Some psu's give a overvoltage when there is not enough load.
So when you only power a hdd on a psu for example, it can kill it.
There should always be enough load on the 12v to bring it down.
The hdd is starting its logic firstly and then try to start the spindle.
This causes no load on the 12v line and the psu highers the voltage.
So most times the servo ic for the spindle is then overvolted at the time it want to start and burns out.
This happened to me several times, i always use fan loads or cd drives on the 12v when i try to start with relative low components.

Oh I see. Hmm. Thats a pretty fatal flaw in PSU design, than again the components are quite old on it.
Its a shame this hard drive died, its like a boss.
I will do that from now on, thanks.

The resistor can be replaced though probably acted like a fuse.
What can you read on the resistor?

See if you can read anything 🤣 http://puu.sh/aLuwZ/89e6a30cd4.jpg

Oh man, I just throw two not-so-working ST157As that I purchased from a Bulgarian guy into waste basket this morning. He refunded them and does not want me to ship back. Maybe you could use some, if I read that message just a few hours ago..🙁

Its cool 😀 Thanks caring.
I will probably bump into another one sooner or latter.

I currently need to test two WD 93044.

I may have some of the same drives back home, let me check this evening for the resistance.

By accident I found another ST-157A-1 hard drive, with newer version of PCB but that part of it is exactly the same.
It is an capacitor, SMD type.

I will try to measure the capacity of it and replace the charred one.