Kenwood NX-5600HB User Manual

SERVICE MANUAL
COPYRIGHT © 2019 JVCKENWOOD Corporation
No.RA075<Rev.001>
2019/6
B5B-7318-00
VHF DIGITAL TRANSCEIVER
RA075<Rev.001>20196SERVICE MANUALB5B-7318-00
NX-5600HB
COPYRIGHT © 2019 JVC KENWOOD Corporation
TABLE OF CONTENTS
1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-34
4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-37
5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-57
This product complies with the RoHS directive for the European market.
This product uses Lead Free solder.

Kenwood NX-5600HB Specifications

General

Brand	Kenwood
Model	NX-5600HB
Category	Transceiver
Language	English

Summary

SPECIFICATION

GENERAL

General operational parameters and physical dimensions of the transceiver.

RECEIVER

Technical specifications for the receiver section of the transceiver.

TRANSMITTER

Technical specifications for the transmitter section of the transceiver.

SERVICE INSTRUCTIONS

2.1 SYSTEM SET-UP

Procedures for setting up the transceiver system with various components.

2.2 REALIGNMENT

Procedures for realigning transceiver functions and modes.

2.2.5 PC Mode

Instructions for connecting and programming the transceiver via PC.

2.2.7 Clone Mode

Method for transferring programming data between transceivers.

2.2.8 Front Panel Programming Mode

Procedures for configuring transceiver settings directly via the front panel.

INSTALLATION

2.3.1 Installation for the remote control system

Details on connecting remote and handheld control heads to the transceiver.

2.3.5 SECURE CRYPTOGRAPHIC MODULE (KWD-AE30/KWD-AE31:Option)

Instructions for installing the secure cryptographic module.

CIRCUIT DESCRIPTION

2.4.1 Overview

General overview of the transceiver's internal architecture.

2.4.3 Receiver System

Detailed breakdown of the receiver's RF, IF, and audio circuits.

2.4.4 Transmitter System

Explanation of the transmitter's audio, baseband, and amplifier circuits.

2.4.7 Power Supply Circuit

Description of the transceiver's power supply architecture and voltage regulation.

ADJUSTMENT PROCEDURES

4.2 Panel Test Mode

Guide to entering and using the panel test mode for diagnostics.

4.3 Panel Tuning Mode

Instructions for tuning transceiver parameters using the panel controls.

4.9 Transmitter Section

Detailed adjustment procedures for transmitter power and deviation settings.

4.10 Receiver Section

Procedures for adjusting receiver sensitivity and AF level settings.

TROUBLESHOOTING

5.1 Fault Diagnosis of the BGA (Ball Grid Array) IC

Flowcharts for diagnosing issues related to BGA IC failures.

5.2 Failure diagnosis of the GPS section

Troubleshooting guide for diagnosing GPS function failures.

5.4 Replacing Main Unit

Instructions for replacing the main unit and associated data.

5.5 Operating Method of Enforced Firmware Overwriting Mode

Method for forcibly overwriting firmware when normal methods fail.

PARTS LIST

Exploded view of general assembly and parts list

Visual representation of components with corresponding part numbers.

Electrical parts list

Detailed list of electrical components with part numbers and descriptions.