Disassembly/Assembly
HD 280 PROASSY 160518 R01
Mar 2018
Sennheiser electronic GmbH & Co. KG
Am Labor 1, 30900 Wedemark, Germany
www.sennheiser.com
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Safety instructions
Unauthorized alterations and modifications are not permitted for safety and certification reasons. The
person who performs unauthorized modifications is liable for any resulting damage.
Comply with ESD regulations when working around components that are susceptible to electrostatic
discharge.
Modifications and repairs may only be performed by skilled personnel
(e.g. in accordance with VDE 1000 in Germany).
When repairing a device or replacing single components you have to use the original parts from the
device‘s current spare parts list. When other than the original parts are used the approval/ the
certification of the device becomes invalid!
Service and support
Special problems may be fixed by our Sennheiser service support center.
For this please use our Case Management System:
support@sennheiser.com
Sennheiser ServiceNet users can find additional solutions to any problems via the service support
database. To apply for ServiceNet access or if you have ServiceNet questions, please use this link:
https://www.se-servicenet.com/portal/contact.php?com=1&lan=2
Change log
Always check the safety and testing regulations that are currently valid for your country.
When performing work on the device, abide by the following regulations:
Repair-related (e.g. in accordance with VDE 0701 in Germany).
Device-related in accordance with IEC 62368.
Release Date Chapter/comment
ASSY 160518 May 2016 Basic issue
R01 Mar 21, 2018 Changed exploded view and spare part list.
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