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 Post subject: Re: 3.5" Toshiba's
PostPosted: November 23rd, 2019, 14:31 
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Joined: September 8th, 2009, 18:21
Posts: 12420
Location: Australia
Remove D703. Hopefully that's the only problem.

Measure the resistance between the diode's pads in-circuit. Also test the fuse ("4").

If you want to minimise your risks, replace the PCB and transfer the serial flash memories. Be careful, as you must not damage them.

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 Post subject: Re: 3.5" Toshiba's
PostPosted: November 24th, 2019, 13:01 
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Joined: November 23rd, 2019, 13:54
Posts: 2
Location: Deutschland
Hello fzabkar,

you're amazing. Removing the diode D703 fixed the HDD. Thank you so much!
First I was worried removing the diode, because in an earlier post it was mentioned that this diode isn't a TVS. So I was not sure if I was allowed to simply remove it.

Note:
I also measured fuse "4" and it was still working. The diode's pads in-circuit showed the same results, as measuring directly on the components.


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