Crazy audio issue when using external speakers/earphones

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http://androidforums.com – Hi everyone I have a HTC Desire HD, and I've been happy with it until a week ago. Suddenly I got this crazy audio behavior - the symptoms are: When playing music using earphones, vocals are almost impossible to hear, but the music plays on normally FM radio seems to have no antenna reception (still using earphones) Speaking on phone using earphones results in scratchy/noisy communication When I e.g. unplug the earphones everything seems to work normally again (normal music, phone,... sessions) - I tried several earphones and external loudspeakers - same result. I also tried cleaning up the m (General)