Re: Replacing IC on WD board
May 5th, 2016, 11:56
fsnsengel wrote:Do you think will work?
If problem is only PCB then yes, but need to rebuild/transfer the ROM
Re: Replacing IC on WD board
May 5th, 2016, 12:20
It may work without rebuilding/transferring ROM but it's unlikely it will work.
If the replacement PCB has the same ROM version it will work. This means you need to find a PCB from an exact model hard drive made within a few days or weeks of your failed hard drive to have the best chance. It still may not work. The problem is the ROM and ROM modules are programmed to the MCU on your particular PCB and there is not an easy way to move that chip. Like others have said, It will be easier to program a new PCB via the use of a PC-3000. I don't know of a lab that will do that for free.
If the replacement PCB has the same ROM version it will work. This means you need to find a PCB from an exact model hard drive made within a few days or weeks of your failed hard drive to have the best chance. It still may not work. The problem is the ROM and ROM modules are programmed to the MCU on your particular PCB and there is not an easy way to move that chip. Like others have said, It will be easier to program a new PCB via the use of a PC-3000. I don't know of a lab that will do that for free.
Re: Replacing IC on WD board
May 5th, 2016, 16:42
Measure the Vio, Vcore and Vneg voltages. Use a screw hole or SATA Ground as your 0V reference.
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