PCB failures (Such as Hitachi PCB 0A90701) 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 0A90701 failures are listed below, along with tips for replacing & repairing.
Hitachi PCB 0A90701 Failures:
Q: QuestionFOUR of my 8TB Western Digital HDs just had their PCBs fry!
…?) is puzzling, but it suggests that the drive can be cloned.Edit:Here are the photo clips:www.users.on.net/~fzabkar/HDD/0A90701/Could you please use your good PCB to measure the indicated voltages at the V1, V2, etc test points, plus the unlabeled test points in the marked…
Q: QuestionFOUR of my 8TB Western Digital HDs just had their PCBs fry!
Thank you as always for the reply. I wasn't able to test my good board. I plugged it into the shucked enclosure's USB board. I plugged in the power and even the USB into my laptop. But no matter what I tested it all came back 0 on my Meterman 5XL. Let me know if I did something wrong. As for…
Replacement Hitachi PCB 0A90701:
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:
- WD WD100EZAZ PCB Board 006-0A90701
- WD WD80EMAZ PCB Board 006-0A90701
- WD WD80EZAZ PCB Board 006-0A90701
- Western Digital PCB Board 006-0A90701
If you have any questions, please feel free to contact us: sales@harddriveparts.com