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Maxtor Diamondmax 10 model 6V080E0 SATA II 80gb - no spin

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First post, by kotel

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Hi

While back I got this Maxtor Diamondmax 10 6V080E0 80gb SATA II drive. Replaced the missing caps and one resistor which I believe is R508 (used the same resistance as R302). After that there wasn't any life out of it. I can hear the PSU having more load, but that's about it. Both of the protection diodes are okay. Noticed that on the 3.3v pad on PCB (near L503) is showing only around 1 volt. There's also an 0 ohm resistor labeled r531. Not sure if its broken or mean to be that way... Tried cleaning the head pads with contact cleaner and magic eraser but that also didn't work.
I am quite stumped at what might be the issue here. Any ideas what might be cause for this behavior?

"Sent on a mission, to protect the last treasures. Through struggle and strife we can see the light. Even if our mission is partially complete, Our efforts are not in vain.
Let that be our legacy."
-Stronghold 5-5

Reply 1 of 5, by kotel

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Spotted that another resistor had shorted itself near the motor controller. Replaced it with an 100 ohm (same resistance as the one near it) and also the r531 with an 100 ohm too. But still, no life. Any ideas what might be the issue here?

"Sent on a mission, to protect the last treasures. Through struggle and strife we can see the light. Even if our mission is partially complete, Our efforts are not in vain.
Let that be our legacy."
-Stronghold 5-5

Reply 2 of 5, by Horun

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Sorry no idea. Looks like it blew up from a power surge or bad PSU. The ic's could be burned up too, no way to tell. Probably easiest thing would get another one.... not that expensive. I see one for $18 with free shipping..
Have a 80GB DiamondMax Plus 9 ATA/133 that also does not spin up, it might be worth trying to repair but my guess is frozen bearings/stuck heads.....they go for 4x+ what the SATA 80Gb ones go for...

Hate posting a reply and then have to edit it because it made no sense 😁 First computer was an IBM 3270 workstation with CGA monitor. Stuff: https://archive.org/details/@horun

Reply 3 of 5, by kotel

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As of 12.18.24 I still couldn't fix this PCB. There are some voltage lines missing, but that's about it.

"Sent on a mission, to protect the last treasures. Through struggle and strife we can see the light. Even if our mission is partially complete, Our efforts are not in vain.
Let that be our legacy."
-Stronghold 5-5

Reply 4 of 5, by darry

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I believe that these are from just before the timeframe when fluid bearing started becoming common in drives.

Fluid bearings in drives are a thing of beauty, IMHO, as they avoid (or at least delay) the slow metamorphosis of a drive into an angle grinder sound simulator and they seem to help with reliability as well.

It might be worth considering something slightly newer with fluid bearings, unless the objective is repairing the drive for entertainment/educational value, which is a fine objective, don't get me wrong.

Reply 5 of 5, by kotel

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Okay so for fun I have replaced the PCB with an 18gb IDE model from maxtor. It does spin up, but the heads click the same as on that IDE drive so this points to damage on the PCB itself (IDE model). So now I know I could go ahead and repair the PCB from diamondmax.

"Sent on a mission, to protect the last treasures. Through struggle and strife we can see the light. Even if our mission is partially complete, Our efforts are not in vain.
Let that be our legacy."
-Stronghold 5-5

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