Kirisun PT7200-02 User Manual

PROFESSIONAL
TWO-WAY RADIO
PT7200
V071215
FM PORTABLE RADIO
SERVICE MANUAL

Kirisun PT7200-02 Specifications

General

Frequency Range	400-470 MHz
Output Power	5W
IP Rating	IP54
Channel Spacing	12.5/25 kHz
Operating Voltage	7.4V
Frequency Stability	±2.5ppm
Operating Temperature	-20°C to +60°C
Antenna Impedance	50Ω
Audio Output	500mW
Channel Capacity	16

Summary

Introduction

1.1 Introduction

Provides an overview of the manual's purpose and scope for engineers and technicians.

1.2 Service Precautions

Outlines safety guidelines, including electrical and environmental hazards.

1.3 Service

Details warranty terms and conditions for the radio and its accessories.

Radio Overview and Function Keys

2.1 Radio Overview

Identifies and describes the main parts and indicators of the radio.

2.2 Function Keys

Explains the operation of the radio's function keys and buttons.

Electrocircuit

3.1 Frequency Configuration

Explains the receiver's intermediate frequency and local oscillation signals.

3.2 Receiver Elements (RX)

Details the functional blocks of the receiver circuit.

Electrocircuit (continued)

3.3 Transmitter (TX)

Details the transmitter power amplifier and audio signal processing.

3.4 Frequency Synthesizer

Explains the PLL frequency synthesizer for generating RF signals.

3.5 Voice Prompt Circuit

Describes the feature that provides voice announcements for channel selection.

3.6 Power Supply

Details the radio's power source and voltage regulation circuits.

Electrocircuit (continued)

3.7 MCU

Lists the MCU's functions and port descriptions.

3.8 Semiconductor Component

Provides a description of the microprocessor's ports.

Electrocircuit (continued)

Table 3.4: Semi-Conductor Component Function

Lists components and their descriptions.

Table 3.5 Diode Function Description

Lists diodes and their functions.

Table 3.6: XF203 crystal filter features

Provides specifications for the crystal filter.

Electrocircuit (continued)

Table 3.7 CF201 LTWC450F functions and features

Lists features and functions of CF201.

Table 3.8 CF202 LTWC450G functions and features

Lists features and functions of CF202.

Table 3.9 Semiconductor Component Packaging Illustration

Shows illustrations of component packaging.

Function Description and Parameter Setting

4.1 Major Functions

Details the primary operational functions of the radio.

4.1.1 16 Channels

States the radio supports 16 programmable channels.

4.1.2 Scanning Channel Function

Explains how to use and configure channel scanning.

4.1.3 CTCSS and DCS

Describes the use of CTCSS/DCS for selective calls.

Function Description and Parameter Setting (continued)

4.1 Major Functions (continued)

Continues detailing radio functions.

4.1.4 TOT function

Explains the Time-Out Timer function and its settings.

4.1.5 Auto Power Saving

Describes the programmable battery power saving modes.

4.1.6 Low Power Warning

Explains how the radio indicates low battery status.

4.1.7 Squelch enabled function

Describes how to enable/disable squelch for monitoring.

4.1.8 5TONE signaling

Details the 5Tone encoding and decoding features.

4.1.11 PC Programmable

Explains how to program radio functions via PC.

4.1.12 Squelch Level Selection

Describes how to adjust squelch sensitivity levels.

4.1.13 Beep Tone Volume

Explains how to set beep tone volumes for various alerts.

4.2 Parameter Setting (PC Mode)

Outlines steps for setting radio parameters using PC software.

Function Description and Parameter Setting (continued)

4.2 Parameter Setting (PC Mode) (continued)

Lists parameters that can be programmed via PC.

4.3 Computer Test Mode

Explains how to connect the radio for testing and modification.

4.4 Wired Clone Parameters

Describes the process for cloning radio settings via cable.

Service, Assembly and Disassembly

5.1 Removing and Installing the Battery

Provides instructions for removing and installing the battery pack.

5.2 Removing and Installing the Belt Clip

Details the steps for attaching and detaching the belt clip.

Service, Assembly and Disassembly (continued)

5.3 Removing the Casing from the Chassis

Instructions for disassembling the radio casing.

5.4 Remove the Chassis from the Main Board

Steps for separating the chassis from the main circuit board.

Radio Debugging

6.1 Service Equipment and Software

Lists necessary equipment and software for service.

Radio Debugging (continued)

6.2 Debugging

Provides debugging procedures for various radio functions.

Radio Debugging (continued)

6.2 Debugging (continued)

Continues debugging procedures for reception and transmission parameters.

Technical Specifications

7.1 General Specification

Lists general technical specifications for the radio.

7.2 Receiver

Details the technical specifications for the receiver section.

Technical Specifications (continued)

7.2 Receiver (continued)

Continues listing receiver technical specifications.

7.3 Transmitter

Details the technical specifications for the transmitter section.

Technical Specifications (continued)

7.3 Transmitter (continued)

Continues listing transmitter technical specifications.

Troubleshooting

Problem

Lists common problems and their potential causes and solutions.

Troubleshooting (continued)

Problem (continued)

Continues troubleshooting common radio issues.

KBC-70C Charger

9.1 General Description

Overview of the intelligent rapid charger's function.

9.2 Operating environment

Specifies the operating temperature and humidity for the charger.

9.3 Safety requirements

Lists safety standards the charger complies with.

9.4 Technical Specifications

Details the technical specifications of the charger.

KBC-70C Charger (continued)

9.4 Technical Specifications (continued)

Continues charger technical specifications.

9.5 LED Status Table

Explains the meaning of LED indicators on the charger.

KBC-70C Charger (continued)

9.6 Description of interfaces

Describes the charger's interfaces and connectors.

Appendix 1 Abbreviations

Appendix 2: Spare List

Appendix 3: STRUCTURE PART LIST

Appendix 4: Electronic Component List (136-174MHz)

Appendix 4: Electronic Component List (136-174MHz) (continued)

Appendix 4: Electronic Component List (400-470MHz)

Appendix 4: Electronic Component List (400-470MHz) (continued)

Appendix 4: Electronic Component List (400-470MHz) (continued)

Appendix 4: Electronic Component List (400-470MHz) (continued)

Appendix 4: Electronic Component List (400-470MHz) (continued)

Appendix 5: Accessory List

Figure 1 PT7200 Top Board Position Mark Diagram(136-174)

Figure 1 PT7200 Top Board Position Mark Diagram(136-174) (continued)

Figure 1 PT7200 Top Board Position Mark Diagram(400-470)

Figure 1 PT7200 Top Board Position Mark Diagram(400-470) (continued)

PT7200电路原理图(136-----174)

Figure 6 PT7200 Schematic Circuit Pane Diagram (400-470MHz)

Figure 7 Schematic Circuit Pane Diagram