Same problem with my HD 565 Ovation.   So I simple have soldered de connectors.   Download photos from the following link:   Link de transferência  http://we.tl/cbv9vDpXmg   Good luck!

Hi,   I got a Sennheiser HD 565 Ovation, and have the same problem with cable connection to the headphone. Correcting this problem is quite simple, without having to dismantle, and probably, destroy the headphone connector itself: just spray the cable connector (NEVER the connector inside...