Table of Contents
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Short description
This headset features dynamic, open headphones. The noise-compensating
microphone ensures excellent speech transmission even in noisy
environments. Designed for air traffic control, intercom systems and other
communication purposes.
Features
•
™
ActiveGard
(not HME 46-31 and HMD 46-31)
•
"Flip-away" earcup
•
Automatic two-piece headband
•
Flexible microphone boom can be worn on either left or right-hand side
•
Single-sided cable
•
Comfortable wearing earpads
•
PTT button integrated in the cable (HME/HMD 46-3PTT-x only)
Service manual
Revision
02/2008
Sennheiser electronic GmbH & Co. KG • 30900 Wedemark, Germany
Phone: +49 (5130) 600 0 • Fax: +49 (5130) 600 300
Air Traffic Control
HME 46-3
HMD 46-3
Product variants
500857
HME 46-3
500467
HME 46-3-6
500874
HME 46-3PTT-M
500468
HME 46-3PTT-6
500469
HME 46-3PTT-L
502172
HME 46-3PTT-LA
500851
HME 46-ATC
502484
HME 46-31
500849
HMD 46-3
500466
HMD 46-3-6
500873
HMD 46-3PTT-M
502483
HMD 46-31
502594
HMD 46-3(5)
Cable variants
500836
-6
502360
-7
502365
-L
500844
-PTT-6
502418
-PTT-6-1
500845
-PTT-L
502187
-PTT-LA
500930
-D-3PTT-M
500931
-E-3PTT-M
SA 070401
1/25
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Table of Contents
Related Manuals for Sennheiser HMD 46-31
Summarization of Contents
Technical Data
Headphones
Describes the acoustic and electrical characteristics of the headset speakers.
Microphone of HMD 46-3
Details the specifications for the HMD 46-3 microphone.
Microphone of HMD 46-3(5)
Specifies the technical data for the HMD 46-3(5) microphone.
Microphone of HME 46-3 (with preamplifier)
Lists technical data for the HME 46-3 microphone with a preamplifier.
General Data
Covers environmental and weight specifications for the headset.
Disassembly
Removal of the Cable
Instructions for detaching the headset cable from the device.
Disassembly of the Cap
Steps for taking apart the headset cap.
Disassembly of the Cable
Procedures for disassembling the headset cable.
Disassembly of the Microphone Arm
Guide on how to remove the microphone arm.
Assembly
Assembly of the Cap
Steps for reassembling the headset cap.
Assembly of the -PTT-x Cable
Instructions for assembling the headset cable with PTT button.
Assembly of the Cable to the Headset
Procedure for connecting the cable to the headset.
Assembly of the Microphone Arm
Steps for attaching the microphone arm to the headset.
Testing and Fault Isolation
Tools and Test Equipment
Lists necessary tools and equipment for testing the headset.
Operational Test of the Audio System
Describes procedures for testing the headset's audio functionality.
Wiring Diagrams
Wiring Diagram for Cable -E-3PTT-M, -D-3PTT-M
Provides wiring details for specific -E/-D-3PTT-M cables.
Wiring Diagram for Cable -PTT-L
Shows the wiring configuration for the -PTT-L cable.
Wiring Diagram for Cable -PTT-6
Details the wiring for the -PTT-6 cable variant.
Wiring Diagram for Cable -PTT-LA
Presents the wiring diagram for the -PTT-LA cable.
Printed Circuit Boards
Illustrates the layout and connections of the headset's PCBs.
Block Diagram
Shows the overall functional block diagram of the headset system.
Exploded Views with Spare Part Lists
Exploded View HME 46-3 / HMD 46-3
Visual breakdown of the headset components for HME/HMD 46-3.
Spare Part List for HME 46
Lists replacement parts for the HME 46 model.
Spare Part List for HMD 46
Lists replacement parts for the HMD 46 model.
Exploded View of the System Module
Visual breakdown of the headset's system module.
Spare Part List of the System Module Not Microphone Side (525764)
Lists spare parts for the non-microphone side of the system module.
Spare Part List of the System Module Microphone Side (525763)
Lists spare parts for the microphone side of the system module.
Exploded View of the Cap, Microphone Side
Visual breakdown of the headset cap on the microphone side.
Spare Part List of the Cap, Microphone Side
Lists spare parts for the microphone side cap.
Exploded View Cable -PTT-x
Visual breakdown of the cable with PTT button.
Spare Part List for Cable -PTT-x
Lists spare parts for the cable with PTT button.
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