background image

Disassembly/Assembly

HD 280 PRO

ASSY 160518 R01

Mar 2018

Sennheiser electronic GmbH & Co. KG 
Am Labor 1, 30900 Wedemark, Germany
www.sennheiser.com 

1/3

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:

[email protected]

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.

4

Summary of Contents for HD 280 PRO

Page 1: ...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 o...

Page 2: ...ide is displayed 010 Acoustic unit Cap 030 Notch Strain relief Lower Screw 18 Ncm 010 Item Designation 010 Padding set for HD 280 PRO 030 Connecting cable See also The spare parts list of this device will be continuously updated in our Sennheiser ServiceNet see page 3 see page 4 see page 4 ...

Page 3: ...verse order Observe the correct cable routing Ensure that the cable will not damaged by the screw dome of the cap Also ensure that the cable s kink protection and the connector PCB are completely even inserted When you put the cap on the acoustic unit a clicking noise is hearable Tighten the lower screw with a torque of 18 Ncm Red Speaker left Copper Speaker left Copper Speaker right Red Speaker r...

Page 4: ... 4 Replacing the headband padding 4 1 Removal 1 Remove the headband padding 010 as shown below 4 2 Assembly 2 While sitting spread the headband apart thus placing it over your thighs 3 The headband padding has a zip lock Put the new padding 010 around the headband by starting to fix it firmly from the centre or the end of the headband position 4 Ensure that the zip lock of the headband padding is ...

Reviews: