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Motorola EP450 service manual Remote Speaker Microphones, Manuals

Models: EP450

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Accessories	A-3

BDN6647	Medium Weight Single Speaker Headset
BDN6648	Heavy Duty Dual Muff Headset with Noise Canceling Microphone
5080371E66	Replacement Ear Pad for BDN6647
RMN5015	Heavy Duty Dual Muff Racing Headset
	(requires RKN4090 Headset Adapter Cable)
REX4648	Ear Pad and Windscreen Kit
RKN4090	Adapter Cable for use with RMN5015 Racing Headset
RMN4051	2-Way Hard Hat Mount, Black, Noise Reduction Rating (22db)
	(requires RKN4094 Adapter Cable)
RMN4055	Receive-Only Headband Style Headset with 3.5mm Right Angle Plug
HLN9133	VOX Adapter Kit (for use with Headsets only)
RKN4094	In-Line PTT Adapter for use with headsets RMN4051, RMN4052, and
	RMN4053 only)
PMLN4445	Ultra-Light Headset with Boom Microphone
Remote Speaker Microphones
HMN9030	Remote Speaker Microphone
RLN4904	Mic Jacket for HMN9030 Remote Speaker Microphone
HKN9094	Replacement Cord for HMN9030
PMMN4008	Remote Speaker Microphone
Manuals
HKLN4212	E-Series User Guide
HKLN4215	E-Series Basic Service Manual
HKLN4216	E-Series Detailed Service Manual

HKLN4215A

December 3, 2003

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Motorola EP450 service manual Remote Speaker Microphones, Manuals

Contents

EP450 HKLN4215A Product Safety and RF Exposure Compliance ForewordComputer Software Copyrights Document CopyrightsTable of Contents Display Model Disassembly and Re-assembly Appendix a Accessories Troubleshooting TablesList of Figures 13. Microphone and Speaker Wires Re-assembly List of Tables Related PublicationsModel Charts and Test Specifications Radio Model InformationModel Chart for VHF 146-174 MHz EP450, VHF, 146-174 MHz Model DescriptionVHF Test Specifications GeneralTransmitter ReceiverModel 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 UHF Test Specifications LAH65SDH9AA4NMIL Standards MIL-STDTheory Of Operation IntroductionMajor Assemblies If IC Test Equipment, Service Aids, and Service Tools Motorola Part No Description Characteristics ApplicationTest Equipment Service Aids Motorola Part Description ApplicationTest Equipment, Service Aids, and Service Tools Service Aids Programming/Test Cable 5mmPower-Up Self Test Performance ChecksGeneral RF Test Mode Service Monitor Test Set Power SupplyNo. Description Function Beeps No. of BKCVHF R2 UHF R1 UHF R2 UHF R3 Test Mode Test Name Communications Analyzer Radio Test Set CommentsPerformance Checks RF Test Mode Radio Alignment Procedures CPS Programming SetupRadio Tuning Setup Radio Tuning SetupInitial Test Equipment Control Settings Transmitter Alignment OptionsReference Oscillator Warp Modulation Balance Attenuation Under Tx Align menu, select Reference Oscillator Warp FigureTransmit Power Tuning Transmit Power Window High PowerTo Perform Transmit High Power Tuning, do the following To Perform Transmit Low Power Tuning, do the followingWhen using test box RLN4460 VCO AttenuationVCO Attenuation 25 kHz VCO Attenuation 12.5 kHz VCO Attenuation 20 kHzUnder the Tx Align menu, select VCO Attenuation 12.5 kHz Under the Tx Align menu, select VCO Attenuation 20 kHzDtmf Deviation Tuning Under Tx Align, select Dtmf Deviation FigureReceiver Tuning MDC-1200 Deviation TuningUnder the Tx Align, select MDC-1200 Signaling Figure Rated Volume Tuning Perform the rated volume tuning procedure as followsSquelch Tuning Manual Squelch TuningRssi System Level Tuning Auto TuneRssi Display Tuning Under the Rx Align menu, select Rssi Display TuningUtilities Radio-to-Radio CloningProcedure 12. Side Button LocationsRadio Alignment Procedures Radio-to-Radio Cloning Display Model Disassembly and Re-assembly Preventive MaintenanceCleaning Procedures Cleaning External Plastic SurfacesCleaning Internal Circuit Boards and Components Safe Handling of Cmos and Ldmos DevicesRadio Disassembly Detailed Front Cover From Chassis DisassemblyDisassembling and Re-assembling the Radio General Antenna and Knob Removal Keyboard Flex Connection Dust Cover Disassembly Speaker and Microphone DisassemblyPTT Disassembly Keyboard RemovalChassis Disassembly Audio jack shroud can be removed from the main boardRadio Re-assembly Detailed Dust Cover Re-assemblyMicrophone and Speaker Re-assembly 12. Microphone Re-assembly Keypad and LCD/Keyboard Re-assembly 14. Keypad Re-assemblyKeyboard Retainer Re-assembly Chassis Assembly/Re-assemblyChassis and Front Cover Re-assembly 17. Main Board onto Chassis Re-assembly18. Microphone and Speaker Wires Re-assembly PTT Re-assembly 20. Fastening the ChassisMechanical View and Parts List 1 EP450 Display Exploded View and Parts ListMotorola Part Description Number MotorolaDecember 3 Non-Display Model Disassembly and Re-assembly IntroductionSafe 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 Chassis Disassembly Removal of Main Board from ChassisDust 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 1 EP450 Non-Display Exploded View and Parts List 16. EP450 Non-Display Radio Exploded View14Mechanical View and Parts List Troubleshooting Tables Power-Up Error CodesOperational Error Codes Error Code Possible Causes Corrective ActionTroubleshooting Table for Receiver Troubleshooting Table for Transmitter Troubleshooting Tables Troubleshooting Table for Transmitter Appendix a Accessories Carrying AccessoriesAntennas ChargersAudio Accessories HeadsetsRemote Speaker Microphones ManualsAccessories Appendix B Warranty, Service Support, and Replacement Parts WarrantyReplacement Parts Ordering Scope of ManualMotorola Online Mail OrdersTelephone Orders Fax OrdersMotorola de Colombia Service Center Motorola de Mexico Service CenterTechnical Support Appendix B-4 Glossary of Terms Term DefinitionReset