mega prob 7650 help!!!?

[leguepard]

my phone hang at boot whith the error code:

FAULT CODE 0001005B
EXCID FFFFFFFF
CODEADDR FFFFFFFF
DATAADDR FFFFFFFE
EXTRA FFFFFFFF
FAULT CATEGORY:PLAT
FAULT REASON:0001005B

HOW TO REPAIR THIS?
THANKS

PS:excuses for my poor english (i am french)