EP450
HKLN4215A
Foreword
Product Safety and RF Exposure Compliance
Computer Software Copyrights
Document Copyrights
Table of Contents
Display Model Disassembly and Re-assembly
Troubleshooting Tables
Appendix a Accessories
List of Figures
13. Microphone and Speaker Wires Re-assembly
Related Publications
List of Tables
Radio Model Information
Model Charts and Test Specifications
Model Description
Model Chart for VHF 146-174 MHz EP450, VHF, 146-174 MHz
General
VHF Test Specifications
Transmitter
Receiver
Model Chart for UHF 403-440 MHz EP450, UHF, 403-440 MHz
Model Chart for UHF 438-470 MHz EP450, UHF, 438-470 MHz
Model Chart for UHF 465-495 MHz EP450, UHF, 465-495 MHz
LAH65SDH9AA4N
UHF Test Specifications
MIL-STD
MIL Standards
Theory Of Operation
Introduction
Major Assemblies
If IC
Test Equipment, Service Aids, and Service Tools
Motorola Part No Description Characteristics Application
Test Equipment
Motorola Part Description Application
Service Aids
Test Equipment, Service Aids, and Service Tools Service Aids
5mm
Programming/Test Cable
Power-Up Self Test
Performance Checks
General
Service Monitor Test Set Power Supply
RF Test Mode
No. of BKC
No. Description Function Beeps
VHF R2 UHF R1 UHF R2 UHF R3
Test Name Communications Analyzer Radio Test Set Comments
Test Mode
Performance Checks RF Test Mode
CPS Programming Setup
Radio Alignment Procedures
Radio Tuning Setup
Radio Tuning Setup
Initial Test Equipment Control Settings
Transmitter Alignment Options
Reference Oscillator Warp
Under Tx Align menu, select Reference Oscillator Warp Figure
Modulation Balance Attenuation
Transmit Power Window High Power
Transmit Power Tuning
To Perform Transmit Low Power Tuning, do the following
To Perform Transmit High Power Tuning, do the following
When using test box RLN4460
VCO Attenuation
VCO Attenuation 25 kHz
VCO Attenuation 20 kHz
VCO Attenuation 12.5 kHz
Under the Tx Align menu, select VCO Attenuation 12.5 kHz
Under the Tx Align menu, select VCO Attenuation 20 kHz
Under Tx Align, select Dtmf Deviation Figure
Dtmf Deviation Tuning
Receiver Tuning
MDC-1200 Deviation Tuning
Under the Tx Align, select MDC-1200 Signaling Figure
Perform the rated volume tuning procedure as follows
Rated Volume Tuning
Manual Squelch Tuning
Squelch Tuning
Auto Tune
Rssi System Level Tuning
Under the Rx Align menu, select Rssi Display Tuning
Rssi Display Tuning
Utilities
Radio-to-Radio Cloning
12. Side Button Locations
Procedure
Radio Alignment Procedures Radio-to-Radio Cloning
Preventive Maintenance
Display Model Disassembly and Re-assembly
Cleaning Procedures
Cleaning External Plastic Surfaces
Safe Handling of Cmos and Ldmos Devices
Cleaning Internal Circuit Boards and Components
Radio Disassembly Detailed
Front Cover From Chassis Disassembly
Disassembling and Re-assembling the Radio General
Antenna and Knob Removal
Keyboard Flex Connection
Speaker and Microphone Disassembly
Dust Cover Disassembly
Keyboard Removal
PTT Disassembly
Audio jack shroud can be removed from the main board
Chassis Disassembly
Radio Re-assembly Detailed
Dust Cover Re-assembly
Microphone and Speaker Re-assembly
12. Microphone Re-assembly
14. Keypad Re-assembly
Keypad and LCD/Keyboard Re-assembly
Chassis Assembly/Re-assembly
Keyboard Retainer Re-assembly
17. Main Board onto Chassis Re-assembly
Chassis and Front Cover Re-assembly
18. Microphone and Speaker Wires Re-assembly
20. Fastening the Chassis
PTT Re-assembly
1 EP450 Display Exploded View and Parts List
Mechanical View and Parts List
Motorola
Motorola Part Description Number
December 3
Introduction
Non-Display Model Disassembly and Re-assembly
Safe Handling of Cmos and Ldmos Devices
Disassembling and Re-assembling the Radio General
Antenna and Knob Removal
Speaker Connector Shroud Microphone
Speaker and Microphone Disassembly
Removal of Main Board from Chassis
Chassis Disassembly
Dust Cap Re-assembly
11. Speaker Re-assembly
12. Installation of Main Board onto Chassis
13. Microphone and Speaker Wires Re-assembly
15. PTT Re-assembly
16. EP450 Non-Display Radio Exploded View
1 EP450 Non-Display Exploded View and Parts List
14Mechanical View and Parts List
Power-Up Error Codes
Troubleshooting Tables
Operational Error Codes
Error Code Possible Causes Corrective Action
Troubleshooting Table for Receiver
Troubleshooting Table for Transmitter
Troubleshooting Tables Troubleshooting Table for Transmitter
Carrying Accessories
Appendix a Accessories
Antennas
Chargers
Headsets
Audio Accessories
Manuals
Remote Speaker Microphones
Accessories
Warranty
Appendix B Warranty, Service Support, and Replacement Parts
Replacement Parts Ordering
Scope of Manual
Mail Orders
Motorola Online
Telephone Orders
Fax Orders
Motorola de Colombia Service Center
Motorola de Mexico Service Center
Technical Support
Appendix B-4
Term Definition
Glossary of Terms
Reset