Hitachi PCB 0A58730 Failure

PCB failures (Such as Hitachi PCB 0A58730) affect thousands of hard drives every year and often result in permanent data loss. A hard drive may suddenly fail to power on, and a computer may not detect that it is plugged in. Some failed hard drives will also show up in computer BIOS with incorrect brand/model information. PCB failures can also cause physical issues such as read/write head failures, and many PCB failure symptoms overlap with the symptoms of other physical hard drive issues.

Some emails from customers of Hitachi PCB 0A58730 failures are listed below, along with tips for replacing & repairing.

Hitachi PCB 0A58730 Failures:

Q: HDT721010SLA360 PCB – yes that bloody thing again!

Hello all, first time on here and you’ll be able to guess why I found you. I have a dead heard drive. Its an Hitachi HDT721010SLA360 drive that came in a LaCie box. I mistakenly connected it is a different power supply and low and behold it died. That was a few months ago and through a lot of searching the web I came across this website. I eventually found an identical drive (a few months younger, but everything was the same) and bought it. I transferred the PCB and the old drive fired up. All well and good, except it didn’t mount. I then tried to remove the 5V diode as instructed on another post on this forum. That though hasn’t worked. So I have a good PCB and a bad one. Am I right in assuming I need to remove one of the chips from the original PCB to run the new board on the harddrive?I’m ok with swapping boards etc, but I don’t rate myself at soldering. If I bought a new PCB would I still have the same issue in that I’d need to swap the chip?Or could I send both boards somewhere and someone could replace them?I’m based in the UK so sending overseas is not an issue.Thanks for any help guys.Gavin_________________Photographer with a tinkering nature

Replacement Hitachi PCB 0A58730:

To repair a failure board, the simple way is swapping the failure board with a replacement board. Donor boards on HardDriveParts.com are listed below:

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