ICOM IC-F420 Manuals

ICOM IC-F420 Manuals

Manuals and User Guides for ICOM IC-F420. We have 3 ICOM IC-F420 manuals available for free PDF download: Service Manual, Instruction Manual

Icom IC-F420 Service Manual

Icom IC-F420 Service Manual (42 pages)

UHF FM TRANSCEIVER

Brand: Icom | Category: Transceiver | Size: 2 MB

Table of Contents

Introduction
2
Ordering Parts
2
Repair Notes
2
Explicit Definitions
3
Table of Contents
3
Specifications
4
Inside View
5
Section 2 Inside View

6
Disassembly Instructions

6
- Opening Case
  6
- Instllation Location
  6
Circuit Description

7
- Receiver Circuits
  7
  - Antenna Switching Circuit
    7
  - Rf Circuit
    7
  - Af Amplifier Circuit
    8
  - Transmitter Circuit
    8
  - Microphone Amplifier Circuit
    8
  - Receiver Mute Circuits
    8
  - Drive Amplifier Circuit
    9
- Pll Circuits
  9
  - Power Amplifier Circuit
    9
  - Apc Circuit
    9
- Power Supply Circuits
  10
- Voltage Lines
  10
- Port Allocations
  10
  - Cpu
    10
  - I/O Expander IC
    11
Adjustment Procedures

12
- Preparation
  12
  - Required Test Equipment
    12
  - Adjustment Frequency
    12
  - Program Screen Example
    13
  - Connections
    13
- Pll Adjustment
  14
- Trimmer Adjustment
  15
Section 9 Board Layouts

17
Section 8 Semi-Conductor Information

17
- Beep Adjustment
  17
- Front Unit (IC-F410/F420)
  17
  - Parts List
    18
  - Mechanical Parts
    26
  - Semi-Conductor Information
    28
  - Transistors and Fet's
    28
  - Diodes
    28
  - Board Layouts
    29
  - Front Unit
    29
  - Bottom View
    30
- Front Unit (IC-F410S/F420S)
  31
- Main Unit
  33
Section 11 Voltage Diagram

35
Block Diagram

35
- Front Unit
  35
- Main Unit
  35
- Voltage Diagram
  36

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Icom IC-F420 Instruction Manual

Icom IC-F420 Instruction Manual (24 pages)

VHF/UHF transceiver

Brand: Icom | Category: Transceiver | Size: 2 MB

Table of Contents

Important
2
Explicit Definitions
2
Cautions
2
Table of Contents
3
Panel Description
4
I Front Panel
4
I Function Display
5
- I Programmable Function Keys
  6
  - Panel Description
    8
  - I Channel Selection
    9
  - I Turning Power on
    9
  - Operation
    9
D Transmitting Notes
10
I Receiving and Transmitting
10
D DTMF Transmission
11
D Tx Code Channel Selection
11
D Tx Code Number Selection
11
Operation
11
Connection and Maintenance
12
I Rear Panel and Connection
12
I Unpacking
13
I Supplied Accessories
13
I Mounting the Transceiver
14
I Optional UT-96/UT-105 Installation
14
- I Optional OPC-617 Installation
  15
- Connection and Maintenance
  15
- I Antenna
  15
- I Fuse Replacement
  15
- I Cleaning
  15
  - OPTIONAL Smartrunk II™ OPERATION
    16
  - I Smartrunk II™ and Conventional Modes
    16
  - I Smartrunk II™ Operation
    16
    
    Last Number Redial
    17
    
    Emergency Call
    17
    
    OPTIONAL Smartrunk II™ OPERATION
    18
  - Options
    19

Icom IC-F420 Instruction Manual

Icom IC-F420 Instruction Manual (20 pages)

Brand: Icom | Category: Transceiver | Size: 0 MB

Table of Contents

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