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Motorola EP450 service manual Audio Accessories, Headsets

Models: EP450

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A-2Accessories

Audio Accessories

HMN9752	Earpiece with Volume Control, 1-Wire (plastic earloop) (Beige)
HMN9727	Earpiece without Volume Control, 1-Wire (plastic earloop) (Beige)
RLN4894	Earpiece without Volume Control, 1-Wire (plastic earloop) (Black)
HMN9754	Earpiece with Microphone & PTT Combined, 2-Wire (Beige)
RLN4895	Earpiece with Microphone & PTT Combined, 2-Wire (Black)
RLN5198_P	Earpiece with Microphone & PTT Combined (Black) including Low Noise Kit,
	2-Wire Surveillance Kit w/Clear Comfortable Acoustic Tube
	(includes NTN8371)
BDN6720	Flexible Ear Receiver (RX only)
PMLN4443	Flexible Ear Receiver with Microphone & PTT Combined
HMN9036	Earbud with Microphone & PTT Combined, 2-Wire (Black)
PMLN4294	Earbud with Microphone & PTT Combined
PMLN4442	Earbud with Microphone & PTT Combined
HLN9132	Earbud Single Wire Receive Only (Black)
NTN8370	Extreme Noise Kit
5080384T72	Replacement Noise Attenuating Plug for NTN8370
NTN8371	Low Noise Kit
RLN4760	Small Custom Clear Earpiece, Right Ear
RLN4763	Small Custom Clear Earpiece, Left Ear
RLN4761	Medium Custom Clear Earpiece, Right Ear
RLN4764	Medium Custom Clear Earpiece, Left Ear
RLN4762	Large Custom Clear Earpiece, Right Ear
RLN4765	Large Custom Clear Earpiece, Left Ear
BDN6646	Standard 95 dB Ear Microphone with PTT Interface Module
BDN6706	Standard 95 dB Ear Microphone with VOX & PTT Interface Module
0180358B38	Ring PTT Switch for Ear Microphone System
0180300E83	Body PTT Switch for Ear Microphone System
RLN5500	Accessory Retainer
RLN5317	2-Wire Comfort Earpiece wMic & PTT (Beige)
RLN5318	2-Wire Comfort Earpiece w/Mic & PTT (Black)
TDN9327	Portable Radio Hanger
TDN9373	Portable Radio Hanger

Headsets

RLN5411	Ultra-Lite Breeze Behind the Head Headset
PMMN4001	Ultra-Lite Earset with Mic and PTT
HMN9013	Lightweight Headset w/o In-line PTT
RMN4016	Lightweight Headset with In-line PTT
RLN5238	Lightweight Headset with In-line PTT, NFL Style
HMN9021	Medium Weight Over the Head Dual Muff Headset
HMN9022	Medium Weight Behind the Head Dual Muff Headset

December 3, 2003

HKLN4215A

Image 83

Motorola EP450 service manual Audio Accessories, Headsets

Contents

EP450 HKLN4215A Document Copyrights Product Safety and RF Exposure ComplianceForeword Computer Software CopyrightsTable of Contents Display Model Disassembly and Re-assembly Troubleshooting Tables Appendix a AccessoriesList of Figures 13. Microphone and Speaker Wires Re-assembly Related Publications List of TablesRadio Model Information Model Charts and Test SpecificationsModel Description Model Chart for VHF 146-174 MHz EP450, VHF, 146-174 MHzReceiver VHF Test SpecificationsGeneral TransmitterModel 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 SpecificationsMIL-STD MIL StandardsMajor Assemblies Theory Of OperationIntroduction If IC Test Equipment Test Equipment, Service Aids, and Service ToolsMotorola Part No Description Characteristics Application Motorola Part Description Application Service AidsTest Equipment, Service Aids, and Service Tools Service Aids 5mm Programming/Test CableGeneral Power-Up Self TestPerformance Checks Service Monitor Test Set Power Supply RF Test ModeNo. of BKC No. Description Function BeepsVHF R2 UHF R1 UHF R2 UHF R3 Test Name Communications Analyzer Radio Test Set Comments Test ModePerformance Checks RF Test Mode CPS Programming Setup Radio Alignment ProceduresRadio Tuning Setup Radio Tuning SetupReference Oscillator Warp Initial Test Equipment Control SettingsTransmitter Alignment Options Under Tx Align menu, select Reference Oscillator Warp Figure Modulation Balance AttenuationTransmit Power Window High Power Transmit Power TuningTo Perform Transmit Low Power Tuning, do the following To Perform Transmit High Power Tuning, do the followingVCO Attenuation 25 kHz When using test box RLN4460VCO Attenuation Under the Tx Align menu, select VCO Attenuation 20 kHz VCO Attenuation 12.5 kHzVCO Attenuation 20 kHz Under the Tx Align menu, select VCO Attenuation 12.5 kHzUnder Tx Align, select Dtmf Deviation Figure Dtmf Deviation TuningUnder the Tx Align, select MDC-1200 Signaling Figure Receiver TuningMDC-1200 Deviation Tuning Perform the rated volume tuning procedure as follows Rated Volume TuningManual Squelch Tuning Squelch TuningAuto Tune Rssi System Level TuningRadio-to-Radio Cloning Rssi Display TuningUnder the Rx Align menu, select Rssi Display Tuning Utilities12. Side Button Locations ProcedureRadio Alignment Procedures Radio-to-Radio Cloning Cleaning External Plastic Surfaces Display Model Disassembly and Re-assemblyPreventive Maintenance Cleaning ProceduresSafe Handling of Cmos and Ldmos Devices Cleaning Internal Circuit Boards and ComponentsDisassembling and Re-assembling the Radio General Radio Disassembly DetailedFront Cover From Chassis Disassembly Antenna and Knob Removal Keyboard Flex Connection Speaker and Microphone Disassembly Dust Cover DisassemblyKeyboard Removal PTT DisassemblyAudio jack shroud can be removed from the main board Chassis DisassemblyMicrophone and Speaker Re-assembly Radio Re-assembly DetailedDust Cover Re-assembly 12. Microphone Re-assembly 14. Keypad Re-assembly Keypad and LCD/Keyboard Re-assemblyChassis Assembly/Re-assembly Keyboard Retainer Re-assembly17. Main Board onto Chassis Re-assembly Chassis and Front Cover Re-assembly18. Microphone and Speaker Wires Re-assembly 20. Fastening the Chassis PTT Re-assembly1 EP450 Display Exploded View and Parts List Mechanical View and Parts ListMotorola Motorola Part Description NumberDecember 3 Introduction Non-Display Model Disassembly and Re-assemblySafe 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 DisassemblyDust 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 List14Mechanical View and Parts List Error Code Possible Causes Corrective Action Troubleshooting TablesPower-Up Error Codes Operational Error CodesTroubleshooting Table for Receiver Troubleshooting Table for Transmitter Troubleshooting Tables Troubleshooting Table for Transmitter Chargers Appendix a AccessoriesCarrying Accessories AntennasHeadsets Audio AccessoriesManuals Remote Speaker MicrophonesAccessories Scope of Manual Appendix B Warranty, Service Support, and Replacement PartsWarranty Replacement Parts OrderingFax Orders Motorola OnlineMail Orders Telephone OrdersTechnical Support Motorola de Colombia Service CenterMotorola de Mexico Service Center Appendix B-4 Term Definition Glossary of TermsReset