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Wd caviar wd1600 not spinning up after pcb and u12 swap http://forum.hddguru.com/viewtopic.php?f=26&t=30094 |
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Author: | labtech [ December 5th, 2014, 13:50 ] |
Post subject: | Re: Wd caviar wd1600 not spinning up after pcb and u12 swap |
Use search function with keyword "preamp". |
Author: | fzabkar [ December 5th, 2014, 17:31 ] |
Post subject: | Re: Wd caviar wd1600 not spinning up after pcb and u12 swap |
Measure the resistances between each pair of motor terminals. |
Author: | Cribbyrhymes [ December 5th, 2014, 18:08 ] |
Post subject: | Re: Wd caviar wd1600 not spinning up after pcb and u12 swap |
thanks for the reply fzabkar. Sorry for being a complete noob, I can work a multimeter but where are the motor terminals? Would you be able to explain this in more detail for me. Thanks |
Author: | data-medics [ December 5th, 2014, 19:23 ] |
Post subject: | Re: Wd caviar wd1600 not spinning up after pcb and u12 swap |
Cribbyrhymes wrote: think I may be at the data recovery company stage I agree. I think what Fzabkar is saying is that the drive likely has internal issues, possibly heads stuck to the platters. |
Author: | thatdellguy [ December 5th, 2014, 19:51 ] |
Post subject: | Re: Wd caviar wd1600 not spinning up after pcb and u12 swap |
What you do to the drive at this current stage will determine its outcome. If you value your data send it to a professional. Whatever you do, don't open the drive. It will only make it worse and more expensive. |
Author: | fzabkar [ December 5th, 2014, 20:21 ] | ||
Post subject: | Re: Wd caviar wd1600 not spinning up after pcb and u12 swap | ||
Cribbyrhymes wrote: I can work a multimeter but where are the motor terminals? There are 4 pins connecting the motor to the PCB. The resistance between each pair of terminals on the motor (not on the PCB) should be of the order of 1 - 2 ohms. Code: Common o | | +-----+-----+ | | | | | | C| C| C| 1-2 ohms C| C| C| Spindle Motor windings C| C| C| | | | | | | o o o A B C If the motor is OK, then you may have a stiction fault. Head stiction video by Waqas Ali: http://www.mediafire.com/download/cvo59 ... k_head.zip Waqas Ali is a SalvationData trainer: http://www.alexsoft.org/viewtopic.php?f=88&t=622&p=1671 Of course he would normally perform the procedure in a cleanroom or clean chamber, and he would be wearing gloves.
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Author: | Cribbyrhymes [ December 8th, 2014, 18:34 ] |
Post subject: | Re: Wd caviar wd1600 not spinning up after pcb and u12 swap |
Ive measured the resistance across the motor terminals on the HDD with the following results 1-2 = .001 1-3 = .001 1-4 = .001 2-3 = .002 2-4 = .002 3-4 = .002 Does this mean that the motor is broken? |
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