Need to fix dead PCB on Seagate (ST3400832A 3.02 05397 AMX)

[Ajay]

I need a replacement PCB for this drive or a way to fix it. The PCB is fried and I have had no luck finding a compatible match. I have found a drive with the same model number, but the firmware and build date where too far off, so the drive was not recovered.

It looks like the circled object is the TVS. Hopefully I can just remove it or swap it with a working TVS from my not-like-enough seagate drive.

Another damaged component (not in the picture) is one of the smaller "GR3" components. Hopefully I can resolder a working version of that component in place and all will be okay.

I have never done anything on this scale before. If anyone has any suggestions please let me know!

Thanks





If anyone knows how I could contact seagate support for a replacement PCB or drive that is compatible for part swapping, let me know!

[wiseleo]

I actually have that exact drive from Singapore with this exact firmware. It's a 300GB version. Not sure if I want to give it up though.

Ah, nevermind. It's an ST chip and a SATA board.

Build date 05327.

On the other hand... I have an Agere board (also SATA and FW is 3.03 on that one from China) as well so I can at least have a look at what you posted.

It's a 3R3 component.

By the way, I am having rotten luck with drives from that batch (specifically the FW 3.03 site code WU (China)). Cause of failure tends to be overheating. Even if you do recover it, please don't count on it lasting long. I don't use them in production, so it doesn't matter to me.

Seagate won't help you. Well, they'll refer you to i365, which is a Seagate company... A DR company usually has a large stack of PCBs from all the previous drives recovered. You are welcome to try your luck by posting this request in the marketplace section of this forum. Thank you for taking clear and high resolution pictures. That certainly makes our life easier.

Speaking of fun... since I have both an Agere and an ST controller card, I'll see if they can be interchanged, this weekend, provided ROM is re-written.

[cryoborgofthevenus]

@ wiseleo : your drive is from Singapore manufacturing plant ? Do you mean Site code : AMK ?

[wiseleo]

Cryo - yep. Site code AMK.

It's one of my lab rats for the 7200.8 series. I bought a bunch of those drives because I see them often enough and the price was nice.

[cryoborgofthevenus]

How nice ? I'm interested to buy one if you don't mind

[Ajay]

If anyone thinks that they have a PCB that might work for me, please private message me, as I would be VERY interested!

If you are not willing to let it go, I would be interested in renting it at the very least.

Thanks

[jono-ats]

Just replace the two parts -- you'll probably be fine.

[guru]

yep AMK (Ang Mo Kio) is From Singapore.. WU (WUXI) China Just forfuture ref

[jay2801]

chances are if you swap the 2 components you're drive should come back to a working state

[HDD_MASTER]

Try screwing the PCB to the drive!

[Ajay]

Here is a high res image of my PCB if anyone cares to take a further look.

The image is 7MB, so I have it hosted here.
http://www.megaupload.com/?d=SBSSPEX0