONDUCTOR Information
Diodes
Board Layouts
General and EIA/TIA Versions Except W/N-TYPE
MP6
Main Unit Bottom View
IC1
ETS/CEPT Version
MP5
VHF
FI1
BC-137 Optional Desktop Charger Informasion
Parts List
Disassembly Information
Convenient
Voltage Diagram
Board Layout
Block Diagram
Option Unit
Voltage Diagram
BU4066BCFV
Band of ETS/CEPT version N-type
DTA144EU
Section Voltage Diagram
Avref Vtref Toned Tonem Avcc
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
PLL Circuit Power Supply Circuits Voltage Line
Resistor R132
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
LOW Band
DS1
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
Page
13713IZ-C1U
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