EasyManua.ls Logo

Motorola MOTOTRBO XPR 7550e User Manual

Motorola MOTOTRBO XPR 7550e
205 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
XPR 7550e
XPR 7580e
XPR 7350e
XPR 7380e
DETAILED
SERVICE MANUAL
TM
PROFESSIONAL DIGITAL TWO-WAY RADIO SYSTEM
MOTOTRBO PORTABLE

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the Motorola MOTOTRBO XPR 7550e and is the answer not in the manual?

Motorola MOTOTRBO XPR 7550e Specifications

General IconGeneral
Power OutputVHF: 1-5W, UHF: 1-4W
Battery LifeUp to 29 hours (digital mode)
IP RatingIP68
BluetoothYes
GPSYes
Emergency ButtonYes
Frequency RangeVHF: 136-174 MHz, UHF: 403-527 MHz
Channel Capacity1000 channels
Weight290 g (with standard battery)
Programmable ButtonsYes
DisplayFull-color display
Digital/AnalogBoth

Summary

Foreword

Product Safety and RF Exposure Compliance

TIA 4950 Safety Classification

Safety classification for radios, groups, and temperature ratings.

Computer Software Copyrights

Document Copyrights

Disclaimer

Trademarks

Document History

Section 1 Introduction

Notations Used in This Manual

Explains the use of note and caution notations for safety hazards.

Radio Description

Describes the XPR series portable radios as sophisticated, robust, and reliable two-way radios.

Summary of Printed Circuit Boards and Bands Available

Section 2 Maintenance

Introduction to Maintenance

Details chapter contents: preventive maintenance, safe handling of sensitive devices, and repair procedures.

Preventive Maintenance

Recommends periodic visual inspection and cleaning of the radio.

Inspection

Instructs to check external surfaces and controls for cleanliness and functionality.

Cleaning Procedures

Describes recommended cleaning agents and methods for external and internal surfaces.

Safe Handling of CMOS and LDMOS Devices

Repair Procedures and Techniques – General

Section 3 Test Equipment and Service Aids

Recommended Test Equipment

Lists standard test equipment required for servicing Motorola portable radios.

Service Aids

Section 4 Power Up Self-Test

Power-Up Error Codes (Display Model only)

Details error codes detected upon powering up and their corrective actions.

Operational Error Codes

Section 5 Radio Information

General Controller Block

Describes the controller section with host processor, PMIC, memory, and peripherals.

FGU (Frequency Generation Unit)

Explains the synthesizer and VCO operation for 8/900 MHz and VHF/UHF bands.

Receiver

Details the receiver front end circuitry from antenna input to RFIC.

Transmitter

Describes the transmitter circuits including power amplifier, filters, and matching network.

GNSS/Bluetooth/WiFi

GNSS (Global Navigation Satellite System)

Describes the GNSS receiver operation and components.

Bluetooth/WiFi Functionality

Details the Bluetooth and WiFi section using Marvell Avastar chipset.

Keypad and Display Block

Keypad Interface Details

Explains how the keypad interfaces with the host processor using Row/Column ladder.

GOB (Generic Option Board)

GOB Board Functionality

Explains the Generic Option Board's power and control circuitry for data sending.

Troubleshooting Charts

Controller Troubleshooting Flow Charts (Sheets 1-5)

Step-by-step guides for troubleshooting controller issues across multiple sheets.

Troubleshooting Flow Chart for Controller (Sheet 2 of 5)

Troubleshooting Flow Chart for Controller (Sheet 3 of 5)

Troubleshooting Flow Chart for Controller (Sheet 4 of 5)

Troubleshooting Flow Chart for Controller (Sheet 5 of 5)

Troubleshooting Flow Chart for Receiver (Sheet 1 of 3)

Section 6 UHF (403–527 MHZ) INFORMATION

Allocation of Schematics and Circuit Boards

Details schematics and PCB layouts for UHF circuits.

Controller Circuits

Details schematics for UHF circuits and related controller circuits.

Section 7 VHF (136–174 MHZ) INFORMATION

Allocation of Schematics and Circuit Boards

Details schematics and PCB layouts for VHF circuits.

Controller Circuits

Details schematics for VHF circuits and related controller circuits.

Section 8 800/900 MHZ (800–900 MHZ) INFORMATION

Allocation of Schematics and Circuit Boards

Details schematics and PCB layouts for 800/900 MHz circuits.

Controller Circuits

Details schematics for 800/900 MHz circuits and related controller circuits.

Section 9 INTERFACE, KEYPAD & GOB BOARD INFORMATION

Allocation of Schematics and Circuit Boards

Details schematics and PCB layouts for Interface, Keypad, and GOB boards.

Related product manuals