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Toshiba Q300 120gb

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DRUG

Post subject: Toshiba Q300 120gb

Posted: March 22nd, 2016, 7:29

Joined: April 22nd, 2015, 20:32
Posts: 413
Location: Portugal

This disk is one week old, doesn't power up. Where should i check for fails?

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14586461605061655222683.jpg [ 2.78 MiB | Viewed 5484 times ]

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barryware

Post subject: Re: Toshiba Q300 120gb

Posted: March 22nd, 2016, 10:43

Joined: February 15th, 2009, 16:02
Posts: 19
Location: Near Chicago

Looks like F1 is missing.. May have fallen off?

Sure looks like the space was populated to me.. Empty pads will not look like that after tinning / reflowing..

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DRUG

Post subject: Re: Toshiba Q300 120gb

Posted: March 22nd, 2016, 12:50

Joined: April 22nd, 2015, 20:32
Posts: 413
Location: Portugal

barryware wrote:

Looks like F1 is missing.. May have fallen off?

Sure looks like the space was populated to me.. Empty pads will not look like that after tinning / reflowing..

Hey, I took it out of the enclosure (with void seal) and the F1 was already looking like this :s

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fzabkar

Post subject: Re: Toshiba Q300 120gb

Posted: March 22nd, 2016, 13:13

Joined: September 8th, 2009, 18:21
Posts: 15538
Location: Australia

barryware wrote:

Looks like F1 is missing.. May have fallen off?

Sure looks like the space was populated to me.. Empty pads will not look like that after tinning / reflowing..

It looks odd, but it's normal. U30 is an e-fuse, and D2 is reserved for a TVS diode. The circuit can use either an e-fuse or a regular fuse plus a TVS diode.

See https://forum.hddguru.com/viewtopic.php?f=10&t=32997

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