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IC F121S
Service manual
Icom IC F121S Service Manual
Ic-f110s/f111s/f121s service manual
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Table Of Contents
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75
Contents
Table of Contents
Bookmarks
Table of Contents
Repair Notes
Ordering Parts
Channel Spacing
Explicit Definitions
Frequency Coverage
Table of Contents
Specifications
Inside View
Disassembly Instructions
Installation Location
Opening Case and Remove the Front Panel
Removing the Main Unit
Circuit Description
Receiver Circuits
Antenna Switching Circuit
Rf Circuit (Main Unit)
Transmitter Circuits
Af Amplifier Circuit (Main Unit)
Microphone Amplifier Circuit
Drive Amplifier Circuit (Main Unit)
Pll Circuits
Power Amplifier Circuit (Main Unit)
Apc Circuit (Main Unit)
Vco Circuit (Main Unit)
Power Supply Circuits
Port Allocations
Output Expander
Voltage Lines
Section 11 Voltage Diagrams
Section 2 Inside View
Section 3 Disassembly Instructions
Adjustment Procedures
Adjustment Software Installation
Preparation
Starting Software Adjustment
System Requirements
Connections
Required Test Equipment
Screen Display Exampe
Pll Adjustment
Software Adjustment
Front Panel
Trimmer Adjustment
Section 9 Board Layouts
Section 8 Semi-Conductor Information
Parts List
Front Unit
Mechanical Parts
Semi-Conductor Information
Transistors and Fet’s
Diode
Board Layouts
Front Unit
Bottom View (Front Unit)
Main Unit
Bottom View (Main Unit)
Block Diagram
Voltage Diagrams
Section 11 Voltage Diagrams
Section 3 Disassembly Instructions
Section 2 Inside View
Circuit Description
Receiver Circuits
Main Unit
Transmitter Circuits
Pll Circuits
Power Supply Circuits
Port Allocations
Adjustment Procedures
Preparation
Pll Adjustment
Software Adjustment
Trimmer Adjustment
Section 9 Board Layouts
Section 8 Semi-Conductor Information
Front Unit
Main Unit
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Frequency Coverage
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Specifications
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SERVICE
MANUAL
VHF TRANSCEIVER
iF110S
iF111S
iF121S
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