Table of Contents
Advertisement
Quick Links
SA 100810
Revision 08/2011
Headset variants
HME 26-600
HME 26-600-7
HME 26-100
HME 26-100-7
HME 26-100(4)
HME 26-600(4)
Short description
These headsets have been designed for broadcast use, e.g. for outdoor broadcast and TV
applications.
Features
•
Dynamic, closed headphones with supra-aural ear coupling
•
Flip-away headphone allows single-sided listening (not for the HME/HMD 26-600S)
•
Several microphone variants
•
Flexible microphone arm, can be worn on either left or right-hand side
•
Single-sided cable routing
Sennheiser electronic GmbH & Co. KG
Am Labor1, 30900 Wedemark, Germany
www.sennheiser.com
Service manual
HMD/HMDC/HME 26
Broadcast
HMD 26-600
HME 26-600S
HMD 26-600-7
HMD 26-100
HMD 26-100-7
HMD 26-600-X3K1
HMDC 26-600
HMD 26-600S
Cable variants
-6, -H-6
-7, -B-7
-X4F, -H-X4F
-X3K1, -H-X3K1
-X3K1-P48
-X5
1/23
Advertisement
Table of Contents
Related Manuals for Sennheiser HME 26-600
Summary of Contents for Sennheiser HME 26-600
- Page 1 Flip-away headphone allows single-sided listening (not for the HME/HMD 26-600S) • Several microphone variants • Flexible microphone arm, can be worn on either left or right-hand side • Single-sided cable routing Sennheiser electronic GmbH & Co. KG Am Labor1, 30900 Wedemark, Germany 1/23 www.sennheiser.com...
- Page 2 The following instructions for overhaul and testing must be followed. In case of unusual problems please contact your Sennheiser service center support. CAUTION During SMD component soldering you may destroy them by using a standard soldering iron for several seconds.
-
Page 3: Table Of Contents
Contents 1 Product overview....................4 Headset........................4 Operating control-B-7 (when using the HMDC 26) ........4 2 Technical data ....................5 Technical data HMD 26..................5 Technical data HMDC 26..................6 Technical data HME 26 ..................7 3 Exploded view ....................8 Exploded view of the complete unit ..............8 Exploded view of the headband module ............ -
Page 4: Product Overview
Product overview Headset ³ Split headband · Padding for the split headband (available as accessory) » Cap microphone side ¿ Microphone arm support of the cap (not visible) ´ Connecting cable with headset connector (see “Cable and connector assignment”, page 21) ²... -
Page 5: Technical Data
Technical data Technical data HMD 26 2.1.1 Headphones Transducer principle ___________________dynamic, closed Ear coupling _________________________supra-aural Frequency response____________________20 Hz to 18 kHz Impedance HMD 26-600 ____________________300 Ω mono/600 Ω stereo HMD 26-600S ___________________600 Ω mono HMD 26-100 ____________________50 Ω mono/100 Ω stereo Characteristic at 1 kHz, 1 V HMD 26-600/-600S _______________107 dB SPL HMD 26-100... -
Page 6: Technical Data Hmdc 26
Technical data HMDC 26 2.2.1 Headphones Transducer principle ___________________ dynamic, closed Ear coupling _________________________ supra-aural Frequency response ___________________ 20 Hz to 18 kHz Impedance __________________________ 600 Ω mono/1200 Ω stereo Characteristic at 1 kHz, 1 mW __________________ 108 dB SPL at 1 kHz, 1 V ____________________ 110 dB SPL Max. -
Page 7: Technical Data Hme 26
Transducer principle ___________________dynamic, closed Ear coupling _________________________supra-aural Frequency response____________________20 Hz to 18 kHz Impedance HME 26-600/-600(4) _____________300 Ω mono/600 Ω stereo HME 26-100/-100(4) _____________50 Ω mono/100 Ω stereo HME 26-600S____________________600 Ω mono Characteristic at 1 kHz, 1 V HME 26-600/-600S/-600(4) ________107 dB SPL... -
Page 8: Exploded View
Exploded view Exploded view of the complete unit See also: See “Product overview”, page 4. Non microphone side 050* Single-sided version 060* * The PCB is shown as example. HMD/HMDC Item Designation Headband (headband paddings are not displayed), see page 9 Label Clip, non microphone side Cap, non microphone side (not HME/HMD 26-600S) -
Page 9: Exploded View Of The Headband Module
Exploded view of the headband module Note: Snap the latch with the flange into the notch of the end piece for cable routing Item Designation End pieces of headband right and left for HMS 26/46 and 2 latches 2 yokes for HMS 26 and 2 latches for left and right side Latch for headband Padding HMS 26/46... -
Page 10: Exploded View Cable -B-7 (For Hmdc 26)
Exploded view cable -B-7 (for HMDC 26) insulating foil 040* insulating foil * Platine ist beispielhaft dargestellt PCB is shown as example Item Designation Cover Battery housing Knob 10.5x3.7 PCB mainboard Optical transmitter Screw 2x8 Torx Cable 1.3 m Cable 1.075 m Insert round 5.2x2.7 Insert round 6.3x3.8 Insert black... -
Page 11: Test And Alignment Instructions
Test and alignment instructions Measuring and test equipment Note: Make sure that your measurement and test equipment is regularly calibrated. Measurement equipment Specification Recommendation Power supply unit 5 A, 2 x 0 to 30 V HAMEG HMP 2020 AF signal generator Range from 4 Hz to 100 kHz;... -
Page 12: Disassembly/Assembly
Disassembly/Assembly See also: See “Exploded view”, page 8. Disassembly 5.1.1 Removing the earpads For reasons of hygiene, the earpads should be replaced from time to time. Grasp the edge of the earpad and pull sharply. 5.1.2 Removing the cap/defective acoustic unit Note for headsets up to serial number <00200100: The acoustic units (050/060) have been redesigned. - Page 13 5.1.4 Disassembling the operating control (for cable -B-7) 1. Remove the 4 Torx screws (060). 2. Remove the cover (010) 3. Take out the knob (030) and the optical waveguide (050), if needed. 4. Take out the inserts (090, 100, 110). 5.
-
Page 14: Assembly
Assembly 5.2.1 Assembling the acoustic units and the caps Note for Headsets up to serial number <00200100: The acoustic units (050/060) have been redesigned. For acoustical reasons always replace both acoustic units and both earpads (100). Note for headsets from serial number 00200100: Replace the defective acoustic unit only (050/060). - Page 15 5.2.5 Assembly of the split headband Note: Check the headband cable for damages. If the headband cable is damaged, remove the complete headband. 5.2.6 Assembly of the end piece of the headband Note: The left and the right end piece (010) are different parts: - Use the end piece with the oval stopper for the not microphone side only.
- Page 16 1. Put the end piece of the headband (010) into the end piece holder (see figure below). 2. Completely move down the end piece of the headband (010) to the round/oval end piece stopper. Caution: Do not install the headband cable with a sharpen screwdriver. You can damage the headband cable.
- Page 17 5.2.7 Assembly of the yoke 1. Completely move down the end piece of the headband (010) to the round/oval end piece stopper. Caution: Do not install the headband cable with a sharpen screwdriver. You can damage the headband cable. Use only rounded/stub tools. 1.
- Page 18 5.2.8 Assembly of the latch for headband Note: After the removal the latch can be damaged or get lost. Recommendation: Do not install this removed latch again. Use new headband latches. 1. Press the latch for headband (030) completely into the notch of the headband. Note: Ensure the correct direction/postion of the notch.
-
Page 19: Functional Test
Functional test See also: - See “Cable and connector assignment”, page 21. - See “PCB of the acoustic units of the HMDC 26”, page 22. - See “PCB of the acoustic units of the HMD/HME 26”, page 23. Functional test of the headphones STEP RESULT Via AF generator supply 1 kHz/100 mV eff ±... -
Page 20: Functional Test Activegard™ (Hmd/Hme 26)
Functional test ActiveGard (HMD/HME 26) ™ STEP RESULT Set the “ActiveGard“ switch to “OFF“, if needed. Supply the AF signal (1 kHz/2 Veff) via AF generator (1 kHz/2 Veff) to the related pins of the cable´s connector: Audio Hi/Audio Lo left and Audio Hi/Audio Lo right. Adjust the AF generator: The 2 V amplitude is available at the headset´s input connectors. -
Page 21: Circuit Diagrams
Circuit diagrams For this service manual the following circuit diagrams will be needed. Download the complete circuit diagrams of the cable variants from our service portal (if needed): • S_100615 -6 • S_100530 -H-6 • S_100616 -7 • S_100604 -B-7 (for HMDC 26) •... -
Page 22: Pcb Of The Acoustic Units Of The Hmdc 26
PCB of the acoustic units of the HMDC 26 HMD/HMDC/HME 26 Broadcast 08/2011 22/23... -
Page 23: Pcb Of The Acoustic Units Of The Hmd/Hme 26
PCB of the acoustic units of the HMD/HME 26 HMD/HMDC/HME 26 Broadcast 08/2011 23/23...