GoKart, on 13 August 2010 - 08:35 PM, said:
Which means TWO of them....
GoKart, on 13 August 2010 - 08:35 PM, said:
1. Does the BSY firmware code bug problem result in lock up automatically (shut down) of the hdd drive motor AND power supply intake into the powered caddy, so caddy indicator lights and cooling fan non-op?
NO.
http://homepages.tes...no-answers.html
GoKart, on 13 August 2010 - 08:35 PM, said:
2. If the drive motor is burnt out and unserviceable, can the recording medium be removed and reinstalled inside another HDD unit with working HDD drive and optical reader?
YES.
http://homepages.tes...no-answers.html
GoKart, on 13 August 2010 - 08:35 PM, said:
thank you from a non-technical GoKart (billy cart)
You are welcome.
Notwithstanding that you obviously missed the read-me-first:
http://www.msfn.org/...-read-me-first/
whaere you would have learned how your problem is pretty much
a non-target 
and thus should have NOT been posted here, we are good guys after all.
From what you write you have probably had a problem somewhere (can be BOTH on the hard disk AND on the actual power supply) that blowed a TVS.
A TVS is a sort of protection diode (there are normally two of them on modern hard disks, one on the 5V and one on the 12 V rail) that, in case of problems shorts to ground to prevent (in theory) further damage.
In reality if this has happened, STOP moving the hard disk here and there, some power supplies have a protection that simply shuts them off if a short is found, some will simply blow silently.
The drive needs to be checked thoroughfully from an electrical/electronic view point
before ANY further step can be taken.
Before you ask, NO, a PCB SWAP
won't work (without a procedure outside of your reach) and it is possible that will also damage the donour PCB.
It is technically possible to:
- open the hard disk
- remove the platters from it
- re-assemple the platters on another identical hard disk
- recover the data
BUT it is
NOT anything you can do at home

as you would need tools and expecially experience that you simply cannot have (otherwise you won't be here asking about it).
If the disk drive contains important data you may want to fork from a relatively huge amount of bucks and have a specialized recovery firm look at it. (only you can judge the value of that data but we are talking of several hundred dollars, probably in the $600÷1,000 range)
If the idea is to just recover a functional drive,
forget about it, if the problem can be repaired without opening the hard disk, like replacing the TVS or fixing a cold solder, it would be allright, but a drive with exchanged platters is to be considered functional (hopefully ) only for the sheer time needed to get the data out of it, and should be thrown in the bin immediately after the recovery.
PLEASE, remove from your previous post the integral quote of Gradius' initial post, it only contributes to make this thread less readable.
jaclaz