My Wd desktop hard disk is not spinning, no power.

[pvprashant1803]

This level of corrosion is not normal. That should be a nice clean copper ground pad.

not_normal.PNG

I understand your point. But it may be due to moisture. And this is carbon layer on it. Also it is far away from motor controller IC. When I unscrewed the pcb, there was no single drop of any liquid.

[pvprashant1803]

Is there anyone who found the solution to repair this??

[fzabkar]

You can try to read the flash ROM. If that succeeds, then that will prove that the MCU is not brain dead.

It's a very long thread, but there are two methods to read the ROM:

http://www.hddoracle.com/viewtopic.php?f=3&t=1983

[pvprashant1803]

can i use 2060 701590 001 pcb in replace of 2060 771640 003 pcb

[Tomset]

pvprashant1803,
No,
CPU different.