PCB 100475720

Barracuda 7200.11 PCB 100475720 Circuit Board

Barracuda ES 2 Bussy problem
I have his hard drive Barracuda ES2 ST3250310NS
PCB (ZKAJ-7) PCB 100475720REV A
hard drive spin up may remain bussy
I tried 2 solutions:
1.isolating spindle motor controller
2.short check point to PCB
But not have succes
At the terminal not responding “Reply time out” and motor not spin up
In the PC 3k Udma appear
Model: ST_M13FQBL
Serial: QNR_BFW
Firmware: 11291209
Capacity: 3.86 Gb
The drive have HP firmware
Can you please help

Cerco controller o intero drive:
SEAGATE BARRACUDA ES.2
250 GB
ST3250310NS
Firmware: SN04
Controller
PCB 100475720 rev. a
Main chip
LSI TTB5501D

Buy this pcb online: 100475720

Buy this pcb online: 100475720 TTB5501D