Mp3 amt dead - uses sinowealth chip

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[IMG]file:///C:/DOCUME%7E1/Alex/CONFIG%7E1/Temp/moz-screenshot.png[/IMG]
Hi,

I have a MP3 Player just like the pic down.

Then it stopped playing and the computer does recognize it anymore.

I had to open it.
Found that:

Control Chip Sinowealth SH86273P
Memory cip: SAMSUNG K9GAG08U0D
There´s another smaller chip. I think it is for the FM radio.

I tried the short cirtuing method for memory chip and it did not work.

Does anybody know how to put this working back?

I have the origunal firmware, cos the installer made a backup file when I plugged the MP3 player first time.

I serached several forums and gathered several firmware programs and versions, but for they to work it´s necessary the pc recognizes the player.

Does anybody know this chip works as ADFU device ?

Thanks.