Hitachi PCB 0A71428 Failure

PCB failures (Such as Hitachi PCB 0A71428) 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 0A71428 failures are listed below, along with tips for replacing & repairing.

Hitachi PCB 0A71428 Failures:

Q: Hitachi TravelStar 7K500-250 HTS725025A9A361 NVRAM

have a Hitachi Travelstar 25″ drive, [url] ldf4n6serveftpnet/images/IMG_1487JPG [/url] Model HTS725025A9A361 Made In Thialand P/N 0A73352 MLC DA3247 The top 2 lines of the PCB are ldf4n6serveftpnet/images/IMG_1488JPG 0A71428 DA3005A I ran diagnostics on the drive using an Atola I need a donar PCB and maybe a head stack replacement as well After some research it appears that many of the new Hitachi drives store adaptives and other information in the NVRAM stored

Q: Drive Needed – Hitachi TravelStar 7K500-250 HTS725025A9A361

Model: HTS725025A9A361 Made In: Thailand Date: Mar-2010 P/N: 0A73352 MLC: DA3247The top 2 lines of the PCB are: 0A71428 DA3005AI’m looking to purchase a donar drive.

Q: Firmware Required – HTS725050A9A364 DA3688

Dear Fellow Guru’s, Requesting firmware for: HTS725050A9A364 – 500GBPN: 0A78275MLC: DA3688PCB: 0A71428 DA3005CRegards.

Replacement Hitachi PCB 0A71428:

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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