Sennheiser HMEC 26 - Assembly 7001; General 7001; Assembly of the Headset

SENNHEISER ELECTRONIC GMBH & CO. KG
COMPONENT MAINTENANCE MANUAL
HMEC 26-SERIES
Page 7001
May 25/11
23-41-48
ASSEMBLY
1. General
WARNING: OBEY ALL SAFETY INSTRUCTIONS WHEN YOU USE SOLDERING IRONS. FLUX FUMES CAN IRRITATE
YOUR EYES. DO NOT BREATHE THE FUMES. USE EXTRACTION DEVICES.
CAUTION:
FOR ALL SOLDERING PROCEDURES, ONLY USE ROHS COMPLIANT LEAD-FREE TIN-SOLDER TO
PREVENT EMBRITTLING OF SOLDER JOINTS. MAKE SURE THAT THE SOLDERING TEMPERATURE OF
THE SOLDERING IRON OBEYS THE SPECIFIED MELTING RANGE. ALSO MAKE SURE THAT THE
SOLDERING IRON IS POTENTIAL-FREE (PROTECTIVE GROUNDING OR LOW-TENSION SUPPLY).
PROTECTIVE VARNISHING AFTER SOLDERING IS ONLY NECESSARY FOR UNITS THAT HAVE CONTACT
WITH MOISTURE OR CONDENSATION. EXAMPLES ARE THE MICROPHONE AND OTHER RECORDING
EQUIPMENT. YOU MUST USE APPROVED SOLDERING PRACTICES TO AVOID OVERHEATING OF THE
SOLDERING PADS, THE COMPONENTS AND DAMAGE TO THE PCB.
2. Assembly of the Headset
A. Assembly of the split headband (Ref. IPL Fig. 18 and Fig. below)
NOTE:
BEFORE YOU ASSEMBLE THE FOLLOWING HEADBAND PARTS, CHECK THE HEADBAND CABLE FOR
DAMAGES. IF THE HEADBAND CABLE IS DAMAGED, REMOVE THE COMPLETE HEADBAND
(REF. IPL FIG. 1).
(1) Assembly of the end piece of the headband (010)
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.
- USE THE END PIECE WITH THE ROUND STOPPER FOR THE MICROPHONE SIDE ONLY.
End piece
microphone side
End piece
not microphone side
Stopper
oval
Stopper
round
End piece holder
Feb 10/10
Assembly