Hitachi PCB 0A71398 Failure

PCB failures (Such as Hitachi PCB 0A71398) 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 0A71398 failures are listed below, along with tips for replacing & repairing.

Hitachi PCB 0A71398 Failures:

Q: Bad/blown ROM chip on HTS545050B9A300 drive…

…and we can’t find a donor PCB with the same ROM version (C60F). We have many C64 and some C60Q, but no C60F. Does anyone know of a method to “trick” the drive into using a different version ROM? Or, does anyone happen to have a PCB (0A71398 DA2969) with C60F they’d be willing to sell or lend (for a fee)?. Thanks,. Brian

Q: Bad/blown ROM chip on HTS545050B9A300 drive…

…and we can’t find a donor PCB with the same ROM version (C60F). We have many C64X and some C60Q, but no C60F. Does anyone know of a method to “trick” the drive into using a different version ROM? Or, does anyone happen to have a PCB (0A71398 DA2969) with C60F they’d be willing to sell or lend (for a fee)?Thanks,Brian

Replacement Hitachi PCB 0A71398:

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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