Main
Page
Foreword
Product Safety and RF Exposure Compliance
Computer Software Copyrights
Document Copyrights
!
Table of Contents
Chapter 6 Display Model Disassembly and Re-assembly ................ 6-1
Chapter 7 Non-Display Model Disassembly and Re-assembly ........ 7-1
Chapter 8 Troubleshooting Tables ..................................................... 8-1
List of Figures
Page
List of Tables
Related Publications
Chapter 1 Model Charts and Test Specifications
1.1 Radio Model Information
1.2 Model Chart for VHF 146-174 MHz EP450, VHF, 146-174 MHz
1.3 VHF Test Specifications
General Transmitter
Receiver
1.4 Model Chart for UHF 403-440 MHz EP450, UHF, 403-440 MHz
1.5 Model Chart for UHF 438-470 MHz EP450, UHF, 438-470 MHz
1.6 Model Chart for UHF 465-495 MHz EP450, UHF, 465-495 MHz
1.7 UHF Test Specifications
General Transmitter
Receiver
December 3, 2003 HKLN4215A
1-8 Model Charts and Test Specifications: MIL Standards
1.8 MIL Standards
Chapter 2 Theory Of Operation
2.1 Introduction
2.2 Major Assemblies
2.2.1 Receiver
2.2.2 Transmitter
Frac N Mod
IF IC
Chapter 3 Test Equipment, Service Aids, and Service Tools
3.1 Test Equipment
3.2 Service Aids
Page
December 3, 2003 HKLN4215A
3-4 Test Equipment, Service Aids, and Service Tools: Service Aids
Programming/Test Cable
Figure 3-1. Programming/Test Cable
Figure 3-2. Wiring of the Connectors
Chapter 4 Performance Checks
4.1 General
4.2 Power-Up Self Test
4.3 RF Test Mode
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4.0 kHz but 5.0 kHz
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Chapter 5 Radio Alignment Procedures
5.1 Introduction
5.2 CPS Programming Setup
5.3 Radio Tuning Setup
5.3.1 Initial Test Equipment Control Settings
5.4 Transmitter Alignment Options
5.4.1 Reference Oscillator Warp
5.4.2 Modulation Balance Attenuation
5.4.3 Transmit Power Tuning
5.4.3.1 To Perform Transmit High Power Tuning, do the following:
5.4.3.2 To Perform Transmit Low Power Tuning, do the following: -
5.4.4 VCO Attenuation
5.4.4.1 VCO Attenuation 25 kHz
5.4.4.2 VCO Attenuation 12.5 kHz
5.4.4.3 VCO Attenuation 20 kHz
5.4.5 DTMF Deviation Tuning
5.4.6 MDC-1200 Deviation Tuning
5.5 Receiver Tuning
5.5.1 Rated Volume Tuning
5.5.2 Squelch Tuning
5.5.2.1 Manual Squelch Tuning
5.5.2.2 Auto Tune
5.5.3 RSSI System Level Tuning
5.5.4 RSSI Display Tuning
5.6 Utilities
5.6.1 Program Serial No.
5.7 Radio-to-Radio Cloning
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Chapter 6 Display Model Disassembly and Re-assembly
6.1 Introduction
6.2 Preventive Maintenance
6.2.1 Inspection
6.2.2 Cleaning Procedures
6.3 Safe Handling of CMOS and LDMOS Devices
6.4 Disassembling and Re-assembling the Radio General
6.4.1 Radio Disassembly Detailed 6.4.1.1 Front Cover From Chassis Disassembly
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6.4.1.2 Dust Cover Disassembly
6.4.1.3 Speaker and Microphone Disassembly
6.4.1.4 Keyboard Removal
6.4.1.5 PTT Disassembly
6.4.1.6 Chassis Disassembly
6.4.2 Radio Re-assembly - Detailed 6.4.2.1 Dust Cover Re-assembly
6.4.2.2 Microphone and Speaker Re-assembly
Page
6.4.2.3 Keypad and LCD/Keyboard Re-assembly
6.4.2.4 Keyboard Retainer Re-assembly
6.4.2.5 Chassis Assembly/Re-assembly
6.4.2.6 Chassis and Front Cover Re-assembly
Page
6.4.2.7 PTT Re-assembly
6.5 Mechanical View and Parts List
6.5.1 EP450 Display Exploded View and Parts List
Figure 6-22. EP450 Display Radio Exploded View
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Chapter 7 Non-Display Model Disassembly and Re-assembly
7.1 Introduction
7.2 Preventive Maintenance
7.2.1 Inspection
7.2.2 Cleaning Procedures
7.3 Safe Handling of CMOS and LDMOS Devices
7.4 Disassembling and Re-assembling the Radio General
7.4.1 Radio Disassembly Detailed 7.4.1.1 Front Cover From Chassis Disassembly
Page
7.4.1.2 Dust Cover Disassembly
7.4.1.3 Speaker and Microphone Disassembly
7.4.1.4 PTT Disassembly
7.4.2 Chassis Disassembly
7.4.3 Radio Re-assembly - Detailed 7.4.3.1 Dust Cover Re-assembly
7.4.3.2 Microphone and Speaker Re-assembly
7.4.3.3 Chassis Assembly/Re-assembly
7.4.3.4 Chassis and Front Cover Re-assembly
c.
7.4.3.5 PTT Re-assembly
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7.5 Mechanical View and Parts List
7.5.1 EP450 Non-Display Exploded View and Parts List
Figure 7-16. EP450 Non-Display Radio Exploded View
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Chapter 8 Troubleshooting Tables
8.1 Power-Up Error Codes
8.2 Operational Error Codes
8.3 Troubleshooting Table for Receiver
8.4 Troubleshooting Table for Transmitter
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Appendix A Accessories
Antennas
Carrying Accessories
Chargers
Batteries
Audio Accessories
Headsets
Remote Speaker Microphones
Manuals
Page
Appendix B Warranty, Service Support, and Replacement Parts
1.1 Scope of Manual
1.2 Warranty
1.2.1 Warranty Period and Return Instructions
1.2.2 After Warranty Period
1.3.2 Motorola Online
1.3.3 Mail Orders
1.3.4 Telephone Orders
1.3.5 Fax Orders
1.3.6 Parts Identification
1.4 Technical Support
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Glossary of Terms