Great !!!!
I've succeded !
I wasn't hot for the glue method so I spent an hour with a curved safety-pin, and I even opened the player but it was impossible to reach the tip.
Eventually I put some glue on the jack of my earphone. I inserted it inside, trying to connect it with the broken part, and after a slow extraction it was done. First Try !!!
Thank you all once again.
Ps : my adaptor works fine !!!
