User Manuals: ICOM IC-F420S UHF Mobile Radio

Manuals and User Guides for ICOM IC-F420S UHF Mobile Radio. We have 3 ICOM IC-F420S UHF Mobile Radio manuals available for free PDF download: Service Manual, Instruction Manual

Icom IC-F420S Service Manual (42 pages)

UHF FM TRANSCEIVER

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

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

ICOM IC-F420S Instruction Manual (20 pages)

VHF/UHF TRANSCEIVER

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

Important
2
Explicit Definitions
2
Cautions
2
Table of Contents
3
1 Panel Description

4
- Front Panel
  4
- Function LED
  5
- Programmable Function Keys
  6
2 Operation

9
- Turning Power on
  9
- Channel Selection
  9
- Receiving and Transmitting
  10
  - D Transmitting Notes
    10
  - D DTMF Transmission
    11
  - Dscrambler Function
    11
- User Set Mode
  11
  - D Entering User Set Mode
    11
3 Connection and Maintenance

12
- Rear Panel and Connection
  12
- Supplied Accessories
  13
- Mounting the Transceiver
  14
- Optional UT-96/UT-105/UT-109/UT110 Installation
  14
- Optional OPC-617 Installation
  15
- Antenna
  15
- Fuse Replacement
  15
- Cleaning
  15
4 OPTIONAL Smartrunk II™ OPERATION

16
- Smartrunk II™ and Conventional Modes
  16
- Smartrunk II™ Operation
  16
  - Last Number Redial
    17
  - D Emergency Call
    17
5 Options

19

Icom IC-F420S Instruction Manual (20 pages)

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

ICOM Categories

Transceiver Receiver Repeater Radio Two-Way Radio

More ICOM Manuals

User Manuals: ICOM IC-F420S UHF Mobile Radio

Icom IC-F420S Service Manual (42 pages)

Table of Contents

Section 2 Inside View

Disassembly Instructions

Circuit Description

Adjustment Procedures

Section 9 Board Layouts

Section 8 Semi-Conductor Information

Section 11 Voltage Diagram

Block Diagram

ICOM IC-F420S Instruction Manual (20 pages)

Table of Contents

1 Panel Description

2 Operation

3 Connection and Maintenance

4 OPTIONAL Smartrunk II™ OPERATION

5 Options

Icom IC-F420S Instruction Manual (20 pages)

Table of Contents

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